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Class Number: 210 Class Title: LIQUID PURIFICATION OR SEPARATION Subclass Subclass Number Title 600 PROCESSES 601 .Treatment by living organism 602 ..Including plant or animal of higher order 603 ..Including collecting or storing gas (e.g., fuel, carbon monoxide, etc.) 604 ...And reusing oxidant 605 ..Anaerobically, with subsequently aerobically treating liquid 606 ..Adding enzyme or releasing same by treating microorganism 607 ..Dividing, treating, and recombining liquid 608 ..Regulating floating constituent 609 ..Including dewatering sludge 610 ..Including adding ancillary growth medium for microorganism 611 ...For or with specific microorganism 612 ..And regulating temperature during biological step 613 ...Digesting sludge 614 ..Controlling process in response to stream constituent or reactant concentration 615 ..Utilizing contact surfaces supporting microorganism (e.g., trickling filter, etc.) 616 ...Particulate media 617 ....In bed form 618 .....And rehabilitating or regenerating same 619 ...Rotating contactor 620 ..Aerobic treatment 621 ...Recirculating to prior step 622 ....Of separated liquid 623 ....Of sludge or separated solid 624 .....And returning to or withdrawing from diverse treating zones 625 .....Treating outside mainstream 626 .....To mainstream oxygenation (e.g., activated sludge, etc.) 627 ......Utilizing specific oxidant, other than air alone (e.g., oxygen-enriched air, ozone, peroxide, etc.) 628 ......Utilizing mechanical aeration means 629 ...And internally circulating the liquid 630 ...And anaerobic treatment 631 ..And additional treating agent other than mere mechanical manipulation (e.g., chemical, sorption, etc.) 632 .Treating by enzyme 633 .Extracting utilizing solid solute 634 .Liquid/liquid solvent or colloidal extraction or diffusing or passing through septum selective as to material of a component of liquid; such diffusing or passing being effected by other than only an ion exchange or sorption process 635 ..Liquid/liquid or gel type (i.e., jellylike) chromatography 636 ..Including cleaning or sterilizing of apparatus 637 ..Including regulating pressure to control constituent gradient at membrane or to prevent rupture of membrane 638 ..Including ion exchange or other chemical reaction 639 ..Including prior use of additive (e.g., changing pH, etc.) 640 ..Passing through membrane in vapor phase 641 ..Utilizing plural diverse membraness 642 ..Extracting water from brine utilizing liquid/liquid solvent or colloidal extraction 643 ..Utilizing liquid membrane (e.g., emulsion) in liquid/liquid solvent or colloidal extraction 644 ..Diffusing or passing through septum selective as to material of a component in liquid/liquid solvent or colloidal extraction 645 ...Biological fluid (e.g., blood, urine, etc.) 646 ....Hemodialysis 647 .....Maintaining critical concentration(s) 648 ...Including regenerating or rehabilitating the extracting liquid in liquid/liquid solvent or colloidal extraction 649 ..Diffusing or passing through septum selective as to material of a component of liquid 650 ...Filtering through membrane (e.g., ultrafiltration) 651 ....Removing specified material 652 ....Hyperfiltration (e.g., reverse osmosis, etc.) 653 .....Utilizing specified membrane material 654 ......Synthetic resin 655 ......Cellulosic 656 .Chromatography 657 ..Utilizing rotating column 658 ..Utilizing paper or thin layer plate 659 ..Including liquid flow diversion 660 .Ion exchange or selective sorption 661 ..By passing through suspended bed 662 ..And liquid testing or volume measuring 663 ..Including diverse separating or treating of liquid 664 ...By distilling or degassing 665 ...By making an insoluble substance or accreting suspended constituents 666 ....Utilizing organic agent 667 ....Utilizing aluminum, calcium, or iron containing agent 668 ...By chemically modifying or inhibiting dispersed constituent 669 ...Prior to ion exchange or sorption 670 ..Including rehabilitating or regenerating exchange material or sorbent 671 ...Of oil sorbent material 672 ...Fractional, selective, or partial type 673 ...Utilizing gas, water, or chemical oxidizing or reducing agent 674 ...Utilizing organic regenerant 675 ...Rehabilitating or regenerating in diverse zone or chamber 676 ....Continuous cyclic process 677 ...Using conserved or recirculated fluid 678 ...Including liquid flow direction change 679 ..Utilizing exchange or sorbent material associated with inert material 680 ...Including oil sorbent 681 ..Removing ions 682 ...Radioactive 683 ...Anions 684 ....Metal complexed (e.g., chromate, ferricyanide, chlorplatinate, etc.) 685 ....Including cation 686 .....Utilizing mixed bed or amphoteric material 687 ...Calcium or magnesium (e.g., hardness, water softening, etc.) 688 ...Heavy metall 689 ..Sorbing water from diverse liquid 690 ..Sorbing organic constituent 691 ...From aqueous material 692 ....Utilizing synthetic resin 693 .....Oil removed 694 ....Utilizing activated carbon 695 .Using magnetic force 696 .Preventing, decreasing, or delaying precipitation, coagulation or flocculation 697 ..Utilizing inorganic phosphorus agent 698 ..Utilizing organic agent 699 ...Phosphorus containing 700 ....Nitrogen containing 701 ...Acrylic polymer 702 .Making an insoluble substance or accreting suspended constituents 703 ..Effecting flotation 704 ...Including chemical addition (with or without bouyancy gas) 705 ....Chemically specified precipitant, coagulant, or flocculant 706 .....And significant characteristic of the bouyancy gas, other than mere addition of same 707 ......Generating gas in situ 708 ..Including emulsion breaking 709 ..Controlling process in response to stream condition 710 ..Treating the insoluble substance 711 ...For recovery of a treating agent 712 ..Including recycling 713 ...Of separated solids 714 ..Seeding 715 ...Utilizing sludge or floc blanket 716 ..Including step of manufacturing inorganic treating agent 717 ...In situ 718 ..Including degassing 719 ..Including chemical reduction 720 ...Of chromium material 721 ..Including oxidation 722 ...Of iron or manganese material 723 ..Utilizing precipitant, flocculant, or coagulant, each with accelerator or with each other or plural precipitants, flocculants, or coagulants 724 ...Regulating pH 725 ....Utilizing organic precipitant 726 ...Sequential introduction 727 ....Including organic agent 728 ...Including organic agent 729 ..Utilizing organic precipitant 730 ...From natural source or chemical modification thereof 731 ....Starch 732 ...Synthetic polymer 733 ....Acrylic 734 .....Nitrogen containing (e.g., amine, azo, etc.) 735 ....Nitrogen containing (e.g., amine, azo, etc.) 736 .....Derived from alkyl halide or epihalophydrin reactant 737 ..Including temperature change 738 ..Including agitation 739 .Including controlling process in response to a sensed condition 740 ..Density or specific gravity sensingg 741 ..Pressure sensing 742 ..Temperature sensing 743 ..pH sensing 744 ..Level sensing 745 ..Turbidity or optically sensing 746 ..Electrical property sensing 747 .Including geographic feature 748 .Utilizing electrical or wave energy (directly applied to liquid or material being treated) 749 .Chemical treatment 750 ..Including degassing 751 ..For disposal as a solid product 752 ..Plural spaced feedings 753 ..Utilizing halogen or halogen containing material 754 ...Chlorine or bromine containing 755 ....Organic 756 ....Hypochlorite 757 ..By chemical reduction 758 ..By oxidation 759 ...Utilizing peroxy compound (e.g., hydrogen peroxide, peracid, etc.) 760 ...Utilizing ozone 761 ...Liquid phase high temperature and pressure (e.g., "wet air", etc.) 762 ....Catalytic 763 ...Catalytic 764 ..Destroying microorganisms 765 ..Including liquid recirculation 766 ..Including temperature change 767 .Separating 768 ..Including treating separated solids 769 ...Destroying cake or solid component 770 ...Including drying (e.g., by squeezing or heating, etc.) 771 ....By gas contact 772 ...Washing with a fluid other than the prefilt 773 ..Including preliminary conversion to liquid state 774 ..Including temperature change 775 ...Thermal diffusion 776 ..Skimming 777 ..Including precoating filter medium with filter aid 778 ...With or by addition to prefilt 779 ..Discharging residue to prefilt 780 ..Including movement of filter during filtration 781 ...Centrifugally extracting 782 ....Blood 783 ...Rotating belt 784 ...Rotating drum 785 ...Cleaning filter utilizing wave energy (e.g., vibrating, pulsating, etc.) 786 ...Of particulate bed (e.g., fluidized or moving bed, etc.) 787 ..Cyclonic, or centrifugal (e.g., whirling or helical motion or by vortex, etc.) 788 ...Introducing liquid tangentially 789 ...Isolating layer 790 ..Dividing and recombining 791 ..Rehabilitating or regenerating filter medium 792 ...Particulate bed 793 ....Reverse floww 794 .....Including addition of diverse fluid 795 ......Expanded bed 796 ....Includng mechanical agitation 797 ...By diverse fluid 798 ....Reverse flow 799 ..Filtering immiscible liquids 800 ..Utilizing gravitational force 801 ...Including change of mainstream flow direction 802 ....Utilizing parallel separation passages 803 ...Including specified feature of settled solids removal 804 ...And additional diverse separation 805 ..And recirculating liquid 806 ..Plural separating 807 ..Utilizing particulate bed 808 ..Including specified pressure change 85 WITH ALARM, INDICATOR, REGISTER, RECORDER, SIGNAL OR INSPECTION MEANS 86 .Material level or thickness responsive 87 .Responsive to fluid flow 88 ..Meter-controlled cyclic systems 89 ...With time control 90 .Fluid pressure responsive 91 .Position or extent of motion 92 .Test valve 93 .In effluent conduit 94 .Transparent 95 ..Sight glass 96.1 CONSTITUENT MIXTURE VARIATION RESPONSIVE 96.2 .With membrane 97 FLOW, FLUID PRESSURE OR MATERIAL LEVEL, RESPONSIVE 98 .Fluid current controlled cyclic system 99 .Prefilt deverting to drain by prefilt accumulation 100 .Flow cut-off requiring reset 101 .Proportionate feed means 102 .Programming plural units 103 .Diverse sensing means 104 ..Responsive to material level 105 ..With control for auxiliary liquid inlet 106 .Filter cleaning 107 ..Rotary movement of filter or mechanical cleaner 108 ..Backwash or blowback 109 .Discharge of treated material 110 ..With separator inlet control 111 ..Responsive to prefilt accumulation or filter clogging 112 ..Heavier constituent 113 ...By weight of solids 114 ...By treated liquid accumulation 115 ...With lighter constituent outlet control 116 ..Permitted by filtrate accumulation 117 ..Check valve controlled 118 ...Non-closing, e.g., sand valve 119 ...Float type 120 .Vent control 121 .Float 122 ..Controls movable separator 123 ..Controls valve 124 ...Controls flow between two separators 125 ...Separator between float and valvee 126 ...Float in separate rehabilitating fluid tank 127 ...Additional fluid inlet control 128 ...Float in receptacle other than that of separator 129 ....In flow between inlet and separator 130 .Fluid pressure responsive by-pass 131 ..By movement of separation medium 132 ..With additional separation or treating means 133 ..In inlet and outlet closure header 134 .Plural elements controlled 135 ..Including manually controlled element 136 .Check valve 137 .Maintaining stream pressure or flow 138 WITH TIME CONTROL 139 .Of additional fluid 140 ..Preparation for treating operation 141 WITH PROGRAM ACTUATOR 142 .Plural treating units or sections sequentially controlled 143 AUTOMATIC CONTROL 144 .Responsive to vibration or unbalance 145 .Responsive to rotation 146 ..Controlled cover latch 147 ..Controlled discharge means 148 .Container movement operated 149 .Thermal 150 WITH GAS-LIQUID SURFACE CONTACT MEANS 151 .With separator 153 STRUCTURAL INSTALLATION 154 .Flume stream type 155 ..Plural or diverse screens 156 ..Fluid stream or residue operated 157 ...Revolving cylindrical strainer 158 ..With cleaner for movable strainer 159 ..With cleaner and means to remove residue therefrom 160 ..Endless belt strainer 161 ..Revolving strainer 162 ..Fixed strainer 163 .Grated inlet surface drain 164 ..Flat grating at surface level 165 ...With subsurface weep means 166 ..Concentric guard ring or rib 167 .Closed circulating systems 168 ..Lubrication 169 ..Aquarium or swimming pool 170 .Geographic 171 .Machinery 172 .Ancillary to storage tank 173 COMMINUTING 174 .Cylindrical strainer 175 WITH HEATER OR HEAT EXCHANGER 176 .Thermal diffusion 177 .With treating fluid addition 178 ..With mechanical agitator or movable separator 179 .With mechanical agitator or movable separator 180 .Vapor or gas removal 181 .Flow line connected in series with distinct separator 182 .Diverse separators 183 ..Common casing coaxial with heater 184 .For filterr 185 ..Imbedded or between filter media 186 ..External of casing 187 .Within gravitational separator 188 WITH GAS SEPARATOR 189 PLURAL CHAMBERS WITH MOVEMENT OF GRANULES THEREBETWEEN 190 WITH EXTERNAL SUPPLY MEANS FOR REGENERATING MEDIUM, E.G., WATER SOFTENING SYSTEM 191 .With pump, injector or siphon 192 WITH PRELIMINARY CHEMICAL MANUFACTURE 193 WITH PRECOAT ADDING OR APPLYING MEANS 194 RECIRCULATION 195.1 .Serially connected distinct treating or storage units 195.2 ..With semipermeable membrane, e.g., dialyzer, etc. 195.3 ..With sediment recycle means directly to main stream 195.4 ...Means is baffle slot 196 .Of filtrate 197 .From bottom of separator 198.1 WITH MEANS TO ADD TREATING MATERIAL 198.2 .Chromatography 198.3 ..Thin layer, e.g., plate, etc. 199 .Spaced along flow path 200 .Plural distinct separators 201 ..Serially connected 202 ...Diverse type 203 ..Filters 204 ...Sectional chamber press type 205 .With distinct reactor tank, trough or compartment 206 ..Chemical holder in series with separator 207 ..Within gravitational separator 208 ...With mechanical agitator 209 .Directly applied to separator 210 ..To interior of moving filter, e.g., drum 211 ...Through separator supporting rotary shaft 212 ...With stationary casing closure feature 213 ...With coaxial rotary impeller or distributor 214 ...With stationary mount for movable distributor 215 ...With effluent dividing means 216 ..Moving filter medium 217 ...Drum 218 ..Gas removed from closed tank 219 ..With mechanical agitator 220 ..Submerged fluid inlet 221.1 ...With outlet at surface, e.g., froth flotation, etc. 221.2 ....And gas injecting means other than by mechanical agitation 222 MAGNETIC 223 .With additional separator 224 SECTIONAL CHAMBER PRESS TYPE 225 .With residue removal or liquid agitation 226 .With porous filler 227 .Medium clamped in joint 228 ..With spacing frame 229 ..Imperforate base recess in plate 230 .With repair or assembling means 231 .Plates or frames 232 WITH REPAIR OR ASSEMBLING MEANS 233 .Piercing or closure knock out means 234 .Removable treatment part with normally disabled floww controller 235 .Placement of container opens flow controller 236 .Sliding or rolling on guide means 237 .Hoist or handle means 238 ..Hand manipulable 239 CONVERTIBLE 240 .Filter having selectively usable flow connector means 241 WITH MOVABLE SUPPORT 242.1 .Float 242.2 ..With aerating means 242.3 ..With oil water skimmer 242.4 ..With oil water sorption means 243 ELECTRICAL INSULATING OR ELECTRICITY DISCHARGING 244 PORTABLE RECEPTACLE WITH HOOD OR CLOSURE 245 .Attached variable flow controller 246 .Limited opening cover 247 FILTRATE SPLASH PLATE AND/OR DEFLECTOR 248 WITH DRIP, OVERFLOW OR CONTENT DRAINING FEATURE 249 BRACKET OR LEG SUPPORT FOR STATIC SEPARATOR ASSEMBLY 250 .Leg 251 COMBINED 252 SERIALLY CONNECTED DISTINCT TREATING WITH OR WITHOUT STORAGE UNITS 253 .Parallel 254 .With by-pass 255 .Cascade 256 .One unit inside another 257.1 .With storage unit 257.2 ..Having membrane 258 .With pump, gas pressure or vacuum source 259 .Diverse 260 ..Including multiple operation unit 261 ..One unit supports another 262 ..On different levels 263 PARTICULATE MATERIAL TYPE SEPARATOR, E.G., ION EXCHANGE OR SAND BED 264 .Selective units or compartments 265 .With gravitational separator 266 .With spaced non-particulate separating means 267 .Trunnion mounted casing 268 .Gravity flow of particles type 269 .With rehabilitation means 270 ..Movable means for particle pickup and redeposit 271 ..Surface traversing type 272 ...Rotating on stationary axis 273 ...Moving fluid distributor 274 ..Including means to apply gas to bed 275 ..Backwash or blowback means 276 ...With mechanical agitator or residue remover 277 ...Flow controller external of closed casing 278 ....Multi-way valve unit 279 ...With embedded fluid distributor 280 ..With agitator 281 ..With access opening to normally closed casing 282 .Removable cartridge or hand-manipulated container 283 .Pervious divider between and contacting beds 284 .Spaced beds 285 .Embedded bafflee 286 ..Vertical 287 .Within flow line or flow line connected closed casing 288 ..Conduit through bed, inlet and outlet at same end of casing 289 ..With particular liquid receiving means or foraminous bed retainer 290 .With multi-layer beds 291 .Particular liquid receiving means or foraminous bed retainer 292 ..Hood or top protector type 293 ..Floor type, e.g., false bottom 294 DIVERSE DISTINCT SEPARATORS 295 .Including a filter 296 ..Including liquid as a separating medium 297 ..Moving filter medium 298 ..With mechanical residue or sediment mover 299 ..Including constituent trapping feature 300 ...Alternate filters and traps in series 301 ....Plural traps 302 ...Flow-line valve upstream of separator 303 ...Cut-off sediment trap 304 ...Tangential flow, spiral or convolute baffle 305 ...Baffle preceding or within sediment trap 306 ....Deflecting prefilt from filter medium 307 ...Downstream of filter medium 308 ...Directly communicating with tubular filter interior 309 ....Attached to filter element 310 ...Lateral trap 311 ...Downflow inlet, upflow through filter medium 312 ...Sediment discharge means 313 ....Valve controlled 314 ..Spaced filters 315 ...One within another 316 ...One adjacent inlet or outlet conduit 317 ...Including non-self-supporting medium 318 ...Incompatible shapes 319 .With agitator 320 .With baffle perpendicular to flow direction 321.6 CASING DIVIDED BY MEMBRANE INTO SECTIONS HAVING INLET(S) AND/OR OUTLET(S) 321.61 .Membrane secured with adhesive of specified composition 321.62 .Antithrombogenic membrane 321.63 .Rotating mechanical agitator adjacent membrane 321.64 .Plural diverse structured membranes within a single casing 321.65 .Permeated liquid quantity measurement or control 321.66 .Energy recovery from treated liquid 321.67 .Membrane movement during purification 321.68 ..Nontranslatory rotary 321.69 .With membrane cleaning or sterlizing means (other than by filter movement or rotating agitator) 321.7 ..Solid cleaning material (e.g., balls) 321.71 .Dialyzer with dialysate proportioning means 321.72 .Each section having inlet(s) and outlet(s) 321.73 ..Noncoiled nonannular cross section tube 321.74 ..Coiled membrane 321.75 ..Planar membrane 321.76 ...Spiral flow 321.77 ..Pleated membrane 321.78 ..Cylindrical membranee 321.79 ...Plural cylindrical membranes all connected for parallel flow 321.8 ....All cylindrical membranes are parallel 321.81 .....With embedded baffle 321.82 .Noncoiled nonannular cross section tube 321.83 .Coiled membrane 321.84 .Planar membrane 321.85 ..Spiral flow 321.86 .Pleated membrane 321.87 .Cylindrical membrane 321.88 ..Plural cylindrical membranes all connected for parallel flow 321.89 ...All cylindrical membranes are parallel 321.9 ....With embedded baffle 322 PLURAL DISTINCT SEPARATORS 323.1 .Filters 323.2 ..Tubular 324 ..Movable separating elements 325 ...Planetary 326 ...Drum type on parallel axis 327 ...Plural cleaners and plural movable elements 328 ...Pivotally mounted sections 329 ...Relatively movable 330 ...Connected for group operation 331 ....Spaced filter wall type, e.g., multiple hollow leaves 332 ..With residue removal or liquid agitation 333.01 ...Backwash or blowback 333.1 ....Sequential backwash 334 ...Alternating filter and residue remover 335 ..In series for prefilt flow 336 ...Tortuous path 337 ...Nested units 338 ....Concentric filter elements 339 ...Internal flange supporting filter element 340 ..Parallel filters with flow controller 341 ...Individually controlled for removal with common receiver 342 ..One element within another 343 ..Alternating oppositely opening liquid distributors 344 ..Abutted alternating medium and pan type receiver 345 ..Radial or radially connected to central header 346 ..Spaced wall-type filters 347 ...Central header 348 FILTER 349 .Pulsation dampener or gas trapping 350 .With movable means to compress medium 351 ..Actuating means external of closed casing 352 ..Internal spring 353 .Free cleaning means, e.g., loose abrading particles 354 .Medium, cleaner or agitator moved by fluid 355 ..Cleaner 356 ..Medium flexed 357 .Relatively movable members interleaved for cleaning 358 .Imperforate drum, medium on arc, chord or end 359 .Movable medium 360.1 ..Centrifugal extractor 360.2 ...With inward flow of feed component 361 ...With individual article container or support 362 ....Container or support reversiblee 363 ...With adjustable rotation stabilizer 364 ...Casing, shaft and filter unit gyratorily mounted 365 ...Shaft and filter unit gyratorily mounted 366 ....Gyratory mounting above filter 367 ...Filter gyratorily mounted on shaft 368 ...With rotation brake 369 ...Discharging residue 370 ....Secondary motion of filter medium 371 ....With variable flow controller 372 ....By residue engaging means 373 .....Fixed 374 .....Rotatable 375 ......Pivoted 376 .....Axially reciprocable 377 ...Internal work distributor 378 ...Including filtrate receiving means having plural filtrate outlets 379 ...Including filtrate receiving trough adjacent top discharge 380.1 ...Rotating element construction 380.2 ....Laundry 380.3 ....Horizontal axis 381 ....Inwardly extending partitions 382 ....Top filtrate discharge 383 ..Separate agitator 384 ..Vibrator and unidirectional motion filter medium 385 ..With plural motion 386 ..Rolls or confining members contacting residue 387 ..Unrollable 388 ..Vibrating or longitudinally reciprocating 389 ...Longitudinally moving prefilt type 390 ..Mounted on movable valve element 391 ..With cleaning means 392 ...Fixed position or attached valve blocking means 393 ...Backwash or blowback and additional cleaner 394 ...Discharging inside, e.g., internal-type drum 395 ...With filter-driven valve means 396 ...Solid cleaner, e.g., scraper 397 ....With plural outlets from filter casing 398 ..Within sealed enclosure 399 ...Movable casing 400 ..Belt type 401 ...Superimposed on additional moving support 402 ..Drum type 403 ...Internal feed 404 ...Annular segmented compartment 405 .Movable prefilt distributor 406 .Vacuumized filtrate receiver 407 .With residue removing means or agitation of liquid 408 ..Diverse, e.g., combined agitators, scrapers, aeration blowback 409 ..Fluid cleaning 410 ...Air pump type 411 ...Backwash or blowback 412 ....Liquid pulsator 413 ..Fixed filter medium and movable stirrer or cleaner 414 ...With plural outlets from filter casing 415 ...Nontranslatory rotary 416.1 .With pump, gas pressure, or suction sourcee 416.2 ..For aquarium or swimming pool 416.3 ..For drinking water 416.4 ..For fuel system 416.5 ..For lubricating or oil treating system 417 .Alternating oppositely opening liquid distributors 418 .With flow controller for material being treated 419 ..Attached to or within portable prefilt receiver 420 ..Selective directive flow relative to filter 421 ...Pivoted prefilt deflector 422 ...Plural outlets from filter casing 423 ....Attached unitary plural passage header 424 ...Multi-way valve 425 ....Backwash 426 .....Encased 427 ...Backwash 428 ..Combining or dividing flow passages with filter in combined passage 429 ..Filter coaxial with valve seat or valve stem 430 ...Filter surrounds valve 431 ...Filter fixed to valve seat, opposed to valve head 432 ..Filter in valve body recess 433.1 .Divided filtered, and unfiltered liquid passages 434 ..Recombining 435 .Within flow line or flow line connected close casing 436 ..Vented 437 ..Central internal liquid receiver, e.g., tube 438 ...Imperforate central liquid tube 439 ....Axial flow through filter element 440 ...Inlet and outlet at same end 441 ...Attached to casing 442 ....Head and base connected 443 ..Inlet and outlet at same end 444 ...Filter suspended from head 445 ..Clamped in casing joint 446 ..Axially aligned inlet and outlet 447 ...Laterally removable 448 ...Single open-end-type filter element 449 ...Pipe end attached closed casing, e.g., faucet 450 ..Gasket within casing or spaced removable end members 451 ..Internal fixed shoulder supporting filter element 452 ...Single open-end-type filter element 453 ..Filter element clamped between closure and end wall 454 ..Filter element attached to closure 455 .Receptacle and modified spacing surface or support for filter medium 456 .Prefilt flow distributor or diverter 457 .With central pervious tubular receiver 458 ..Plural concentric receivers 459 .Pipe or plate attached type 460 ..Attached to open end of pipe 461 ...Spaced wall-type element 462 ...Pipe is connection to plate 463 ...Inserted holder 464 .Portable receptacle draining type 465 ..Cooperating handles on receptacle and drainer 466 ..Receptacle spout 467 ...Within receptacle proper 468 ...Spaced from spout dischargee 469 ..On or adjacent receptacle upper edge 470 .Handled 471 ..Ring type 472 .Vented 473 .Resting on supporting receiver, e.g., portable 474 ..At upper edge of filtrate receiver 475 ...Filter offset in cover 476 ...Telescoped receivers or receiver sections 477 ..Resting on internal stop or surface 478 ...Unitary filter medium and radially expandable retainer 479 ...Inner separate retainer 480 ....With contractor for expandable retainer 481 ...Longitudinal retainer or guide, (e.g., reflex coffee maker) 482 ..At lower end or prefilt receiver 483 .Supported, shaped or superimposed formed mediums 484 ..Medium within foraminous supporting container or sheath 485 ..External cage-type support 486 ..Spaced wall type, e.g., hollow leaf 487 ...Concentric, convolute or pleated 488 ..Abutted or superimposed members 489 ...For series flow 490 ....Integral or coated layers 491 .....All fibrous 492 ...Alternating dissimilar 493.1 ..Pleated 493.2 ...Bonded end caps 493.3 ...Rectangularly shaped 493.4 ...Spirally formed 493.5 ...Filter element 494.1 ..Convolute 494.2 ...Metal 494.3 ...With edge spacer 495 ..Single ring or closed frame type 496 ..Bound, fused or matted, e.g., porous shapes, sponges, etc. 497.01 ..Cylindrical, conical, or trough shape 497.1 ...Helically wound 497.2 ...Filter blank 497.3 ...Conical 498 ..Perforated or grooved plates 499 ..Screens, e.g., woven 500.1 .Material 500.21 ..Semipermeable membrane 500.22 ...Isotropically pored 500.23 ...Hollow fiber or cylinder 500.24 ...Antithrombogenic coating or membrane 500.25 ...Metal containing 500.26 ...Glass 500.27 ...Organic 500.28 ....Cyclic 500.29 .....Cellulosic 500.3 ......Cellulose acetate 500.31 .......Cellulose diacetate 500.32 .......Cellulose triacetate 500.33 .....Homocyclic 500.34 ......Styrene 500.35 ....Acrylate 500.36 ....Alkene other than vinyl 500.37 ....Aminee 500.38 .....Amide 500.39 ......Imide 500.4 ....Carbonate 500.41 ....Sulfone 500.42 ....Vinyl 500.43 .....Acrylonitrile 501 ..Sterilizing or neutralizing agent containing 502.1 ..Sorptive component containing 503 ..Diverse granular or fibrous 504 ...With adhered coating or impregnant 505 ...Including fibers 506 ..Coated or impregnated, e.g., adhesively bound 507 ...Fabrics 508 ...Fibrous 509 ....Inorganic 510.1 ..Porous unitary mass 511 LIQUID AS SEPARATING MEDIUM 512.1 TANGENTIAL FLOW OR CENTRIFUGAL FLUID ACTION 512.2 .Multiple cyclone 512.3 .With movable means affecting flow 513 GRAVITATIONAL SEPARATOR 514 .Portable invertible, e.g., milk and cream separator 515 ..Selective withdrawal of constituents 516 ..Resilient deformable isolator 517 ...Hinged to handle 518 ..Sectional isolator 519 .Material supply distributor 520 ..Rotatable 521 .Superposed compartments or baffles, e.g., parallel plate type 522 ..Each with lighter constituent discharge 523 .Mechanical constituent mover 524 ..Diverse serial 525 ..Scum sediment removal 526 ..Endless belt or chain 527 ..Rectilinearly movable supporting means 528 ..Horizontally rotating scraper 529 ...Polygonal container and correlating mover 530 ...Tank rim-supported carriage 531 ...Elevatable scrapers 532.1 .Heavier constituent trap, chamber, or recess 532.2 ..Septic tank 533 ..Closure or valve controlled discharge 534 ...In sloping recess 535 ....Downstream of separator 536 ...In side wall of separator 537 ...With discharge means for two or more lighter constituents 538 .Lighter constituent trap 539 ..Gas vent or bypass 540 ..With discharge port 541 ADJUNCTS 542 MISCELLANEOUS * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 900 ULTRA PURE WATER (E.G., CONDUCTIVITY WATER) 901 SPECIFIED LAND FILL FEATURE (E.G., PREVENTION OF GROUND WATER FOULING) 902 MATERIALS REMOVEDD 903 .Nitrogenous 904 ..-CN containing 905 ..Protein 906 .Phosphorus containing 907 ..Phosphate slimes 908 .Organic 909 ..Aromatic compound (e.g., PCB, phenol, etc.) 910 ..Nonbiodegradable surfacant 911 .Cumulative poison 912 ..Heavy metal 913 ...Chromium 914 ...Mercury 915 .Fluorine containing 916 .Odor (including control or abatement) 917 .Color 918 MISCELLANEOUS SPECIFIC TECHNIQUES 919 .Using combined systems by merging parallel diverse waste systems 920 .Using combined systems of sequential local and regional or municipal sewage systems 921 .Flow equalization or time controlled stages or cycles 922 .Oil spill cleanup (e.g., bacterial, etc.) 923 ..Using mechanical means (e.g., skimmers, pump, etc.) 924 ..Using physical agent (e.g., sponge, mop, etc.) 925 ..Using chemical agent 926 .Using oxidation ditch (e.g., carousel, etc.) 928 PAPER MILL WASTE (E.G., WHITE WATER, BLACK LIQUOR, ETC.) TREATED 929 HEMOULTRAFILTRATE VOLUME MEASUREMENT OR CONTROL PROCESSES 930 PAINT DETACKIFYING * ****************************** * DIGESTS * ****************************** DIG 3 Belt alignment DIG 5 Coalescer DIG 6 Dehydrators DIG 7 Drier blocks DIG 8 Fat fryer DIG 9 Floating cover DIG 13 Part flow-full flow DIG 17 Twist-on