424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
5477 |
5017 |
4756 |
5287 |
7492 |
28029 |
438 |
Semiconductor Device Manufacturing: Process |
4810 |
4495 |
4519 |
4906 |
6123 |
24853 |
257 |
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) |
4493 |
4306 |
4112 |
4669 |
6877 |
24457 |
370 |
Multiplex Communications |
3808 |
3174 |
4513 |
5282 |
7381 |
24158 |
455 |
Telecommunications |
4067 |
3501 |
3115 |
3358 |
4280 |
18321 |
709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
2426 |
2355 |
2677 |
3285 |
4629 |
15372 |
435 |
Chemistry: Molecular Biology and Microbiology |
3107 |
2920 |
2682 |
2704 |
3709 |
15122 |
532 |
Organic Compounds (includes Classes 532-570) |
2873 |
2430 |
2625 |
2762 |
3209 |
13899 |
345 |
Computer Graphics Processing and Selective Visual Display Systems |
2936 |
2476 |
2334 |
2571 |
3299 |
13616 |
382 |
Image Analysis |
2302 |
2158 |
2421 |
2615 |
3338 |
12834 |
707 |
DP: Database and File Management or Data Structures (Data Processing) |
1804 |
1694 |
1917 |
2864 |
4442 |
12721 |
375 |
Pulse or Digital Communications |
2383 |
2121 |
2267 |
2271 |
3006 |
12048 |
365 |
Static Information Storage and Retrieval |
2173 |
2295 |
2326 |
2379 |
2722 |
11895 |
520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
2449 |
2081 |
1762 |
1917 |
3009 |
11218 |
250 |
Radiant Energy |
2280 |
1998 |
2205 |
2178 |
2271 |
10932 |
439 |
Electrical Connectors |
2287 |
1935 |
2173 |
2068 |
2392 |
10855 |
359 |
Optical: Systems and Elements |
2364 |
2014 |
2055 |
2023 |
2364 |
10820 |
361 |
Electricity: Electrical Systems and Devices |
1711 |
1889 |
2001 |
2119 |
2492 |
10212 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
1262 |
1168 |
1678 |
1960 |
4026 |
10094 |
714 |
Error Detection/Correction and Fault Detection/Recovery |
1780 |
1889 |
1951 |
2090 |
2378 |
10088 |
340 |
Communications: Electrical |
2218 |
1715 |
1897 |
1865 |
2197 |
9892 |
428 |
Stock Material or Miscellaneous Articles |
1950 |
1860 |
1584 |
1702 |
2483 |
9579 |
073 |
Measuring and Testing |
1915 |
1787 |
1912 |
1724 |
1926 |
9264 |
713 |
Support (Electrical Computers and Digital Processing Systems) |
1644 |
1640 |
1850 |
1865 |
2238 |
9237 |
324 |
Electricity: Measuring and Testing |
1949 |
1797 |
1692 |
1734 |
1966 |
9138 |
128 |
Surgery (includes Class 600) |
1825 |
1588 |
1396 |
1638 |
2637 |
9084 |
348 |
Television |
1594 |
1368 |
1624 |
1938 |
2330 |
8854 |
347 |
Incremental Printing of Symbolic Information |
1483 |
1554 |
1826 |
1677 |
2263 |
8803 |
711 |
Memory (Electrical Computers and Digital Processing Systems) |
1732 |
1470 |
1737 |
1602 |
1752 |
8293 |
385 |
Optical Waveguides |
1972 |
1809 |
1615 |
1314 |
1248 |
7958 |
356 |
Optics: Measuring and Testing |
1384 |
1539 |
1661 |
1575 |
1703 |
7862 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
1708 |
1515 |
1407 |
1302 |
1535 |
7467 |
123 |
Internal-Combustion Engines |
1830 |
1629 |
1503 |
1135 |
1275 |
7372 |
358 |
Facsimile and Static Presentation Processing |
1349 |
1287 |
1351 |
1450 |
1680 |
7117 |
362 |
Illumination |
1257 |
1372 |
1194 |
1344 |
1814 |
6981 |
399 |
Electrophotography |
1172 |
1245 |
1297 |
1298 |
1748 |
6760 |
029 |
Metal Working |
1494 |
1247 |
1029 |
1117 |
1489 |
6376 |
701 |
DP: Vehicles, Navigation, and Relative Location (Data Processing) |
1081 |
1132 |
1146 |
1200 |
1791 |
6350 |
280 |
Land Vehicles |
1135 |
1162 |
1217 |
1170 |
1571 |
6255 |
327 |
Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems |
1291 |
1173 |
1034 |
1235 |
1510 |
6243 |
715 |
DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) |
1034 |
1013 |
1026 |
1343 |
1710 |
6126 |
430 |
Radiation Imagery Chemistry: Process, Composition, or Product Thereof |
1332 |
1150 |
1109 |
1128 |
1383 |
6102 |
360 |
Dynamic Magnetic Information Storage or Retrieval |
1470 |
1132 |
1082 |
1133 |
1057 |
5874 |
349 |
Liquid Crystal Cells, Elements and Systems |
950 |
839 |
995 |
1407 |
1678 |
5869 |
369 |
Dynamic Information Storage or Retrieval |
1192 |
1160 |
1144 |
1049 |
1295 |
5840 |
606 |
Surgery (instruments) |
1063 |
986 |
760 |
1007 |
1873 |
5689 |
310 |
Electrical Generator or Motor Structure |
1049 |
914 |
966 |
1205 |
1396 |
5530 |
710 |
Input/Output (Electrical Computers and Digital Processing Systems) |
1143 |
811 |
907 |
1089 |
1421 |
5371 |
235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
1040 |
1025 |
1079 |
1015 |
1188 |
5347 |
700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
1303 |
973 |
902 |
850 |
1264 |
5292 |
429 |
Chemistry: Electrical Current Producing Apparatus, Product, and Process |
788 |
763 |
746 |
992 |
1704 |
4993 |
604 |
Surgery (Medicators and Receptors) |
848 |
735 |
748 |
907 |
1718 |
4956 |
210 |
Liquid Purification or Separation |
873 |
970 |
925 |
844 |
1007 |
4619 |
060 |
Power Plants |
1092 |
755 |
706 |
906 |
1146 |
4605 |
379 |
Telephonic Communications |
1253 |
903 |
701 |
780 |
932 |
4569 |
717 |
DP: Software Development, Installation, and Management (Data Processing) |
763 |
716 |
711 |
828 |
1313 |
4331 |
313 |
Electric Lamp and Discharge Devices |
769 |
762 |
719 |
825 |
1134 |
4209 |
726 |
Information Security |
507 |
610 |
709 |
981 |
1364 |
4171 |
704 |
DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) |
853 |
768 |
802 |
762 |
964 |
4149 |
530 |
Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof |
748 |
877 |
900 |
746 |
834 |
4105 |
716 |
Computer-Aided Design and Analysis of Circuits and Semiconductor Masks |
844 |
733 |
825 |
789 |
906 |
4097 |
166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
838 |
753 |
742 |
691 |
1061 |
4085 |
343 |
Communications: Radio Wave Antennas |
893 |
728 |
808 |
784 |
833 |
4046 |
341 |
Coded Data Generation or Conversion |
816 |
803 |
881 |
744 |
795 |
4039 |
800 |
Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes |
682 |
799 |
685 |
841 |
983 |
3990 |
296 |
Land Vehicles: Bodies and Tops |
819 |
744 |
701 |
660 |
860 |
3784 |
219 |
Electric Heating |
1021 |
797 |
573 |
486 |
665 |
3542 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
482 |
623 |
614 |
691 |
1132 |
3542 |
427 |
Coating Processes |
481 |
579 |
555 |
724 |
1113 |
3452 |
607 |
Surgery: Light, Thermal, and Electrical Application |
698 |
701 |
471 |
607 |
969 |
3446 |
062 |
Refrigeration |
795 |
831 |
556 |
480 |
696 |
3358 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
645 |
539 |
503 |
524 |
1113 |
3324 |
180 |
Motor Vehicles |
577 |
587 |
609 |
680 |
863 |
3316 |
378 |
X-Ray or Gamma Ray Systems or Devices |
632 |
565 |
608 |
698 |
745 |
3248 |
318 |
Electricity: Motive Power Systems |
776 |
619 |
581 |
612 |
642 |
3230 |
330 |
Amplifiers |
651 |
651 |
638 |
612 |
666 |
3218 |
398 |
Optical Communications |
615 |
648 |
598 |
634 |
711 |
3206 |
174 |
Electricity: Conductors and Insulators |
653 |
638 |
623 |
620 |
671 |
3205 |
326 |
Electronic Digital Logic Circuitry |
550 |
665 |
657 |
578 |
746 |
3196 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
729 |
612 |
551 |
482 |
796 |
3170 |
473 |
Games Using Tangible Projectile |
715 |
638 |
531 |
545 |
734 |
3163 |
623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
632 |
539 |
448 |
612 |
926 |
3157 |
052 |
Static Structures (e.g., Buildings) |
560 |
438 |
398 |
601 |
1107 |
3104 |
342 |
Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) |
512 |
494 |
538 |
684 |
703 |
2931 |
297 |
Chairs and Seats |
625 |
504 |
547 |
546 |
674 |
2896 |
703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
646 |
482 |
510 |
563 |
693 |
2894 |
372 |
Coherent Light Generators |
590 |
413 |
487 |
577 |
726 |
2793 |
248 |
Supports (e.g., for holding articles, etc.) |
464 |
500 |
419 |
597 |
806 |
2786 |
381 |
Electrical Audio Signal Processing Systems and Devices |
623 |
518 |
465 |
488 |
673 |
2767 |
423 |
Chemistry of Inorganic Compounds |
496 |
367 |
409 |
537 |
802 |
2611 |
137 |
Fluid Handling |
677 |
539 |
442 |
407 |
528 |
2593 |
315 |
Electric Lamp and Discharge Devices: Systems |
574 |
534 |
499 |
418 |
517 |
2542 |
206 |
Special Receptacle or Package |
490 |
383 |
524 |
445 |
631 |
2473 |
386 |
Motion Video Signal Processing for Recording or Reproducing |
395 |
479 |
486 |
484 |
550 |
2394 |
252 |
Compositions |
440 |
420 |
435 |
432 |
642 |
2369 |
482 |
Exercise Devices |
459 |
348 |
360 |
458 |
650 |
2275 |
333 |
Wave Transmission Lines and Networks |
482 |
397 |
425 |
490 |
479 |
2273 |
451 |
Abrading |
805 |
518 |
319 |
292 |
296 |
2230 |
425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
501 |
500 |
414 |
351 |
461 |
2227 |
380 |
Cryptography |
367 |
410 |
372 |
487 |
582 |
2218 |
463 |
Amusement Devices: Games |
309 |
315 |
413 |
379 |
801 |
2217 |
323 |
Electricity: Power Supply or Regulation Systems |
395 |
384 |
371 |
488 |
572 |
2210 |
436 |
Chemistry: Analytical and Immunological Testing |
315 |
390 |
420 |
428 |
648 |
2201 |
084 |
Music |
316 |
374 |
422 |
482 |
557 |
2151 |
396 |
Photography |
228 |
186 |
364 |
612 |
746 |
2136 |
015 |
Brushing, Scrubbing, and General Cleaning |
339 |
434 |
391 |
381 |
576 |
2121 |
712 |
Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) |
374 |
351 |
424 |
405 |
530 |
2084 |
725 |
Interactive Video Distribution Systems |
352 |
261 |
233 |
494 |
722 |
2062 |
331 |
Oscillators |
379 |
396 |
376 |
407 |
448 |
2006 |
106 |
Compositions: Coating or Plastic |
369 |
408 |
364 |
327 |
507 |
1975 |
074 |
Machine Element or Mechanism |
387 |
385 |
340 |
375 |
470 |
1957 |
239 |
Fluid Sprinkling, Spraying, and Diffusing |
555 |
357 |
291 |
293 |
447 |
1943 |
033 |
Geometrical Instruments |
379 |
411 |
380 |
374 |
394 |
1938 |
706 |
DP: Artificial Intelligence (Data Processing) |
246 |
205 |
348 |
473 |
637 |
1909 |
351 |
Optics: Eye Examining, Vision Testing and Correcting |
294 |
362 |
415 |
379 |
437 |
1887 |
307 |
Electrical Transmission or Interconnection Systems |
285 |
286 |
316 |
430 |
553 |
1870 |
355 |
Photocopying |
468 |
391 |
397 |
282 |
319 |
1857 |
502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
346 |
337 |
282 |
371 |
519 |
1855 |
363 |
Electric Power Conversion Systems |
350 |
307 |
329 |
395 |
472 |
1853 |
244 |
Aeronautics and Astronautics |
369 |
344 |
280 |
358 |
483 |
1834 |
204 |
Chemistry: Electrical and Wave Energy |
339 |
349 |
315 |
310 |
481 |
1794 |
271 |
Sheet Feeding or Delivering |
215 |
215 |
338 |
436 |
560 |
1764 |
198 |
Conveyors: Power-Driven |
341 |
340 |
332 |
315 |
422 |
1750 |
200 |
Electricity: Circuit Makers and Breakers |
414 |
341 |
324 |
350 |
319 |
1748 |
005 |
Beds |
387 |
278 |
350 |
330 |
402 |
1747 |
222 |
Dispensing (apparatus and process) |
413 |
340 |
236 |
264 |
487 |
1740 |
320 |
Electricity: Battery or Capacitor Charging or Discharging |
183 |
183 |
245 |
500 |
618 |
1729 |
415 |
Rotary Kinetic Fluid Motors or Pumps |
394 |
333 |
285 |
298 |
406 |
1716 |
165 |
Heat Exchange |
543 |
359 |
252 |
251 |
306 |
1711 |
353 |
Optics: Image Projectors |
402 |
381 |
340 |
249 |
315 |
1687 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
400 |
321 |
241 |
285 |
438 |
1685 |
072 |
Metal Deforming |
458 |
385 |
307 |
258 |
272 |
1680 |
053 |
Package Making |
352 |
247 |
356 |
308 |
321 |
1584 |
475 |
Planetary Gear Transmission Systems or Components |
308 |
341 |
280 |
297 |
347 |
1573 |
719 |
Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) |
288 |
178 |
333 |
361 |
391 |
1551 |
510 |
Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions |
365 |
271 |
272 |
296 |
328 |
1532 |
134 |
Cleaning and Liquid Contact with Solids |
272 |
284 |
263 |
287 |
389 |
1495 |
708 |
Arithmetic Processing and Calculating (Electrical Computers) |
360 |
234 |
304 |
280 |
313 |
1491 |
175 |
Boring or Penetrating the Earth |
274 |
264 |
278 |
256 |
384 |
1456 |
002 |
Apparel |
380 |
237 |
217 |
173 |
401 |
1408 |
242 |
Winding, Tensioning, or Guiding |
339 |
314 |
290 |
223 |
235 |
1401 |
119 |
Animal Husbandry |
325 |
293 |
232 |
229 |
305 |
1384 |
417 |
Pumps |
355 |
228 |
228 |
244 |
311 |
1366 |
220 |
Receptacles |
285 |
213 |
186 |
291 |
387 |
1362 |
118 |
Coating Apparatus |
256 |
225 |
255 |
257 |
355 |
1348 |
718 |
Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) |
256 |
187 |
220 |
261 |
410 |
1334 |
416 |
Fluid Reaction Surfaces (i.e., Impellers) |
254 |
267 |
237 |
255 |
306 |
1319 |
414 |
Material or Article Handling |
300 |
238 |
224 |
244 |
304 |
1310 |
114 |
Ships |
330 |
292 |
259 |
201 |
212 |
1294 |
405 |
Hydraulic and Earth Engineering |
327 |
208 |
243 |
228 |
287 |
1293 |
285 |
Pipe Joints or Couplings |
251 |
161 |
276 |
269 |
320 |
1277 |
081 |
Tools |
416 |
337 |
205 |
115 |
195 |
1268 |
188 |
Brakes |
300 |
261 |
240 |
211 |
230 |
1242 |
251 |
Valves and Valve Actuation |
382 |
209 |
179 |
174 |
223 |
1167 |
241 |
Solid Material Comminution or Disintegration |
201 |
236 |
187 |
238 |
302 |
1164 |
384 |
Bearings |
253 |
213 |
209 |
224 |
262 |
1161 |
055 |
Gas Separation |
146 |
179 |
252 |
276 |
305 |
1158 |
273 |
Amusement Devices: Games |
218 |
230 |
222 |
228 |
260 |
1158 |
148 |
Metal Treatment |
202 |
190 |
198 |
227 |
337 |
1154 |
290 |
Prime-Mover Dynamo Plants |
199 |
193 |
239 |
249 |
261 |
1141 |
720 |
Dynamic Optical Information Storage or Retrieval |
270 |
233 |
254 |
198 |
167 |
1122 |
101 |
Printing |
351 |
204 |
200 |
167 |
192 |
1114 |
216 |
Etching a Substrate: Processes |
239 |
228 |
232 |
197 |
212 |
1108 |
585 |
Chemistry of Hydrocarbon Compounds |
160 |
223 |
242 |
230 |
248 |
1103 |
162 |
Paper Making and Fiber Liberation |
208 |
202 |
200 |
191 |
268 |
1069 |
095 |
Gas Separation: Processes |
210 |
163 |
210 |
189 |
296 |
1068 |
433 |
Dentistry |
315 |
257 |
170 |
105 |
212 |
1059 |
367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
142 |
180 |
239 |
217 |
276 |
1054 |
036 |
Boots, Shoes, and Leggings |
214 |
175 |
203 |
184 |
272 |
1048 |
336 |
Inductor Devices |
222 |
204 |
185 |
152 |
256 |
1019 |
040 |
Card, Picture, or Sign Exhibiting |
173 |
203 |
220 |
184 |
235 |
1015 |
228 |
Metal Fusion Bonding |
191 |
136 |
199 |
176 |
313 |
1015 |
016 |
Miscellaneous Hardware |
231 |
165 |
145 |
215 |
258 |
1014 |
024 |
Buckles, Buttons, Clasps, Etc. |
223 |
200 |
200 |
181 |
204 |
1008 |
205 |
Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions |
202 |
201 |
175 |
176 |
254 |
1008 |
192 |
Clutches and Power-Stop Control |
259 |
191 |
174 |
162 |
214 |
1000 |
008 |
Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers |
194 |
205 |
180 |
180 |
235 |
994 |
141 |
Fluent Material Handling, with Receiver or Receiver Coacting Means |
274 |
230 |
133 |
143 |
209 |
989 |
030 |
Cutlery |
229 |
199 |
163 |
170 |
204 |
965 |
083 |
Cutting |
272 |
174 |
142 |
157 |
213 |
958 |
335 |
Electricity: Magnetically Operated Switches, Magnets, and Electromagnets |
240 |
153 |
135 |
188 |
230 |
946 |
117 |
Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor |
183 |
204 |
221 |
148 |
160 |
916 |
477 |
Interrelated Power Delivery Controls, Including Engine Control |
157 |
184 |
170 |
183 |
215 |
909 |
070 |
Locks |
200 |
178 |
204 |
153 |
158 |
893 |
400 |
Typewriting Machines |
261 |
212 |
153 |
122 |
142 |
890 |
374 |
Thermal Measuring and Testing |
176 |
100 |
164 |
217 |
221 |
878 |
292 |
Closure Fasteners |
182 |
194 |
171 |
151 |
170 |
868 |
368 |
Horology: Time Measuring Systems or Devices |
175 |
152 |
197 |
151 |
191 |
866 |
501 |
Compositions: Ceramic |
177 |
149 |
135 |
190 |
209 |
860 |
099 |
Foods and Beverages: Apparatus |
174 |
112 |
167 |
161 |
239 |
853 |
211 |
Supports: Racks |
227 |
193 |
112 |
107 |
201 |
840 |
004 |
Baths, Closets, Sinks, and Spittoons |
219 |
181 |
138 |
111 |
189 |
838 |
208 |
Mineral Oils: Processes and Products |
116 |
140 |
163 |
165 |
245 |
829 |
227 |
Elongated-Member-Driving Apparatus |
175 |
130 |
142 |
159 |
223 |
829 |
401 |
Coating Implements with Material Supply |
195 |
173 |
161 |
128 |
162 |
819 |
602 |
Surgery: Splint, Brace, or Bandage |
176 |
131 |
115 |
149 |
226 |
797 |
056 |
Harvesters |
165 |
118 |
140 |
156 |
216 |
795 |
440 |
Marine Propulsion |
188 |
183 |
168 |
140 |
107 |
786 |
096 |
Gas Separation: Apparatus |
107 |
128 |
151 |
190 |
206 |
782 |
164 |
Metal Founding |
233 |
182 |
104 |
105 |
151 |
775 |
366 |
Agitating (e.g., of articles and materials) |
147 |
156 |
182 |
125 |
163 |
773 |
043 |
Fishing, Trapping, and Vermin Destroying |
169 |
139 |
130 |
131 |
195 |
764 |
404 |
Road Structure, Process, or Apparatus |
174 |
148 |
139 |
143 |
159 |
763 |
042 |
Firearms |
130 |
127 |
133 |
135 |
212 |
737 |
075 |
Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures |
101 |
135 |
122 |
173 |
204 |
735 |
442 |
Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) |
100 |
108 |
127 |
145 |
248 |
728 |
446 |
Amusement Devices: Toys |
153 |
137 |
127 |
122 |
181 |
720 |
294 |
Handling: Hand and Hoist-Line Implements |
141 |
149 |
121 |
129 |
162 |
702 |
152 |
Resilient Tires and Wheels |
172 |
147 |
125 |
120 |
134 |
698 |
102 |
Ammunition and Explosives |
141 |
110 |
140 |
132 |
171 |
694 |
160 |
Flexible or Portable Closure, Partition, or Panel |
162 |
138 |
98 |
112 |
179 |
689 |
312 |
Supports: Cabinet Structure |
130 |
121 |
113 |
113 |
208 |
685 |
209 |
Classifying, Separating, and Assorting Solids |
142 |
126 |
144 |
113 |
152 |
677 |
181 |
Acoustics |
70 |
110 |
142 |
151 |
202 |
675 |
434 |
Education and Demonstration |
183 |
142 |
110 |
105 |
130 |
670 |
418 |
Rotary Expansible Chamber Devices |
122 |
121 |
133 |
147 |
145 |
668 |
445 |
Electric Lamp or Space Discharge Component or Device Manufacturing |
185 |
123 |
94 |
119 |
143 |
664 |
187 |
Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle |
112 |
128 |
130 |
132 |
146 |
648 |
474 |
Endless Belt Power Transmission Systems or Components |
168 |
128 |
92 |
82 |
175 |
645 |
254 |
Implements or Apparatus for Applying Pushing or Pulling Force |
148 |
123 |
138 |
112 |
122 |
643 |
277 |
Seal for a Joint or Juncture |
187 |
107 |
111 |
68 |
157 |
630 |
303 |
Fluid-Pressure and Analogous Brake Systems |
140 |
117 |
142 |
95 |
131 |
625 |
411 |
Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener |
158 |
121 |
96 |
79 |
169 |
623 |
403 |
Joints and Connections |
141 |
99 |
132 |
110 |
131 |
613 |
089 |
Ordnance |
84 |
96 |
104 |
133 |
185 |
602 |
138 |
Pipes and Tubular Conduits |
150 |
88 |
89 |
137 |
134 |
598 |
034 |
Drying and Gas or Vapor Contact with Solids |
186 |
92 |
156 |
75 |
82 |
591 |
065 |
Glass Manufacturing |
139 |
96 |
103 |
84 |
146 |
568 |
601 |
Surgery: Kinesitherapy |
122 |
125 |
111 |
91 |
118 |
567 |
049 |
Movable or Removable Closures |
139 |
79 |
87 |
110 |
149 |
564 |
173 |
Tool Driving or Impacting |
123 |
83 |
109 |
93 |
125 |
533 |
261 |
Gas and Liquid Contact Apparatus |
117 |
108 |
98 |
103 |
103 |
529 |
493 |
Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web |
103 |
86 |
136 |
93 |
103 |
521 |
464 |
Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts |
123 |
86 |
103 |
81 |
127 |
520 |
047 |
Plant Husbandry |
107 |
82 |
48 |
105 |
168 |
510 |
507 |
Earth Boring, Well Treating, and Oil Field Chemistry |
69 |
75 |
66 |
118 |
181 |
509 |
135 |
Tent, Canopy, Umbrella, or Cane |
77 |
102 |
89 |
116 |
123 |
507 |
221 |
Article Dispensing |
142 |
99 |
81 |
73 |
111 |
506 |
092 |
Expansible Chamber Devices |
99 |
127 |
103 |
75 |
86 |
490 |
037 |
Excavating |
95 |
67 |
42 |
115 |
169 |
488 |
508 |
Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions |
58 |
67 |
75 |
100 |
184 |
484 |
224 |
Package and Article Carriers |
108 |
96 |
85 |
60 |
132 |
481 |
408 |
Cutting by Use of Rotating Axially Moving Tool |
121 |
105 |
81 |
89 |
80 |
476 |
136 |
Batteries: Thermoelectric and Photoelectric |
57 |
78 |
59 |
82 |
196 |
472 |
108 |
Horizontally Supported Planar Surfaces |
118 |
64 |
71 |
88 |
130 |
471 |
215 |
Bottles and Jars |
116 |
79 |
69 |
83 |
123 |
470 |
124 |
Mechanical Guns and Projectors |
71 |
93 |
76 |
80 |
146 |
466 |
229 |
Envelopes, Wrappers, and Paperboard Boxes |
76 |
83 |
77 |
90 |
137 |
463 |
267 |
Spring Devices |
113 |
99 |
102 |
65 |
76 |
455 |
454 |
Ventilation |
114 |
79 |
71 |
98 |
87 |
449 |
132 |
Toilet |
93 |
113 |
71 |
81 |
87 |
445 |
452 |
Butchering |
95 |
83 |
84 |
89 |
91 |
442 |
431 |
Combustion |
102 |
77 |
57 |
101 |
103 |
440 |
126 |
Stoves and Furnaces |
78 |
61 |
61 |
70 |
169 |
439 |
144 |
Woodworking |
108 |
74 |
83 |
65 |
109 |
439 |
392 |
Electric Resistance Heating Devices |
125 |
99 |
57 |
63 |
94 |
438 |
270 |
Sheet-Material Associating |
54 |
48 |
75 |
119 |
139 |
435 |
410 |
Freight Accommodation On Freight Carrier |
98 |
78 |
83 |
72 |
93 |
424 |
068 |
Textiles: Fluid Treating Apparatus |
35 |
72 |
93 |
113 |
105 |
418 |
409 |
Gear Cutting, Milling, or Planing |
97 |
121 |
82 |
63 |
51 |
414 |
182 |
Fire Escape, Ladder, or Scaffold |
144 |
94 |
47 |
33 |
78 |
396 |
100 |
Presses |
107 |
73 |
97 |
54 |
51 |
382 |
441 |
Buoys, Rafts, and Aquatic Devices |
101 |
85 |
65 |
51 |
69 |
371 |
112 |
Sewing |
89 |
71 |
76 |
69 |
65 |
370 |
177 |
Weighing Scales |
85 |
83 |
68 |
71 |
63 |
370 |
338 |
Electrical Resistors |
97 |
68 |
47 |
49 |
97 |
358 |
139 |
Textiles: Weaving |
102 |
43 |
55 |
80 |
69 |
349 |
301 |
Land Vehicles: Wheels and Axles |
90 |
57 |
75 |
63 |
64 |
349 |
048 |
Gas: Heating and Illuminating |
51 |
60 |
69 |
81 |
86 |
347 |
172 |
Earth Working |
89 |
45 |
37 |
70 |
100 |
341 |
504 |
Plant Protecting and Regulating Compositions |
85 |
54 |
46 |
56 |
93 |
334 |
066 |
Textiles: Knitting |
79 |
60 |
49 |
72 |
73 |
333 |
407 |
Cutters, for Shaping |
73 |
58 |
65 |
77 |
57 |
330 |
044 |
Fuel and Related Compositions |
28 |
58 |
66 |
81 |
93 |
326 |
322 |
Electricity: Single Generator Systems |
66 |
75 |
62 |
75 |
48 |
326 |
236 |
Automatic Temperature and Humidity Regulation |
63 |
69 |
41 |
47 |
105 |
325 |
266 |
Metallurgical Apparatus |
36 |
45 |
57 |
84 |
88 |
310 |
269 |
Work Holders |
89 |
64 |
52 |
34 |
69 |
308 |
111 |
Planting |
59 |
57 |
59 |
61 |
70 |
306 |
116 |
Signals and Indicators |
48 |
48 |
57 |
63 |
82 |
298 |
383 |
Flexible Bags |
68 |
61 |
45 |
55 |
63 |
292 |
091 |
Motors: Expansible Chamber Type |
79 |
80 |
48 |
49 |
34 |
290 |
104 |
Railways |
33 |
41 |
51 |
66 |
86 |
277 |
057 |
Textiles: Spinning, Twisting, and Twining |
75 |
48 |
57 |
40 |
52 |
272 |
293 |
Vehicle Fenders |
54 |
60 |
56 |
52 |
48 |
270 |
105 |
Railway Rolling Stock |
49 |
42 |
47 |
54 |
73 |
265 |
169 |
Fire Extinguishers |
58 |
40 |
50 |
35 |
80 |
263 |
337 |
Electricity: Electrothermally or Thermally Actuated Switches |
46 |
40 |
49 |
58 |
61 |
254 |
516 |
Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting |
36 |
37 |
31 |
55 |
92 |
251 |
131 |
Tobacco |
30 |
48 |
34 |
43 |
95 |
250 |
122 |
Liquid Heaters and Vaporizers |
46 |
43 |
51 |
56 |
51 |
247 |
419 |
Powder Metallurgy Processes |
42 |
40 |
43 |
48 |
71 |
244 |
376 |
Induced Nuclear Reactions: Processes, Systems, and Elements |
36 |
28 |
40 |
61 |
70 |
235 |
256 |
Fences |
54 |
34 |
48 |
53 |
44 |
233 |
082 |
Turning (e.g., for metal working) |
49 |
30 |
38 |
52 |
63 |
232 |
299 |
Mining or In Situ Disintegration of Hard Material |
36 |
29 |
67 |
43 |
43 |
218 |
503 |
Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor |
57 |
44 |
40 |
32 |
40 |
213 |
450 |
Foundation Garments |
42 |
43 |
43 |
35 |
48 |
211 |
472 |
Amusement Devices |
37 |
30 |
36 |
25 |
80 |
208 |
110 |
Furnaces |
61 |
33 |
32 |
22 |
51 |
199 |
223 |
Apparel Apparatus |
39 |
53 |
43 |
21 |
43 |
199 |
212 |
Traversing Hoists |
34 |
37 |
45 |
42 |
40 |
198 |
518 |
Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof |
60 |
36 |
33 |
20 |
47 |
196 |
014 |
Bridges |
44 |
39 |
31 |
40 |
37 |
191 |
194 |
Check-Actuated Control Mechanisms |
36 |
31 |
18 |
36 |
68 |
189 |
249 |
Static Molds |
57 |
46 |
23 |
27 |
36 |
189 |
377 |
Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems |
31 |
27 |
37 |
41 |
50 |
186 |
494 |
Imperforate Bowl: Centrifugal Separators |
54 |
32 |
37 |
29 |
33 |
185 |
432 |
Heating |
38 |
32 |
40 |
30 |
44 |
184 |
028 |
Textiles: Manufacturing |
45 |
42 |
38 |
33 |
24 |
182 |
232 |
Deposit and Collection Receptacles |
37 |
52 |
42 |
22 |
22 |
175 |
184 |
Lubrication |
41 |
34 |
31 |
18 |
50 |
174 |
063 |
Jewelry |
40 |
38 |
37 |
25 |
29 |
169 |
460 |
Crop Threshing or Separating |
38 |
33 |
26 |
34 |
38 |
169 |
332 |
Modulators |
25 |
29 |
18 |
32 |
64 |
168 |
203 |
Distillation: Processes, Separatory |
35 |
31 |
33 |
40 |
28 |
167 |
051 |
Abrasive Tool Making Process, Material, or Composition |
31 |
45 |
29 |
40 |
21 |
166 |
420 |
Alloys or Metallic Compositions |
18 |
17 |
32 |
38 |
60 |
165 |
125 |
Stone Working |
62 |
30 |
30 |
13 |
29 |
164 |
059 |
Chain, Staple, and Horseshoe Making |
30 |
28 |
34 |
34 |
26 |
152 |
283 |
Printed Matter |
31 |
24 |
30 |
18 |
46 |
149 |
019 |
Textiles: Fiber Preparation |
28 |
15 |
27 |
32 |
46 |
148 |
406 |
Conveyors: Fluid Current |
33 |
28 |
27 |
30 |
30 |
148 |
038 |
Textiles: Ironing or Smoothing |
39 |
27 |
26 |
22 |
30 |
144 |
279 |
Chucks or Sockets |
23 |
34 |
29 |
24 |
34 |
144 |
505 |
Superconductor Technology: Apparatus, Material, Process |
23 |
20 |
14 |
33 |
52 |
142 |
512 |
Perfume Compositions |
29 |
34 |
18 |
22 |
39 |
142 |
588 |
Hazardous or Toxic Waste Destruction or Containment |
28 |
22 |
20 |
28 |
42 |
140 |
305 |
Wheel Substitutes for Land Vehicles |
27 |
28 |
26 |
20 |
38 |
139 |
027 |
Undertaking |
13 |
42 |
33 |
23 |
22 |
133 |
218 |
High-Voltage Switches with Arc Preventing or Extinguishing Devices |
30 |
22 |
14 |
23 |
36 |
125 |
054 |
Harness for Working Animal |
27 |
34 |
25 |
25 |
9 |
120 |
246 |
Railway Switches and Signals |
26 |
26 |
19 |
20 |
27 |
118 |
483 |
Tool Changing |
27 |
29 |
28 |
21 |
12 |
117 |
190 |
Trunks and Hand-Carried Luggage |
31 |
22 |
21 |
20 |
19 |
113 |
506 |
Combinatorial Chemistry Technology: Method, Library, Apparatus |
0 |
0 |
23 |
28 |
61 |
112 |
476 |
Friction Gear Transmission Systems or Components |
32 |
28 |
21 |
15 |
14 |
110 |
402 |
Binder Device Releasably Engaging Aperture or Notch of Sheet |
16 |
16 |
16 |
20 |
39 |
107 |
007 |
Compound Hand Tools |
39 |
29 |
10 |
13 |
15 |
106 |
202 |
Distillation: Apparatus |
23 |
15 |
21 |
22 |
25 |
106 |
071 |
Chemistry: Fertilizers |
12 |
11 |
14 |
18 |
47 |
102 |
225 |
Severing by Tearing or Breaking |
31 |
17 |
12 |
14 |
19 |
93 |
149 |
Explosive and Thermic Compositions or Charges |
25 |
2 |
8 |
14 |
40 |
89 |
150 |
Purses, Wallets, and Protective Covers |
13 |
17 |
10 |
24 |
25 |
89 |
001 |
** Classification Undetermined ** |
13 |
22 |
11 |
9 |
33 |
88 |
140 |
Wireworking |
33 |
22 |
19 |
7 |
7 |
88 |
238 |
Railways: Surface Track |
19 |
10 |
14 |
10 |
34 |
87 |
492 |
Roll or Roller |
15 |
17 |
12 |
18 |
25 |
87 |
157 |
Wheelwright Machines |
14 |
20 |
18 |
17 |
15 |
84 |
193 |
Conveyors, Chutes, Skids, Guides, and Ways |
19 |
16 |
15 |
19 |
15 |
84 |
453 |
Coin Handling |
20 |
17 |
14 |
16 |
16 |
83 |
329 |
Demodulators |
16 |
9 |
16 |
21 |
19 |
81 |
412 |
Bookbinding: Process and Apparatus |
8 |
9 |
13 |
15 |
34 |
79 |
352 |
Optics: Motion Pictures |
23 |
17 |
12 |
11 |
13 |
76 |
281 |
Books, Strips, and Leaves |
15 |
8 |
13 |
10 |
28 |
74 |
086 |
Ammunition and Explosive-Charge Making |
15 |
12 |
14 |
14 |
18 |
73 |
226 |
Advancing Material of Indeterminate Length |
16 |
21 |
18 |
5 |
10 |
70 |
388 |
Electricity: Motor Control Systems |
13 |
10 |
14 |
11 |
18 |
66 |
213 |
Railway Draft Appliances |
9 |
9 |
10 |
15 |
19 |
62 |
373 |
Industrial Electric Heating Furnaces |
24 |
13 |
11 |
3 |
10 |
61 |
237 |
Heating Systems |
26 |
7 |
11 |
5 |
11 |
60 |
076 |
Metal Tools and Implements, Making |
9 |
16 |
8 |
11 |
14 |
58 |
298 |
Land Vehicles: Dumping |
13 |
11 |
12 |
6 |
16 |
58 |
850 |
Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] |
4 |
1 |
1 |
12 |
36 |
54 |
012 |
Boot and Shoe Making |
9 |
6 |
11 |
9 |
17 |
52 |
127 |
Sugar, Starch, and Carbohydrates |
11 |
12 |
5 |
6 |
15 |
49 |
470 |
Threaded, Headed Fastener, or Washer Making: Process and Apparatus |
14 |
6 |
16 |
6 |
6 |
48 |
191 |
Electricity: Transmission To Vehicles |
12 |
5 |
2 |
11 |
10 |
40 |
201 |
Distillation: Processes, Thermolytic |
9 |
0 |
5 |
9 |
16 |
39 |
087 |
Textiles: Braiding, Netting, and Lace Making |
8 |
11 |
7 |
3 |
9 |
38 |
023 |
Chemistry: Physical Processes |
6 |
4 |
7 |
9 |
11 |
37 |
300 |
Brush, Broom, and Mop Making |
3 |
6 |
8 |
8 |
10 |
35 |
026 |
Textiles: Cloth Finishing |
6 |
9 |
4 |
4 |
9 |
32 |
159 |
Concentrating Evaporators |
7 |
5 |
4 |
7 |
9 |
32 |
109 |
Safes, Bank Protection, or a Related Device |
5 |
6 |
7 |
4 |
7 |
29 |
168 |
Farriery |
3 |
5 |
6 |
9 |
3 |
26 |
178 |
Telegraphy |
10 |
5 |
2 |
1 |
5 |
23 |
289 |
Knots and Knot Tying |
3 |
5 |
4 |
7 |
3 |
22 |
186 |
Merchandising |
3 |
8 |
3 |
4 |
3 |
21 |
413 |
Sheet Metal Container Making |
7 |
4 |
6 |
1 |
2 |
20 |
171 |
Unearthing Plants or Buried Objects |
6 |
1 |
1 |
2 |
7 |
17 |
334 |
Tuners |
4 |
1 |
2 |
3 |
5 |
15 |
449 |
Bee Culture (propagating, raising, caring for bees) |
4 |
1 |
3 |
4 |
3 |
15 |
234 |
Selective Cutting (e.g., Punching) |
8 |
1 |
3 |
0 |
2 |
14 |
346 |
Recorders |
4 |
4 |
2 |
1 |
1 |
12 |
069 |
Leather Manufactures |
0 |
1 |
1 |
4 |
5 |
11 |
260 |
Chemistry of Carbon Compounds |
0 |
1 |
5 |
3 |
2 |
11 |
196 |
Mineral Oils: Apparatus |
2 |
0 |
2 |
4 |
2 |
10 |
217 |
Wooden Receptacles |
1 |
0 |
2 |
0 |
3 |
6 |
231 |
Whips and Whip Apparatus |
0 |
0 |
3 |
1 |
2 |
6 |
291 |
Track Sanders |
1 |
1 |
1 |
2 |
1 |
6 |
295 |
Railway Wheels and Axles |
0 |
1 |
1 |
1 |
3 |
6 |
185 |
Motors: Spring, Weight, or Animal Powered |
1 |
0 |
0 |
2 |
2 |
5 |
245 |
Wire Fabrics and Structure |
2 |
1 |
1 |
0 |
0 |
4 |
462 |
Books, Strips, and Leaves for Manifolding |
1 |
1 |
2 |
0 |
0 |
4 |
079 |
Button Making |
1 |
0 |
0 |
1 |
1 |
3 |
314 |
Electric Lamp and Discharge Devices: Consumable Electrodes |
1 |
0 |
0 |
2 |
0 |
3 |
142 |
Wood Turning |
0 |
0 |
0 |
1 |
0 |
1 |
147 |
Coopering |
0 |
0 |
0 |
0 |
1 |
1 |
ALL |
ALL CLASSES |
173772 |
157282 |
157772 |
167349 |
219614 |
875789 |