424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
7283 |
7527 |
6951 |
5170 |
4487 |
31418 |
438 |
Semiconductor Device Manufacturing: Process |
5664 |
5470 |
5108 |
5107 |
4460 |
25809 |
257 |
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) |
2972 |
3573 |
4288 |
4691 |
4284 |
19808 |
435 |
Chemistry: Molecular Biology and Microbiology |
3984 |
3600 |
3174 |
2717 |
2415 |
15890 |
520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
3691 |
3587 |
3392 |
3035 |
2139 |
15844 |
428 |
Stock Material or Miscellaneous Articles |
2948 |
3094 |
3187 |
3211 |
2257 |
14697 |
532 |
Organic Compounds (includes Classes 532-570) |
3289 |
3578 |
2823 |
2391 |
2124 |
14205 |
370 |
Multiplex Communications |
1936 |
2236 |
2588 |
2923 |
2752 |
12435 |
128 |
Surgery (includes Class 600) |
2244 |
2454 |
2690 |
2098 |
1603 |
11089 |
365 |
Static Information Storage and Retrieval |
1969 |
1962 |
1952 |
2005 |
2018 |
9906 |
345 |
Computer Graphics Processing and Selective Visual Display Systems |
1870 |
1860 |
1876 |
2161 |
2004 |
9771 |
455 |
Telecommunications |
1814 |
1765 |
1714 |
2153 |
2270 |
9716 |
439 |
Electrical Connectors |
2229 |
1972 |
1710 |
1989 |
1805 |
9705 |
359 |
Optics: Systems and Elements |
1772 |
1842 |
1904 |
2083 |
2008 |
9609 |
073 |
Measuring and Testing |
1566 |
1682 |
2050 |
1725 |
1778 |
8801 |
324 |
Electricity: Measuring and Testing |
1478 |
1906 |
1848 |
1836 |
1698 |
8766 |
385 |
Optical Waveguides |
1318 |
1611 |
1906 |
2005 |
1915 |
8755 |
361 |
Electricity: Electrical Systems and Devices |
1609 |
1935 |
1892 |
1855 |
1452 |
8743 |
123 |
Internal-Combustion Engines |
1745 |
1769 |
1744 |
1664 |
1624 |
8546 |
347 |
Incremental Printing of Symbolic Information |
1755 |
1877 |
1711 |
1581 |
1337 |
8261 |
250 |
Radiant Energy |
1308 |
1508 |
1749 |
1866 |
1550 |
7981 |
375 |
Pulse or Digital Communications |
1355 |
1459 |
1575 |
1669 |
1565 |
7623 |
430 |
Radiation Imagery Chemistry: Process, Composition, or Product Thereof |
1739 |
1621 |
1589 |
1507 |
1069 |
7525 |
382 |
Image Analysis |
1411 |
1236 |
1623 |
1776 |
1359 |
7405 |
340 |
Communications: Electrical |
1428 |
1305 |
1098 |
1480 |
1485 |
6796 |
029 |
Metal Working |
1375 |
1252 |
1466 |
1396 |
1243 |
6732 |
709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
1138 |
1231 |
1164 |
1563 |
1585 |
6681 |
707 |
DP: Database and File Management or Data Structures (Data Processing) |
1005 |
1331 |
1401 |
1492 |
1238 |
6467 |
327 |
Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems |
1406 |
1451 |
1254 |
1203 |
1065 |
6379 |
606 |
Surgery (instruments) |
1428 |
1244 |
1629 |
1130 |
907 |
6338 |
280 |
Land Vehicles |
1496 |
1372 |
1154 |
1145 |
1110 |
6277 |
604 |
Surgery (Medicators and Receptors) |
1240 |
1259 |
1709 |
1149 |
869 |
6226 |
360 |
Dynamic Magnetic Information Storage or Retrieval |
1117 |
1193 |
1246 |
1464 |
1130 |
6150 |
701 |
DP: Vehicles, Navigation, and Relative Location (Data Processing) |
1250 |
1263 |
1195 |
1209 |
1171 |
6088 |
711 |
Memory (Electrical Computers and Digital Processing Systems) |
1005 |
1175 |
1255 |
1313 |
1289 |
6037 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
571 |
950 |
1294 |
1514 |
1484 |
5813 |
714 |
Error Detection/Correction and Fault Detection/Recovery |
979 |
955 |
1266 |
1265 |
1173 |
5638 |
348 |
Television |
1008 |
1043 |
1068 |
1270 |
1091 |
5480 |
219 |
Electric Heating |
1129 |
1116 |
1045 |
1085 |
950 |
5325 |
310 |
Electrical Generator or Motor Structure |
997 |
983 |
873 |
1362 |
1105 |
5320 |
379 |
Telephonic Communications |
965 |
991 |
1063 |
1302 |
936 |
5257 |
210 |
Liquid Purification or Separation |
1228 |
1053 |
1001 |
1000 |
895 |
5177 |
356 |
Optics: Measuring and Testing |
704 |
883 |
1260 |
1219 |
1097 |
5163 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
1063 |
1059 |
1190 |
1047 |
748 |
5107 |
710 |
Input/Output (Electrical Computers and Digital Processing Systems) |
906 |
861 |
977 |
1258 |
953 |
4955 |
362 |
Illumination |
963 |
980 |
1088 |
920 |
955 |
4906 |
060 |
Power Plants |
1022 |
971 |
940 |
950 |
946 |
4829 |
399 |
Electrophotography |
935 |
938 |
926 |
973 |
894 |
4666 |
700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
661 |
840 |
1021 |
1123 |
998 |
4643 |
062 |
Refrigeration |
1039 |
1096 |
1018 |
813 |
660 |
4626 |
427 |
Coating Processes |
955 |
1002 |
1001 |
938 |
691 |
4587 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
996 |
883 |
999 |
984 |
659 |
4521 |
052 |
Static Structures (e.g., Buildings) |
1138 |
980 |
852 |
775 |
683 |
4428 |
429 |
Chemistry: Electrical Current Producing Apparatus, Product, and Process |
786 |
887 |
924 |
939 |
763 |
4299 |
369 |
Dynamic Information Storage or Retrieval |
829 |
864 |
932 |
929 |
737 |
4291 |
349 |
Liquid Crystal Cells, Elements and Systems |
618 |
625 |
854 |
1005 |
993 |
4095 |
174 |
Electricity: Conductors and Insulators |
910 |
952 |
787 |
750 |
682 |
4081 |
313 |
Electric Lamp and Discharge Devices |
600 |
727 |
1028 |
913 |
690 |
3958 |
358 |
Facsimile and Static Presentation Processing |
672 |
714 |
788 |
825 |
914 |
3913 |
451 |
Abrading |
851 |
791 |
731 |
731 |
734 |
3838 |
137 |
Fluid Handling |
1015 |
719 |
669 |
685 |
693 |
3781 |
296 |
Land Vehicles: Bodies and Tops |
790 |
725 |
758 |
780 |
728 |
3781 |
713 |
Support (Electrical Computers and Digital Processing Systems) |
601 |
565 |
673 |
823 |
992 |
3654 |
343 |
Communications: Radio Wave Antennas |
758 |
776 |
599 |
612 |
781 |
3526 |
341 |
Coded Data Generation or Conversion |
645 |
761 |
721 |
719 |
654 |
3500 |
623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
719 |
703 |
762 |
712 |
518 |
3414 |
235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
511 |
594 |
790 |
812 |
616 |
3323 |
715 |
DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) |
674 |
636 |
636 |
616 |
731 |
3293 |
315 |
Electric Lamp and Discharge Devices: Systems |
614 |
728 |
747 |
643 |
516 |
3248 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
860 |
733 |
680 |
580 |
325 |
3178 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
640 |
642 |
712 |
619 |
527 |
3140 |
248 |
Supports (e.g., for holding articles, etc.) |
684 |
796 |
739 |
495 |
402 |
3116 |
473 |
Games Using Tangible Projectile |
595 |
623 |
663 |
607 |
581 |
3069 |
372 |
Coherent Light Generators |
450 |
440 |
697 |
862 |
602 |
3051 |
716 |
DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) |
405 |
547 |
805 |
645 |
608 |
3010 |
204 |
Chemistry: Electrical and Wave Energy |
721 |
678 |
607 |
518 |
408 |
2932 |
166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
630 |
524 |
595 |
644 |
513 |
2906 |
206 |
Special Receptacle or Package |
680 |
613 |
559 |
486 |
529 |
2867 |
318 |
Electricity: Motive Power Systems |
584 |
577 |
527 |
562 |
558 |
2808 |
607 |
Surgery: Light, Thermal, and Electrical Application |
567 |
578 |
606 |
528 |
510 |
2789 |
297 |
Chairs and Seats |
487 |
554 |
639 |
629 |
479 |
2788 |
326 |
Electronic Digital Logic Circuitry |
582 |
584 |
496 |
544 |
507 |
2713 |
342 |
Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) |
525 |
590 |
575 |
589 |
419 |
2698 |
180 |
Motor Vehicles |
491 |
535 |
580 |
509 |
574 |
2689 |
239 |
Fluid Sprinkling, Spraying, and Diffusing |
479 |
498 |
533 |
632 |
513 |
2655 |
417 |
Pumps |
682 |
644 |
623 |
431 |
270 |
2650 |
222 |
Dispensing (apparatus and process) |
649 |
635 |
445 |
469 |
417 |
2615 |
530 |
Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof |
603 |
568 |
538 |
466 |
440 |
2615 |
704 |
DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) |
610 |
573 |
427 |
529 |
425 |
2564 |
330 |
Amplifiers |
447 |
477 |
552 |
589 |
478 |
2543 |
510 |
Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions |
591 |
615 |
544 |
435 |
310 |
2495 |
378 |
X-Ray or Gamma Ray Systems or Devices |
534 |
598 |
453 |
430 |
464 |
2479 |
800 |
Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes |
569 |
465 |
447 |
535 |
458 |
2474 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
480 |
451 |
431 |
313 |
786 |
2461 |
074 |
Machine Element or Mechanism |
604 |
559 |
492 |
409 |
356 |
2420 |
333 |
Wave Transmission Lines and Networks |
307 |
469 |
589 |
537 |
514 |
2416 |
252 |
Compositions |
507 |
429 |
552 |
526 |
322 |
2336 |
423 |
Chemistry of Inorganic Compounds |
495 |
482 |
490 |
442 |
377 |
2286 |
101 |
Printing |
385 |
438 |
547 |
580 |
334 |
2284 |
015 |
Brushing, Scrubbing, and General Cleaning |
503 |
444 |
500 |
423 |
351 |
2221 |
396 |
Photography |
521 |
570 |
474 |
437 |
218 |
2220 |
134 |
Cleaning and Liquid Contact with Solids |
463 |
512 |
550 |
391 |
302 |
2218 |
198 |
Conveyors: Power-Driven |
522 |
474 |
486 |
412 |
313 |
2207 |
106 |
Compositions: Coating or Plastic |
427 |
473 |
488 |
489 |
313 |
2190 |
118 |
Coating Apparatus |
545 |
486 |
448 |
369 |
304 |
2152 |
002 |
Apparel |
549 |
495 |
336 |
405 |
339 |
2124 |
436 |
Chemistry: Analytical and Immunological Testing |
421 |
457 |
469 |
421 |
345 |
2113 |
242 |
Winding, Tensioning, or Guiding |
442 |
504 |
460 |
367 |
338 |
2111 |
244 |
Aeronautics and Astronautics |
446 |
449 |
439 |
428 |
346 |
2108 |
717 |
DP: Software Development, Installation, and Management (Data Processing) |
507 |
334 |
341 |
417 |
466 |
2065 |
502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
409 |
435 |
402 |
383 |
368 |
1997 |
148 |
Metal Treatment |
468 |
478 |
464 |
345 |
228 |
1983 |
165 |
Heat Exchange |
419 |
373 |
345 |
417 |
424 |
1978 |
414 |
Material or Article Handling |
401 |
461 |
433 |
387 |
287 |
1969 |
053 |
Package Making |
384 |
359 |
418 |
424 |
377 |
1962 |
425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
456 |
408 |
387 |
430 |
274 |
1955 |
463 |
Amusement Devices: Games |
352 |
349 |
456 |
422 |
370 |
1949 |
363 |
Electric Power Conversion Systems |
487 |
484 |
357 |
307 |
291 |
1926 |
033 |
Geometrical Instruments |
338 |
404 |
385 |
374 |
397 |
1898 |
712 |
Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) |
501 |
372 |
308 |
369 |
337 |
1887 |
381 |
Electrical Audio Signal Processing Systems and Devices |
276 |
321 |
398 |
492 |
368 |
1855 |
398 |
Optical Communications |
336 |
402 |
407 |
392 |
307 |
1844 |
005 |
Beds |
343 |
333 |
372 |
403 |
388 |
1839 |
119 |
Animal Husbandry |
356 |
437 |
433 |
298 |
304 |
1828 |
205 |
Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions |
462 |
392 |
349 |
351 |
239 |
1793 |
188 |
Brakes |
479 |
446 |
315 |
251 |
289 |
1780 |
200 |
Electricity: Circuit Makers and Breakers |
275 |
325 |
385 |
418 |
359 |
1762 |
415 |
Rotary Kinetic Fluid Motors or Pumps |
301 |
380 |
383 |
329 |
363 |
1756 |
482 |
Exercise Devices |
370 |
350 |
371 |
364 |
282 |
1737 |
072 |
Metal Deforming |
449 |
342 |
348 |
321 |
259 |
1719 |
220 |
Receptacles |
488 |
399 |
283 |
284 |
229 |
1683 |
386 |
Television Signal Processing for Dynamic Recording or Reproducing |
332 |
372 |
343 |
358 |
262 |
1667 |
162 |
Paper Making and Fiber Liberation |
423 |
427 |
308 |
271 |
192 |
1621 |
004 |
Baths, Closets, Sinks, and Spittoons |
349 |
398 |
329 |
309 |
229 |
1614 |
355 |
Photocopying |
317 |
267 |
295 |
366 |
344 |
1589 |
228 |
Metal Fusion Bonding |
384 |
327 |
301 |
304 |
256 |
1572 |
141 |
Fluent Material Handling, with Receiver or Receiver Coacting Means |
347 |
310 |
286 |
334 |
268 |
1545 |
433 |
Dentistry |
453 |
335 |
266 |
240 |
239 |
1533 |
405 |
Hydraulic and Earth Engineering |
290 |
343 |
332 |
300 |
251 |
1516 |
331 |
Oscillators |
298 |
223 |
343 |
356 |
292 |
1512 |
320 |
Electricity: Battery or Capacitor Charging or Discharging |
397 |
354 |
297 |
251 |
209 |
1508 |
323 |
Electricity: Power Supply or Regulation Systems |
334 |
322 |
291 |
272 |
289 |
1508 |
271 |
Sheet Feeding or Delivering |
358 |
289 |
378 |
251 |
218 |
1494 |
081 |
Tools |
407 |
293 |
228 |
256 |
309 |
1493 |
251 |
Valves and Valve Actuation |
244 |
253 |
283 |
326 |
366 |
1472 |
114 |
Ships |
318 |
273 |
290 |
257 |
321 |
1459 |
084 |
Music |
343 |
305 |
274 |
272 |
234 |
1428 |
384 |
Bearings |
311 |
305 |
297 |
265 |
240 |
1418 |
446 |
Amusement Devices: Toys |
284 |
308 |
368 |
281 |
173 |
1414 |
351 |
Optics: Eye Examining, Vision Testing and Correcting |
292 |
256 |
314 |
309 |
242 |
1413 |
192 |
Clutches and Power-Stop Control |
274 |
295 |
324 |
293 |
225 |
1411 |
285 |
Pipe Joints or Couplings |
290 |
346 |
293 |
229 |
251 |
1409 |
211 |
Supports: Racks |
309 |
300 |
293 |
251 |
225 |
1378 |
030 |
Cutlery |
281 |
304 |
297 |
274 |
221 |
1377 |
277 |
Seal for a Joint or Juncture |
326 |
296 |
263 |
249 |
206 |
1340 |
273 |
Amusement Devices: Games |
310 |
321 |
301 |
216 |
190 |
1338 |
024 |
Buckles, Buttons, Clasps, Etc. |
305 |
357 |
322 |
204 |
144 |
1332 |
400 |
Typewriting Machines |
243 |
262 |
267 |
287 |
263 |
1322 |
307 |
Electrical Transmission or Interconnection Systems |
274 |
287 |
316 |
299 |
142 |
1318 |
708 |
Arithmetic Processing and Calculating (Electrical Computers) |
288 |
254 |
256 |
284 |
230 |
1312 |
099 |
Foods and Beverages: Apparatus |
327 |
276 |
276 |
247 |
173 |
1299 |
083 |
Cutting |
285 |
204 |
260 |
320 |
210 |
1279 |
175 |
Boring or Penetrating the Earth |
304 |
276 |
260 |
228 |
203 |
1271 |
040 |
Card, Picture, or Sign Exhibiting |
262 |
248 |
312 |
246 |
202 |
1270 |
703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
275 |
180 |
168 |
263 |
373 |
1259 |
403 |
Joints and Connections |
293 |
293 |
270 |
239 |
159 |
1254 |
070 |
Locks |
211 |
285 |
307 |
222 |
210 |
1235 |
434 |
Education and Demonstration |
227 |
246 |
269 |
257 |
224 |
1223 |
475 |
Planetary Gear Transmission Systems or Components |
143 |
214 |
310 |
303 |
237 |
1207 |
164 |
Metal Founding |
204 |
259 |
290 |
200 |
218 |
1171 |
353 |
Optics: Image Projectors |
132 |
209 |
253 |
305 |
268 |
1167 |
043 |
Fishing, Trapping, and Vermin Destroying |
206 |
243 |
296 |
222 |
195 |
1162 |
216 |
Etching a Substrate: Processes |
225 |
247 |
259 |
230 |
197 |
1158 |
095 |
Gas Separation: Processes |
227 |
272 |
276 |
217 |
164 |
1156 |
416 |
Fluid Reaction Surfaces (i.e., Impellers) |
238 |
285 |
222 |
212 |
189 |
1146 |
224 |
Package and Article Carriers |
293 |
252 |
225 |
225 |
140 |
1135 |
016 |
Miscellaneous Hardware |
197 |
267 |
259 |
215 |
190 |
1128 |
335 |
Electricity: Magnetically Operated Switches, Magnets, and Electromagnets |
222 |
201 |
204 |
242 |
245 |
1114 |
401 |
Coating Implements with Material Supply |
296 |
237 |
198 |
201 |
181 |
1113 |
075 |
Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures |
272 |
285 |
235 |
189 |
131 |
1112 |
034 |
Drying and Gas or Vapor Contact with Solids |
233 |
253 |
183 |
200 |
193 |
1062 |
312 |
Supports: Cabinet Structure |
207 |
246 |
218 |
208 |
173 |
1052 |
440 |
Marine Propulsion |
223 |
211 |
200 |
205 |
200 |
1039 |
501 |
Compositions: Ceramic |
227 |
228 |
226 |
194 |
158 |
1033 |
303 |
Fluid-Pressure and Analogous Brake Systems |
301 |
247 |
186 |
132 |
142 |
1008 |
036 |
Boots, Shoes, and Leggings |
201 |
193 |
186 |
217 |
196 |
993 |
366 |
Agitating (e.g., of articles and materials) |
241 |
191 |
205 |
182 |
164 |
983 |
008 |
Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers |
187 |
194 |
242 |
211 |
136 |
970 |
725 |
Interactive Video Distribution Systems |
203 |
165 |
203 |
225 |
170 |
966 |
056 |
Harvesters |
181 |
205 |
201 |
178 |
199 |
964 |
585 |
Chemistry of Hydrocarbon Compounds |
221 |
250 |
170 |
158 |
148 |
947 |
152 |
Resilient Tires and Wheels |
170 |
233 |
223 |
169 |
150 |
945 |
336 |
Inductor Devices |
136 |
179 |
202 |
184 |
243 |
944 |
065 |
Glass Manufacturing |
194 |
200 |
202 |
223 |
124 |
943 |
720 |
Dynamic Optical Information Storage or Retrieval |
162 |
184 |
170 |
201 |
220 |
937 |
706 |
DP: Artificial Intelligence (Data Processing) |
153 |
168 |
250 |
157 |
205 |
933 |
160 |
Flexible or Portable Closure, Partition, or Panel |
211 |
172 |
187 |
194 |
168 |
932 |
117 |
Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor |
191 |
187 |
179 |
192 |
177 |
926 |
292 |
Closure Fasteners |
125 |
241 |
238 |
162 |
159 |
925 |
431 |
Combustion |
195 |
171 |
187 |
181 |
169 |
903 |
719 |
Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) |
159 |
147 |
121 |
242 |
234 |
903 |
102 |
Ammunition and Explosives |
213 |
188 |
212 |
150 |
137 |
900 |
241 |
Solid Material Comminution or Disintegration |
173 |
197 |
216 |
156 |
148 |
890 |
209 |
Classifying, Separating, and Assorting Solids |
227 |
175 |
158 |
184 |
143 |
887 |
049 |
Movable or Removable Closures |
194 |
191 |
168 |
187 |
141 |
881 |
380 |
Cryptography |
204 |
167 |
94 |
166 |
238 |
869 |
477 |
Interrelated Power Delivery Controls, Including Engine Control |
146 |
176 |
215 |
162 |
169 |
868 |
047 |
Plant Husbandry |
200 |
221 |
206 |
128 |
103 |
858 |
055 |
Gas Separation |
170 |
190 |
169 |
177 |
149 |
855 |
411 |
Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener |
192 |
176 |
155 |
178 |
142 |
843 |
138 |
Pipes and Tubular Conduits |
215 |
177 |
157 |
135 |
153 |
837 |
454 |
Ventilation |
196 |
176 |
173 |
161 |
129 |
835 |
726 |
Information Security |
205 |
137 |
134 |
222 |
136 |
834 |
504 |
Plant Protecting and Regulating Compositions |
215 |
208 |
166 |
127 |
113 |
829 |
602 |
Surgery: Splint, Brace, or Bandage |
182 |
153 |
184 |
149 |
159 |
827 |
042 |
Firearms |
164 |
189 |
193 |
155 |
119 |
820 |
418 |
Rotary Expansible Chamber Devices |
231 |
170 |
168 |
142 |
95 |
806 |
368 |
Horology: Time Measuring Systems or Devices |
183 |
158 |
166 |
166 |
125 |
798 |
126 |
Stoves and Furnaces |
181 |
122 |
164 |
165 |
154 |
786 |
267 |
Spring Devices |
184 |
221 |
176 |
109 |
82 |
772 |
208 |
Mineral Oils: Processes and Products |
193 |
167 |
151 |
146 |
103 |
760 |
474 |
Endless Belt Power Transmission Systems or Components |
137 |
193 |
171 |
130 |
126 |
757 |
442 |
Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) |
169 |
115 |
169 |
198 |
103 |
754 |
221 |
Article Dispensing |
173 |
141 |
183 |
152 |
98 |
747 |
508 |
Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions |
208 |
156 |
175 |
130 |
70 |
739 |
445 |
Electric Lamp or Space Discharge Component or Device Manufacturing |
106 |
106 |
163 |
186 |
177 |
738 |
294 |
Handling: Hand and Hoist-Line Implements |
195 |
211 |
153 |
81 |
92 |
732 |
181 |
Acoustics |
126 |
152 |
179 |
144 |
126 |
727 |
374 |
Thermal Measuring and Testing |
138 |
137 |
150 |
143 |
158 |
726 |
108 |
Horizontally Supported Planar Surfaces |
151 |
155 |
148 |
159 |
110 |
723 |
182 |
Fire Escape, Ladder, or Scaffold |
130 |
166 |
129 |
153 |
138 |
716 |
096 |
Gas Separation: Apparatus |
130 |
168 |
159 |
142 |
116 |
715 |
718 |
Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) |
123 |
113 |
118 |
178 |
180 |
712 |
367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
148 |
134 |
134 |
143 |
146 |
705 |
136 |
Batteries: Thermoelectric and Photoelectric |
202 |
179 |
147 |
113 |
57 |
698 |
404 |
Road Structure, Process, or Apparatus |
115 |
152 |
149 |
155 |
126 |
697 |
464 |
Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts |
233 |
135 |
102 |
124 |
90 |
684 |
132 |
Toilet |
188 |
168 |
155 |
99 |
64 |
674 |
254 |
Implements or Apparatus for Applying Pushing or Pulling Force |
135 |
138 |
161 |
116 |
123 |
673 |
092 |
Expansible Chamber Devices |
152 |
159 |
144 |
113 |
104 |
672 |
290 |
Prime-Mover Dynamo Plants |
108 |
106 |
98 |
168 |
182 |
662 |
493 |
Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web |
137 |
88 |
151 |
147 |
120 |
643 |
135 |
Tent, Canopy, Umbrella, or Cane |
186 |
133 |
92 |
122 |
82 |
615 |
229 |
Envelopes, Wrappers, and Paperboard Boxes |
188 |
152 |
118 |
58 |
97 |
613 |
261 |
Gas and Liquid Contact Apparatus |
136 |
129 |
124 |
121 |
78 |
588 |
601 |
Surgery: Kinesitherapy |
153 |
118 |
122 |
105 |
88 |
586 |
227 |
Elongated-Member-Driving Apparatus |
94 |
83 |
120 |
148 |
132 |
577 |
089 |
Ordnance |
124 |
118 |
126 |
117 |
87 |
572 |
037 |
Excavating |
106 |
137 |
108 |
114 |
102 |
567 |
301 |
Land Vehicles: Wheels and Axles |
127 |
130 |
119 |
98 |
77 |
551 |
269 |
Work Holders |
123 |
122 |
122 |
95 |
86 |
548 |
187 |
Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle |
131 |
171 |
102 |
70 |
66 |
540 |
215 |
Bottles and Jars |
134 |
116 |
102 |
92 |
90 |
534 |
392 |
Electric Resistance Heating Devices |
129 |
107 |
80 |
87 |
118 |
521 |
376 |
Induced Nuclear Reactions: Processes, Systems, and Elements |
115 |
110 |
110 |
93 |
84 |
512 |
172 |
Earth Working |
127 |
100 |
87 |
97 |
91 |
502 |
112 |
Sewing |
145 |
87 |
65 |
111 |
92 |
500 |
124 |
Mechanical Guns and Projectors |
82 |
77 |
113 |
138 |
80 |
490 |
144 |
Woodworking |
110 |
111 |
121 |
72 |
53 |
467 |
173 |
Tool Driving or Impacting |
91 |
65 |
90 |
115 |
103 |
464 |
409 |
Gear Cutting, Milling, or Planing |
90 |
106 |
97 |
84 |
86 |
463 |
383 |
Flexible Bags |
132 |
100 |
81 |
67 |
82 |
462 |
408 |
Cutting by Use of Rotating Axially Moving Tool |
129 |
86 |
104 |
61 |
81 |
461 |
139 |
Textiles: Weaving |
156 |
97 |
41 |
67 |
95 |
456 |
100 |
Presses |
82 |
56 |
129 |
104 |
82 |
453 |
410 |
Freight Accommodation On Freight Carrier |
88 |
80 |
94 |
103 |
80 |
445 |
091 |
Motors: Expansible Chamber Type |
92 |
104 |
80 |
92 |
69 |
437 |
066 |
Textiles: Knitting |
128 |
71 |
69 |
82 |
81 |
431 |
441 |
Buoys, Rafts, and Aquatic Devices |
92 |
82 |
90 |
81 |
77 |
422 |
044 |
Fuel and Related Compositions |
96 |
76 |
112 |
89 |
46 |
419 |
110 |
Furnaces |
118 |
92 |
50 |
69 |
79 |
408 |
057 |
Textiles: Spinning, Twisting, and Twining |
132 |
98 |
60 |
66 |
50 |
406 |
432 |
Heating |
107 |
88 |
101 |
59 |
48 |
403 |
177 |
Weighing Scales |
69 |
84 |
86 |
94 |
64 |
397 |
105 |
Railway Rolling Stock |
98 |
91 |
81 |
50 |
67 |
387 |
338 |
Electrical Resistors |
99 |
105 |
80 |
52 |
50 |
386 |
104 |
Railways |
92 |
105 |
84 |
57 |
47 |
385 |
266 |
Metallurgical Apparatus |
91 |
88 |
94 |
69 |
43 |
385 |
122 |
Liquid Heaters and Vaporizers |
79 |
81 |
86 |
64 |
64 |
374 |
236 |
Automatic Temperature and Humidity Regulation |
80 |
85 |
75 |
68 |
59 |
367 |
283 |
Printed Matter |
117 |
75 |
55 |
68 |
34 |
349 |
337 |
Electricity: Electrothermally or Thermally Actuated Switches |
48 |
76 |
106 |
81 |
38 |
349 |
051 |
Abrasive Tool Making Process, Material, or Composition |
70 |
77 |
82 |
71 |
41 |
341 |
116 |
Signals and Indicators |
66 |
74 |
65 |
73 |
60 |
338 |
131 |
Tobacco |
61 |
67 |
72 |
92 |
45 |
337 |
419 |
Powder Metallurgy Processes |
75 |
70 |
88 |
63 |
41 |
337 |
082 |
Turning (e.g., for metal working) |
75 |
55 |
109 |
49 |
45 |
333 |
407 |
Cutters, for Shaping |
72 |
38 |
77 |
81 |
63 |
331 |
452 |
Butchering |
100 |
52 |
67 |
50 |
49 |
318 |
293 |
Vehicle Fenders |
61 |
53 |
58 |
69 |
74 |
315 |
507 |
Earth Boring, Well Treating, and Oil Field Chemistry |
65 |
44 |
69 |
83 |
50 |
311 |
256 |
Fences |
69 |
46 |
73 |
57 |
63 |
308 |
503 |
Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor |
78 |
56 |
56 |
67 |
49 |
306 |
420 |
Alloys or Metallic Compositions |
67 |
67 |
59 |
73 |
39 |
305 |
279 |
Chucks or Sockets |
70 |
55 |
76 |
37 |
57 |
295 |
111 |
Planting |
68 |
48 |
66 |
58 |
47 |
287 |
184 |
Lubrication |
69 |
66 |
61 |
41 |
39 |
276 |
516 |
Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting |
72 |
71 |
75 |
35 |
18 |
271 |
223 |
Apparel Apparatus |
85 |
50 |
36 |
55 |
44 |
270 |
149 |
Explosive and Thermic Compositions or Charges |
57 |
43 |
61 |
45 |
62 |
268 |
472 |
Amusement Devices |
45 |
57 |
52 |
56 |
56 |
266 |
068 |
Textiles: Fluid Treating Apparatus |
49 |
79 |
72 |
29 |
33 |
262 |
218 |
High-Voltage Switches with Arc Preventing or Extinguishing Devices |
64 |
60 |
48 |
57 |
33 |
262 |
270 |
Sheet-Material Associating |
61 |
45 |
52 |
66 |
32 |
256 |
194 |
Check-Actuated Control Mechanisms |
65 |
34 |
56 |
45 |
52 |
252 |
125 |
Stone Working |
64 |
61 |
39 |
38 |
47 |
249 |
169 |
Fire Extinguishers |
49 |
52 |
45 |
49 |
49 |
244 |
249 |
Static Molds |
54 |
45 |
45 |
61 |
39 |
244 |
494 |
Imperforate Bowl: Centrifugal Separators |
47 |
48 |
58 |
49 |
38 |
240 |
505 |
Superconductor Technology: Apparatus, Material, Process |
62 |
54 |
51 |
42 |
28 |
237 |
518 |
Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof |
45 |
40 |
51 |
58 |
43 |
237 |
377 |
Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems |
44 |
65 |
31 |
40 |
53 |
233 |
406 |
Conveyors: Fluid Current |
65 |
67 |
48 |
30 |
21 |
231 |
299 |
Mining or In Situ Disintegration of Hard Material |
56 |
53 |
44 |
36 |
36 |
225 |
203 |
Distillation: Processes, Separatory |
40 |
71 |
43 |
33 |
36 |
223 |
322 |
Electricity: Single Generator Systems |
50 |
38 |
37 |
62 |
36 |
223 |
063 |
Jewelry |
36 |
56 |
52 |
43 |
26 |
213 |
028 |
Textiles: Manufacturing |
44 |
51 |
44 |
46 |
23 |
208 |
450 |
Foundation Garments |
52 |
54 |
24 |
39 |
38 |
207 |
014 |
Bridges |
28 |
53 |
37 |
49 |
33 |
200 |
019 |
Textiles: Fiber Preparation |
65 |
52 |
42 |
21 |
20 |
200 |
305 |
Wheel Substitutes for Land Vehicles |
43 |
51 |
46 |
28 |
31 |
199 |
007 |
Compound Hand Tools |
45 |
39 |
33 |
38 |
39 |
194 |
226 |
Advancing Material of Indeterminate Length |
51 |
53 |
43 |
26 |
18 |
191 |
460 |
Crop Threshing or Separating |
33 |
41 |
31 |
44 |
42 |
191 |
071 |
Chemistry: Fertilizers |
62 |
64 |
23 |
27 |
14 |
190 |
492 |
Roll or Roller |
43 |
46 |
38 |
34 |
27 |
188 |
190 |
Trunks and Hand-Carried Luggage |
47 |
39 |
47 |
23 |
26 |
182 |
588 |
Hazardous or Toxic Waste Destruction or Containment |
49 |
60 |
45 |
13 |
15 |
182 |
237 |
Heating Systems |
38 |
38 |
39 |
30 |
23 |
168 |
402 |
Binder Device Releasably Engaging Aperture or Notch of Sheet |
47 |
36 |
33 |
31 |
21 |
168 |
476 |
Friction Gear Transmission Systems or Components |
35 |
36 |
36 |
25 |
30 |
162 |
225 |
Severing by Tearing or Breaking |
26 |
29 |
37 |
37 |
30 |
159 |
212 |
Traversing Hoists |
38 |
30 |
53 |
22 |
14 |
157 |
373 |
Industrial Electric Heating Furnaces |
36 |
42 |
30 |
29 |
14 |
151 |
059 |
Chain, Staple, and Horseshoe Making |
41 |
28 |
29 |
24 |
27 |
149 |
246 |
Railway Switches and Signals |
33 |
37 |
37 |
24 |
16 |
147 |
038 |
Textiles: Ironing or Smoothing |
30 |
36 |
23 |
36 |
20 |
145 |
281 |
Books, Strips, and Leaves |
48 |
34 |
19 |
24 |
16 |
141 |
332 |
Modulators |
32 |
25 |
38 |
21 |
21 |
137 |
054 |
Harness for Working Animal |
24 |
33 |
35 |
31 |
13 |
136 |
238 |
Railways: Surface Track |
32 |
36 |
24 |
23 |
13 |
128 |
352 |
Optics: Motion Pictures |
20 |
18 |
26 |
36 |
21 |
121 |
329 |
Demodulators |
32 |
17 |
24 |
27 |
17 |
117 |
483 |
Tool Changing |
22 |
35 |
22 |
21 |
15 |
115 |
048 |
Gas: Heating and Illuminating |
24 |
7 |
21 |
35 |
27 |
114 |
232 |
Deposit and Collection Receptacles |
23 |
18 |
21 |
25 |
27 |
114 |
512 |
Perfume Compositions |
26 |
23 |
27 |
21 |
16 |
113 |
202 |
Distillation: Apparatus |
25 |
21 |
26 |
21 |
18 |
111 |
453 |
Coin Handling |
24 |
15 |
35 |
27 |
10 |
111 |
298 |
Land Vehicles: Dumping |
25 |
16 |
27 |
24 |
17 |
109 |
193 |
Conveyors, Chutes, Skids, Guides, and Ways |
35 |
28 |
17 |
16 |
11 |
107 |
412 |
Bookbinding: Process and Apparatus |
26 |
26 |
22 |
19 |
13 |
106 |
140 |
Wireworking |
26 |
21 |
28 |
19 |
8 |
102 |
191 |
Electricity: Transmission To Vehicles |
35 |
23 |
15 |
13 |
14 |
100 |
150 |
Purses, Wallets, and Protective Covers |
23 |
18 |
23 |
15 |
9 |
88 |
027 |
Undertaking |
23 |
12 |
25 |
15 |
12 |
87 |
076 |
Metal Tools and Implements, Making |
20 |
18 |
22 |
15 |
10 |
85 |
127 |
Sugar, Starch, and Carbohydrates |
26 |
25 |
12 |
15 |
6 |
84 |
086 |
Ammunition and Explosive-Charge Making |
16 |
15 |
15 |
7 |
14 |
67 |
157 |
Wheelwright Machines |
23 |
8 |
14 |
7 |
12 |
64 |
213 |
Railway Draft Appliances |
22 |
14 |
5 |
14 |
5 |
60 |
300 |
Brush, Broom, and Mop Making |
12 |
12 |
13 |
12 |
8 |
57 |
470 |
Threaded, Headed Fastener, or Washer Making: Process and Apparatus |
12 |
10 |
12 |
13 |
8 |
55 |
178 |
Telegraphy |
14 |
11 |
10 |
14 |
5 |
54 |
109 |
Safes, Bank Protection, or a Related Device |
7 |
12 |
14 |
8 |
12 |
53 |
168 |
Farriery |
10 |
16 |
10 |
10 |
6 |
52 |
388 |
Electricity: Motor Control Systems |
10 |
15 |
8 |
12 |
5 |
50 |
023 |
Chemistry: Physical Processes |
10 |
11 |
8 |
5 |
11 |
45 |
186 |
Merchandising |
6 |
7 |
17 |
10 |
3 |
43 |
026 |
Textiles: Cloth Finishing |
12 |
7 |
9 |
7 |
7 |
42 |
413 |
Sheet Metal Container Making |
3 |
7 |
10 |
12 |
8 |
40 |
012 |
Boot and Shoe Making |
11 |
5 |
9 |
9 |
4 |
38 |
289 |
Knots and Knot Tying |
10 |
7 |
10 |
7 |
4 |
38 |
159 |
Concentrating Evaporators |
5 |
8 |
3 |
7 |
13 |
36 |
087 |
Textiles: Braiding, Netting, and Lace Making |
8 |
11 |
9 |
5 |
2 |
35 |
346 |
Recorders |
12 |
12 |
5 |
2 |
4 |
35 |
171 |
Unearthing Plants or Buried Objects |
4 |
5 |
6 |
5 |
4 |
24 |
449 |
Bee Culture (propagating, raising, caring for bees) |
1 |
6 |
7 |
3 |
3 |
20 |
260 |
Chemistry of Carbon Compounds |
10 |
2 |
2 |
2 |
2 |
18 |
185 |
Motors: Spring, Weight, or Animal Powered |
3 |
6 |
2 |
4 |
2 |
17 |
295 |
Railway Wheels and Axles |
3 |
4 |
5 |
3 |
1 |
16 |
001 |
** Classification Undetermined ** |
0 |
0 |
1 |
1 |
12 |
14 |
069 |
Leather Manufactures |
1 |
1 |
1 |
4 |
7 |
14 |
201 |
Distillation: Processes, Thermolytic |
3 |
1 |
3 |
3 |
4 |
14 |
334 |
Tuners |
2 |
4 |
2 |
1 |
3 |
12 |
462 |
Books, Strips, and Leaves for Manifolding |
5 |
5 |
1 |
1 |
0 |
12 |
291 |
Track Sanders |
0 |
1 |
2 |
1 |
5 |
9 |
234 |
Selective Cutting (e.g., Punching) |
0 |
0 |
2 |
3 |
2 |
7 |
217 |
Wooden Receptacles |
1 |
1 |
1 |
0 |
2 |
5 |
147 |
Coopering |
4 |
0 |
0 |
0 |
0 |
4 |
245 |
Wire Fabrics and Structure |
3 |
0 |
0 |
0 |
1 |
4 |
079 |
Button Making |
0 |
1 |
1 |
0 |
1 |
3 |
142 |
Wood Turning |
2 |
0 |
1 |
0 |
0 |
3 |
196 |
Mineral Oils: Apparatus |
1 |
1 |
0 |
0 |
0 |
2 |
278 |
Land Vehicles: Animal Draft Appliances |
0 |
0 |
1 |
0 |
1 |
2 |
231 |
Whips and Whip Apparatus |
0 |
1 |
0 |
0 |
0 |
1 |
276 |
Typesetting |
0 |
0 |
0 |
1 |
0 |
1 |
314 |
Electric Lamp and Discharge Devices: Consumable Electrodes |
0 |
0 |
0 |
1 |
0 |
1 |
ALL |
ALL CLASSES |
166036 |
167331 |
169023 |
164291 |
143806 |
810487 |