424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
2983 |
2611 |
3263 |
2899 |
2679 |
14435 |
438 |
Semiconductor Device Manufacturing: Process |
2298 |
2014 |
2068 |
2011 |
1818 |
10209 |
370 |
Multiplex Communications |
1703 |
1607 |
2298 |
1841 |
2452 |
9901 |
435 |
Chemistry: Molecular Biology and Microbiology |
1741 |
1525 |
1920 |
1758 |
1581 |
8525 |
257 |
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) |
1819 |
1688 |
1699 |
1536 |
1472 |
8214 |
709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
1193 |
1149 |
1778 |
1667 |
1940 |
7727 |
455 |
Telecommunications |
1117 |
1095 |
1959 |
1721 |
1479 |
7371 |
707 |
DP: Database and File Management or Data Structures (Data Processing) |
1113 |
957 |
1435 |
1270 |
1444 |
6219 |
340 |
Communications: Electrical |
934 |
916 |
1429 |
1103 |
1228 |
5610 |
128 |
Surgery (includes Class 600) |
1349 |
1037 |
1204 |
1035 |
908 |
5533 |
532 |
Organic Compounds (includes Classes 532-570) |
1044 |
939 |
1292 |
1028 |
1146 |
5449 |
375 |
Pulse or Digital Communications |
873 |
811 |
1243 |
1086 |
1152 |
5165 |
520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
1241 |
1012 |
1098 |
940 |
805 |
5096 |
714 |
Error Detection/Correction and Fault Detection/Recovery |
823 |
733 |
1089 |
1115 |
1170 |
4930 |
711 |
Memory (Electrical Computers and Digital Processing Systems) |
936 |
893 |
1125 |
916 |
1054 |
4924 |
385 |
Optical Waveguides |
1103 |
1031 |
1000 |
924 |
859 |
4917 |
382 |
Image Analysis |
917 |
658 |
1086 |
1032 |
1073 |
4766 |
345 |
Computer Graphics Processing and Selective Visual Display Systems |
940 |
846 |
1197 |
930 |
831 |
4744 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
955 |
917 |
1028 |
907 |
850 |
4657 |
324 |
Electricity: Measuring and Testing |
978 |
910 |
1029 |
897 |
823 |
4637 |
428 |
Stock Material or Miscellaneous Articles |
1322 |
1039 |
824 |
798 |
634 |
4617 |
073 |
Measuring and Testing |
844 |
876 |
970 |
894 |
929 |
4513 |
365 |
Static Information Storage and Retrieval |
852 |
845 |
881 |
902 |
884 |
4364 |
250 |
Radiant Energy |
849 |
716 |
1022 |
819 |
948 |
4354 |
713 |
Support (Electrical Computers and Digital Processing Systems) |
572 |
652 |
1067 |
979 |
1083 |
4353 |
439 |
Electrical Connectors |
855 |
774 |
888 |
794 |
899 |
4210 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
257 |
617 |
1007 |
932 |
1297 |
4110 |
361 |
Electricity: Electrical Systems and Devices |
878 |
698 |
766 |
865 |
833 |
4040 |
359 |
Optical: Systems and Elements |
818 |
792 |
860 |
716 |
710 |
3896 |
606 |
Surgery (instruments) |
857 |
724 |
827 |
780 |
598 |
3786 |
356 |
Optics: Measuring and Testing |
651 |
577 |
786 |
796 |
871 |
3681 |
379 |
Telephonic Communications |
888 |
650 |
918 |
674 |
537 |
3667 |
360 |
Dynamic Magnetic Information Storage or Retrieval |
784 |
587 |
790 |
623 |
540 |
3324 |
710 |
Input/Output (Electrical Computers and Digital Processing Systems) |
862 |
623 |
741 |
523 |
567 |
3316 |
715 |
DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) |
459 |
546 |
760 |
720 |
759 |
3244 |
029 |
Metal Working |
679 |
613 |
749 |
609 |
500 |
3150 |
280 |
Land Vehicles |
615 |
645 |
606 |
628 |
595 |
3089 |
604 |
Surgery (Medicators and Receptors) |
814 |
617 |
590 |
485 |
478 |
2984 |
210 |
Liquid Purification or Separation |
642 |
551 |
546 |
599 |
541 |
2879 |
123 |
Internal-Combustion Engines |
577 |
566 |
615 |
560 |
539 |
2857 |
700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
632 |
516 |
666 |
496 |
481 |
2791 |
235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
452 |
339 |
610 |
614 |
675 |
2690 |
362 |
Illumination |
466 |
485 |
612 |
626 |
484 |
2673 |
327 |
Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems |
589 |
522 |
619 |
521 |
405 |
2656 |
716 |
DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) |
446 |
432 |
699 |
512 |
559 |
2648 |
701 |
DP: Vehicles, Navigation, and Relative Location (Data Processing) |
602 |
551 |
494 |
495 |
487 |
2629 |
166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
488 |
385 |
614 |
557 |
559 |
2603 |
800 |
Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes |
400 |
360 |
507 |
614 |
523 |
2404 |
607 |
Surgery: Light, Thermal, and Electrical Application |
441 |
413 |
582 |
587 |
379 |
2402 |
530 |
Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof |
300 |
293 |
473 |
616 |
594 |
2276 |
348 |
Television |
436 |
376 |
555 |
439 |
446 |
2252 |
717 |
DP: Software Development, Installation, and Management (Data Processing) |
295 |
356 |
554 |
510 |
498 |
2213 |
623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
541 |
403 |
484 |
421 |
351 |
2200 |
473 |
Games Using Tangible Projectile |
424 |
428 |
494 |
433 |
376 |
2155 |
060 |
Power Plants |
459 |
446 |
516 |
373 |
322 |
2116 |
219 |
Electric Heating |
528 |
437 |
473 |
406 |
261 |
2105 |
052 |
Static Structures (e.g., Buildings) |
554 |
474 |
408 |
330 |
303 |
2069 |
296 |
Land Vehicles: Bodies and Tops |
418 |
395 |
454 |
426 |
365 |
2058 |
430 |
Radiation Imagery Chemistry: Process, Composition, or Product Thereof |
514 |
358 |
440 |
355 |
321 |
1988 |
704 |
DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) |
291 |
236 |
504 |
457 |
458 |
1946 |
062 |
Refrigeration |
433 |
328 |
432 |
440 |
291 |
1924 |
347 |
Incremental Printing of Symbolic Information |
517 |
402 |
340 |
316 |
309 |
1884 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
507 |
389 |
360 |
327 |
246 |
1829 |
341 |
Coded Data Generation or Conversion |
352 |
330 |
388 |
376 |
379 |
1825 |
358 |
Facsimile and Static Presentation Processing |
276 |
293 |
450 |
396 |
405 |
1820 |
174 |
Electricity: Conductors and Insulators |
356 |
383 |
372 |
358 |
335 |
1804 |
326 |
Electronic Digital Logic Circuitry |
340 |
341 |
334 |
387 |
348 |
1750 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
518 |
356 |
329 |
259 |
249 |
1711 |
137 |
Fluid Handling |
360 |
392 |
391 |
289 |
267 |
1699 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
358 |
295 |
290 |
359 |
353 |
1655 |
427 |
Coating Processes |
449 |
362 |
260 |
290 |
286 |
1647 |
343 |
Communications: Radio Wave Antennas |
286 |
390 |
372 |
288 |
297 |
1633 |
451 |
Abrading |
367 |
410 |
434 |
259 |
149 |
1619 |
206 |
Special Receptacle or Package |
319 |
354 |
312 |
265 |
355 |
1605 |
726 |
Information Security |
158 |
171 |
376 |
430 |
465 |
1600 |
703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
181 |
263 |
448 |
349 |
342 |
1583 |
342 |
Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) |
361 |
262 |
327 |
299 |
329 |
1578 |
310 |
Electrical Generator or Motor Structure |
421 |
351 |
306 |
225 |
269 |
1572 |
429 |
Chemistry: Electrical Current Producing Apparatus, Product, and Process |
378 |
308 |
326 |
288 |
249 |
1549 |
330 |
Amplifiers |
324 |
223 |
329 |
327 |
270 |
1473 |
297 |
Chairs and Seats |
342 |
245 |
320 |
261 |
284 |
1452 |
248 |
Supports (e.g., for holding articles, etc.) |
299 |
253 |
320 |
302 |
236 |
1410 |
005 |
Beds |
300 |
289 |
291 |
210 |
280 |
1370 |
372 |
Coherent Light Generators |
400 |
274 |
278 |
201 |
208 |
1361 |
712 |
Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) |
256 |
258 |
262 |
242 |
291 |
1309 |
378 |
X-Ray or Gamma Ray Systems or Devices |
228 |
222 |
282 |
268 |
268 |
1268 |
244 |
Aeronautics and Astronautics |
288 |
260 |
264 |
244 |
196 |
1252 |
239 |
Fluid Sprinkling, Spraying, and Diffusing |
320 |
274 |
303 |
211 |
142 |
1250 |
482 |
Exercise Devices |
228 |
188 |
330 |
246 |
250 |
1242 |
463 |
Amusement Devices: Games |
274 |
237 |
199 |
218 |
307 |
1235 |
436 |
Chemistry: Analytical and Immunological Testing |
271 |
237 |
208 |
259 |
254 |
1229 |
398 |
Optical Communications |
179 |
168 |
292 |
300 |
274 |
1213 |
033 |
Geometrical Instruments |
224 |
257 |
234 |
254 |
226 |
1195 |
002 |
Apparel |
295 |
244 |
294 |
185 |
156 |
1174 |
015 |
Brushing, Scrubbing, and General Cleaning |
232 |
201 |
215 |
260 |
232 |
1140 |
180 |
Motor Vehicles |
203 |
228 |
224 |
222 |
224 |
1101 |
222 |
Dispensing (apparatus and process) |
268 |
249 |
253 |
187 |
139 |
1096 |
119 |
Animal Husbandry |
215 |
225 |
247 |
219 |
183 |
1089 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
316 |
185 |
230 |
188 |
137 |
1056 |
318 |
Electricity: Motive Power Systems |
213 |
183 |
247 |
202 |
192 |
1037 |
381 |
Electrical Audio Signal Processing Systems and Devices |
200 |
142 |
268 |
231 |
187 |
1028 |
114 |
Ships |
184 |
233 |
238 |
206 |
165 |
1026 |
315 |
Electric Lamp and Discharge Devices: Systems |
229 |
204 |
220 |
191 |
179 |
1023 |
204 |
Chemistry: Electrical and Wave Energy |
262 |
228 |
177 |
184 |
155 |
1006 |
719 |
Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) |
195 |
197 |
232 |
135 |
245 |
1004 |
423 |
Chemistry of Inorganic Compounds |
200 |
166 |
237 |
194 |
201 |
998 |
333 |
Wave Transmission Lines and Networks |
222 |
206 |
193 |
173 |
157 |
951 |
252 |
Compositions |
218 |
145 |
208 |
173 |
196 |
940 |
405 |
Hydraulic and Earth Engineering |
196 |
183 |
236 |
145 |
166 |
926 |
510 |
Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions |
242 |
165 |
190 |
155 |
167 |
919 |
053 |
Package Making |
212 |
207 |
169 |
126 |
176 |
890 |
134 |
Cleaning and Liquid Contact with Solids |
229 |
182 |
161 |
159 |
147 |
878 |
725 |
Interactive Video Distribution Systems |
157 |
119 |
243 |
197 |
154 |
870 |
351 |
Optics: Eye Examining, Vision Testing and Correcting |
152 |
141 |
172 |
184 |
220 |
869 |
399 |
Electrophotography |
183 |
139 |
184 |
206 |
157 |
869 |
273 |
Amusement Devices: Games |
169 |
149 |
177 |
188 |
184 |
867 |
165 |
Heat Exchange |
190 |
187 |
248 |
141 |
96 |
862 |
331 |
Oscillators |
174 |
143 |
180 |
187 |
171 |
855 |
414 |
Material or Article Handling |
232 |
163 |
164 |
144 |
121 |
824 |
380 |
Cryptography |
78 |
139 |
219 |
220 |
166 |
822 |
175 |
Boring or Penetrating the Earth |
160 |
133 |
178 |
161 |
187 |
819 |
198 |
Conveyors: Power-Driven |
164 |
167 |
172 |
171 |
145 |
819 |
323 |
Electricity: Power Supply or Regulation Systems |
148 |
137 |
191 |
162 |
178 |
816 |
425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
177 |
116 |
195 |
193 |
134 |
815 |
502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
180 |
175 |
166 |
155 |
135 |
811 |
708 |
Arithmetic Processing and Calculating (Electrical Computers) |
171 |
145 |
202 |
122 |
171 |
811 |
040 |
Card, Picture, or Sign Exhibiting |
194 |
149 |
148 |
150 |
167 |
808 |
106 |
Compositions: Coating or Plastic |
223 |
124 |
159 |
154 |
141 |
801 |
706 |
DP: Artificial Intelligence (Data Processing) |
109 |
142 |
163 |
150 |
237 |
801 |
141 |
Fluent Material Handling, with Receiver or Receiver Coacting Means |
205 |
187 |
169 |
151 |
79 |
791 |
313 |
Electric Lamp and Discharge Devices |
235 |
158 |
160 |
132 |
106 |
791 |
433 |
Dentistry |
163 |
154 |
205 |
158 |
110 |
790 |
718 |
Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) |
147 |
142 |
190 |
144 |
164 |
787 |
415 |
Rotary Kinetic Fluid Motors or Pumps |
149 |
180 |
194 |
136 |
123 |
782 |
084 |
Music |
136 |
104 |
148 |
185 |
198 |
771 |
211 |
Supports: Racks |
187 |
175 |
174 |
146 |
86 |
768 |
220 |
Receptacles |
174 |
133 |
184 |
147 |
128 |
766 |
004 |
Baths, Closets, Sinks, and Spittoons |
216 |
168 |
151 |
125 |
105 |
765 |
043 |
Fishing, Trapping, and Vermin Destroying |
196 |
172 |
148 |
123 |
118 |
757 |
081 |
Tools |
133 |
145 |
195 |
178 |
97 |
748 |
475 |
Planetary Gear Transmission Systems or Components |
162 |
96 |
154 |
179 |
135 |
726 |
072 |
Metal Deforming |
125 |
121 |
195 |
147 |
117 |
705 |
434 |
Education and Demonstration |
185 |
167 |
137 |
123 |
85 |
697 |
251 |
Valves and Valve Actuation |
140 |
186 |
188 |
104 |
74 |
692 |
118 |
Coating Apparatus |
180 |
144 |
136 |
113 |
109 |
682 |
036 |
Boots, Shoes, and Leggings |
117 |
133 |
155 |
122 |
147 |
674 |
200 |
Electricity: Circuit Makers and Breakers |
169 |
135 |
149 |
102 |
119 |
674 |
417 |
Pumps |
177 |
115 |
159 |
116 |
100 |
667 |
242 |
Winding, Tensioning, or Guiding |
159 |
115 |
134 |
129 |
126 |
663 |
416 |
Fluid Reaction Surfaces (i.e., Impellers) |
118 |
115 |
137 |
128 |
136 |
634 |
285 |
Pipe Joints or Couplings |
138 |
130 |
145 |
80 |
137 |
630 |
095 |
Gas Separation: Processes |
133 |
105 |
126 |
103 |
148 |
615 |
363 |
Electric Power Conversion Systems |
127 |
127 |
128 |
113 |
120 |
615 |
205 |
Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions |
179 |
128 |
114 |
102 |
89 |
612 |
083 |
Cutting |
168 |
111 |
160 |
100 |
66 |
605 |
446 |
Amusement Devices: Toys |
191 |
121 |
111 |
96 |
84 |
603 |
307 |
Electrical Transmission or Interconnection Systems |
135 |
70 |
139 |
117 |
141 |
602 |
030 |
Cutlery |
142 |
124 |
140 |
100 |
85 |
591 |
216 |
Etching a Substrate: Processes |
131 |
114 |
125 |
108 |
104 |
582 |
585 |
Chemistry of Hydrocarbon Compounds |
107 |
86 |
103 |
133 |
153 |
582 |
353 |
Optics: Image Projectors |
107 |
100 |
131 |
119 |
123 |
580 |
404 |
Road Structure, Process, or Apparatus |
113 |
87 |
133 |
105 |
107 |
545 |
602 |
Surgery: Splint, Brace, or Bandage |
115 |
124 |
137 |
90 |
78 |
544 |
024 |
Buckles, Buttons, Clasps, Etc. |
109 |
88 |
123 |
115 |
108 |
543 |
290 |
Prime-Mover Dynamo Plants |
89 |
79 |
122 |
119 |
125 |
534 |
056 |
Harvesters |
116 |
141 |
113 |
75 |
87 |
532 |
224 |
Package and Article Carriers |
187 |
115 |
89 |
70 |
70 |
531 |
042 |
Firearms |
120 |
88 |
103 |
103 |
106 |
520 |
367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
101 |
90 |
97 |
116 |
115 |
519 |
074 |
Machine Element or Mechanism |
122 |
99 |
103 |
120 |
73 |
517 |
228 |
Metal Fusion Bonding |
118 |
127 |
88 |
71 |
101 |
505 |
070 |
Locks |
111 |
108 |
105 |
83 |
97 |
504 |
369 |
Dynamic Information Storage or Retrieval |
117 |
103 |
104 |
89 |
86 |
499 |
101 |
Printing |
172 |
86 |
121 |
56 |
51 |
486 |
335 |
Electricity: Magnetically Operated Switches, Magnets, and Electromagnets |
112 |
124 |
104 |
78 |
68 |
486 |
366 |
Agitating (e.g., of articles and materials) |
103 |
91 |
82 |
106 |
104 |
486 |
188 |
Brakes |
98 |
112 |
121 |
89 |
65 |
485 |
320 |
Electricity: Battery or Capacitor Charging or Discharging |
106 |
109 |
72 |
82 |
106 |
475 |
162 |
Paper Making and Fiber Liberation |
123 |
76 |
97 |
94 |
77 |
467 |
401 |
Coating Implements with Material Supply |
107 |
90 |
94 |
96 |
78 |
465 |
241 |
Solid Material Comminution or Disintegration |
71 |
81 |
102 |
121 |
89 |
464 |
102 |
Ammunition and Explosives |
88 |
93 |
98 |
75 |
100 |
454 |
182 |
Fire Escape, Ladder, or Scaffold |
115 |
108 |
111 |
78 |
42 |
454 |
254 |
Implements or Apparatus for Applying Pushing or Pulling Force |
79 |
86 |
107 |
87 |
85 |
444 |
055 |
Gas Separation |
88 |
75 |
61 |
98 |
121 |
443 |
292 |
Closure Fasteners |
79 |
83 |
101 |
93 |
81 |
437 |
160 |
Flexible or Portable Closure, Partition, or Panel |
109 |
95 |
99 |
76 |
48 |
427 |
386 |
Television Signal Processing for Dynamic Recording or Reproducing |
74 |
66 |
75 |
117 |
95 |
427 |
099 |
Foods and Beverages: Apparatus |
117 |
75 |
93 |
56 |
83 |
424 |
312 |
Supports: Cabinet Structure |
123 |
105 |
86 |
56 |
54 |
424 |
208 |
Mineral Oils: Processes and Products |
90 |
66 |
80 |
80 |
102 |
418 |
294 |
Handling: Hand and Hoist-Line Implements |
57 |
66 |
100 |
103 |
85 |
411 |
192 |
Clutches and Power-Stop Control |
97 |
73 |
94 |
78 |
67 |
409 |
277 |
Seal for a Joint or Juncture |
115 |
98 |
85 |
48 |
61 |
407 |
442 |
Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) |
121 |
72 |
61 |
70 |
80 |
404 |
016 |
Miscellaneous Hardware |
97 |
87 |
108 |
66 |
45 |
403 |
440 |
Marine Propulsion |
83 |
77 |
95 |
77 |
70 |
402 |
221 |
Article Dispensing |
89 |
71 |
107 |
74 |
56 |
397 |
355 |
Photocopying |
78 |
95 |
89 |
74 |
60 |
396 |
411 |
Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener |
95 |
84 |
92 |
65 |
60 |
396 |
164 |
Metal Founding |
75 |
85 |
91 |
92 |
50 |
393 |
209 |
Classifying, Separating, and Assorting Solids |
91 |
79 |
70 |
75 |
78 |
393 |
148 |
Metal Treatment |
112 |
84 |
74 |
64 |
57 |
391 |
349 |
Liquid Crystal Cells, Elements and Systems |
96 |
97 |
76 |
59 |
62 |
390 |
400 |
Typewriting Machines |
109 |
103 |
77 |
59 |
39 |
387 |
034 |
Drying and Gas or Vapor Contact with Solids |
104 |
91 |
86 |
40 |
60 |
381 |
108 |
Horizontally Supported Planar Surfaces |
113 |
83 |
81 |
49 |
50 |
376 |
117 |
Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor |
84 |
76 |
72 |
76 |
67 |
375 |
124 |
Mechanical Guns and Projectors |
120 |
68 |
62 |
68 |
57 |
375 |
374 |
Thermal Measuring and Testing |
64 |
77 |
92 |
49 |
87 |
369 |
336 |
Inductor Devices |
63 |
89 |
91 |
78 |
44 |
365 |
227 |
Elongated-Member-Driving Apparatus |
71 |
52 |
82 |
72 |
78 |
355 |
396 |
Photography |
122 |
55 |
58 |
49 |
71 |
355 |
601 |
Surgery: Kinesitherapy |
68 |
55 |
75 |
79 |
77 |
354 |
431 |
Combustion |
102 |
100 |
55 |
50 |
36 |
343 |
271 |
Sheet Feeding or Delivering |
78 |
67 |
63 |
57 |
70 |
335 |
047 |
Plant Husbandry |
92 |
79 |
76 |
53 |
32 |
332 |
049 |
Movable or Removable Closures |
98 |
74 |
67 |
43 |
49 |
331 |
403 |
Joints and Connections |
99 |
79 |
56 |
41 |
56 |
331 |
410 |
Freight Accommodation On Freight Carrier |
75 |
66 |
67 |
61 |
62 |
331 |
089 |
Ordnance |
78 |
56 |
54 |
54 |
78 |
320 |
493 |
Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web |
81 |
67 |
58 |
45 |
67 |
318 |
096 |
Gas Separation: Apparatus |
79 |
59 |
54 |
60 |
63 |
315 |
126 |
Stoves and Furnaces |
107 |
94 |
48 |
30 |
35 |
314 |
441 |
Buoys, Rafts, and Aquatic Devices |
58 |
56 |
77 |
64 |
51 |
306 |
454 |
Ventilation |
95 |
70 |
66 |
37 |
37 |
305 |
181 |
Acoustics |
64 |
65 |
37 |
63 |
75 |
304 |
215 |
Bottles and Jars |
57 |
65 |
71 |
58 |
47 |
298 |
135 |
Tent, Canopy, Umbrella, or Cane |
74 |
47 |
53 |
66 |
51 |
291 |
368 |
Horology: Time Measuring Systems or Devices |
60 |
44 |
67 |
52 |
66 |
289 |
065 |
Glass Manufacturing |
113 |
46 |
43 |
45 |
40 |
287 |
229 |
Envelopes, Wrappers, and Paperboard Boxes |
46 |
71 |
51 |
63 |
56 |
287 |
138 |
Pipes and Tubular Conduits |
61 |
66 |
54 |
52 |
44 |
277 |
132 |
Toilet |
70 |
40 |
48 |
76 |
42 |
276 |
075 |
Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures |
83 |
50 |
42 |
42 |
58 |
275 |
261 |
Gas and Liquid Contact Apparatus |
69 |
34 |
68 |
52 |
52 |
275 |
008 |
Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers |
84 |
44 |
62 |
40 |
34 |
264 |
384 |
Bearings |
60 |
56 |
58 |
39 |
51 |
264 |
392 |
Electric Resistance Heating Devices |
52 |
64 |
66 |
58 |
24 |
264 |
507 |
Earth Boring, Well Treating, and Oil Field Chemistry |
61 |
37 |
57 |
56 |
47 |
258 |
037 |
Excavating |
71 |
57 |
59 |
41 |
26 |
254 |
383 |
Flexible Bags |
47 |
68 |
54 |
44 |
34 |
247 |
172 |
Earth Working |
63 |
64 |
64 |
30 |
25 |
246 |
508 |
Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions |
74 |
35 |
34 |
41 |
53 |
237 |
269 |
Work Holders |
58 |
59 |
53 |
41 |
24 |
235 |
452 |
Butchering |
30 |
34 |
62 |
50 |
55 |
231 |
501 |
Compositions: Ceramic |
59 |
47 |
56 |
37 |
32 |
231 |
408 |
Cutting by Use of Rotating Axially Moving Tool |
35 |
38 |
66 |
53 |
32 |
224 |
152 |
Resilient Tires and Wheels |
47 |
44 |
55 |
39 |
37 |
222 |
100 |
Presses |
45 |
40 |
47 |
40 |
47 |
219 |
301 |
Land Vehicles: Wheels and Axles |
48 |
45 |
54 |
32 |
40 |
219 |
092 |
Expansible Chamber Devices |
40 |
41 |
43 |
48 |
40 |
212 |
303 |
Fluid-Pressure and Analogous Brake Systems |
43 |
42 |
46 |
34 |
46 |
211 |
144 |
Woodworking |
31 |
28 |
57 |
39 |
51 |
206 |
116 |
Signals and Indicators |
51 |
44 |
34 |
38 |
38 |
205 |
256 |
Fences |
39 |
48 |
50 |
29 |
35 |
201 |
464 |
Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts |
48 |
40 |
55 |
23 |
33 |
199 |
477 |
Interrelated Power Delivery Controls, Including Engine Control |
29 |
38 |
41 |
50 |
41 |
199 |
111 |
Planting |
47 |
31 |
42 |
35 |
39 |
194 |
267 |
Spring Devices |
44 |
36 |
38 |
34 |
40 |
192 |
136 |
Batteries: Thermoelectric and Photoelectric |
47 |
25 |
35 |
46 |
32 |
185 |
418 |
Rotary Expansible Chamber Devices |
56 |
29 |
36 |
36 |
27 |
184 |
445 |
Electric Lamp or Space Discharge Component or Device Manufacturing |
50 |
42 |
48 |
22 |
22 |
184 |
177 |
Weighing Scales |
48 |
31 |
34 |
45 |
24 |
182 |
044 |
Fuel and Related Compositions |
61 |
30 |
16 |
37 |
35 |
179 |
236 |
Automatic Temperature and Humidity Regulation |
38 |
32 |
36 |
44 |
29 |
179 |
474 |
Endless Belt Power Transmission Systems or Components |
38 |
43 |
46 |
30 |
21 |
178 |
169 |
Fire Extinguishers |
28 |
35 |
40 |
30 |
39 |
172 |
223 |
Apparel Apparatus |
38 |
30 |
26 |
43 |
32 |
169 |
232 |
Deposit and Collection Receptacles |
22 |
23 |
36 |
46 |
37 |
164 |
293 |
Vehicle Fenders |
38 |
37 |
31 |
31 |
26 |
163 |
409 |
Gear Cutting, Milling, or Planing |
27 |
35 |
36 |
35 |
30 |
163 |
173 |
Tool Driving or Impacting |
33 |
30 |
45 |
26 |
26 |
160 |
506 |
Combinatorial Chemistry Technology: Method, Library, Apparatus |
80 |
57 |
0 |
0 |
19 |
156 |
472 |
Amusement Devices |
35 |
37 |
28 |
25 |
26 |
151 |
122 |
Liquid Heaters and Vaporizers |
34 |
33 |
28 |
25 |
30 |
150 |
249 |
Static Molds |
45 |
24 |
37 |
30 |
14 |
150 |
105 |
Railway Rolling Stock |
33 |
34 |
29 |
24 |
27 |
147 |
112 |
Sewing |
35 |
27 |
32 |
22 |
30 |
146 |
131 |
Tobacco |
46 |
28 |
20 |
27 |
21 |
142 |
187 |
Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle |
25 |
21 |
33 |
40 |
23 |
142 |
110 |
Furnaces |
27 |
40 |
33 |
18 |
20 |
138 |
063 |
Jewelry |
32 |
17 |
31 |
29 |
26 |
135 |
376 |
Induced Nuclear Reactions: Processes, Systems, and Elements |
49 |
34 |
23 |
11 |
18 |
135 |
091 |
Motors: Expansible Chamber Type |
33 |
32 |
30 |
24 |
13 |
132 |
283 |
Printed Matter |
44 |
28 |
23 |
18 |
19 |
132 |
450 |
Foundation Garments |
24 |
28 |
30 |
28 |
22 |
132 |
504 |
Plant Protecting and Regulating Compositions |
39 |
34 |
27 |
18 |
11 |
129 |
048 |
Gas: Heating and Illuminating |
19 |
15 |
24 |
33 |
36 |
127 |
518 |
Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof |
32 |
22 |
34 |
20 |
17 |
125 |
299 |
Mining or In Situ Disintegration of Hard Material |
22 |
19 |
23 |
17 |
40 |
121 |
322 |
Electricity: Single Generator Systems |
16 |
18 |
31 |
24 |
32 |
121 |
338 |
Electrical Resistors |
20 |
16 |
42 |
29 |
14 |
121 |
014 |
Bridges |
26 |
22 |
27 |
25 |
18 |
118 |
051 |
Abrasive Tool Making Process, Material, or Composition |
38 |
20 |
14 |
28 |
16 |
116 |
104 |
Railways |
25 |
23 |
20 |
21 |
26 |
115 |
407 |
Cutters, for Shaping |
29 |
18 |
29 |
19 |
20 |
115 |
007 |
Compound Hand Tools |
26 |
30 |
28 |
20 |
9 |
113 |
125 |
Stone Working |
23 |
22 |
34 |
16 |
16 |
111 |
337 |
Electricity: Electrothermally or Thermally Actuated Switches |
39 |
23 |
8 |
13 |
24 |
107 |
460 |
Crop Threshing or Separating |
26 |
21 |
16 |
20 |
20 |
103 |
027 |
Undertaking |
14 |
12 |
10 |
37 |
29 |
102 |
149 |
Explosive and Thermic Compositions or Charges |
35 |
39 |
19 |
2 |
5 |
100 |
266 |
Metallurgical Apparatus |
25 |
21 |
18 |
19 |
17 |
100 |
054 |
Harness for Working Animal |
24 |
9 |
20 |
24 |
20 |
97 |
720 |
Dynamic Optical Information Storage or Retrieval |
22 |
13 |
25 |
11 |
26 |
97 |
419 |
Powder Metallurgy Processes |
25 |
18 |
13 |
16 |
23 |
95 |
184 |
Lubrication |
18 |
19 |
25 |
16 |
12 |
90 |
066 |
Textiles: Knitting |
20 |
21 |
24 |
11 |
12 |
88 |
190 |
Trunks and Hand-Carried Luggage |
14 |
18 |
27 |
14 |
15 |
88 |
516 |
Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting |
21 |
12 |
20 |
20 |
14 |
87 |
057 |
Textiles: Spinning, Twisting, and Twining |
20 |
12 |
16 |
20 |
15 |
83 |
406 |
Conveyors: Fluid Current |
22 |
6 |
23 |
19 |
13 |
83 |
494 |
Imperforate Bowl: Centrifugal Separators |
23 |
15 |
21 |
10 |
14 |
83 |
082 |
Turning (e.g., for metal working) |
17 |
15 |
18 |
15 |
17 |
82 |
432 |
Heating |
21 |
19 |
15 |
12 |
15 |
82 |
139 |
Textiles: Weaving |
20 |
20 |
20 |
12 |
8 |
80 |
225 |
Severing by Tearing or Breaking |
28 |
15 |
17 |
13 |
6 |
79 |
194 |
Check-Actuated Control Mechanisms |
20 |
25 |
16 |
11 |
6 |
78 |
028 |
Textiles: Manufacturing |
17 |
8 |
23 |
18 |
9 |
75 |
503 |
Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor |
11 |
15 |
20 |
18 |
10 |
74 |
279 |
Chucks or Sockets |
18 |
19 |
9 |
11 |
16 |
73 |
246 |
Railway Switches and Signals |
16 |
9 |
17 |
12 |
15 |
69 |
377 |
Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems |
15 |
23 |
15 |
6 |
9 |
68 |
402 |
Binder Device Releasably Engaging Aperture or Notch of Sheet |
23 |
16 |
12 |
9 |
8 |
68 |
068 |
Textiles: Fluid Treating Apparatus |
10 |
10 |
10 |
17 |
20 |
67 |
588 |
Hazardous or Toxic Waste Destruction or Containment |
10 |
12 |
16 |
15 |
14 |
67 |
298 |
Land Vehicles: Dumping |
18 |
16 |
11 |
9 |
11 |
65 |
352 |
Optics: Motion Pictures |
20 |
8 |
18 |
9 |
8 |
63 |
140 |
Wireworking |
8 |
5 |
20 |
14 |
13 |
60 |
212 |
Traversing Hoists |
10 |
6 |
17 |
10 |
17 |
60 |
505 |
Superconductor Technology: Apparatus, Material, Process |
16 |
16 |
11 |
9 |
7 |
59 |
203 |
Distillation: Processes, Separatory |
9 |
16 |
11 |
9 |
13 |
58 |
281 |
Books, Strips, and Leaves |
19 |
14 |
9 |
4 |
11 |
57 |
202 |
Distillation: Apparatus |
12 |
8 |
14 |
10 |
12 |
56 |
476 |
Friction Gear Transmission Systems or Components |
6 |
8 |
17 |
14 |
11 |
56 |
150 |
Purses, Wallets, and Protective Covers |
12 |
7 |
12 |
14 |
10 |
55 |
193 |
Conveyors, Chutes, Skids, Guides, and Ways |
14 |
9 |
15 |
7 |
10 |
55 |
059 |
Chain, Staple, and Horseshoe Making |
10 |
16 |
12 |
8 |
8 |
54 |
373 |
Industrial Electric Heating Furnaces |
15 |
6 |
14 |
9 |
9 |
53 |
038 |
Textiles: Ironing or Smoothing |
13 |
9 |
12 |
12 |
6 |
52 |
218 |
High-Voltage Switches with Arc Preventing or Extinguishing Devices |
17 |
9 |
13 |
8 |
4 |
51 |
270 |
Sheet-Material Associating |
18 |
5 |
10 |
6 |
11 |
50 |
420 |
Alloys or Metallic Compositions |
18 |
11 |
5 |
3 |
13 |
50 |
305 |
Wheel Substitutes for Land Vehicles |
9 |
10 |
7 |
10 |
13 |
49 |
238 |
Railways: Surface Track |
13 |
6 |
12 |
6 |
10 |
47 |
071 |
Chemistry: Fertilizers |
17 |
13 |
7 |
5 |
4 |
46 |
086 |
Ammunition and Explosive-Charge Making |
5 |
9 |
14 |
7 |
9 |
44 |
237 |
Heating Systems |
16 |
11 |
10 |
3 |
3 |
43 |
226 |
Advancing Material of Indeterminate Length |
8 |
9 |
9 |
8 |
6 |
40 |
512 |
Perfume Compositions |
4 |
5 |
12 |
10 |
8 |
39 |
157 |
Wheelwright Machines |
4 |
7 |
7 |
9 |
10 |
37 |
332 |
Modulators |
8 |
10 |
9 |
6 |
3 |
36 |
492 |
Roll or Roller |
10 |
11 |
6 |
5 |
4 |
36 |
213 |
Railway Draft Appliances |
10 |
4 |
7 |
8 |
6 |
35 |
470 |
Threaded, Headed Fastener, or Washer Making: Process and Apparatus |
8 |
5 |
11 |
3 |
7 |
34 |
412 |
Bookbinding: Process and Apparatus |
10 |
8 |
6 |
3 |
5 |
32 |
076 |
Metal Tools and Implements, Making |
6 |
4 |
3 |
12 |
3 |
28 |
001 |
** Classification Undetermined ** |
0 |
6 |
6 |
9 |
5 |
26 |
012 |
Boot and Shoe Making |
5 |
2 |
7 |
5 |
7 |
26 |
329 |
Demodulators |
9 |
2 |
5 |
2 |
6 |
24 |
453 |
Coin Handling |
12 |
3 |
4 |
3 |
2 |
24 |
186 |
Merchandising |
9 |
3 |
3 |
5 |
3 |
23 |
109 |
Safes, Bank Protection, or a Related Device |
5 |
9 |
2 |
2 |
4 |
22 |
388 |
Electricity: Motor Control Systems |
6 |
3 |
5 |
4 |
4 |
22 |
191 |
Electricity: Transmission To Vehicles |
7 |
4 |
6 |
1 |
2 |
20 |
168 |
Farriery |
4 |
4 |
3 |
3 |
5 |
19 |
413 |
Sheet Metal Container Making |
9 |
1 |
3 |
3 |
2 |
18 |
019 |
Textiles: Fiber Preparation |
1 |
0 |
6 |
4 |
6 |
17 |
127 |
Sugar, Starch, and Carbohydrates |
4 |
2 |
3 |
6 |
2 |
17 |
483 |
Tool Changing |
2 |
5 |
1 |
3 |
6 |
17 |
026 |
Textiles: Cloth Finishing |
5 |
2 |
3 |
4 |
2 |
16 |
159 |
Concentrating Evaporators |
1 |
9 |
1 |
2 |
2 |
15 |
289 |
Knots and Knot Tying |
4 |
2 |
3 |
2 |
4 |
15 |
178 |
Telegraphy |
8 |
1 |
2 |
2 |
1 |
14 |
023 |
Chemistry: Physical Processes |
0 |
3 |
2 |
4 |
2 |
11 |
449 |
Bee Culture (propagating, raising, caring for bees) |
3 |
2 |
4 |
1 |
1 |
11 |
087 |
Textiles: Braiding, Netting, and Lace Making |
2 |
1 |
1 |
3 |
3 |
10 |
201 |
Distillation: Processes, Thermolytic |
2 |
0 |
5 |
0 |
3 |
10 |
346 |
Recorders |
0 |
1 |
4 |
3 |
2 |
10 |
171 |
Unearthing Plants or Buried Objects |
1 |
0 |
5 |
1 |
1 |
8 |
291 |
Track Sanders |
1 |
3 |
1 |
1 |
0 |
6 |
217 |
Wooden Receptacles |
0 |
2 |
1 |
0 |
2 |
5 |
295 |
Railway Wheels and Axles |
2 |
1 |
0 |
1 |
1 |
5 |
300 |
Brush, Broom, and Mop Making |
1 |
3 |
1 |
0 |
0 |
5 |
334 |
Tuners |
0 |
1 |
2 |
1 |
1 |
5 |
185 |
Motors: Spring, Weight, or Animal Powered |
2 |
1 |
1 |
0 |
0 |
4 |
234 |
Selective Cutting (e.g., Punching) |
1 |
0 |
2 |
0 |
1 |
4 |
196 |
Mineral Oils: Apparatus |
0 |
0 |
1 |
0 |
2 |
3 |
069 |
Leather Manufactures |
0 |
1 |
0 |
1 |
0 |
2 |
231 |
Whips and Whip Apparatus |
0 |
0 |
0 |
0 |
2 |
2 |
462 |
Books, Strips, and Leaves for Manifolding |
0 |
0 |
0 |
1 |
1 |
2 |
079 |
Button Making |
0 |
1 |
0 |
0 |
0 |
1 |
245 |
Wire Fabrics and Structure |
0 |
1 |
0 |
0 |
0 |
1 |
260 |
Chemistry of Carbon Compounds |
1 |
0 |
0 |
0 |
0 |
1 |
278 |
Land Vehicles: Animal Draft Appliances |
0 |
0 |
0 |
1 |
0 |
1 |
ALL |
ALL CLASSES |
84270 |
74637 |
89823 |
79526 |
77501 |
405757 |