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: 177 Class Title: WEIGHING SCALES Subclass Subclass Number Title 1 PROCESSES 2 WITH RECORDER 3 .With computing or totalizing means 4 .With recording of a factor additional to weight 5 ..Weight identification 6 .Of both gross and tare on one record receiver 7 .Responsive to means sensing removal of material 8 .With record receiver advance 9 ..By weigher 10 .External marker operator 11 ..Recorder element mounted on poise 12 .Responsive to timer, or completion of weighing operation 13 .Weigher sets type 14 SELECTIVELY PRESET CYCLE FLOW TERMINATOR 15 WITH TOTAL REGISTER 16 .Integrator of steadily flowing fluent material 17 .Of distinct successive loads 18 .Cycle totalizer 19 ..Single totalizer operated by plural weighers 20 ...By preliminary translation of rotary weighers 21 ...By intermittently used one of plural weighers 22 ..Weigh beam operated 23 ..Discharge valve operated 24 ..Weigh chamber operated 25.11 COMPUTER 25.12 .Electrical 25.13 ..Digital 25.14 ...Multiplying or dividing scales 25.15 ....Price 25.16 ....Calorie counting 25.17 ....Counting 25.18 ...Combinatorial scales 25.19 ..Weight history 26 .Computer and weigher independently operated by common load holder 27 ..Weighing beam dial and computing beam dial with separate poises 28 ...Separately pivoted beams 29 ...Tabular-type computer 30 .Ancillary weigher 31 .Independent computer scale and index 32 ..With adjustable linkage to weight offsetting means 33 ...Coaxial pointers 34 .Tabular-type computer 35 ..Slidable poise moves table 36 ..Weigher moves table 37 ...Rotatable drum 38 ....With manually operated reading assistance 39 ....With additional reading window in drum housing 40 ...Encased disc 41 ..Externally movable table 42 ...Axially rotatablee 43 ..Calibrated index arm 44 ..Table integral with balance beam 45 WITH ALARM OR SIGNAL 46 .In unbalance 47 .In balance 48 ..Electric 49 .Of additional counterpoise 50 WITH TESTING 51 .Coin size 52 WITH CONVEYING MEANS HANDLING SUCCESSIVE RECEIVERS 53 .Receiver presence responsive 54 .Rotary 55 ..Separate weigh chamber 56 .Separate weigh chamber 57 ..Simultaneously operated weigh chambers 58 PLURAL WEIGHERS ON ROTARY SUPPORT 59 DISCHARGE FROM WEIGHER TO RECEIVER 60 WEIGHER RESPONSIVE MATERIAL CONTROL 61 .Translatable among plural sources 62 .Remote discharge station 63 .With additional material-presence responsive means 64 ..Controlling feed 65 ...To alternating weigh chambers 66 ...And discharge 67 ....Overload removal 68 .Flow terminator requiring external reset 69 ..Plural feed, simultaneous cutoff 70 ..Sequential feeding, plural ingredients 71 ..Feed and discharge 72 ...Manually initiated discharge 73 ..Receiver operated reset 74 ..Latch release 75 ...Sequential latch release 76 ...With magnetic operator 77 ....With serially connected switch 78 ...Reciprocating closure 79 ..Holding magnet 80 .With external intercontrol 81 ..Initial partial charge 82 .Overload removal 83 .Rotary 84 ..Power-driven 85 ..Electromagnetic latch release 86 ..With preliminary translation 87 ...Initiates feed control operation 88 ....By cam on weigh chamber 89 .Stationary weigh chamber 90 .Alternating weigh chambers 91 ..Divided unit 92 ...With relatively oscillating partition 93 ....Pivoted feed diverter 94 ...Oscillating 95 ....Valve means correlated with weigh chamber 96 .....Opened by gravity 97 .....Mounted externally of weigh chamber 98 ..Feed diverter 99 ...With discharge valve 100 ..Valved dischargee 101 ..Siphon discharge 102 ..Oscillating 103 .Plural chambers 104 ..With simultaneous discharge 105 .Discharge valve or gate 106 ..Opening initiated by feed terminator 107 ..Closing initiates feed 108 ..Power actuated 109 ...Clutched 110 ....Magnetically operated 111 ..Mechanically interconnected with feed valve 112 ..With linkage operator 113 ..Latch release 114 .Correlated feed and discharge 115 ..Oscillating weigh chamber 116 .Feed 117 ..Weigh chamber placement initiates flow 118 ..With receiver retainer 119 ..Conveyer 120 ...With feed cutoff 121 ...Variable speed 122 ..Sequentially actuated flow control means 123 ...Distinct controllers 124 WITH LOCK OR SEAL 125 CHECK CONTROLLED 126 COLLAPSIBLE, FOLDABLE, KNOCKDOWN 127 .With carrying case 128 WITH REPAIR OR ASSEMBLY MEANS 129 CONVERTIBLE 130 .Hand truck 131 .Hand manipulatable load pickup device 132 STRUCTURAL INSTALLATION 133 .Geographic 134 ..Pit 135 ...With guard or shield 136 .Vehicle 137 ..Running gear springs 138 ...With indicator disconnect means 139 ..Unitary load transferrer and weigher 140 ..Hand truck 141 ..Hydraulic weigher 142 .Building 143 .Refrigerator 144 .Furniture or room fixture 145 WITH WEIGHER LOADING OR UNLOADING MEANS 146 .Jack 147 .Hoist 148 .Hand manipulatable weigher 149 ..Container type 150 EQUAL-ARM BEAM TRANSFER MECHANISM 151 LOAD-HOLDER TRANSFER MECHANISM 152 .Unitary with weigher 153 ..Transmission disconnect means 154 MEANS HOLDING LOAD-DRIVEN ELEMENT AGAINST MOTION 155 .Separates bearing parts 156 .At transmission mechanism 157 .Balance beam 158 ..Plural beamss 159 .At indicator 160 SACK SUPPORT 161 LOAD GUIDE 162 .Chute 163 .Rail 164 PRESET 165 .Responsive to load receiver 166 .Ancillary pointer 167 .Fixed index or dial 168 .Spring support 169 ..Effective length of spring 170 ..Lever 171 .Lever balance-type beam 172 ..Load-arm length 173 .Indicator structure 174 ..Rack connection 175 .In transmission 176 ..Counterweight 177 ILLUMINATED 178 .Projected 179 WITH BEARING SHIELD 180 WITH CASING CLOSURE OR SHIELD 181 .Transparent 182 ..Lens 183 LUBRICATOR 184 SHOCK ABSORBER, DAMPER 185 .Electrical or magnetic 186 .Indicator mechanism 187 .Load-holder transmission mechanism 188 ..Fulcrumed lever 189 .Load holder 190 EQUAL ARM TYPE 191 .With counterweight manipulating means 192 ..Elongated flexible counterweight 193 .With indicator tower 194 .With bias toward balance 195 ..By spring 196 ...Torsion bearing type 197 .With longitudinally movable poise 198 .With check link 199 PLURAL DISTINCT LOAD HOLDERS WITH COMMON EVALUATOR 200 .Load comparing type 201 SELF-POSITIONING 202 .Offsets over or under load 203 .Supplemental weight offsetting means 204 ..Transferred responsive to self-positioning means 205 ..Remote indicator 206 ..Slidable weight 207 .Buoyancy type 208 .Fluid transmission to pressure gauge 209 ..Interconnected load-supporting expansible chamber 210 R .Electrical current generating or modifying 211 ..Strain gauge 210 C ..Capacitors 210 EM ..Electromotive or electromagnetic force 210 FP ..Frequency changes or pulse counts 212 .Repositioning in response to deflection under load 213 ..Electrically actuated poisee 214 ...With indicator of poise position 215 ...Speed control of poise 216 .Pendulum 217 ..Plural opposed 218 ...Translatable 219 ...Tape-driven 220 ..Drives indicator through transmission mechanism 221 ...Flexible member 222 ...Gearing 223 ....Rectilinear rack 224 ..Pointer fixed to pendulum 225 .Spring 226 ..Temperature compensator 227 ...Modifies leverage 228 ...Acts on spring 229 ..Cantilever 230 ..Force modifier connects spring and load-holder 231 ..Load-holder steadying structure and spring carried by casing 232 ..Coil spring in sleeve casing 233 ...With vertical pointer slit 234 ..Magnified indication of spring deformation 235 .Counterweight type 236 ..Variable fulcrum 237 ..Progressive counterweight pickup 238 WITH CASING 239 .Base 240 ..With standard 241 ...Carrying additional housing 242 ....Access opening in cylindrical wall 243 ..Penetrated by load-holder support 244 ASSEMBLY SUPPORT 245 COMBINED 246 BEAM 247 .Coarse and fine sliders 248 .Plural counterweight pickup 249 .Transmission interconnected with slidable counterweight 250 .Counterweight retention 251 .Adjustable load-arm connection 252 .Plural counterweights 253 LOAD HOLDER 254 .Fluid transmission 255 .Sway or tilt prevention 256 .Pivotally interconnected transmission levers 257 ..Integrated force delivered by lever extension from interconnection 258 ..Separate lever loaded by load-holder levers 259 ...With additional serially connected lever 260 .Adjusting means 261 .Movably mounted pivot 262 .Scale pan 263 ..Suspended 264 MISCELLANEOUS * ****************************** * DIGESTS * ****************************** DIG 2 Digitizers mechanical DIG 3 Digitizers electrical DIG 4 Digitizers non-sensingg DIG 5 Magnets DIG 6 Photoelectric DIG 7 Pneumatic controls DIG 8 RR motion DIG 9 Scale bearings DIG 10 Telemetric DIG 11 Vibrators