What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.
Enter a class/subclass code here to get a list of patent titles. Use
any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any
subclass letters capitalized. Currently Design Patent titles (those in the
classes of the form Dxx.yy) are not retreivable.
Class Number: 100 Class Title: PRESSES Subclass Subclass Number Title 1 BINDING 2 .Methods 3 ..Compacting and binding 4 .With automatic or material-triggered control 5 .With material winding or folding 6 .With material severing 7 .With material depositing or discharging 8 .Binder applying 9 ..Preformed continuous annular binder 10 ..With precutting of binder to length 11 ..Plural flexible section binder 12 ..Through annular material 13 ..Helically along material 14 ..Indexing material between successive placements 15 ..By rotation of material 16 ..By swing of material gripping jaw 17 ..Binder supported across passageway for material 18 ...With material conveyer 19 R ....With threader crossing material path 20 .....Delivering binder to end gripper 21 ......Concurrently delivering to joiner 22 .......Indexing gripper 23 ......Shifting gripper delivers binder to joiner 24 .....Threaders 19 A .....Needle brake 25 ..Curved guide channel for pushed binder 26 ...Material receiving loop channel 27 ..Orbit traveling binder placer 28 ...Reversing for successive placements 29 .Binder tighteners and joiners 30 ..Sleeve or clamp joining 31 ..Twisters 32 .Binder tighteners 33 R .Joiners 33 PB ..Plastic band 34 .Binder retaining material holders 35 METHODS 36 .With pre-enclosing in textile 37 .With separation from material of liquid expressed 38 .With heating or cooling 39 .With cutting or comminuting 40 .With winding or folding 41 .Forcing through constricted passage 42 .Successive compressions from different directions 43 AUTOMATIC OR MATERIAL TRIGGERED CONTROL 44 .Of insertion of separator between successive material charges 45 .Of material addition, deposition or discharging 46 .Of parallelism of platens 47 .Of roll separation or speed 48 .Of actuating means 49 ..Material presence or position starting 50 ..By pressure applied to materiall 51 ...With dwell time control 52 ...Reversing 53 INTERRELATED OR SAFETY CONTROLS 54 PORTABLE RECEPTACLE LID APPLYING 55 .With receptacle transfer means 56 .With lid fastening 57 .With gathering of contents 58 .With lid locating means 59 .Receptacle mountable 60 .Upwardly displaced receptacle 61 .Concurrently pressing spaced areas of lid 62 ..Loops or bails receiving receptacle 63 ..Approaching arms embracing receptacle 64 ..Translating projecting arms 65 COMPACTING ENSILAGE WITHIN SILO 66 .With depositing or distributing 67 .Silo wall guide rollers 68 .Vertical center post guided rollers 69 .Tamper suspended within silo 70 R WITH ADDITIONAL TREATMENT OF MATERIAL 71 .Adding materials 72 ..Recycling 73 ..Liquid and/or steam 74 ...To material being fed or conveyed 75 ....Interstage 76 .Winding or folding sheet, web or strand 77 ..With subsequent transfer to repressing press 78 ..With shape retaining means 79 ..With winding mandrel stripper 80 ..Folding zigzag 81 ...Pivoted receiver 82 ..Circularly deposited through eccentric opening 83 ...With presser roll along opening 84 ...With pusher moving to opening 85 ...Receding receiver 86 ..Mandrel and opposed presser roll 87 ..Apron type (embracing belt loop) 88 ..Between opposed belts 89 ..Within group of three or more rolls 90 .Separating materials (vacuumizing here) 91 ..Plural solids 92 .Heating, cooling or drying 93 R ..In press 93 P ...Platen press 93 PB ....Brake lining 93 RP ...Roll press 93 S ...Screw press 94 .Cutting, breaking, piercing or comminuting 95 ..In press material handling train 96 ...In feed train 97 ....Cutter 98 R ..In press 98 A ...Hay bale hole puncher 70 A .Crop crushing 99 WITH ALARM, SIGNAL, INDICATOR OR TEST MEANS 100 WITH GROUND TRAVERSING WHEELS OR GUIDES 101 WITH CLOTH ABOUT CAKE ENFOLDER 102 COMBINEDD 103 CONVERTIBLE 104 WITH DRAIN MEANS FOR EXPRESSED LIQUID 105 .Plural liquids (peel oil) 106 .Liquid impelling means 107 .Drain tube inbedded in material 108 ..With piercing point or edge 109 ..Stacked boxes or plates 110 .Drainage through or along pressure surface 111 ..With valve or adjustable flow regulator 112 ..With clearer or cleaner 113 ..Stacked boxes or plates 114 ...Flexibly connected 115 ...Boxes or plates 116 ..Movable surface 117 ...Helix 118 ...Endless conveyer 119 ....Trough forming 120 .....Material enclosing 121 ...Roll 122 ..Textile containing pressure surface 123 ...Pendant bag type 124 ...Textile sustaining hoops 125 ..Fixed abutment or end wall surface 126 .Drainage through or along surface spanning pressure surfaces 127 ..Box, frame, cage or annular wall 128 ...Assembled rings or hoops 129 ...Assembled slats or staves 130 .External strainer 131 .Expressed liquid collector or receptor 132 ..Demountably supporting press 133 ...Drinking receptacle type 134 ..With dispenser 135 ...Pouring spout 136 .Guards or shields 137 PLURAL DIVERSE PRESSES 138 .With subsequent press conveying while pressing 139 ..Successive diverse presses each conveying 140 ..Loaded from other type press by transfer 141 ..Loaded by transversely moving platen or packer 142 ...Moving through inlet 143 ...Plural transversely moving platens 144 CONCURRENT PRESSING AND CONVEYING 145 .Helix type compressor 146 ..Right and left helices 147 ..Overload release (yieldable choke) 148 ..With valve or choke adjustment 149 ..Detachable choke 150 ..Helix interengaging abutment 151 .Endless conveyer type 152 ..With conveyer charging or discharging means 153 ..Co-acting presser roll 154 ..With intermediate backup device 155 R .Roll type 156 ..Non-rotary co-acting press element 157 ..External and internal rolls 158 R ..Intersecting or inclined roll axes 158 C ...Opposed discs 159 ..Vertical roll axess 160 ..With backing roll 161 ..Plural stage or pass 162 R ...Common roll 163 R ....Yieldable 164 .....Adjustable line of force 165 .....Differentially 163 A .....Calendar pressure regulation 166 ....With turn plate or roll 162 B ....Roll crown control 167 ...Chute or conveyer between stages 168 ..Roll adjustment 169 ...Yieldable 170 ....Fluid pressure 171 ....Spring 172 ..Roll drive 173 ..With material handling or guiding 174 ...Roll strippers 175 ...Roll bearing guards 176 ..Roll pairs 155 G ..Glass making 177 .Moving compression chamber 178 ..Platen or piston type 179 .Plunger and casing type 180 ..With successive charge separating means 181 ...Plunger carried separator supply 182 ...Separator series on endless belt 183 ...Pusher inserted 184 ...Separator structure 185 ..Plural compression chambers 186 ...Aligned oppositely conveying 187 ..With material rebound restrainer or tucker 188 R ..With feeding or discharge handling 189 ...Conveying to or through inlet 188 BT ...Bale thrower 190 ..With inlet closure 191 ..Adjustable choke 192 ...Overload relieving (yieldable) 193 PLURAL PRESSES 194 .Stacked boxes or plates 195 ..Plural stacks 196 ..With charging and/or discharging 197 ...Fluent supply 198 ...Cake loosening or ejecting 199 ..With positioning or supporting means 200 ...Link 202 ..Hinged plates 203 ..Box or pot type 204 ...With compression lock 205 ...With openings (e.g., for removing or loosening cake) 206 ...Separable sections 207 .With material transfer from press to press 208 .Concurrently actuated 209 ..Alternately compressing 210 ROLL AND PLATEN 211 WITH FLEXIBLE OR DEFORMABLE PRESSURE SURFACE 212 .Circumferentially tightened loop 213 INTERFITTING CUPS - FRUIT JUICER TYPE 214 RECIPROCATING PRESS CONSTRUCTIONN 215 .With material depositing means 216 ..Feeder controlled plunger actuation 217 ..Box traversing spreader 218 .With material displacing means (e.g., ejector) 219 .With platen position or compression lock 220 .With material rebound restrainer 221 .Plural or indexing material supports or receptacles 222 ..Belt 223 ..Rotary 224 ..Slidable 225 ..Partitioned or compartmented box 226 .With transversely displaceable piston or movable platen 227 ..Portable receptacle mountable 228 ..Pivoted or detachable beam 229 R .With transversely displaceable box, receptacle or stationary platen 229 A ..Compressing in separable container 230 .Central strain rod type 231 .C-frame type 232 .Plural movable platens on intersecting paths 233 .Oscillatory or hinged platen or piston 234 ..Plier type 235 ...With impaling support for material 236 ..Parallel spaced pairs 237 .Plural movable platens on side by side paths 238 .Combined reciprocating and rotating piston or platen 239 ..Piston advanced by box rotation 240 .Box and piston type 241 ..Piston carried box frame scrapers 242 ..Adjustable size 243 ..Plier type (i.e., plural handles) 244 ..Plural opposing pistons 245 ..Box guided piston 246 ..Movable or removable box section 247 ...Separable box head and box frame 248 ....Insert of false head 249 ....With guided motion 250 .....Pivoted 251 .....Axially slidable 252 ...Separable box frame sections 253 ....Piston operator actuated frame section 254 ....Counterbalanced 255 ....Hinged 256 .Platen tripped stop or reverse 257 .Range of movement adjustment 258 R .Platen level compensating 258 A ..Parallel pressure surfaces 259 .With plunger return cushioning 260 .With actuation releasing for rebounding or biased return 261 ..Over center releasing 262 ..Disengaging rack and pinion 263 ..Interruption in rotated camming surface 264 .Opposed platens both actuated 265 .Spring or weight 266 ..Return bias 267 ...Opposing flexible element actuator 268 ..Interposed in actuating mechanism 269 R .Fluid pressure actuationn 270 ..Combined with mechanical actuation 271 ...Mechanical force mutiplier 272 ....Toggle 269 A ..Inflatable bag to push platen 269 B ..Ram type intensifier 273 .Speed or power variable by power path selection 274 .Intermittent actuator 275 ..Plural 276 ...Acting at opposite ends of cross bar on movable platen 277 ...Cross connected alternately acting 278 .Flexible element actuator 279 ..Varying radius windlass 280 .With mechanical force multiplier 281 ..Transversely forced linkage joint (single toggles here) 282 ...Shaft turned cam or crank and pitman 283 ...Lever in linkage 284 ....Lever carried toothed sector 285 ....Plural 286 ...Plural toggle joints 287 ....Screw and nut between joints 288 ..Rack and pinion 289 ..Screw and nut 290 ...Plural screws 291 ..Cam or tapering wedge 292 ...Rotary or swinging 293 ..Fixed fulcrum lever 294 ..Plural oppositely moving struts 295 PLATENS OR PRESSURE SURFACES 296 .Flexibly connected opposed 297 .Porous mats 298 CLOTHS FROM CAKE STRIPPERS 299 MISCELLANEOUS * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 901 SCRAP AUTO BODY CRUSHERS 902 CAN CRUSHERS 903 PELLETERS 904 .Screw 905 .Inner roll 906 .Reciprocating 907 .Rotary 908 .Series rolls 909 .Adjustable die openings 910 MEAT 911 JET OR EXPLOSIVE 912 BINDER CONTAINERS 913 TRUSS PRESSES 914 SCRAP PAPER 915 FIXED UPPER RAM, LOWER MOVABLE RECEPTACLE 916 COIL TIGHTENER AND BINDER 917 MAGNETIC 918 BOLSTER AND DIE