| 370 |
Multiplex Communications |
726 |
940 |
1193 |
1597 |
1607 |
6063 |
| 709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
618 |
683 |
824 |
1189 |
1152 |
4466 |
| 424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
652 |
630 |
714 |
987 |
1043 |
4026 |
| 707 |
DP: Database and File Management or Data Structures (Data Processing) |
418 |
453 |
661 |
1213 |
1174 |
3919 |
| 455 |
Telecommunications |
513 |
477 |
563 |
760 |
1030 |
3343 |
| 438 |
Semiconductor Device Manufacturing: Process |
582 |
472 |
504 |
715 |
704 |
2977 |
| 435 |
Chemistry: Molecular Biology and Microbiology |
529 |
486 |
487 |
675 |
645 |
2822 |
| 375 |
Pulse or Digital Communications |
462 |
446 |
494 |
639 |
641 |
2682 |
| 257 |
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) |
452 |
416 |
451 |
619 |
689 |
2627 |
| 705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
187 |
261 |
344 |
747 |
769 |
2308 |
| 345 |
Computer Graphics Processing and Selective Visual Display Systems |
388 |
333 |
419 |
518 |
591 |
2249 |
| 365 |
Static Information Storage and Retrieval |
420 |
417 |
440 |
428 |
487 |
2192 |
| 714 |
Error Detection/Correction and Fault Detection/Recovery |
404 |
402 |
415 |
493 |
466 |
2180 |
| 128 |
Surgery (includes Class 600) |
303 |
304 |
330 |
510 |
608 |
2055 |
| 711 |
Memory (Electrical Computers and Digital Processing Systems) |
375 |
384 |
346 |
395 |
480 |
1980 |
| 382 |
Image Analysis |
277 |
347 |
388 |
468 |
473 |
1953 |
| 713 |
Support (Electrical Computers and Digital Processing Systems) |
315 |
352 |
356 |
468 |
393 |
1884 |
| 360 |
Dynamic Magnetic Information Storage or Retrieval |
422 |
351 |
343 |
340 |
378 |
1834 |
| 606 |
Surgery (instruments) |
255 |
194 |
212 |
394 |
545 |
1600 |
| 715 |
DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) |
222 |
195 |
278 |
397 |
363 |
1455 |
| 716 |
Computer-Aided Design and Analysis of Circuits and Semiconductor Masks |
231 |
243 |
263 |
279 |
289 |
1305 |
| 532 |
Organic Compounds (includes Classes 532-570) |
191 |
273 |
246 |
292 |
291 |
1293 |
| 250 |
Radiant Energy |
255 |
275 |
241 |
245 |
217 |
1233 |
| 356 |
Optics: Measuring and Testing |
251 |
292 |
229 |
230 |
190 |
1192 |
| 361 |
Electricity: Electrical Systems and Devices |
234 |
218 |
223 |
271 |
231 |
1177 |
| 726 |
Information Security |
136 |
137 |
214 |
307 |
371 |
1165 |
| 359 |
Optical: Systems and Elements |
236 |
231 |
213 |
255 |
213 |
1148 |
| 710 |
Input/Output (Electrical Computers and Digital Processing Systems) |
188 |
206 |
216 |
268 |
264 |
1142 |
| 348 |
Television |
157 |
185 |
199 |
276 |
279 |
1096 |
| 340 |
Communications: Electrical |
210 |
204 |
195 |
235 |
238 |
1082 |
| 604 |
Surgery (Medicators and Receptors) |
126 |
132 |
152 |
308 |
343 |
1061 |
| 324 |
Electricity: Measuring and Testing |
196 |
205 |
203 |
239 |
210 |
1053 |
| 530 |
Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof |
277 |
278 |
132 |
180 |
173 |
1040 |
| 702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
202 |
171 |
176 |
257 |
234 |
1040 |
| 385 |
Optical Waveguides |
267 |
242 |
200 |
161 |
108 |
978 |
| 717 |
DP: Software Development, Installation, and Management (Data Processing) |
183 |
163 |
152 |
260 |
202 |
960 |
| 326 |
Electronic Digital Logic Circuitry |
203 |
205 |
192 |
206 |
153 |
959 |
| 607 |
Surgery: Light, Thermal, and Electrical Application |
193 |
108 |
153 |
224 |
280 |
958 |
| 327 |
Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems |
207 |
171 |
174 |
199 |
189 |
940 |
| 439 |
Electrical Connectors |
127 |
165 |
161 |
185 |
162 |
800 |
| 029 |
Metal Working |
156 |
132 |
139 |
158 |
160 |
745 |
| 623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
98 |
102 |
118 |
181 |
235 |
734 |
| 473 |
Games Using Tangible Projectile |
126 |
112 |
127 |
162 |
179 |
706 |
| 341 |
Coded Data Generation or Conversion |
140 |
159 |
140 |
150 |
116 |
705 |
| 704 |
DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) |
128 |
121 |
110 |
121 |
175 |
655 |
| 073 |
Measuring and Testing |
145 |
159 |
122 |
115 |
103 |
644 |
| 379 |
Telephonic Communications |
117 |
89 |
112 |
156 |
165 |
639 |
| 700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
111 |
100 |
108 |
152 |
148 |
619 |
| 362 |
Illumination |
120 |
98 |
95 |
133 |
154 |
600 |
| 725 |
Interactive Video Distribution Systems |
62 |
53 |
117 |
158 |
207 |
597 |
| 712 |
Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) |
98 |
107 |
120 |
136 |
134 |
595 |
| 330 |
Amplifiers |
145 |
104 |
108 |
126 |
101 |
584 |
| 398 |
Optical Communications |
110 |
96 |
116 |
113 |
125 |
560 |
| 428 |
Stock Material or Miscellaneous Articles |
101 |
75 |
93 |
122 |
168 |
559 |
| 422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
88 |
104 |
84 |
134 |
131 |
541 |
| 235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
81 |
107 |
94 |
140 |
111 |
533 |
| 342 |
Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) |
80 |
89 |
107 |
112 |
144 |
532 |
| 706 |
DP: Artificial Intelligence (Data Processing) |
50 |
48 |
102 |
157 |
173 |
530 |
| 703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
102 |
107 |
104 |
101 |
114 |
528 |
| 372 |
Coherent Light Generators |
110 |
92 |
111 |
116 |
93 |
522 |
| 323 |
Electricity: Power Supply or Regulation Systems |
92 |
79 |
99 |
114 |
112 |
496 |
| 358 |
Facsimile and Static Presentation Processing |
85 |
87 |
112 |
97 |
114 |
495 |
| 343 |
Communications: Radio Wave Antennas |
76 |
82 |
87 |
112 |
120 |
477 |
| 380 |
Cryptography |
87 |
65 |
101 |
110 |
96 |
459 |
| 427 |
Coating Processes |
57 |
71 |
83 |
129 |
115 |
455 |
| 701 |
DP: Vehicles, Navigation, and Relative Location (Data Processing) |
76 |
63 |
76 |
115 |
124 |
454 |
| 436 |
Chemistry: Analytical and Immunological Testing |
82 |
73 |
93 |
91 |
99 |
438 |
| 381 |
Electrical Audio Signal Processing Systems and Devices |
73 |
59 |
73 |
91 |
130 |
426 |
| 482 |
Exercise Devices |
61 |
56 |
74 |
115 |
106 |
412 |
| 280 |
Land Vehicles |
77 |
66 |
78 |
92 |
93 |
406 |
| 331 |
Oscillators |
79 |
63 |
80 |
90 |
91 |
403 |
| 210 |
Liquid Purification or Separation |
86 |
77 |
77 |
74 |
81 |
395 |
| 520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
84 |
52 |
51 |
97 |
94 |
378 |
| 718 |
Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) |
46 |
49 |
65 |
103 |
99 |
362 |
| 204 |
Chemistry: Electrical and Wave Energy |
77 |
61 |
59 |
96 |
67 |
360 |
| 719 |
Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) |
50 |
66 |
74 |
82 |
73 |
345 |
| 351 |
Optics: Eye Examining, Vision Testing and Correcting |
54 |
72 |
68 |
64 |
85 |
343 |
| 084 |
Music |
65 |
65 |
61 |
76 |
63 |
330 |
| 333 |
Wave Transmission Lines and Networks |
61 |
69 |
59 |
70 |
64 |
323 |
| 800 |
Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes |
74 |
66 |
57 |
57 |
68 |
322 |
| 430 |
Radiation Imagery Chemistry: Process, Composition, or Product Thereof |
56 |
54 |
55 |
81 |
75 |
321 |
| 052 |
Static Structures (e.g., Buildings) |
45 |
32 |
57 |
82 |
89 |
305 |
| 315 |
Electric Lamp and Discharge Devices: Systems |
55 |
60 |
50 |
48 |
90 |
303 |
| 363 |
Electric Power Conversion Systems |
45 |
55 |
56 |
66 |
78 |
300 |
| 429 |
Chemistry: Electrical Current Producing Apparatus, Product, and Process |
44 |
34 |
47 |
87 |
81 |
293 |
| 708 |
Arithmetic Processing and Calculating (Electrical Computers) |
53 |
58 |
50 |
72 |
60 |
293 |
| 156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
56 |
30 |
47 |
58 |
95 |
286 |
| 378 |
X-Ray or Gamma Ray Systems or Devices |
44 |
57 |
62 |
66 |
56 |
285 |
| 310 |
Electrical Generator or Motor Structure |
51 |
48 |
65 |
66 |
52 |
282 |
| 244 |
Aeronautics and Astronautics |
53 |
41 |
43 |
56 |
81 |
274 |
| 248 |
Supports (e.g., for holding articles, etc.) |
43 |
39 |
51 |
81 |
54 |
268 |
| 347 |
Incremental Printing of Symbolic Information |
69 |
43 |
48 |
47 |
60 |
267 |
| 206 |
Special Receptacle or Package |
44 |
51 |
42 |
51 |
52 |
240 |
| 118 |
Coating Apparatus |
31 |
44 |
35 |
62 |
66 |
238 |
| 386 |
Motion Video Signal Processing for Recording or Reproducing |
49 |
50 |
38 |
47 |
48 |
232 |
| 320 |
Electricity: Battery or Capacitor Charging or Discharging |
19 |
22 |
56 |
62 |
71 |
230 |
| 451 |
Abrading |
80 |
31 |
30 |
44 |
44 |
229 |
| 060 |
Power Plants |
40 |
26 |
42 |
53 |
61 |
222 |
| 137 |
Fluid Handling |
47 |
40 |
37 |
61 |
35 |
220 |
| 219 |
Electric Heating |
68 |
32 |
33 |
52 |
34 |
219 |
| 174 |
Electricity: Conductors and Insulators |
44 |
49 |
40 |
40 |
42 |
215 |
| 307 |
Electrical Transmission or Interconnection Systems |
22 |
22 |
42 |
54 |
75 |
215 |
| 318 |
Electricity: Motive Power Systems |
38 |
35 |
33 |
47 |
61 |
214 |
| 134 |
Cleaning and Liquid Contact with Solids |
46 |
35 |
36 |
42 |
49 |
208 |
| 264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
25 |
27 |
23 |
73 |
56 |
204 |
| 216 |
Etching a Substrate: Processes |
40 |
39 |
37 |
36 |
47 |
199 |
| 433 |
Dentistry |
48 |
34 |
20 |
35 |
58 |
195 |
| 062 |
Refrigeration |
51 |
30 |
33 |
38 |
37 |
189 |
| 369 |
Dynamic Information Storage or Retrieval |
27 |
33 |
31 |
33 |
64 |
188 |
| 446 |
Amusement Devices: Toys |
29 |
23 |
37 |
48 |
51 |
188 |
| 002 |
Apparel |
33 |
31 |
25 |
46 |
44 |
179 |
| 033 |
Geometrical Instruments |
34 |
33 |
31 |
43 |
38 |
179 |
| 015 |
Brushing, Scrubbing, and General Cleaning |
26 |
44 |
30 |
45 |
30 |
175 |
| 423 |
Chemistry of Inorganic Compounds |
26 |
20 |
36 |
58 |
29 |
169 |
| 463 |
Amusement Devices: Games |
12 |
21 |
15 |
47 |
73 |
168 |
| 220 |
Receptacles |
22 |
16 |
32 |
37 |
58 |
165 |
| 123 |
Internal-Combustion Engines |
28 |
29 |
29 |
40 |
36 |
162 |
| 136 |
Batteries: Thermoelectric and Photoelectric |
16 |
12 |
29 |
42 |
63 |
162 |
| 296 |
Land Vehicles: Bodies and Tops |
53 |
32 |
24 |
34 |
19 |
162 |
| 005 |
Beds |
25 |
28 |
21 |
45 |
39 |
158 |
| 396 |
Photography |
8 |
24 |
30 |
51 |
44 |
157 |
| 297 |
Chairs and Seats |
31 |
36 |
31 |
29 |
25 |
152 |
| 205 |
Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions |
35 |
19 |
28 |
34 |
34 |
150 |
| 273 |
Amusement Devices: Games |
24 |
34 |
28 |
37 |
20 |
143 |
| 119 |
Animal Husbandry |
21 |
26 |
23 |
31 |
39 |
140 |
| 180 |
Motor Vehicles |
19 |
20 |
20 |
33 |
44 |
136 |
| 602 |
Surgery: Splint, Brace, or Bandage |
20 |
12 |
21 |
36 |
47 |
136 |
| 239 |
Fluid Sprinkling, Spraying, and Diffusing |
32 |
28 |
20 |
30 |
24 |
134 |
| 040 |
Card, Picture, or Sign Exhibiting |
20 |
29 |
14 |
28 |
42 |
133 |
| 353 |
Optics: Image Projectors |
23 |
39 |
21 |
17 |
29 |
129 |
| 135 |
Tent, Canopy, Umbrella, or Cane |
21 |
11 |
25 |
36 |
33 |
126 |
| 252 |
Compositions |
17 |
25 |
17 |
28 |
39 |
126 |
| 004 |
Baths, Closets, Sinks, and Spittoons |
21 |
27 |
18 |
25 |
24 |
115 |
| 313 |
Electric Lamp and Discharge Devices |
18 |
21 |
22 |
27 |
27 |
115 |
| 222 |
Dispensing (apparatus and process) |
24 |
18 |
10 |
36 |
26 |
114 |
| 414 |
Material or Article Handling |
16 |
17 |
26 |
36 |
18 |
113 |
| 036 |
Boots, Shoes, and Leggings |
16 |
16 |
16 |
30 |
27 |
105 |
| 336 |
Inductor Devices |
18 |
11 |
20 |
21 |
35 |
105 |
| 290 |
Prime-Mover Dynamo Plants |
20 |
14 |
23 |
21 |
26 |
104 |
| 095 |
Gas Separation: Processes |
14 |
14 |
18 |
23 |
30 |
99 |
| 349 |
Liquid Crystal Cells, Elements and Systems |
22 |
14 |
20 |
17 |
26 |
99 |
| 434 |
Education and Demonstration |
20 |
12 |
23 |
13 |
28 |
96 |
| 355 |
Photocopying |
21 |
25 |
14 |
14 |
21 |
95 |
| 208 |
Mineral Oils: Processes and Products |
10 |
25 |
17 |
19 |
23 |
94 |
| 426 |
Food or Edible Material: Processes, Compositions, and Products |
16 |
12 |
18 |
24 |
23 |
93 |
| 404 |
Road Structure, Process, or Apparatus |
13 |
28 |
12 |
21 |
18 |
92 |
| 165 |
Heat Exchange |
27 |
13 |
15 |
18 |
15 |
88 |
| 502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
11 |
13 |
14 |
35 |
15 |
88 |
| 030 |
Cutlery |
9 |
17 |
11 |
27 |
22 |
86 |
| 417 |
Pumps |
15 |
19 |
8 |
15 |
28 |
85 |
| 425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
20 |
17 |
12 |
20 |
16 |
85 |
| 114 |
Ships |
25 |
19 |
14 |
11 |
14 |
83 |
| 508 |
Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions |
6 |
7 |
10 |
23 |
37 |
83 |
| 441 |
Buoys, Rafts, and Aquatic Devices |
22 |
17 |
11 |
15 |
17 |
82 |
| 224 |
Package and Article Carriers |
14 |
13 |
6 |
28 |
20 |
81 |
| 081 |
Tools |
28 |
8 |
9 |
16 |
18 |
79 |
| 510 |
Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions |
13 |
14 |
20 |
17 |
15 |
79 |
| 200 |
Electricity: Circuit Makers and Breakers |
14 |
19 |
15 |
16 |
14 |
78 |
| 405 |
Hydraulic and Earth Engineering |
15 |
13 |
13 |
19 |
18 |
78 |
| 141 |
Fluent Material Handling, with Receiver or Receiver Coacting Means |
19 |
16 |
13 |
18 |
11 |
77 |
| 181 |
Acoustics |
13 |
14 |
15 |
10 |
25 |
77 |
| 106 |
Compositions: Coating or Plastic |
17 |
10 |
13 |
22 |
13 |
75 |
| 399 |
Electrophotography |
10 |
6 |
10 |
29 |
20 |
75 |
| 070 |
Locks |
18 |
13 |
10 |
17 |
16 |
74 |
| 099 |
Foods and Beverages: Apparatus |
15 |
18 |
6 |
16 |
19 |
74 |
| 367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
14 |
12 |
21 |
13 |
14 |
74 |
| 601 |
Surgery: Kinesitherapy |
24 |
20 |
11 |
9 |
9 |
73 |
| 117 |
Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor |
24 |
12 |
9 |
14 |
13 |
72 |
| 294 |
Handling: Hand and Hoist-Line Implements |
18 |
10 |
14 |
15 |
15 |
72 |
| 043 |
Fishing, Trapping, and Vermin Destroying |
14 |
12 |
7 |
16 |
22 |
71 |
| 042 |
Firearms |
7 |
18 |
10 |
20 |
15 |
70 |
| 211 |
Supports: Racks |
15 |
13 |
10 |
12 |
20 |
70 |
| 285 |
Pipe Joints or Couplings |
9 |
10 |
15 |
18 |
18 |
70 |
| 374 |
Thermal Measuring and Testing |
8 |
13 |
18 |
20 |
11 |
70 |
| 228 |
Metal Fusion Bonding |
6 |
14 |
15 |
18 |
14 |
67 |
| 102 |
Ammunition and Explosives |
11 |
14 |
18 |
10 |
13 |
66 |
| 401 |
Coating Implements with Material Supply |
20 |
9 |
10 |
14 |
12 |
65 |
| 024 |
Buckles, Buttons, Clasps, Etc. |
11 |
15 |
8 |
15 |
15 |
64 |
| 053 |
Package Making |
16 |
17 |
16 |
9 |
6 |
64 |
| 166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
11 |
9 |
15 |
14 |
15 |
64 |
| 368 |
Horology: Time Measuring Systems or Devices |
10 |
17 |
12 |
10 |
14 |
63 |
| 188 |
Brakes |
15 |
8 |
15 |
11 |
13 |
62 |
| 251 |
Valves and Valve Actuation |
10 |
6 |
14 |
15 |
16 |
61 |
| 124 |
Mechanical Guns and Projectors |
5 |
13 |
9 |
16 |
16 |
59 |
| 132 |
Toilet |
20 |
8 |
10 |
5 |
16 |
59 |
| 411 |
Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener |
11 |
8 |
8 |
15 |
14 |
56 |
| 585 |
Chemistry of Hydrocarbon Compounds |
6 |
6 |
16 |
10 |
18 |
56 |
| 335 |
Electricity: Magnetically Operated Switches, Magnets, and Electromagnets |
8 |
12 |
15 |
8 |
12 |
55 |
| 126 |
Stoves and Furnaces |
5 |
7 |
7 |
17 |
18 |
54 |
| 198 |
Conveyors: Power-Driven |
13 |
14 |
12 |
8 |
7 |
54 |
| 366 |
Agitating (e.g., of articles and materials) |
10 |
16 |
11 |
7 |
9 |
53 |
| 016 |
Miscellaneous Hardware |
6 |
7 |
11 |
13 |
15 |
52 |
| 074 |
Machine Element or Mechanism |
12 |
11 |
9 |
11 |
8 |
51 |
| 096 |
Gas Separation: Apparatus |
8 |
8 |
8 |
14 |
13 |
51 |
| 108 |
Horizontally Supported Planar Surfaces |
8 |
11 |
10 |
11 |
11 |
51 |
| 089 |
Ordnance |
4 |
1 |
11 |
15 |
19 |
50 |
| 047 |
Plant Husbandry |
7 |
5 |
9 |
18 |
10 |
49 |
| 148 |
Metal Treatment |
11 |
4 |
14 |
7 |
13 |
49 |
| 160 |
Flexible or Portable Closure, Partition, or Panel |
15 |
11 |
7 |
11 |
5 |
49 |
| 415 |
Rotary Kinetic Fluid Motors or Pumps |
11 |
6 |
7 |
14 |
11 |
49 |
| 312 |
Supports: Cabinet Structure |
9 |
7 |
10 |
11 |
11 |
48 |
| 072 |
Metal Deforming |
11 |
12 |
12 |
7 |
5 |
47 |
| 227 |
Elongated-Member-Driving Apparatus |
8 |
4 |
5 |
12 |
17 |
46 |
| 384 |
Bearings |
6 |
14 |
10 |
8 |
8 |
46 |
| 475 |
Planetary Gear Transmission Systems or Components |
20 |
11 |
5 |
8 |
2 |
46 |
| 044 |
Fuel and Related Compositions |
6 |
5 |
9 |
9 |
16 |
45 |
| 292 |
Closure Fasteners |
13 |
7 |
6 |
13 |
6 |
45 |
| 254 |
Implements or Apparatus for Applying Pushing or Pulling Force |
4 |
18 |
5 |
9 |
7 |
43 |
| 242 |
Winding, Tensioning, or Guiding |
8 |
13 |
9 |
5 |
7 |
42 |
| 376 |
Induced Nuclear Reactions: Processes, Systems, and Elements |
4 |
2 |
15 |
9 |
11 |
41 |
| 506 |
Combinatorial Chemistry Technology: Method, Library, Apparatus |
3 |
6 |
7 |
8 |
17 |
41 |
| 221 |
Article Dispensing |
14 |
5 |
6 |
6 |
9 |
40 |
| 175 |
Boring or Penetrating the Earth |
8 |
5 |
9 |
9 |
8 |
39 |
| 271 |
Sheet Feeding or Delivering |
5 |
8 |
6 |
8 |
12 |
39 |
| 431 |
Combustion |
12 |
6 |
9 |
8 |
4 |
39 |
| 209 |
Classifying, Separating, and Assorting Solids |
12 |
9 |
4 |
8 |
5 |
38 |
| 416 |
Fluid Reaction Surfaces (i.e., Impellers) |
7 |
5 |
7 |
7 |
12 |
38 |
| 055 |
Gas Separation |
7 |
12 |
9 |
4 |
5 |
37 |
| 400 |
Typewriting Machines |
12 |
5 |
3 |
8 |
9 |
37 |
| 101 |
Printing |
4 |
5 |
7 |
13 |
7 |
36 |
| 138 |
Pipes and Tubular Conduits |
4 |
2 |
7 |
13 |
9 |
35 |
| 392 |
Electric Resistance Heating Devices |
8 |
4 |
3 |
11 |
9 |
35 |
| 083 |
Cutting |
6 |
4 |
4 |
9 |
10 |
33 |
| 332 |
Modulators |
1 |
2 |
8 |
13 |
9 |
33 |
| 450 |
Foundation Garments |
2 |
7 |
9 |
10 |
5 |
33 |
| 472 |
Amusement Devices |
4 |
4 |
2 |
11 |
12 |
33 |
| 269 |
Work Holders |
7 |
3 |
2 |
12 |
8 |
32 |
| 403 |
Joints and Connections |
1 |
12 |
5 |
6 |
8 |
32 |
| 144 |
Woodworking |
4 |
3 |
6 |
6 |
11 |
30 |
| 215 |
Bottles and Jars |
13 |
1 |
7 |
4 |
5 |
30 |
| 410 |
Freight Accommodation On Freight Carrier |
3 |
7 |
5 |
7 |
8 |
30 |
| 034 |
Drying and Gas or Vapor Contact with Solids |
6 |
11 |
4 |
4 |
4 |
29 |
| 229 |
Envelopes, Wrappers, and Paperboard Boxes |
7 |
5 |
8 |
7 |
2 |
29 |
| 476 |
Friction Gear Transmission Systems or Components |
14 |
8 |
1 |
4 |
2 |
29 |
| 301 |
Land Vehicles: Wheels and Axles |
3 |
5 |
8 |
5 |
7 |
28 |
| 075 |
Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures |
5 |
3 |
4 |
8 |
7 |
27 |
| 104 |
Railways |
4 |
3 |
3 |
8 |
9 |
27 |
| 182 |
Fire Escape, Ladder, or Scaffold |
11 |
5 |
3 |
3 |
5 |
27 |
| 241 |
Solid Material Comminution or Disintegration |
5 |
7 |
4 |
6 |
5 |
27 |
| 720 |
Dynamic Optical Information Storage or Retrieval |
0 |
8 |
7 |
5 |
7 |
27 |
| 056 |
Harvesters |
4 |
4 |
5 |
9 |
4 |
26 |
| 048 |
Gas: Heating and Illuminating |
4 |
5 |
6 |
6 |
4 |
25 |
| 152 |
Resilient Tires and Wheels |
5 |
5 |
5 |
3 |
7 |
25 |
| 169 |
Fire Extinguishers |
6 |
5 |
2 |
9 |
3 |
25 |
| 236 |
Automatic Temperature and Humidity Regulation |
6 |
7 |
2 |
5 |
5 |
25 |
| 261 |
Gas and Liquid Contact Apparatus |
2 |
3 |
8 |
8 |
4 |
25 |
| 440 |
Marine Propulsion |
8 |
6 |
4 |
6 |
1 |
25 |
| 116 |
Signals and Indicators |
7 |
3 |
6 |
3 |
4 |
23 |
| 223 |
Apparel Apparatus |
8 |
4 |
2 |
3 |
6 |
23 |
| 322 |
Electricity: Single Generator Systems |
4 |
7 |
3 |
2 |
7 |
23 |
| 125 |
Stone Working |
10 |
4 |
1 |
5 |
2 |
22 |
| 187 |
Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle |
6 |
6 |
3 |
3 |
4 |
22 |
| 065 |
Glass Manufacturing |
3 |
7 |
3 |
5 |
3 |
21 |
| 383 |
Flexible Bags |
3 |
4 |
4 |
4 |
6 |
21 |
| 445 |
Electric Lamp or Space Discharge Component or Device Manufacturing |
3 |
5 |
3 |
5 |
3 |
19 |
| 454 |
Ventilation |
4 |
2 |
4 |
5 |
4 |
19 |
| 850 |
Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] |
0 |
0 |
1 |
9 |
9 |
19 |
| 338 |
Electrical Resistors |
4 |
3 |
2 |
7 |
2 |
18 |
| 408 |
Cutting by Use of Rotating Axially Moving Tool |
6 |
2 |
2 |
3 |
5 |
18 |
| 063 |
Jewelry |
6 |
4 |
1 |
3 |
3 |
17 |
| 100 |
Presses |
2 |
3 |
5 |
3 |
4 |
17 |
| 110 |
Furnaces |
4 |
3 |
3 |
4 |
3 |
17 |
| 150 |
Purses, Wallets, and Protective Covers |
4 |
1 |
5 |
5 |
2 |
17 |
| 518 |
Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof |
2 |
2 |
1 |
4 |
8 |
17 |
| 082 |
Turning (e.g., for metal working) |
2 |
7 |
3 |
4 |
0 |
16 |
| 352 |
Optics: Motion Pictures |
2 |
5 |
3 |
2 |
4 |
16 |
| 377 |
Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems |
4 |
4 |
0 |
1 |
7 |
16 |
| 409 |
Gear Cutting, Milling, or Planing |
4 |
1 |
3 |
3 |
5 |
16 |
| 412 |
Bookbinding: Process and Apparatus |
2 |
3 |
3 |
7 |
1 |
16 |
| 008 |
Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers |
3 |
4 |
1 |
4 |
3 |
15 |
| 049 |
Movable or Removable Closures |
2 |
5 |
4 |
2 |
2 |
15 |
| 131 |
Tobacco |
1 |
0 |
3 |
4 |
7 |
15 |
| 249 |
Static Molds |
4 |
3 |
1 |
2 |
5 |
15 |
| 277 |
Seal for a Joint or Juncture |
3 |
5 |
3 |
3 |
1 |
15 |
| 281 |
Books, Strips, and Leaves |
2 |
2 |
2 |
5 |
4 |
15 |
| 501 |
Compositions: Ceramic |
3 |
0 |
1 |
4 |
7 |
15 |
| 516 |
Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting |
6 |
1 |
2 |
5 |
1 |
15 |
| 173 |
Tool Driving or Impacting |
5 |
0 |
5 |
2 |
2 |
14 |
| 177 |
Weighing Scales |
5 |
1 |
1 |
2 |
5 |
14 |
| 190 |
Trunks and Hand-Carried Luggage |
3 |
3 |
4 |
2 |
2 |
14 |
| 419 |
Powder Metallurgy Processes |
2 |
3 |
4 |
2 |
3 |
14 |
| 493 |
Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web |
1 |
3 |
5 |
4 |
1 |
14 |
| 122 |
Liquid Heaters and Vaporizers |
3 |
4 |
0 |
2 |
4 |
13 |
| 432 |
Heating |
3 |
3 |
1 |
2 |
4 |
13 |
| 267 |
Spring Devices |
1 |
2 |
1 |
4 |
4 |
12 |
| 442 |
Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) |
1 |
4 |
2 |
3 |
2 |
12 |
| 014 |
Bridges |
1 |
5 |
1 |
0 |
4 |
11 |
| 027 |
Undertaking |
2 |
1 |
3 |
1 |
4 |
11 |
| 092 |
Expansible Chamber Devices |
3 |
1 |
2 |
3 |
2 |
11 |
| 105 |
Railway Rolling Stock |
0 |
1 |
4 |
1 |
5 |
11 |
| 149 |
Explosive and Thermic Compositions or Charges |
0 |
0 |
0 |
4 |
7 |
11 |
| 283 |
Printed Matter |
1 |
1 |
1 |
2 |
6 |
11 |
| 329 |
Demodulators |
1 |
2 |
3 |
2 |
3 |
11 |
| 474 |
Endless Belt Power Transmission Systems or Components |
2 |
0 |
2 |
7 |
0 |
11 |
| 051 |
Abrasive Tool Making Process, Material, or Composition |
4 |
2 |
1 |
2 |
1 |
10 |
| 164 |
Metal Founding |
2 |
2 |
5 |
0 |
1 |
10 |
| 256 |
Fences |
2 |
2 |
2 |
3 |
1 |
10 |
| 505 |
Superconductor Technology: Apparatus, Material, Process |
2 |
2 |
1 |
2 |
3 |
10 |
| 507 |
Earth Boring, Well Treating, and Oil Field Chemistry |
1 |
3 |
2 |
3 |
1 |
10 |
| 054 |
Harness for Working Animal |
3 |
2 |
4 |
0 |
0 |
9 |
| 172 |
Earth Working |
0 |
0 |
3 |
4 |
2 |
9 |
| 192 |
Clutches and Power-Stop Control |
2 |
0 |
3 |
3 |
1 |
9 |
| 202 |
Distillation: Apparatus |
0 |
1 |
3 |
4 |
1 |
9 |
| 225 |
Severing by Tearing or Breaking |
4 |
2 |
1 |
1 |
1 |
9 |
| 477 |
Interrelated Power Delivery Controls, Including Engine Control |
1 |
2 |
1 |
3 |
2 |
9 |
| 111 |
Planting |
1 |
1 |
2 |
2 |
2 |
8 |
| 112 |
Sewing |
1 |
1 |
1 |
3 |
2 |
8 |
| 270 |
Sheet-Material Associating |
0 |
2 |
5 |
0 |
1 |
8 |
| 279 |
Chucks or Sockets |
1 |
2 |
3 |
1 |
1 |
8 |
| 337 |
Electricity: Electrothermally or Thermally Actuated Switches |
3 |
0 |
1 |
3 |
1 |
8 |
| 464 |
Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts |
2 |
2 |
0 |
3 |
1 |
8 |
| 588 |
Hazardous or Toxic Waste Destruction or Containment |
2 |
0 |
0 |
2 |
4 |
8 |
| 012 |
Boot and Shoe Making |
0 |
1 |
1 |
3 |
2 |
7 |
| 071 |
Chemistry: Fertilizers |
2 |
0 |
0 |
1 |
4 |
7 |
| 140 |
Wireworking |
1 |
1 |
1 |
2 |
2 |
7 |
| 194 |
Check-Actuated Control Mechanisms |
1 |
1 |
0 |
2 |
3 |
7 |
| 238 |
Railways: Surface Track |
2 |
2 |
2 |
1 |
0 |
7 |
| 402 |
Binder Device Releasably Engaging Aperture or Notch of Sheet |
2 |
1 |
0 |
4 |
0 |
7 |
| 452 |
Butchering |
1 |
1 |
3 |
1 |
1 |
7 |
| 007 |
Compound Hand Tools |
1 |
0 |
2 |
1 |
2 |
6 |
| 232 |
Deposit and Collection Receptacles |
3 |
1 |
1 |
1 |
0 |
6 |
| 246 |
Railway Switches and Signals |
2 |
1 |
0 |
1 |
2 |
6 |
| 303 |
Fluid-Pressure and Analogous Brake Systems |
0 |
1 |
2 |
2 |
1 |
6 |
| 406 |
Conveyors: Fluid Current |
1 |
1 |
1 |
1 |
2 |
6 |
| 418 |
Rotary Expansible Chamber Devices |
0 |
2 |
1 |
1 |
2 |
6 |
| 494 |
Imperforate Bowl: Centrifugal Separators |
0 |
0 |
2 |
2 |
2 |
6 |
| 504 |
Plant Protecting and Regulating Compositions |
2 |
1 |
1 |
2 |
0 |
6 |
| 203 |
Distillation: Processes, Separatory |
0 |
0 |
4 |
1 |
0 |
5 |
| 212 |
Traversing Hoists |
1 |
0 |
2 |
1 |
1 |
5 |
| 293 |
Vehicle Fenders |
1 |
2 |
1 |
1 |
0 |
5 |
| 037 |
Excavating |
0 |
0 |
2 |
2 |
0 |
4 |
| 057 |
Textiles: Spinning, Twisting, and Twining |
0 |
0 |
1 |
2 |
1 |
4 |
| 066 |
Textiles: Knitting |
1 |
0 |
0 |
3 |
0 |
4 |
| 157 |
Wheelwright Machines |
2 |
0 |
0 |
2 |
0 |
4 |
| 162 |
Paper Making and Fiber Liberation |
0 |
0 |
2 |
0 |
2 |
4 |
| 191 |
Electricity: Transmission To Vehicles |
0 |
1 |
0 |
0 |
3 |
4 |
| 299 |
Mining or In Situ Disintegration of Hard Material |
0 |
2 |
1 |
1 |
0 |
4 |
| 334 |
Tuners |
1 |
1 |
1 |
1 |
0 |
4 |
| 420 |
Alloys or Metallic Compositions |
0 |
2 |
0 |
2 |
0 |
4 |
| 503 |
Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor |
0 |
1 |
1 |
2 |
0 |
4 |
| 023 |
Chemistry: Physical Processes |
0 |
0 |
0 |
2 |
1 |
3 |
| 026 |
Textiles: Cloth Finishing |
1 |
1 |
0 |
0 |
1 |
3 |
| 038 |
Textiles: Ironing or Smoothing |
1 |
1 |
1 |
0 |
0 |
3 |
| 059 |
Chain, Staple, and Horseshoe Making |
0 |
2 |
0 |
1 |
0 |
3 |
| 178 |
Telegraphy |
1 |
1 |
1 |
0 |
0 |
3 |
| 184 |
Lubrication |
0 |
2 |
0 |
0 |
1 |
3 |
| 289 |
Knots and Knot Tying |
1 |
0 |
1 |
1 |
0 |
3 |
| 068 |
Textiles: Fluid Treating Apparatus |
0 |
0 |
0 |
2 |
0 |
2 |
| 086 |
Ammunition and Explosive-Charge Making |
1 |
0 |
0 |
0 |
1 |
2 |
| 091 |
Motors: Expansible Chamber Type |
0 |
0 |
1 |
0 |
1 |
2 |
| 109 |
Safes, Bank Protection, or a Related Device |
0 |
1 |
0 |
1 |
0 |
2 |
| 168 |
Farriery |
1 |
0 |
1 |
0 |
0 |
2 |
| 213 |
Railway Draft Appliances |
0 |
2 |
0 |
0 |
0 |
2 |
| 237 |
Heating Systems |
0 |
0 |
0 |
0 |
2 |
2 |
| 346 |
Recorders |
1 |
1 |
0 |
0 |
0 |
2 |
| 388 |
Electricity: Motor Control Systems |
0 |
1 |
0 |
1 |
0 |
2 |
| 407 |
Cutters, for Shaping |
1 |
1 |
0 |
0 |
0 |
2 |
| 470 |
Threaded, Headed Fastener, or Washer Making: Process and Apparatus |
0 |
1 |
0 |
1 |
0 |
2 |
| 492 |
Roll or Roller |
0 |
0 |
0 |
0 |
2 |
2 |
| 019 |
Textiles: Fiber Preparation |
0 |
0 |
0 |
0 |
1 |
1 |
| 076 |
Metal Tools and Implements, Making |
1 |
0 |
0 |
0 |
0 |
1 |
| 087 |
Textiles: Braiding, Netting, and Lace Making |
0 |
1 |
0 |
0 |
0 |
1 |
| 127 |
Sugar, Starch, and Carbohydrates |
0 |
0 |
0 |
0 |
1 |
1 |
| 139 |
Textiles: Weaving |
0 |
0 |
0 |
0 |
1 |
1 |
| 159 |
Concentrating Evaporators |
0 |
0 |
0 |
1 |
0 |
1 |
| 193 |
Conveyors, Chutes, Skids, Guides, and Ways |
0 |
1 |
0 |
0 |
0 |
1 |
| 201 |
Distillation: Processes, Thermolytic |
0 |
0 |
0 |
1 |
0 |
1 |
| 231 |
Whips and Whip Apparatus |
0 |
1 |
0 |
0 |
0 |
1 |
| 266 |
Metallurgical Apparatus |
0 |
0 |
0 |
0 |
1 |
1 |
| 314 |
Electric Lamp and Discharge Devices: Consumable Electrodes |
0 |
0 |
1 |
0 |
0 |
1 |
| 462 |
Books, Strips, and Leaves for Manifolding |
1 |
0 |
0 |
0 |
0 |
1 |
| 483 |
Tool Changing |
0 |
1 |
0 |
0 |
0 |
1 |
| 512 |
Perfume Compositions |
0 |
1 |
0 |
0 |
0 |
1 |
| ALL |
ALL CLASSES |
19600 |
19182 |
20648 |
27337 |
28148 |
114915 |