257 |
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) |
2640 |
3206 |
4804 |
4978 |
4914 |
20542 |
438 |
Semiconductor Device Manufacturing: Process |
2698 |
3033 |
3763 |
3746 |
3255 |
16495 |
370 |
Multiplex Communications |
2060 |
2313 |
3349 |
3599 |
4118 |
15439 |
424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
2093 |
2295 |
3321 |
3418 |
4079 |
15206 |
455 |
Telecommunications |
1636 |
1679 |
2146 |
2851 |
3954 |
12266 |
345 |
Computer Graphics Processing and Selective Visual Display Systems |
1503 |
1628 |
2187 |
2332 |
3380 |
11030 |
382 |
Image Analysis |
1346 |
1407 |
1816 |
2140 |
3111 |
9820 |
348 |
Television |
1178 |
1416 |
1681 |
2074 |
3234 |
9583 |
532 |
Organic Compounds (includes Classes 532-570) |
1479 |
1524 |
1788 |
1863 |
2074 |
8728 |
347 |
Incremental Printing of Symbolic Information |
1517 |
1432 |
1889 |
1903 |
1810 |
8551 |
365 |
Static Information Storage and Retrieval |
1441 |
1529 |
1820 |
1766 |
1739 |
8295 |
375 |
Pulse or Digital Communications |
1115 |
1114 |
1595 |
1694 |
2544 |
8062 |
361 |
Electricity: Electrical Systems and Devices |
1166 |
1250 |
1571 |
1682 |
1758 |
7427 |
359 |
Optical: Systems and Elements |
1345 |
1408 |
1630 |
1613 |
1395 |
7391 |
349 |
Liquid Crystal Cells, Elements and Systems |
933 |
1337 |
1609 |
1746 |
1750 |
7375 |
520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
957 |
1057 |
1756 |
1748 |
1806 |
7324 |
399 |
Electrophotography |
1140 |
1161 |
1548 |
1659 |
1764 |
7272 |
435 |
Chemistry: Molecular Biology and Microbiology |
1092 |
1101 |
1527 |
1598 |
1569 |
6887 |
428 |
Stock Material or Miscellaneous Articles |
950 |
1048 |
1516 |
1635 |
1646 |
6795 |
358 |
Facsimile and Static Presentation Processing |
946 |
1048 |
1236 |
1454 |
1946 |
6630 |
439 |
Electrical Connectors |
1273 |
1230 |
1473 |
1393 |
1168 |
6537 |
709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
732 |
929 |
1409 |
1526 |
1712 |
6308 |
250 |
Radiant Energy |
1255 |
1268 |
1330 |
1075 |
1184 |
6112 |
369 |
Dynamic Information Storage or Retrieval |
1055 |
972 |
1192 |
1247 |
933 |
5399 |
701 |
DP: Vehicles, Navigation, and Relative Location (Data Processing) |
659 |
689 |
1043 |
1166 |
1796 |
5353 |
707 |
DP: Database and File Management or Data Structures (Data Processing) |
501 |
770 |
1252 |
1263 |
1565 |
5351 |
073 |
Measuring and Testing |
984 |
897 |
1044 |
1041 |
1119 |
5085 |
324 |
Electricity: Measuring and Testing |
872 |
929 |
1135 |
960 |
1041 |
4937 |
429 |
Chemistry: Electrical Current Producing Apparatus, Product, and Process |
497 |
686 |
1190 |
1123 |
1417 |
4913 |
714 |
Error Detection/Correction and Fault Detection/Recovery |
777 |
880 |
969 |
1078 |
1168 |
4872 |
362 |
Illumination |
710 |
797 |
1133 |
999 |
1082 |
4721 |
430 |
Radiation Imagery Chemistry: Process, Composition, or Product Thereof |
787 |
814 |
968 |
972 |
1055 |
4596 |
310 |
Electrical Generator or Motor Structure |
697 |
890 |
1030 |
1077 |
888 |
4582 |
713 |
Support (Electrical Computers and Digital Processing Systems) |
767 |
733 |
891 |
923 |
1164 |
4478 |
128 |
Surgery (includes Class 600) |
488 |
564 |
958 |
953 |
1398 |
4361 |
340 |
Communications: Electrical |
670 |
660 |
885 |
916 |
1139 |
4270 |
313 |
Electric Lamp and Discharge Devices |
613 |
705 |
967 |
992 |
931 |
4208 |
327 |
Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems |
628 |
797 |
1034 |
903 |
795 |
4157 |
356 |
Optics: Measuring and Testing |
790 |
805 |
915 |
845 |
751 |
4106 |
123 |
Internal-Combustion Engines |
964 |
703 |
788 |
695 |
778 |
3928 |
711 |
Memory (Electrical Computers and Digital Processing Systems) |
681 |
591 |
665 |
857 |
1112 |
3906 |
029 |
Metal Working |
529 |
560 |
775 |
782 |
999 |
3645 |
280 |
Land Vehicles |
622 |
574 |
774 |
673 |
571 |
3214 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
553 |
525 |
637 |
672 |
751 |
3138 |
381 |
Electrical Audio Signal Processing Systems and Devices |
278 |
289 |
402 |
660 |
1349 |
2978 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
389 |
369 |
680 |
641 |
749 |
2828 |
700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
417 |
389 |
592 |
635 |
791 |
2824 |
385 |
Optical Waveguides |
756 |
636 |
591 |
381 |
444 |
2808 |
060 |
Power Plants |
384 |
475 |
562 |
578 |
669 |
2668 |
360 |
Dynamic Magnetic Information Storage or Retrieval |
542 |
594 |
504 |
490 |
504 |
2634 |
710 |
Input/Output (Electrical Computers and Digital Data Processing Systems) |
341 |
437 |
622 |
594 |
618 |
2612 |
427 |
Coating Processes |
270 |
346 |
566 |
555 |
714 |
2451 |
343 |
Communications: Radio Wave Antennas |
511 |
489 |
517 |
463 |
454 |
2434 |
318 |
Electricity: Motive Power Systems |
389 |
421 |
457 |
531 |
604 |
2402 |
715 |
DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) |
263 |
395 |
557 |
491 |
685 |
2391 |
386 |
Motion Video Signal Processing for Recording or Reproducing |
391 |
396 |
476 |
509 |
591 |
2363 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
305 |
264 |
454 |
639 |
671 |
2333 |
704 |
DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) |
344 |
329 |
468 |
506 |
663 |
2310 |
341 |
Coded Data Generation or Conversion |
502 |
433 |
466 |
481 |
417 |
2299 |
726 |
Information Security |
243 |
295 |
427 |
518 |
816 |
2299 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
271 |
321 |
547 |
531 |
609 |
2279 |
180 |
Motor Vehicles |
383 |
429 |
520 |
460 |
471 |
2263 |
396 |
Photography |
293 |
520 |
618 |
479 |
332 |
2242 |
604 |
Surgery (Medicators and Receptors) |
270 |
283 |
497 |
544 |
639 |
2233 |
235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
404 |
344 |
428 |
506 |
483 |
2165 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
254 |
252 |
588 |
533 |
534 |
2161 |
315 |
Electric Lamp and Discharge Devices: Systems |
320 |
251 |
343 |
468 |
692 |
2074 |
210 |
Liquid Purification or Separation |
385 |
334 |
392 |
440 |
504 |
2055 |
174 |
Electricity: Conductors and Insulators |
287 |
292 |
362 |
448 |
605 |
1994 |
271 |
Sheet Feeding or Delivering |
268 |
346 |
459 |
463 |
440 |
1976 |
296 |
Land Vehicles: Bodies and Tops |
336 |
329 |
422 |
391 |
438 |
1916 |
398 |
Optical Communications |
324 |
306 |
384 |
381 |
505 |
1900 |
252 |
Compositions |
239 |
256 |
401 |
432 |
556 |
1884 |
378 |
X-Ray or Gamma Ray Systems or Devices |
340 |
387 |
450 |
363 |
309 |
1849 |
716 |
Computer-Aided Design and Analysis of Circuits and Semiconductor Masks |
296 |
282 |
359 |
391 |
499 |
1827 |
606 |
Surgery (instruments) |
162 |
204 |
370 |
407 |
647 |
1790 |
717 |
DP: Software Development, Installation, and Management (Data Processing) |
208 |
242 |
395 |
387 |
548 |
1780 |
219 |
Electric Heating |
312 |
271 |
354 |
325 |
500 |
1762 |
330 |
Amplifiers |
368 |
354 |
398 |
325 |
313 |
1758 |
372 |
Coherent Light Generators |
279 |
338 |
454 |
333 |
284 |
1688 |
423 |
Chemistry of Inorganic Compounds |
208 |
278 |
421 |
368 |
398 |
1673 |
074 |
Machine Element or Mechanism |
267 |
269 |
345 |
357 |
425 |
1663 |
320 |
Electricity: Battery or Capacitor Charging or Discharging |
139 |
291 |
371 |
313 |
500 |
1614 |
342 |
Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) |
209 |
309 |
336 |
361 |
331 |
1546 |
333 |
Wave Transmission Lines and Networks |
268 |
339 |
288 |
310 |
328 |
1533 |
323 |
Electricity: Power Supply or Regulation Systems |
193 |
287 |
341 |
349 |
356 |
1526 |
297 |
Chairs and Seats |
263 |
282 |
333 |
300 |
332 |
1510 |
355 |
Photocopying |
337 |
247 |
274 |
296 |
340 |
1494 |
062 |
Refrigeration |
265 |
226 |
340 |
329 |
331 |
1491 |
530 |
Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof |
293 |
268 |
289 |
344 |
294 |
1488 |
380 |
Cryptography |
206 |
230 |
294 |
318 |
437 |
1485 |
425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
280 |
221 |
306 |
325 |
315 |
1447 |
363 |
Electric Power Conversion Systems |
208 |
252 |
305 |
293 |
355 |
1413 |
326 |
Electronic Digital Logic Circuitry |
298 |
247 |
355 |
321 |
165 |
1386 |
248 |
Supports (e.g., for holding articles, etc.) |
183 |
258 |
318 |
281 |
344 |
1384 |
307 |
Electrical Transmission or Interconnection Systems |
175 |
220 |
286 |
356 |
331 |
1368 |
353 |
Optics: Image Projectors |
217 |
168 |
249 |
393 |
331 |
1358 |
463 |
Amusement Devices: Games |
106 |
116 |
242 |
303 |
581 |
1348 |
379 |
Telephonic Communications |
164 |
225 |
256 |
274 |
401 |
1320 |
106 |
Compositions: Coating or Plastic |
223 |
198 |
302 |
266 |
297 |
1286 |
052 |
Static Structures (e.g., Buildings) |
95 |
167 |
330 |
303 |
387 |
1282 |
200 |
Electricity: Circuit Makers and Breakers |
205 |
236 |
229 |
268 |
317 |
1255 |
415 |
Rotary Kinetic Fluid Motors or Pumps |
162 |
158 |
211 |
247 |
464 |
1242 |
725 |
Interactive Video Distribution Systems |
77 |
195 |
263 |
314 |
376 |
1225 |
204 |
Chemistry: Electrical and Wave Energy |
159 |
153 |
246 |
306 |
357 |
1221 |
331 |
Oscillators |
205 |
223 |
261 |
256 |
211 |
1156 |
800 |
Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes |
162 |
167 |
268 |
277 |
279 |
1153 |
417 |
Pumps |
128 |
136 |
194 |
238 |
442 |
1138 |
166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
183 |
158 |
282 |
226 |
285 |
1134 |
084 |
Music |
224 |
236 |
280 |
216 |
160 |
1116 |
703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
165 |
178 |
228 |
238 |
304 |
1113 |
015 |
Brushing, Scrubbing, and General Cleaning |
159 |
165 |
230 |
261 |
297 |
1112 |
502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
147 |
197 |
301 |
216 |
251 |
1112 |
198 |
Conveyors: Power-Driven |
187 |
174 |
258 |
259 |
229 |
1107 |
137 |
Fluid Handling |
175 |
153 |
221 |
200 |
323 |
1072 |
384 |
Bearings |
158 |
180 |
217 |
224 |
285 |
1064 |
244 |
Aeronautics and Astronautics |
84 |
117 |
184 |
258 |
416 |
1059 |
148 |
Metal Treatment |
141 |
149 |
231 |
229 |
296 |
1046 |
436 |
Chemistry: Analytical and Immunological Testing |
164 |
148 |
243 |
263 |
227 |
1045 |
351 |
Optics: Eye Examining, Vision Testing and Correcting |
195 |
190 |
215 |
218 |
196 |
1014 |
118 |
Coating Apparatus |
146 |
141 |
205 |
231 |
288 |
1011 |
623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
97 |
141 |
207 |
259 |
297 |
1001 |
206 |
Special Receptacle or Package |
169 |
161 |
238 |
193 |
207 |
968 |
072 |
Metal Deforming |
190 |
151 |
174 |
177 |
270 |
962 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
104 |
121 |
202 |
205 |
293 |
925 |
475 |
Planetary Gear Transmission Systems or Components |
146 |
175 |
158 |
180 |
261 |
920 |
451 |
Abrading |
170 |
163 |
168 |
168 |
249 |
918 |
134 |
Cleaning and Liquid Contact with Solids |
116 |
125 |
202 |
231 |
238 |
912 |
416 |
Fluid Reaction Surfaces (i.e., Impellers) |
101 |
107 |
125 |
213 |
362 |
908 |
706 |
DP: Artificial Intelligence (Data Processing) |
111 |
126 |
174 |
224 |
270 |
905 |
720 |
Dynamic Optical Information Storage or Retrieval |
228 |
177 |
147 |
175 |
167 |
894 |
165 |
Heat Exchange |
156 |
169 |
194 |
185 |
187 |
891 |
188 |
Brakes |
175 |
122 |
156 |
186 |
240 |
879 |
222 |
Dispensing (apparatus and process) |
97 |
114 |
211 |
191 |
194 |
807 |
239 |
Fluid Sprinkling, Spraying, and Diffusing |
149 |
125 |
197 |
184 |
147 |
802 |
336 |
Inductor Devices |
141 |
98 |
180 |
189 |
194 |
802 |
473 |
Games Using Tangible Projectile |
155 |
156 |
186 |
158 |
141 |
796 |
055 |
Gas Separation |
131 |
157 |
159 |
184 |
149 |
780 |
008 |
Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers |
146 |
131 |
173 |
181 |
144 |
775 |
016 |
Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) |
100 |
151 |
161 |
190 |
170 |
772 |
477 |
Interrelated Power Delivery Controls, Including Engine Control |
129 |
126 |
142 |
154 |
220 |
771 |
053 |
Package Making |
180 |
142 |
169 |
137 |
137 |
765 |
607 |
Surgery: Light, Thermal, and Electrical Application |
92 |
101 |
139 |
204 |
226 |
762 |
033 |
Geometrical Instruments |
154 |
164 |
169 |
156 |
112 |
755 |
216 |
Etching a Substrate: Processes |
128 |
104 |
124 |
191 |
190 |
737 |
712 |
Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) |
132 |
140 |
185 |
169 |
111 |
737 |
285 |
Pipe Joints or Couplings |
139 |
129 |
174 |
148 |
144 |
734 |
708 |
Arithmetic Processing and Calculating (Electrical Computers) |
132 |
131 |
149 |
143 |
157 |
712 |
290 |
Prime-Mover Dynamo Plants |
114 |
114 |
114 |
160 |
208 |
710 |
162 |
Paper Making and Fiber Liberation |
123 |
109 |
124 |
166 |
185 |
707 |
228 |
Metal Fusion Bonding |
98 |
96 |
187 |
174 |
146 |
701 |
192 |
Clutches and Power-Stop Control |
107 |
113 |
146 |
128 |
201 |
695 |
482 |
Exercise Devices |
110 |
102 |
174 |
202 |
104 |
692 |
101 |
Printing |
149 |
122 |
141 |
142 |
136 |
690 |
242 |
Winding, Tensioning, or Guiding |
164 |
142 |
147 |
127 |
108 |
688 |
241 |
Solid Material Comminution or Disintegration |
98 |
117 |
162 |
162 |
140 |
679 |
510 |
Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions |
105 |
137 |
126 |
170 |
139 |
677 |
501 |
Compositions: Ceramic |
103 |
134 |
132 |
131 |
154 |
654 |
220 |
Receptacles |
58 |
104 |
141 |
146 |
204 |
653 |
205 |
Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions |
86 |
70 |
133 |
149 |
195 |
633 |
414 |
Material or Article Handling |
103 |
95 |
132 |
146 |
142 |
618 |
368 |
Horology: Time Measuring Systems or Devices |
131 |
115 |
130 |
99 |
141 |
616 |
335 |
Electricity: Magnetically Operated Switches, Magnets, and Electromagnets |
67 |
112 |
116 |
122 |
174 |
591 |
718 |
Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) |
55 |
65 |
115 |
102 |
251 |
588 |
270 |
Sheet-Material Associating |
64 |
87 |
116 |
178 |
142 |
587 |
075 |
Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures |
64 |
113 |
132 |
144 |
132 |
585 |
251 |
Valves and Valve Actuation |
105 |
90 |
113 |
110 |
155 |
573 |
367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
124 |
90 |
125 |
110 |
120 |
569 |
152 |
Resilient Tires and Wheels |
88 |
87 |
102 |
123 |
165 |
565 |
474 |
Endless Belt Power Transmission Systems or Components |
71 |
57 |
130 |
172 |
131 |
561 |
312 |
Supports: Cabinet Structure |
59 |
63 |
127 |
116 |
192 |
557 |
374 |
Thermal Measuring and Testing |
77 |
117 |
107 |
107 |
147 |
555 |
117 |
Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor |
154 |
98 |
106 |
76 |
119 |
553 |
719 |
Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) |
86 |
79 |
108 |
126 |
143 |
542 |
445 |
Electric Lamp or Space Discharge Component or Device Manufacturing |
72 |
92 |
115 |
139 |
118 |
536 |
400 |
Typewriting Machines |
114 |
91 |
105 |
103 |
118 |
531 |
418 |
Rotary Expansible Chamber Devices |
106 |
114 |
113 |
88 |
105 |
526 |
099 |
Foods and Beverages: Apparatus |
84 |
83 |
123 |
92 |
139 |
521 |
095 |
Gas Separation: Processes |
62 |
71 |
124 |
123 |
137 |
517 |
096 |
Gas Separation: Apparatus |
88 |
102 |
110 |
88 |
121 |
509 |
187 |
Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle |
107 |
99 |
119 |
90 |
87 |
502 |
030 |
Cutlery |
78 |
81 |
78 |
124 |
132 |
493 |
175 |
Boring or Penetrating the Earth |
91 |
70 |
124 |
111 |
97 |
493 |
024 |
Buckles, Buttons, Clasps, Etc. |
92 |
78 |
89 |
105 |
127 |
491 |
070 |
Locks |
107 |
79 |
80 |
97 |
121 |
484 |
405 |
Hydraulic and Earth Engineering |
77 |
73 |
109 |
123 |
101 |
483 |
164 |
Metal Founding |
54 |
57 |
89 |
126 |
154 |
480 |
083 |
Cutting |
76 |
63 |
91 |
122 |
115 |
467 |
081 |
Tools |
108 |
58 |
88 |
94 |
112 |
460 |
181 |
Acoustics |
67 |
62 |
112 |
104 |
114 |
459 |
292 |
Closure Fasteners |
90 |
76 |
83 |
91 |
115 |
455 |
136 |
Batteries: Thermoelectric and Photoelectric |
27 |
23 |
87 |
142 |
169 |
448 |
065 |
Glass Manufacturing |
63 |
48 |
95 |
113 |
128 |
447 |
303 |
Fluid-Pressure and Analogous Brake Systems |
96 |
63 |
82 |
93 |
113 |
447 |
585 |
Chemistry of Hydrocarbon Compounds |
89 |
80 |
80 |
102 |
95 |
446 |
173 |
Tool Driving or Impacting |
83 |
62 |
85 |
99 |
113 |
442 |
005 |
Beds |
70 |
84 |
103 |
87 |
94 |
438 |
002 |
Apparel |
61 |
40 |
112 |
113 |
108 |
434 |
464 |
Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts |
70 |
51 |
101 |
90 |
111 |
423 |
114 |
Ships |
94 |
62 |
65 |
92 |
107 |
420 |
401 |
Coating Implements with Material Supply |
83 |
62 |
81 |
90 |
102 |
418 |
068 |
Textiles: Fluid Treating Apparatus |
73 |
83 |
79 |
87 |
93 |
415 |
433 |
Dentistry |
60 |
41 |
90 |
86 |
134 |
411 |
366 |
Agitating (e.g., of articles and materials) |
78 |
50 |
73 |
83 |
123 |
407 |
141 |
Fluent Material Handling, with Receiver or Receiver Coacting Means |
54 |
47 |
79 |
75 |
143 |
398 |
034 |
Drying and Gas or Vapor Contact with Solids |
96 |
49 |
44 |
90 |
109 |
388 |
209 |
Classifying, Separating, and Assorting Solids |
66 |
52 |
71 |
105 |
92 |
386 |
440 |
Marine Propulsion |
99 |
82 |
49 |
67 |
89 |
386 |
119 |
Animal Husbandry |
49 |
59 |
76 |
89 |
112 |
385 |
277 |
Seal for a Joint or Juncture |
50 |
35 |
89 |
94 |
107 |
375 |
403 |
Joints and Connections |
76 |
66 |
73 |
66 |
86 |
367 |
049 |
Movable or Removable Closures |
38 |
63 |
83 |
69 |
104 |
357 |
208 |
Mineral Oils: Processes and Products |
61 |
68 |
88 |
74 |
64 |
355 |
227 |
Elongated-Member-Driving Apparatus |
64 |
61 |
80 |
83 |
59 |
347 |
411 |
Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener |
36 |
32 |
76 |
83 |
101 |
328 |
504 |
Plant Protecting and Regulating Compositions |
35 |
43 |
71 |
57 |
119 |
325 |
508 |
Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions |
22 |
36 |
75 |
82 |
109 |
324 |
138 |
Pipes and Tubular Conduits |
45 |
72 |
66 |
66 |
72 |
321 |
160 |
Flexible or Portable Closure, Partition, or Panel |
50 |
45 |
86 |
65 |
75 |
321 |
294 |
Handling: Hand and Hoist-Line Implements |
36 |
54 |
55 |
54 |
119 |
318 |
442 |
Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) |
47 |
47 |
99 |
67 |
58 |
318 |
004 |
Baths, Closets, Sinks, and Spittoons |
32 |
25 |
60 |
74 |
120 |
311 |
036 |
Boots, Shoes, and Leggings |
56 |
49 |
63 |
66 |
73 |
307 |
338 |
Electrical Resistors |
33 |
41 |
70 |
83 |
79 |
306 |
266 |
Metallurgical Apparatus |
40 |
50 |
66 |
69 |
68 |
293 |
261 |
Gas and Liquid Contact Apparatus |
46 |
52 |
54 |
63 |
77 |
292 |
601 |
Surgery: Kinesitherapy |
34 |
43 |
63 |
77 |
74 |
291 |
056 |
Harvesters |
53 |
52 |
63 |
61 |
60 |
289 |
040 |
Card, Picture, or Sign Exhibiting |
53 |
53 |
66 |
47 |
64 |
283 |
267 |
Spring Devices |
62 |
39 |
47 |
56 |
75 |
279 |
102 |
Ammunition and Explosives |
40 |
42 |
58 |
61 |
76 |
277 |
092 |
Expansible Chamber Devices |
63 |
46 |
60 |
49 |
51 |
269 |
112 |
Sewing |
46 |
43 |
39 |
68 |
73 |
269 |
602 |
Surgery: Splint, Brace, or Bandage |
37 |
34 |
60 |
72 |
61 |
264 |
407 |
Cutters, for Shaping |
45 |
56 |
46 |
56 |
51 |
254 |
493 |
Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web |
69 |
45 |
53 |
38 |
46 |
251 |
126 |
Stoves and Furnaces |
26 |
29 |
64 |
55 |
69 |
243 |
269 |
Work Holders |
28 |
19 |
31 |
62 |
102 |
242 |
273 |
Amusement Devices: Games |
38 |
49 |
60 |
50 |
45 |
242 |
132 |
Toilet |
29 |
38 |
36 |
53 |
84 |
240 |
211 |
Supports: Racks |
26 |
15 |
49 |
77 |
68 |
235 |
446 |
Amusement Devices: Toys |
43 |
37 |
45 |
48 |
60 |
233 |
254 |
Implements or Apparatus for Applying Pushing or Pulling Force |
53 |
41 |
40 |
34 |
63 |
231 |
215 |
Bottles and Jars |
22 |
34 |
45 |
46 |
78 |
225 |
089 |
Ordnance |
26 |
40 |
52 |
53 |
51 |
222 |
408 |
Cutting by Use of Rotating Axially Moving Tool |
49 |
45 |
41 |
36 |
51 |
222 |
392 |
Electric Resistance Heating Devices |
33 |
37 |
44 |
57 |
50 |
221 |
048 |
Gas: Heating and Illuminating |
33 |
36 |
40 |
43 |
58 |
210 |
409 |
Gear Cutting, Milling, or Planing |
52 |
42 |
33 |
49 |
34 |
210 |
047 |
Plant Husbandry |
17 |
31 |
51 |
53 |
55 |
207 |
139 |
Textiles: Weaving |
47 |
61 |
51 |
25 |
22 |
206 |
377 |
Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems |
28 |
34 |
44 |
44 |
55 |
205 |
404 |
Road Structure, Process, or Apparatus |
32 |
47 |
30 |
48 |
48 |
205 |
066 |
Textiles: Knitting |
37 |
43 |
52 |
46 |
21 |
199 |
177 |
Weighing Scales |
44 |
36 |
39 |
32 |
46 |
197 |
431 |
Combustion |
21 |
39 |
37 |
54 |
44 |
195 |
042 |
Firearms |
27 |
37 |
43 |
33 |
54 |
194 |
057 |
Textiles: Spinning, Twisting, and Twining |
42 |
24 |
42 |
41 |
45 |
194 |
503 |
Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor |
30 |
27 |
25 |
46 |
66 |
194 |
108 |
Horizontally Supported Planar Surfaces |
21 |
25 |
46 |
46 |
55 |
193 |
454 |
Ventilation |
34 |
45 |
38 |
31 |
41 |
189 |
507 |
Earth Boring, Well Treating, and Oil Field Chemistry |
19 |
24 |
48 |
55 |
38 |
184 |
037 |
Excavating |
16 |
46 |
55 |
33 |
30 |
180 |
104 |
Railways |
25 |
36 |
46 |
31 |
41 |
179 |
144 |
Woodworking |
32 |
28 |
45 |
47 |
27 |
179 |
452 |
Butchering |
29 |
38 |
43 |
28 |
37 |
175 |
293 |
Vehicle Fenders |
30 |
25 |
29 |
44 |
46 |
174 |
135 |
Tent, Canopy, Umbrella, or Cane |
38 |
35 |
25 |
41 |
34 |
173 |
516 |
Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting |
17 |
33 |
52 |
39 |
32 |
173 |
420 |
Alloys or Metallic Compositions |
19 |
31 |
36 |
40 |
45 |
171 |
124 |
Mechanical Guns and Projectors |
19 |
30 |
39 |
42 |
40 |
170 |
322 |
Electricity: Single Generator Systems |
30 |
45 |
26 |
32 |
37 |
170 |
376 |
Induced Nuclear Reactions: Processes, Systems, and Elements |
22 |
15 |
35 |
45 |
52 |
169 |
044 |
Fuel and Related Compositions |
31 |
29 |
31 |
36 |
41 |
168 |
082 |
Turning (e.g., for metal working) |
21 |
26 |
35 |
41 |
38 |
161 |
194 |
Check-Actuated Control Mechanisms |
12 |
25 |
46 |
25 |
51 |
159 |
301 |
Land Vehicles: Wheels and Axles |
35 |
32 |
22 |
45 |
25 |
159 |
091 |
Motors: Expansible Chamber Type |
35 |
32 |
23 |
39 |
27 |
156 |
100 |
Presses |
50 |
25 |
21 |
20 |
38 |
154 |
505 |
Superconductor Technology: Apparatus, Material, Process |
7 |
20 |
28 |
29 |
70 |
154 |
236 |
Automatic Temperature and Humidity Regulation |
12 |
14 |
47 |
39 |
38 |
150 |
434 |
Education and Demonstration |
24 |
12 |
29 |
34 |
51 |
150 |
105 |
Railway Rolling Stock |
20 |
22 |
30 |
32 |
44 |
148 |
224 |
Package and Article Carriers |
15 |
15 |
22 |
38 |
54 |
144 |
332 |
Modulators |
15 |
20 |
38 |
36 |
32 |
141 |
218 |
High-Voltage Switches with Arc Preventing or Extinguishing Devices |
10 |
11 |
28 |
27 |
64 |
140 |
337 |
Electricity: Electrothermally or Thermally Actuated Switches |
25 |
33 |
36 |
20 |
25 |
139 |
184 |
Lubrication |
19 |
10 |
26 |
41 |
41 |
137 |
221 |
Article Dispensing |
25 |
22 |
33 |
32 |
24 |
136 |
432 |
Heating |
25 |
23 |
31 |
28 |
26 |
133 |
419 |
Powder Metallurgy Processes |
20 |
20 |
41 |
29 |
17 |
127 |
122 |
Liquid Heaters and Vaporizers |
21 |
26 |
21 |
23 |
33 |
124 |
212 |
Traversing Hoists |
28 |
24 |
27 |
15 |
27 |
121 |
229 |
Envelopes, Wrappers, and Paperboard Boxes |
21 |
19 |
31 |
29 |
21 |
121 |
172 |
Earth Working |
12 |
21 |
30 |
30 |
25 |
118 |
131 |
Tobacco |
13 |
18 |
29 |
31 |
25 |
116 |
019 |
Textiles: Fiber Preparation |
21 |
26 |
36 |
24 |
8 |
115 |
410 |
Freight Accommodation On Freight Carrier |
21 |
19 |
20 |
26 |
29 |
115 |
299 |
Mining or In Situ Disintegration of Hard Material |
27 |
18 |
16 |
24 |
27 |
112 |
203 |
Distillation: Processes, Separatory |
20 |
30 |
15 |
20 |
25 |
110 |
279 |
Chucks or Sockets |
13 |
11 |
19 |
26 |
40 |
109 |
059 |
Chain, Staple, and Horseshoe Making |
26 |
28 |
22 |
15 |
17 |
108 |
116 |
Signals and Indicators |
19 |
18 |
25 |
27 |
16 |
105 |
494 |
Imperforate Bowl: Centrifugal Separators |
23 |
14 |
19 |
24 |
24 |
104 |
518 |
Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof |
16 |
14 |
32 |
22 |
20 |
104 |
038 |
Textiles: Ironing or Smoothing |
20 |
16 |
21 |
15 |
31 |
103 |
383 |
Flexible Bags |
11 |
15 |
24 |
26 |
25 |
101 |
850 |
Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] |
1 |
7 |
19 |
32 |
40 |
99 |
182 |
Fire Escape, Ladder, or Scaffold |
5 |
9 |
15 |
32 |
36 |
97 |
051 |
Abrasive Tool Making Process, Material, or Composition |
13 |
12 |
13 |
29 |
28 |
95 |
111 |
Planting |
20 |
19 |
21 |
19 |
16 |
95 |
014 |
Bridges |
13 |
17 |
22 |
20 |
22 |
94 |
028 |
Textiles: Manufacturing |
29 |
18 |
18 |
11 |
15 |
91 |
441 |
Buoys, Rafts, and Aquatic Devices |
14 |
15 |
21 |
14 |
24 |
88 |
472 |
Amusement Devices |
10 |
4 |
24 |
30 |
20 |
88 |
043 |
Fishing, Trapping, and Vermin Destroying |
12 |
17 |
18 |
18 |
22 |
87 |
283 |
Printed Matter |
11 |
9 |
23 |
14 |
28 |
85 |
492 |
Roll or Roller |
8 |
14 |
19 |
21 |
23 |
85 |
249 |
Static Molds |
9 |
12 |
18 |
20 |
25 |
84 |
329 |
Demodulators |
10 |
15 |
17 |
19 |
23 |
84 |
110 |
Furnaces |
12 |
7 |
24 |
13 |
26 |
82 |
305 |
Wheel Substitutes for Land Vehicles |
13 |
13 |
24 |
19 |
13 |
82 |
450 |
Foundation Garments |
21 |
10 |
13 |
13 |
24 |
81 |
512 |
Perfume Compositions |
10 |
15 |
27 |
11 |
16 |
79 |
412 |
Bookbinding: Process and Apparatus |
8 |
8 |
22 |
18 |
20 |
76 |
071 |
Chemistry: Fertilizers |
10 |
5 |
22 |
16 |
21 |
74 |
506 |
Combinatorial Chemistry Technology: Method, Library, Apparatus |
4 |
7 |
30 |
19 |
14 |
74 |
406 |
Conveyors: Fluid Current |
14 |
17 |
12 |
10 |
19 |
72 |
238 |
Railways: Surface Track |
4 |
4 |
20 |
20 |
20 |
68 |
483 |
Tool Changing |
22 |
17 |
8 |
7 |
13 |
67 |
149 |
Explosive and Thermic Compositions or Charges |
3 |
5 |
14 |
23 |
20 |
65 |
256 |
Fences |
13 |
10 |
11 |
15 |
14 |
63 |
402 |
Binder Device Releasably Engaging Aperture or Notch of Sheet |
8 |
12 |
23 |
10 |
9 |
62 |
223 |
Apparel Apparatus |
11 |
8 |
15 |
11 |
16 |
61 |
588 |
Hazardous or Toxic Waste Destruction or Containment |
6 |
9 |
19 |
8 |
19 |
61 |
169 |
Fire Extinguishers |
11 |
6 |
15 |
9 |
19 |
60 |
125 |
Stone Working |
14 |
7 |
8 |
18 |
12 |
59 |
460 |
Crop Threshing or Separating |
6 |
8 |
14 |
10 |
20 |
58 |
202 |
Distillation: Apparatus |
9 |
11 |
11 |
13 |
13 |
57 |
388 |
Electricity: Motor Control Systems |
10 |
7 |
13 |
11 |
6 |
47 |
476 |
Friction Gear Transmission Systems or Components |
10 |
14 |
6 |
6 |
10 |
46 |
453 |
Coin Handling |
12 |
11 |
11 |
3 |
5 |
42 |
063 |
Jewelry |
11 |
6 |
7 |
9 |
8 |
41 |
127 |
Sugar, Starch, and Carbohydrates |
3 |
2 |
6 |
13 |
17 |
41 |
225 |
Severing by Tearing or Breaking |
6 |
8 |
10 |
5 |
12 |
41 |
300 |
Brush, Broom, and Mop Making |
8 |
8 |
5 |
8 |
12 |
41 |
023 |
Chemistry: Physical Processes |
5 |
7 |
7 |
12 |
9 |
40 |
157 |
Wheelwright Machines |
8 |
10 |
9 |
4 |
5 |
36 |
190 |
Trunks and Hand-Carried Luggage |
6 |
7 |
10 |
10 |
3 |
36 |
191 |
Electricity: Transmission To Vehicles |
0 |
7 |
10 |
9 |
10 |
36 |
193 |
Conveyors, Chutes, Skids, Guides, and Ways |
5 |
11 |
5 |
7 |
8 |
36 |
226 |
Advancing Material of Indeterminate Length |
12 |
3 |
8 |
10 |
2 |
35 |
246 |
Railway Switches and Signals |
4 |
9 |
5 |
8 |
6 |
32 |
237 |
Heating Systems |
8 |
3 |
7 |
6 |
6 |
30 |
201 |
Distillation: Processes, Thermolytic |
2 |
2 |
6 |
11 |
7 |
28 |
352 |
Optics: Motion Pictures |
4 |
4 |
7 |
7 |
6 |
28 |
213 |
Railway Draft Appliances |
4 |
6 |
6 |
4 |
7 |
27 |
076 |
Metal Tools and Implements, Making |
5 |
7 |
1 |
3 |
10 |
26 |
178 |
Telegraphy |
1 |
0 |
4 |
7 |
13 |
25 |
087 |
Textiles: Braiding, Netting, and Lace Making |
4 |
2 |
6 |
5 |
7 |
24 |
140 |
Wireworking |
6 |
3 |
4 |
7 |
4 |
24 |
027 |
Undertaking |
4 |
6 |
5 |
4 |
4 |
23 |
054 |
Harness for Working Animal |
5 |
7 |
2 |
6 |
3 |
23 |
232 |
Deposit and Collection Receptacles |
5 |
2 |
6 |
3 |
6 |
22 |
086 |
Ammunition and Explosive-Charge Making |
5 |
2 |
5 |
7 |
2 |
21 |
470 |
Threaded, Headed Fastener, or Washer Making: Process and Apparatus |
9 |
3 |
1 |
4 |
4 |
21 |
012 |
Boot and Shoe Making |
4 |
3 |
4 |
4 |
5 |
20 |
281 |
Books, Strips, and Leaves |
2 |
2 |
5 |
2 |
7 |
18 |
159 |
Concentrating Evaporators |
2 |
4 |
5 |
1 |
4 |
16 |
298 |
Land Vehicles: Dumping |
1 |
1 |
3 |
5 |
6 |
16 |
026 |
Textiles: Cloth Finishing |
2 |
3 |
3 |
2 |
4 |
14 |
069 |
Leather Manufactures |
1 |
3 |
5 |
3 |
2 |
14 |
109 |
Safes, Bank Protection, or a Related Device |
3 |
2 |
3 |
1 |
4 |
13 |
150 |
Purses, Wallets, and Protective Covers |
0 |
2 |
4 |
2 |
3 |
11 |
373 |
Industrial Electric Heating Furnaces |
2 |
1 |
3 |
4 |
1 |
11 |
171 |
Unearthing Plants or Buried Objects |
0 |
0 |
2 |
5 |
3 |
10 |
413 |
Sheet Metal Container Making |
4 |
0 |
2 |
1 |
3 |
10 |
260 |
Chemistry of Carbon Compounds |
5 |
1 |
2 |
1 |
0 |
9 |
185 |
Motors: Spring, Weight, or Animal Powered |
0 |
2 |
1 |
2 |
2 |
7 |
334 |
Tuners |
1 |
2 |
4 |
0 |
0 |
7 |
168 |
Farriery |
1 |
3 |
1 |
0 |
1 |
6 |
196 |
Mineral Oils: Apparatus |
0 |
3 |
1 |
1 |
1 |
6 |
449 |
Bee Culture (propagating, raising, caring for bees) |
2 |
1 |
2 |
1 |
0 |
6 |
007 |
Compound Hand Tools |
1 |
1 |
3 |
0 |
0 |
5 |
346 |
Recorders |
0 |
1 |
0 |
1 |
3 |
5 |
289 |
Knots and Knot Tying |
0 |
2 |
0 |
2 |
0 |
4 |
295 |
Railway Wheels and Axles |
0 |
1 |
3 |
0 |
0 |
4 |
231 |
Whips and Whip Apparatus |
1 |
0 |
1 |
1 |
0 |
3 |
234 |
Selective Cutting (e.g., Punching) |
2 |
0 |
1 |
0 |
0 |
3 |
245 |
Wire Fabrics and Structure |
1 |
0 |
0 |
2 |
0 |
3 |
079 |
Button Making |
0 |
1 |
1 |
0 |
0 |
2 |
186 |
Merchandising |
0 |
0 |
0 |
2 |
0 |
2 |
217 |
Wooden Receptacles |
0 |
0 |
0 |
1 |
1 |
2 |
291 |
Track Sanders |
1 |
0 |
0 |
0 |
1 |
2 |
001 |
** Classification Undetermined ** |
0 |
0 |
0 |
0 |
1 |
1 |
147 |
Coopering |
0 |
0 |
0 |
1 |
0 |
1 |
314 |
Electric Lamp and Discharge Devices: Consumable Electrodes |
0 |
1 |
0 |
0 |
0 |
1 |
462 |
Books, Strips, and Leaves for Manifolding |
1 |
0 |
0 |
0 |
0 |
1 |
ALL |
ALL CLASSES |
80270 |
84967 |
111823 |
115883 |
132129 |
525072 |