424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
3250 |
2885 |
2663 |
2992 |
4179 |
15969 |
370 |
Multiplex Communications |
2300 |
1842 |
2453 |
2969 |
4032 |
13596 |
709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
1788 |
1680 |
1945 |
2357 |
3220 |
10990 |
438 |
Semiconductor Device Manufacturing: Process |
2078 |
2015 |
1821 |
1873 |
2361 |
10148 |
707 |
DP: Database and File Management or Data Structures (Data Processing) |
1369 |
1216 |
1413 |
2081 |
3190 |
9269 |
435 |
Chemistry: Molecular Biology and Microbiology |
1921 |
1763 |
1588 |
1602 |
2178 |
9052 |
455 |
Telecommunications |
1962 |
1723 |
1479 |
1679 |
2136 |
8979 |
257 |
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) |
1706 |
1546 |
1472 |
1463 |
2067 |
8254 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
1011 |
935 |
1291 |
1596 |
3348 |
8181 |
340 |
Communications: Electrical |
1430 |
1103 |
1228 |
1205 |
1311 |
6277 |
532 |
Organic Compounds (includes Classes 532-570) |
1292 |
1028 |
1145 |
1238 |
1421 |
6124 |
375 |
Pulse or Digital Communications |
1243 |
1086 |
1152 |
1157 |
1413 |
6051 |
714 |
Error Detection/Correction and Fault Detection/Recovery |
1093 |
1123 |
1175 |
1210 |
1408 |
6009 |
382 |
Image Analysis |
1088 |
1034 |
1075 |
1208 |
1521 |
5926 |
128 |
Surgery (includes Class 600) |
1206 |
1035 |
908 |
1074 |
1679 |
5902 |
713 |
Support (Electrical Computers and Digital Processing Systems) |
1070 |
980 |
1083 |
1132 |
1348 |
5613 |
711 |
Memory (Electrical Computers and Digital Processing Systems) |
1132 |
919 |
1056 |
1011 |
1087 |
5205 |
345 |
Computer Graphics Processing and Selective Visual Display Systems |
1199 |
931 |
831 |
944 |
1111 |
5016 |
520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
1098 |
940 |
805 |
860 |
1252 |
4955 |
250 |
Radiant Energy |
1021 |
818 |
950 |
910 |
939 |
4638 |
606 |
Surgery (instruments) |
827 |
780 |
598 |
803 |
1503 |
4511 |
073 |
Measuring and Testing |
971 |
895 |
929 |
827 |
882 |
4504 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
1031 |
909 |
853 |
777 |
898 |
4468 |
365 |
Static Information Storage and Retrieval |
883 |
903 |
885 |
850 |
902 |
4423 |
324 |
Electricity: Measuring and Testing |
1025 |
888 |
820 |
805 |
841 |
4379 |
715 |
DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) |
767 |
724 |
764 |
949 |
1157 |
4361 |
439 |
Electrical Connectors |
888 |
794 |
900 |
838 |
917 |
4337 |
361 |
Electricity: Electrical Systems and Devices |
761 |
863 |
835 |
870 |
921 |
4250 |
385 |
Optical Waveguides |
1000 |
924 |
859 |
678 |
657 |
4118 |
356 |
Optics: Measuring and Testing |
789 |
796 |
871 |
770 |
789 |
4015 |
428 |
Stock Material or Miscellaneous Articles |
824 |
798 |
634 |
654 |
967 |
3877 |
359 |
Optical: Systems and Elements |
860 |
716 |
710 |
618 |
734 |
3638 |
604 |
Surgery (Medicators and Receptors) |
592 |
486 |
478 |
624 |
1221 |
3401 |
379 |
Telephonic Communications |
920 |
675 |
537 |
555 |
676 |
3363 |
235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
610 |
614 |
675 |
671 |
760 |
3330 |
710 |
Input/Output (Electrical Computers and Digital Processing Systems) |
742 |
524 |
566 |
652 |
799 |
3283 |
280 |
Land Vehicles |
606 |
628 |
595 |
596 |
797 |
3222 |
029 |
Metal Working |
749 |
611 |
500 |
557 |
714 |
3131 |
717 |
DP: Software Development, Installation, and Management (Data Processing) |
563 |
520 |
503 |
586 |
919 |
3091 |
360 |
Dynamic Magnetic Information Storage or Retrieval |
790 |
624 |
540 |
539 |
550 |
3043 |
166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
614 |
557 |
559 |
533 |
779 |
3042 |
800 |
Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes |
507 |
614 |
523 |
674 |
715 |
3033 |
362 |
Illumination |
610 |
626 |
484 |
547 |
681 |
2948 |
726 |
Information Security |
377 |
431 |
466 |
686 |
937 |
2897 |
607 |
Surgery: Light, Thermal, and Electrical Application |
583 |
587 |
379 |
506 |
830 |
2885 |
210 |
Liquid Purification or Separation |
546 |
600 |
540 |
510 |
615 |
2811 |
700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
667 |
498 |
485 |
462 |
672 |
2784 |
701 |
DP: Vehicles, Navigation, and Relative Location (Data Processing) |
495 |
495 |
487 |
515 |
746 |
2738 |
530 |
Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof |
481 |
625 |
608 |
478 |
540 |
2732 |
716 |
Computer-Aided Design and Analysis of Circuits and Semiconductor Masks |
644 |
470 |
529 |
507 |
561 |
2711 |
123 |
Internal-Combustion Engines |
615 |
560 |
539 |
432 |
487 |
2633 |
348 |
Television |
556 |
440 |
446 |
522 |
646 |
2610 |
327 |
Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems |
621 |
522 |
406 |
438 |
475 |
2462 |
623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
484 |
421 |
351 |
471 |
719 |
2446 |
704 |
DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) |
505 |
459 |
458 |
433 |
496 |
2351 |
052 |
Static Structures (e.g., Buildings) |
408 |
330 |
303 |
434 |
777 |
2252 |
473 |
Games Using Tangible Projectile |
494 |
433 |
376 |
389 |
548 |
2240 |
060 |
Power Plants |
516 |
373 |
322 |
431 |
584 |
2226 |
358 |
Facsimile and Static Presentation Processing |
451 |
396 |
405 |
402 |
445 |
2099 |
296 |
Land Vehicles: Bodies and Tops |
454 |
426 |
365 |
331 |
438 |
2014 |
703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
452 |
353 |
345 |
385 |
461 |
1996 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
287 |
357 |
345 |
370 |
589 |
1948 |
430 |
Radiation Imagery Chemistry: Process, Composition, or Product Thereof |
442 |
358 |
322 |
314 |
412 |
1848 |
326 |
Electronic Digital Logic Circuitry |
350 |
394 |
359 |
331 |
390 |
1824 |
341 |
Coded Data Generation or Conversion |
388 |
376 |
379 |
311 |
329 |
1783 |
062 |
Refrigeration |
432 |
440 |
291 |
254 |
356 |
1773 |
427 |
Coating Processes |
260 |
290 |
286 |
378 |
547 |
1761 |
174 |
Electricity: Conductors and Insulators |
373 |
358 |
336 |
328 |
309 |
1704 |
342 |
Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) |
327 |
299 |
329 |
375 |
368 |
1698 |
429 |
Chemistry: Electrical Current Producing Apparatus, Product, and Process |
327 |
288 |
249 |
306 |
518 |
1688 |
248 |
Supports (e.g., for holding articles, etc.) |
320 |
302 |
236 |
339 |
488 |
1685 |
219 |
Electric Heating |
473 |
406 |
261 |
215 |
311 |
1666 |
482 |
Exercise Devices |
330 |
246 |
250 |
356 |
476 |
1658 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
329 |
259 |
249 |
272 |
525 |
1634 |
206 |
Special Receptacle or Package |
312 |
265 |
355 |
284 |
393 |
1609 |
347 |
Incremental Printing of Symbolic Information |
340 |
316 |
309 |
245 |
374 |
1584 |
343 |
Communications: Radio Wave Antennas |
372 |
288 |
297 |
295 |
316 |
1568 |
463 |
Amusement Devices: Games |
199 |
218 |
307 |
263 |
559 |
1546 |
398 |
Optical Communications |
292 |
300 |
274 |
328 |
327 |
1521 |
137 |
Fluid Handling |
391 |
289 |
267 |
254 |
307 |
1508 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
360 |
327 |
246 |
218 |
342 |
1493 |
310 |
Electrical Generator or Motor Structure |
306 |
225 |
269 |
315 |
366 |
1481 |
297 |
Chairs and Seats |
320 |
261 |
284 |
264 |
341 |
1470 |
330 |
Amplifiers |
329 |
327 |
270 |
258 |
268 |
1452 |
378 |
X-Ray or Gamma Ray Systems or Devices |
283 |
269 |
268 |
311 |
293 |
1424 |
712 |
Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) |
262 |
243 |
292 |
265 |
345 |
1407 |
436 |
Chemistry: Analytical and Immunological Testing |
209 |
259 |
255 |
280 |
403 |
1406 |
706 |
DP: Artificial Intelligence (Data Processing) |
166 |
151 |
237 |
347 |
463 |
1364 |
725 |
Interactive Video Distribution Systems |
243 |
197 |
156 |
299 |
457 |
1352 |
005 |
Beds |
291 |
210 |
280 |
246 |
299 |
1326 |
423 |
Chemistry of Inorganic Compounds |
237 |
194 |
201 |
259 |
380 |
1271 |
015 |
Brushing, Scrubbing, and General Cleaning |
215 |
260 |
232 |
216 |
346 |
1269 |
180 |
Motor Vehicles |
223 |
222 |
226 |
252 |
343 |
1266 |
244 |
Aeronautics and Astronautics |
264 |
244 |
196 |
241 |
299 |
1244 |
372 |
Coherent Light Generators |
278 |
201 |
208 |
239 |
272 |
1198 |
719 |
Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) |
233 |
135 |
247 |
282 |
283 |
1180 |
381 |
Electrical Audio Signal Processing Systems and Devices |
268 |
231 |
187 |
199 |
271 |
1156 |
380 |
Cryptography |
219 |
221 |
166 |
257 |
287 |
1150 |
033 |
Geometrical Instruments |
234 |
254 |
226 |
210 |
225 |
1149 |
451 |
Abrading |
434 |
259 |
149 |
129 |
128 |
1099 |
239 |
Fluid Sprinkling, Spraying, and Diffusing |
303 |
211 |
142 |
168 |
250 |
1074 |
002 |
Apparel |
294 |
185 |
156 |
133 |
289 |
1057 |
084 |
Music |
148 |
185 |
198 |
246 |
277 |
1054 |
119 |
Animal Husbandry |
247 |
219 |
183 |
170 |
229 |
1048 |
318 |
Electricity: Motive Power Systems |
247 |
202 |
192 |
191 |
184 |
1016 |
222 |
Dispensing (apparatus and process) |
253 |
187 |
139 |
150 |
276 |
1005 |
252 |
Compositions |
208 |
173 |
196 |
176 |
239 |
992 |
718 |
Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) |
191 |
145 |
165 |
196 |
295 |
992 |
351 |
Optics: Eye Examining, Vision Testing and Correcting |
172 |
184 |
220 |
189 |
222 |
987 |
175 |
Boring or Penetrating the Earth |
178 |
161 |
187 |
186 |
260 |
972 |
323 |
Electricity: Power Supply or Regulation Systems |
191 |
164 |
178 |
201 |
231 |
965 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
231 |
188 |
137 |
164 |
235 |
955 |
315 |
Electric Lamp and Discharge Devices: Systems |
220 |
191 |
179 |
167 |
174 |
931 |
273 |
Amusement Devices: Games |
178 |
189 |
184 |
179 |
200 |
930 |
204 |
Chemistry: Electrical and Wave Energy |
178 |
185 |
156 |
157 |
235 |
911 |
331 |
Oscillators |
180 |
187 |
171 |
184 |
187 |
909 |
114 |
Ships |
238 |
206 |
165 |
139 |
147 |
895 |
220 |
Receptacles |
184 |
147 |
128 |
187 |
246 |
892 |
399 |
Electrophotography |
184 |
206 |
157 |
137 |
200 |
884 |
405 |
Hydraulic and Earth Engineering |
236 |
145 |
166 |
155 |
178 |
880 |
307 |
Electrical Transmission or Interconnection Systems |
139 |
117 |
141 |
210 |
267 |
874 |
510 |
Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions |
190 |
155 |
167 |
159 |
202 |
873 |
333 |
Wave Transmission Lines and Networks |
195 |
174 |
157 |
151 |
190 |
867 |
502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
166 |
155 |
135 |
174 |
218 |
848 |
134 |
Cleaning and Liquid Contact with Solids |
161 |
159 |
147 |
162 |
187 |
816 |
708 |
Arithmetic Processing and Calculating (Electrical Computers) |
203 |
122 |
172 |
149 |
164 |
810 |
425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
195 |
193 |
134 |
130 |
155 |
807 |
198 |
Conveyors: Power-Driven |
172 |
171 |
145 |
141 |
164 |
793 |
053 |
Package Making |
169 |
126 |
176 |
166 |
152 |
789 |
106 |
Compositions: Coating or Plastic |
159 |
154 |
141 |
129 |
205 |
788 |
415 |
Rotary Kinetic Fluid Motors or Pumps |
194 |
136 |
123 |
140 |
195 |
788 |
475 |
Planetary Gear Transmission Systems or Components |
154 |
179 |
134 |
122 |
189 |
778 |
036 |
Boots, Shoes, and Leggings |
155 |
122 |
147 |
135 |
209 |
768 |
040 |
Card, Picture, or Sign Exhibiting |
148 |
150 |
167 |
131 |
169 |
765 |
414 |
Material or Article Handling |
164 |
144 |
121 |
149 |
172 |
750 |
416 |
Fluid Reaction Surfaces (i.e., Impellers) |
137 |
128 |
136 |
148 |
181 |
730 |
320 |
Electricity: Battery or Capacitor Charging or Discharging |
72 |
82 |
106 |
209 |
247 |
716 |
585 |
Chemistry of Hydrocarbon Compounds |
103 |
133 |
153 |
150 |
168 |
707 |
313 |
Electric Lamp and Discharge Devices |
160 |
132 |
106 |
120 |
167 |
685 |
043 |
Fishing, Trapping, and Vermin Destroying |
148 |
123 |
118 |
114 |
177 |
680 |
165 |
Heat Exchange |
248 |
141 |
96 |
82 |
112 |
679 |
363 |
Electric Power Conversion Systems |
128 |
113 |
121 |
143 |
166 |
671 |
095 |
Gas Separation: Processes |
126 |
103 |
148 |
118 |
172 |
667 |
072 |
Metal Deforming |
195 |
147 |
117 |
107 |
98 |
664 |
433 |
Dentistry |
205 |
158 |
110 |
64 |
122 |
659 |
211 |
Supports: Racks |
174 |
146 |
86 |
92 |
152 |
650 |
285 |
Pipe Joints or Couplings |
145 |
80 |
137 |
140 |
146 |
648 |
290 |
Prime-Mover Dynamo Plants |
122 |
118 |
125 |
135 |
147 |
647 |
081 |
Tools |
195 |
178 |
97 |
57 |
107 |
634 |
141 |
Fluent Material Handling, with Receiver or Receiver Coacting Means |
170 |
151 |
79 |
96 |
130 |
626 |
118 |
Coating Apparatus |
136 |
113 |
109 |
116 |
150 |
624 |
367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
97 |
116 |
115 |
127 |
151 |
606 |
417 |
Pumps |
159 |
117 |
100 |
108 |
117 |
601 |
004 |
Baths, Closets, Sinks, and Spittoons |
151 |
125 |
106 |
86 |
129 |
597 |
602 |
Surgery: Splint, Brace, or Bandage |
137 |
90 |
78 |
115 |
166 |
586 |
042 |
Firearms |
103 |
103 |
106 |
98 |
169 |
579 |
200 |
Electricity: Circuit Makers and Breakers |
149 |
102 |
119 |
114 |
90 |
574 |
241 |
Solid Material Comminution or Disintegration |
102 |
121 |
89 |
121 |
140 |
573 |
404 |
Road Structure, Process, or Apparatus |
133 |
105 |
107 |
96 |
129 |
570 |
024 |
Buckles, Buttons, Clasps, Etc. |
123 |
115 |
108 |
103 |
115 |
564 |
251 |
Valves and Valve Actuation |
188 |
104 |
74 |
84 |
110 |
560 |
242 |
Winding, Tensioning, or Guiding |
134 |
129 |
126 |
81 |
88 |
558 |
055 |
Gas Separation |
61 |
98 |
121 |
119 |
146 |
545 |
083 |
Cutting |
160 |
100 |
66 |
94 |
122 |
542 |
434 |
Education and Demonstration |
138 |
123 |
86 |
93 |
101 |
541 |
030 |
Cutlery |
140 |
100 |
85 |
89 |
126 |
540 |
056 |
Harvesters |
113 |
75 |
87 |
104 |
153 |
532 |
205 |
Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions |
114 |
102 |
89 |
106 |
121 |
532 |
074 |
Machine Element or Mechanism |
103 |
120 |
73 |
106 |
125 |
527 |
353 |
Optics: Image Projectors |
131 |
119 |
123 |
81 |
66 |
520 |
216 |
Etching a Substrate: Processes |
125 |
108 |
104 |
93 |
87 |
517 |
208 |
Mineral Oils: Processes and Products |
80 |
80 |
102 |
97 |
157 |
516 |
446 |
Amusement Devices: Toys |
111 |
96 |
84 |
85 |
136 |
512 |
162 |
Paper Making and Fiber Liberation |
97 |
94 |
77 |
82 |
144 |
494 |
102 |
Ammunition and Explosives |
98 |
75 |
100 |
90 |
113 |
476 |
227 |
Elongated-Member-Driving Apparatus |
82 |
72 |
78 |
98 |
143 |
473 |
294 |
Handling: Hand and Hoist-Line Implements |
100 |
103 |
85 |
75 |
107 |
470 |
228 |
Metal Fusion Bonding |
88 |
71 |
101 |
80 |
126 |
466 |
386 |
Motion Video Signal Processing for Recording or Reproducing |
75 |
117 |
95 |
88 |
89 |
464 |
369 |
Dynamic Information Storage or Retrieval |
105 |
90 |
89 |
77 |
99 |
460 |
442 |
Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) |
61 |
70 |
80 |
98 |
149 |
458 |
366 |
Agitating (e.g., of articles and materials) |
82 |
106 |
104 |
75 |
90 |
457 |
374 |
Thermal Measuring and Testing |
92 |
49 |
87 |
100 |
114 |
442 |
335 |
Electricity: Magnetically Operated Switches, Magnets, and Electromagnets |
104 |
78 |
68 |
76 |
114 |
440 |
188 |
Brakes |
121 |
89 |
65 |
89 |
74 |
438 |
070 |
Locks |
105 |
83 |
97 |
74 |
78 |
437 |
292 |
Closure Fasteners |
101 |
93 |
81 |
75 |
87 |
437 |
254 |
Implements or Apparatus for Applying Pushing or Pulling Force |
107 |
87 |
85 |
71 |
82 |
432 |
099 |
Foods and Beverages: Apparatus |
93 |
56 |
83 |
78 |
116 |
426 |
401 |
Coating Implements with Material Supply |
94 |
96 |
78 |
66 |
81 |
415 |
089 |
Ordnance |
54 |
53 |
78 |
93 |
133 |
411 |
396 |
Photography |
58 |
49 |
71 |
92 |
128 |
398 |
507 |
Earth Boring, Well Treating, and Oil Field Chemistry |
57 |
56 |
47 |
94 |
133 |
387 |
224 |
Package and Article Carriers |
89 |
70 |
70 |
45 |
110 |
384 |
160 |
Flexible or Portable Closure, Partition, or Panel |
99 |
76 |
48 |
67 |
93 |
383 |
271 |
Sheet Feeding or Delivering |
63 |
57 |
70 |
90 |
101 |
381 |
016 |
Miscellaneous Hardware |
108 |
66 |
45 |
64 |
97 |
380 |
148 |
Metal Treatment |
74 |
64 |
57 |
78 |
106 |
379 |
221 |
Article Dispensing |
107 |
74 |
56 |
51 |
78 |
366 |
209 |
Classifying, Separating, and Assorting Solids |
69 |
75 |
78 |
61 |
81 |
364 |
096 |
Gas Separation: Apparatus |
54 |
60 |
63 |
88 |
96 |
361 |
411 |
Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener |
92 |
65 |
60 |
47 |
93 |
357 |
440 |
Marine Propulsion |
95 |
77 |
69 |
58 |
58 |
357 |
192 |
Clutches and Power-Stop Control |
94 |
78 |
67 |
49 |
68 |
356 |
181 |
Acoustics |
37 |
63 |
75 |
89 |
90 |
354 |
047 |
Plant Husbandry |
76 |
53 |
32 |
74 |
117 |
352 |
135 |
Tent, Canopy, Umbrella, or Cane |
53 |
66 |
51 |
81 |
98 |
349 |
229 |
Envelopes, Wrappers, and Paperboard Boxes |
51 |
63 |
56 |
71 |
106 |
347 |
124 |
Mechanical Guns and Projectors |
62 |
68 |
57 |
50 |
107 |
344 |
164 |
Metal Founding |
91 |
92 |
50 |
48 |
62 |
343 |
336 |
Inductor Devices |
91 |
78 |
44 |
54 |
76 |
343 |
349 |
Liquid Crystal Cells, Elements and Systems |
76 |
59 |
62 |
70 |
69 |
336 |
601 |
Surgery: Kinesitherapy |
75 |
79 |
77 |
48 |
55 |
334 |
312 |
Supports: Cabinet Structure |
86 |
57 |
54 |
50 |
81 |
328 |
108 |
Horizontally Supported Planar Surfaces |
81 |
49 |
50 |
63 |
84 |
327 |
101 |
Printing |
121 |
56 |
51 |
45 |
51 |
324 |
117 |
Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor |
72 |
76 |
67 |
50 |
54 |
319 |
182 |
Fire Escape, Ladder, or Scaffold |
111 |
78 |
42 |
24 |
63 |
318 |
410 |
Freight Accommodation On Freight Carrier |
67 |
61 |
62 |
53 |
73 |
316 |
037 |
Excavating |
59 |
41 |
26 |
69 |
114 |
309 |
215 |
Bottles and Jars |
71 |
58 |
47 |
49 |
78 |
303 |
355 |
Photocopying |
89 |
74 |
60 |
35 |
45 |
303 |
508 |
Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions |
34 |
41 |
53 |
64 |
109 |
301 |
277 |
Seal for a Joint or Juncture |
85 |
48 |
61 |
33 |
68 |
295 |
138 |
Pipes and Tubular Conduits |
54 |
52 |
44 |
65 |
68 |
283 |
368 |
Horology: Time Measuring Systems or Devices |
67 |
52 |
66 |
36 |
61 |
282 |
136 |
Batteries: Thermoelectric and Photoelectric |
35 |
46 |
32 |
59 |
109 |
281 |
441 |
Buoys, Rafts, and Aquatic Devices |
77 |
64 |
51 |
36 |
48 |
276 |
075 |
Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures |
42 |
42 |
58 |
60 |
72 |
274 |
049 |
Movable or Removable Closures |
67 |
43 |
49 |
47 |
66 |
272 |
261 |
Gas and Liquid Contact Apparatus |
68 |
52 |
52 |
51 |
49 |
272 |
431 |
Combustion |
55 |
50 |
36 |
62 |
66 |
269 |
493 |
Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web |
58 |
45 |
67 |
48 |
50 |
268 |
452 |
Butchering |
62 |
50 |
55 |
51 |
48 |
266 |
477 |
Interrelated Power Delivery Controls, Including Engine Control |
41 |
50 |
41 |
57 |
73 |
262 |
132 |
Toilet |
48 |
76 |
42 |
43 |
51 |
260 |
126 |
Stoves and Furnaces |
48 |
30 |
35 |
41 |
105 |
259 |
501 |
Compositions: Ceramic |
56 |
37 |
32 |
56 |
77 |
258 |
403 |
Joints and Connections |
56 |
41 |
56 |
44 |
58 |
255 |
034 |
Drying and Gas or Vapor Contact with Solids |
86 |
40 |
60 |
26 |
38 |
250 |
144 |
Woodworking |
57 |
39 |
51 |
37 |
64 |
248 |
008 |
Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers |
62 |
40 |
34 |
49 |
62 |
247 |
400 |
Typewriting Machines |
77 |
59 |
39 |
31 |
37 |
243 |
454 |
Ventilation |
66 |
37 |
37 |
53 |
49 |
242 |
172 |
Earth Working |
64 |
30 |
25 |
49 |
70 |
238 |
384 |
Bearings |
58 |
39 |
51 |
44 |
45 |
237 |
408 |
Cutting by Use of Rotating Axially Moving Tool |
66 |
53 |
32 |
44 |
39 |
234 |
392 |
Electric Resistance Heating Devices |
66 |
58 |
24 |
26 |
50 |
224 |
065 |
Glass Manufacturing |
43 |
45 |
40 |
36 |
51 |
215 |
116 |
Signals and Indicators |
34 |
38 |
38 |
45 |
57 |
212 |
383 |
Flexible Bags |
54 |
44 |
34 |
40 |
39 |
211 |
111 |
Planting |
42 |
35 |
39 |
42 |
49 |
207 |
303 |
Fluid-Pressure and Analogous Brake Systems |
46 |
34 |
46 |
32 |
49 |
207 |
169 |
Fire Extinguishers |
40 |
30 |
39 |
29 |
65 |
203 |
044 |
Fuel and Related Compositions |
16 |
37 |
35 |
52 |
62 |
202 |
236 |
Automatic Temperature and Humidity Regulation |
36 |
44 |
29 |
33 |
58 |
200 |
301 |
Land Vehicles: Wheels and Axles |
53 |
32 |
40 |
31 |
42 |
198 |
152 |
Resilient Tires and Wheels |
55 |
39 |
37 |
33 |
32 |
196 |
100 |
Presses |
47 |
40 |
47 |
29 |
30 |
193 |
256 |
Fences |
50 |
29 |
35 |
43 |
33 |
190 |
092 |
Expansible Chamber Devices |
43 |
48 |
40 |
29 |
26 |
186 |
048 |
Gas: Heating and Illuminating |
24 |
33 |
36 |
45 |
46 |
184 |
269 |
Work Holders |
53 |
41 |
24 |
15 |
38 |
171 |
173 |
Tool Driving or Impacting |
45 |
26 |
26 |
31 |
40 |
168 |
267 |
Spring Devices |
38 |
34 |
40 |
26 |
29 |
167 |
464 |
Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts |
55 |
23 |
33 |
30 |
26 |
167 |
474 |
Endless Belt Power Transmission Systems or Components |
46 |
30 |
21 |
25 |
45 |
167 |
418 |
Rotary Expansible Chamber Devices |
36 |
36 |
27 |
33 |
32 |
164 |
177 |
Weighing Scales |
34 |
45 |
24 |
35 |
24 |
162 |
131 |
Tobacco |
20 |
27 |
21 |
25 |
66 |
159 |
187 |
Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle |
33 |
40 |
23 |
33 |
27 |
156 |
472 |
Amusement Devices |
28 |
25 |
26 |
21 |
56 |
156 |
105 |
Railway Rolling Stock |
29 |
24 |
27 |
32 |
43 |
155 |
232 |
Deposit and Collection Receptacles |
36 |
46 |
37 |
20 |
16 |
155 |
445 |
Electric Lamp or Space Discharge Component or Device Manufacturing |
48 |
22 |
22 |
27 |
28 |
147 |
122 |
Liquid Heaters and Vaporizers |
28 |
25 |
30 |
30 |
30 |
143 |
223 |
Apparel Apparatus |
26 |
43 |
32 |
13 |
28 |
142 |
409 |
Gear Cutting, Milling, or Planing |
36 |
35 |
30 |
21 |
18 |
140 |
450 |
Foundation Garments |
30 |
28 |
22 |
25 |
35 |
140 |
322 |
Electricity: Single Generator Systems |
31 |
24 |
32 |
30 |
22 |
139 |
104 |
Railways |
20 |
21 |
26 |
30 |
40 |
137 |
112 |
Sewing |
32 |
22 |
30 |
26 |
26 |
136 |
293 |
Vehicle Fenders |
31 |
31 |
26 |
27 |
19 |
134 |
376 |
Induced Nuclear Reactions: Processes, Systems, and Elements |
23 |
11 |
18 |
46 |
35 |
133 |
299 |
Mining or In Situ Disintegration of Hard Material |
23 |
17 |
40 |
25 |
27 |
132 |
063 |
Jewelry |
31 |
29 |
26 |
19 |
22 |
127 |
338 |
Electrical Resistors |
42 |
29 |
14 |
8 |
27 |
120 |
516 |
Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting |
20 |
20 |
14 |
22 |
40 |
116 |
249 |
Static Molds |
37 |
30 |
14 |
15 |
18 |
114 |
110 |
Furnaces |
33 |
18 |
20 |
15 |
27 |
113 |
027 |
Undertaking |
10 |
37 |
29 |
17 |
17 |
110 |
266 |
Metallurgical Apparatus |
18 |
19 |
17 |
34 |
22 |
110 |
419 |
Powder Metallurgy Processes |
13 |
16 |
23 |
28 |
30 |
110 |
014 |
Bridges |
27 |
25 |
18 |
23 |
15 |
108 |
460 |
Crop Threshing or Separating |
16 |
20 |
20 |
26 |
24 |
106 |
082 |
Turning (e.g., for metal working) |
18 |
15 |
17 |
26 |
28 |
104 |
068 |
Textiles: Fluid Treating Apparatus |
10 |
17 |
20 |
30 |
26 |
103 |
720 |
Dynamic Optical Information Storage or Retrieval |
25 |
11 |
26 |
21 |
20 |
103 |
407 |
Cutters, for Shaping |
29 |
19 |
20 |
21 |
11 |
100 |
066 |
Textiles: Knitting |
24 |
11 |
12 |
29 |
21 |
97 |
091 |
Motors: Expansible Chamber Type |
30 |
24 |
13 |
17 |
11 |
95 |
337 |
Electricity: Electrothermally or Thermally Actuated Switches |
8 |
13 |
24 |
25 |
25 |
95 |
051 |
Abrasive Tool Making Process, Material, or Composition |
14 |
28 |
16 |
28 |
8 |
94 |
125 |
Stone Working |
34 |
16 |
16 |
6 |
21 |
93 |
283 |
Printed Matter |
23 |
18 |
19 |
9 |
23 |
92 |
518 |
Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof |
34 |
20 |
17 |
6 |
15 |
92 |
504 |
Plant Protecting and Regulating Compositions |
27 |
18 |
11 |
13 |
22 |
91 |
054 |
Harness for Working Animal |
20 |
24 |
20 |
18 |
7 |
89 |
588 |
Hazardous or Toxic Waste Destruction or Containment |
16 |
15 |
14 |
19 |
23 |
87 |
406 |
Conveyors: Fluid Current |
23 |
19 |
13 |
13 |
18 |
86 |
184 |
Lubrication |
25 |
16 |
12 |
8 |
24 |
85 |
270 |
Sheet-Material Associating |
10 |
6 |
11 |
32 |
23 |
82 |
007 |
Compound Hand Tools |
28 |
20 |
9 |
12 |
12 |
81 |
150 |
Purses, Wallets, and Protective Covers |
12 |
14 |
10 |
22 |
21 |
79 |
190 |
Trunks and Hand-Carried Luggage |
27 |
14 |
15 |
13 |
9 |
78 |
057 |
Textiles: Spinning, Twisting, and Twining |
16 |
20 |
15 |
16 |
10 |
77 |
139 |
Textiles: Weaving |
20 |
12 |
8 |
19 |
18 |
77 |
246 |
Railway Switches and Signals |
17 |
12 |
15 |
11 |
22 |
77 |
212 |
Traversing Hoists |
17 |
10 |
17 |
18 |
13 |
75 |
494 |
Imperforate Bowl: Centrifugal Separators |
21 |
10 |
14 |
15 |
14 |
74 |
506 |
Combinatorial Chemistry Technology: Method, Library, Apparatus |
0 |
0 |
19 |
22 |
32 |
73 |
028 |
Textiles: Manufacturing |
23 |
18 |
9 |
15 |
6 |
71 |
503 |
Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor |
20 |
18 |
10 |
5 |
15 |
68 |
194 |
Check-Actuated Control Mechanisms |
16 |
11 |
6 |
11 |
22 |
66 |
279 |
Chucks or Sockets |
9 |
11 |
16 |
13 |
15 |
64 |
505 |
Superconductor Technology: Apparatus, Material, Process |
11 |
9 |
7 |
13 |
24 |
64 |
432 |
Heating |
15 |
12 |
15 |
7 |
13 |
62 |
149 |
Explosive and Thermic Compositions or Charges |
19 |
2 |
5 |
9 |
26 |
61 |
202 |
Distillation: Apparatus |
14 |
10 |
12 |
11 |
14 |
61 |
001 |
** Classification Undetermined ** |
11 |
15 |
8 |
4 |
22 |
60 |
203 |
Distillation: Processes, Separatory |
11 |
9 |
13 |
10 |
13 |
56 |
332 |
Modulators |
9 |
6 |
3 |
12 |
26 |
56 |
086 |
Ammunition and Explosive-Charge Making |
14 |
7 |
9 |
12 |
13 |
55 |
281 |
Books, Strips, and Leaves |
9 |
4 |
11 |
8 |
23 |
55 |
071 |
Chemistry: Fertilizers |
7 |
5 |
4 |
13 |
25 |
54 |
140 |
Wireworking |
20 |
14 |
13 |
4 |
3 |
54 |
402 |
Binder Device Releasably Engaging Aperture or Notch of Sheet |
12 |
9 |
8 |
8 |
16 |
53 |
420 |
Alloys or Metallic Compositions |
5 |
3 |
13 |
7 |
24 |
52 |
225 |
Severing by Tearing or Breaking |
17 |
13 |
6 |
6 |
9 |
51 |
305 |
Wheel Substitutes for Land Vehicles |
7 |
10 |
13 |
7 |
14 |
51 |
476 |
Friction Gear Transmission Systems or Components |
17 |
14 |
11 |
1 |
8 |
51 |
193 |
Conveyors, Chutes, Skids, Guides, and Ways |
15 |
7 |
10 |
8 |
10 |
50 |
298 |
Land Vehicles: Dumping |
11 |
9 |
11 |
5 |
13 |
49 |
512 |
Perfume Compositions |
12 |
10 |
8 |
7 |
12 |
49 |
238 |
Railways: Surface Track |
12 |
6 |
10 |
6 |
14 |
48 |
352 |
Optics: Motion Pictures |
18 |
9 |
8 |
7 |
6 |
48 |
038 |
Textiles: Ironing or Smoothing |
12 |
12 |
6 |
6 |
9 |
45 |
218 |
High-Voltage Switches with Arc Preventing or Extinguishing Devices |
13 |
8 |
4 |
12 |
8 |
45 |
213 |
Railway Draft Appliances |
7 |
8 |
6 |
9 |
13 |
43 |
377 |
Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems |
15 |
6 |
9 |
7 |
6 |
43 |
373 |
Industrial Electric Heating Furnaces |
14 |
9 |
9 |
2 |
7 |
41 |
157 |
Wheelwright Machines |
7 |
9 |
10 |
7 |
6 |
39 |
012 |
Boot and Shoe Making |
7 |
5 |
7 |
6 |
13 |
38 |
059 |
Chain, Staple, and Horseshoe Making |
12 |
8 |
8 |
6 |
4 |
38 |
076 |
Metal Tools and Implements, Making |
3 |
12 |
3 |
4 |
13 |
35 |
412 |
Bookbinding: Process and Apparatus |
6 |
3 |
5 |
7 |
12 |
33 |
019 |
Textiles: Fiber Preparation |
6 |
4 |
6 |
6 |
10 |
32 |
470 |
Threaded, Headed Fastener, or Washer Making: Process and Apparatus |
11 |
3 |
7 |
3 |
5 |
29 |
226 |
Advancing Material of Indeterminate Length |
9 |
8 |
6 |
2 |
2 |
27 |
201 |
Distillation: Processes, Thermolytic |
5 |
0 |
3 |
7 |
10 |
25 |
492 |
Roll or Roller |
6 |
5 |
4 |
4 |
6 |
25 |
127 |
Sugar, Starch, and Carbohydrates |
3 |
6 |
2 |
4 |
9 |
24 |
237 |
Heating Systems |
11 |
3 |
3 |
2 |
4 |
23 |
850 |
Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] |
1 |
0 |
0 |
5 |
17 |
23 |
388 |
Electricity: Motor Control Systems |
5 |
4 |
4 |
4 |
5 |
22 |
329 |
Demodulators |
5 |
2 |
6 |
6 |
2 |
21 |
168 |
Farriery |
3 |
3 |
5 |
6 |
2 |
19 |
453 |
Coin Handling |
4 |
3 |
2 |
5 |
5 |
19 |
186 |
Merchandising |
3 |
5 |
3 |
4 |
3 |
18 |
483 |
Tool Changing |
1 |
3 |
6 |
4 |
4 |
18 |
289 |
Knots and Knot Tying |
3 |
2 |
4 |
5 |
3 |
17 |
026 |
Textiles: Cloth Finishing |
3 |
4 |
2 |
1 |
6 |
16 |
023 |
Chemistry: Physical Processes |
2 |
4 |
2 |
2 |
4 |
14 |
109 |
Safes, Bank Protection, or a Related Device |
2 |
2 |
4 |
2 |
4 |
14 |
171 |
Unearthing Plants or Buried Objects |
5 |
1 |
1 |
2 |
5 |
14 |
191 |
Electricity: Transmission To Vehicles |
6 |
1 |
2 |
4 |
0 |
13 |
159 |
Concentrating Evaporators |
1 |
2 |
2 |
3 |
4 |
12 |
087 |
Textiles: Braiding, Netting, and Lace Making |
1 |
3 |
3 |
1 |
3 |
11 |
346 |
Recorders |
4 |
3 |
2 |
0 |
1 |
10 |
449 |
Bee Culture (propagating, raising, caring for bees) |
4 |
1 |
1 |
3 |
1 |
10 |
413 |
Sheet Metal Container Making |
3 |
3 |
2 |
1 |
0 |
9 |
178 |
Telegraphy |
2 |
2 |
1 |
1 |
1 |
7 |
217 |
Wooden Receptacles |
1 |
0 |
2 |
0 |
3 |
6 |
300 |
Brush, Broom, and Mop Making |
1 |
0 |
0 |
0 |
5 |
6 |
334 |
Tuners |
2 |
1 |
1 |
1 |
1 |
6 |
196 |
Mineral Oils: Apparatus |
1 |
0 |
2 |
1 |
1 |
5 |
291 |
Track Sanders |
1 |
1 |
0 |
2 |
1 |
5 |
231 |
Whips and Whip Apparatus |
0 |
0 |
2 |
1 |
1 |
4 |
234 |
Selective Cutting (e.g., Punching) |
2 |
0 |
1 |
0 |
1 |
4 |
069 |
Leather Manufactures |
0 |
1 |
0 |
1 |
0 |
2 |
185 |
Motors: Spring, Weight, or Animal Powered |
1 |
0 |
0 |
0 |
1 |
2 |
260 |
Chemistry of Carbon Compounds |
0 |
0 |
0 |
2 |
0 |
2 |
295 |
Railway Wheels and Axles |
0 |
1 |
1 |
0 |
0 |
2 |
462 |
Books, Strips, and Leaves for Manifolding |
0 |
1 |
1 |
0 |
0 |
2 |
142 |
Wood Turning |
0 |
0 |
0 |
1 |
0 |
1 |
147 |
Coopering |
0 |
0 |
0 |
0 |
1 |
1 |
314 |
Electric Lamp and Discharge Devices: Consumable Electrodes |
0 |
0 |
0 |
1 |
0 |
1 |
ALL |
ALL CLASSES |
89823 |
79526 |
77502 |
82382 |
107792 |
437025 |