2. Classes

Class Grant Rates

We have statistics for each patent class. Use the links below to see statistics about each one.

Class Description 3YGR Number
002 Apparel 0% 0
004 Baths, closets, sinks, and spittoons 0% 0
005 Beds 0% 0
007 Compound tools 0% 0
008 Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers 0% 0
012 Boot and shoe making 0% 0
014 Bridges 0% 0
015 Brushing, scrubbing, and general cleaning 0% 0
016 Miscellaneous hardware (e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.) 0% 0
019 Textiles: fiber preparation 0% 0
023 Chemistry: physical processes 0% 0
024 Buckles, buttons, clasps, etc. 0% 0
026 Textiles: cloth finishing 0% 0
027 Undertaking 0% 0
028 Textiles: manufacturing 0% 0
029 Metal working 0% 0
030 Cutlery 0% 0
033 Geometrical instruments 0% 0
034 Drying and gas or vapor contact with solids 0% 0
036 Boots, shoes, and leggings 0% 0
037 Excavating 0% 0
038 Textiles: ironing or smoothing 0% 0
040 Card, picture, or sign exhibiting 0% 0
042 Firearms 0% 0
043 Fishing, trapping, and vermin destroying 0% 0
044 Fuel and related compositions 0% 0
047 Plant husbandry 0% 0
048 Gas: heating and illuminating 0% 0
049 Movable or removable closures 0% 0
051 Abrasive tool making process, material, or composition 0% 0
052 Static structures (e.g., buildings) 0% 0
053 Package making 0% 0
054 Harness for working animal 0% 0
055 Gas separation 0% 0
056 Harvesters 0% 0
057 Textiles: spinning, twisting, and twining 0% 0
059 Chain, staple, and horseshoe making 0% 0
060 Power plants 0% 0
062 Refrigeration 0% 0
063 Jewelry 0% 0
065 Glass manufacturing 0% 0
066 Textiles: knitting 0% 0
068 Textiles: fluid treating apparatus 0% 0
069 Leather manufactures 0% 0
070 Locks 0% 0
071 Chemistry: fertilizers 0% 0
072 Metal deforming 0% 0
073 Measuring and testing 0% 0
074 Machine element or mechanism 0% 0
075 Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures 0% 0
076 Metal tools and implements, making 0% 0
079 Button making 0% 0
081 Tools 0% 0
082 Turning 0% 0
083 Cutting 0% 0
084 Music 0% 0
086 Ammunition and explosive-charge making 0% 0
087 Textiles: braiding, netting, and lace making 0% 0
089 Ordnance 0% 0
091 Motors: expansible chamber type 0% 0
092 Expansible chamber devices 0% 0
095 Gas separation: processes 0% 0
096 Gas separation: apparatus 0% 0
099 Foods and beverages: apparatus 0% 0
100 Presses 78% 621
101 Printing 69% 1611
102 Ammunition and explosives 80% 1514
104 Railways 84% 604
105 Railway rolling stock 86% 592
106 Compositions: coating or plastic 68% 2504
108 Horizontally supported planar surfaces 79% 1822
109 Safes, bank protection, or a related device 69% 104
110 Furnaces 71% 258
111 Planting 80% 279
112 Sewing 85% 392
114 Ships 84% 2489
116 Signals and indicators 69% 441
117 Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor 73% 1264
118 Coating apparatus 62% 4444
119 Animal husbandry 61% 4538
122 Liquid heaters and vaporizers 78% 565
123 Internal-combustion engines 83% 8398
124 Mechanical guns and projectors 82% 786
125 Stone working 49% 101
126 Stoves and furnaces 71% 1744
127 Sugar, starch, and carbohydrates 72% 170
128 Surgery 64% 6657
131 Tobacco 67% 4188
132 Toilet 42% 1745
134 Cleaning and liquid contact with solids 73% 4596
135 Tent, canopy, umbrella, or cane 76% 1234
136 Batteries: thermoelectric and photoelectric 53% 5294
137 Fluid handling 80% 6334
138 Pipes and tubular conduits 75% 657
139 Textiles: weaving 75% 355
140 Wireworking 81% 191
141 Fluent material handling, with receiver or receiver coacting means 83% 2255
142 Wood turning 100% 2
144 Woodworking 76% 360
147 Coopering 67% 3
148 Metal treatment 65% 3326
149 Explosive and thermic compositions or charges 70% 261
150 Purses, wallets, and protective covers 56% 423
152 Resilient tires and wheels 57% 3486
156 Adhesive bonding and miscellaneous chemical manufacture 71% 8857
157 Wheelwright machines 75% 106
159 Concentrating evaporators 75% 137
160 Flexible or portable closure, partition, or panel 63% 1963
162 Paper making and fiber liberation 74% 1029
163 Needle and pin making 100% 1
164 Metal founding 74% 1534
165 Heat exchange 67% 5262
166 Wells 83% 12717
168 Farriery 34% 41
169 Fire extinguishers 67% 1052
171 Unearthing plants or buried objects 84% 31
172 Earth working 80% 1020
173 Tool driving or impacting 78% 1393
174 Electricity: conductors and insulators 86% 7302
175 Boring or penetrating the earth 84% 3177
177 Weighing scales 81% 696
178 Telegraphy 73% 22
180 Motor vehicles 87% 5673
181 Acoustics 79% 1579
182 Fire escape, ladder, or scaffold 65% 1046
184 Lubrication 81% 666
185 Motors: spring, weight, or animal powered 67% 42
186 Merchandising 42% 24
187 Elevator, industrial lift truck, or stationary lift for vehicle 75% 1873
188 Brakes 82% 3323
190 Trunks and hand-carried luggage 55% 506
191 Electricity: transmission to vehicles 79% 192
192 192 clutches and power-stop control 86% 1949
193 Conveyors, chutes, skids, guides, and ways 91% 225
194 Check-actuated control mechanisms 51% 150
196 Mineral oils: apparatus 84% 45
198 Conveyors: power-driven 93% 3871
199 Type casting 0% 0
200 Electricity: circuit makers and breakers 85% 1772
201 Distillation: processes, thermolytic 74% 205
202 Distillation: apparatus 75% 405
203 Distillation: processes, separatory 77% 474
204 Chemistry: electrical and wave energy 67% 4946
205 Electrolysis: processes, compositions used therein, and methods of preparing the compositions 65% 3129
206 Special receptacle or package 66% 6560
208 Mineral oils: processes and products 78% 1933
209 Classifying, separating, and assorting solids 81% 1769
210 Liquid purification or separation 68% 9652
211 Supports: racks 76% 2171
212 Traversing hoists 88% 360
213 Railway draft appliances 89% 98
215 Bottles and jars 67% 1740
216 Etching a substrate: processes 85% 1165
217 Wooden receptacles 50% 8
218 High-voltage switches with arc preventing or extinguishing devices 93% 554
219 Electric heating 67% 6898
220 Receptacles 67% 6233
221 Article dispensing 67% 1326
222 Dispensing 78% 3659
223 Apparel apparatus 54% 234
224 Package and article carriers 71% 4087
225 Severing by tearing or breaking 69% 208
226 Advancing material of indeterminate length 88% 119
227 Elongated-member-driving apparatus 82% 2901
228 Metal fusion bonding 73% 1826
229 Envelopes, wrappers, and paperboard boxes 70% 1262
231 Whips and whip apparatus 33% 3
232 Deposit and collection receptacles 79% 326
234 Selective cutting (e.g., punching) 100% 2
235 Registers 85% 8319
236 Automatic temperature and humidity regulation 74% 584
237 Heating systems 59% 193
238 Railways: surface track 78% 193
239 Fluid sprinkling, spraying, and diffusing 67% 3993
241 Solid material comminution or disintegration 64% 890
242 Winding, tensioning, or guiding 84% 1636
244 Aeronautics and astronautics 82% 9236
245 Wire fabrics and structure 73% 11
246 Railway switches and signals 85% 374
248 Supports 79% 8085
249 Static molds 61% 152
250 Radiant energy 87% 14792
251 Valves and valve actuation 81% 3079
252 Compositions 72% 6664
254 Implements or apparatus for applying pushing or pulling force 75% 907
256 Fences 70% 689
257 Active solid-state devices (e.g., transistors, solid-state diodes) 88% 77026
258 Railway mail delivery 0% 0
260 Chemistry of carbon compounds 25% 4
261 Gas and liquid contact apparatus 76% 1170
264 Plastic and nonmetallic article shaping or treating: processes 68% 12290
266 Metallurgical apparatus 75% 339
267 Spring devices 79% 1102
269 Work holders 75% 1150
270 Sheet-material associating 91% 557
271 Sheet feeding or delivering 86% 2294
273 Amusement devices: games 45% 963
276 Typesetting 0% 0
277 Seal for a joint or juncture 79% 2408
278 Land vehicles: animal draft appliances 0% 0
279 Chucks or sockets 84% 172
280 Land vehicles 86% 8834
281 Books, strips, and leaves 64% 94
283 Printed matter 68% 516
285 Pipe joints or couplings 76% 3103
289 Knots and knot tying 87% 39
290 Prime-mover dynamo plants 72% 2555
291 Track sanders 94% 17
292 Closure fasteners 75% 2350
293 Vehicle fenders 87% 301
294 Handling: hand and hoist-line implements 84% 1166
295 Railway wheels and axles 77% 22
296 Land vehicles: bodies and tops 89% 4651
297 Chairs and seats 85% 6022
298 Land vehicles: dumping 74% 34
299 Mining or in situ disintegration of hard material 82% 201
300 Brush, broom, and mop making 62% 37
301 Land vehicles: wheels and axles 77% 745
303 Fluid-pressure and analogous brake systems 82% 1389
305 Wheel substitutes for land vehicles 83% 256
307 Electrical transmission or interconnection systems 84% 10167
310 Electrical generator or motor structure 80% 10498
312 Supports: cabinet structure 83% 2987
313 Electric lamp and discharge devices 94% 960
314 Electric lamp and discharge devices: consumable electrodes 0% 0
315 Electric lamp and discharge devices: systems 88% 7210
318 Electricity: motive power systems 89% 5947
320 Electricity: battery or capacitor charging or discharging 81% 8687
322 Electricity: single generator systems 82% 224
323 Electricity: power supply or regulation systems 91% 3866
324 Electricity: measuring and testing 88% 17992
326 Electronic digital logic circuitry 94% 1225
327 Miscellaneous active electrical nonlinear devices, circuits, and systems 93% 7223
329 Demodulators 100% 33
330 Amplifiers 94% 2646
331 Oscillators 93% 1802
332 Modulators 98% 63
333 Wave transmission lines and networks 90% 3346
334 Tuners 88% 8
335 Electricity: magnetically operated switches, magnets, and electromagnets 84% 1294
336 Inductor devices 82% 2834
337 Electricity: electrothermally or thermally actuated switches 82% 546
338 Electrical resistors 93% 440
340 Communications: electrical 83% 23375
341 Coded data generation or conversion 95% 3111
342 Communications: directive radio wave systems and devices (e.g., radar, radio navigation) 85% 5921
343 Communications: radio wave antennas 88% 8391
345 Computer graphics processing and selective visual display systems 84% 63425
346 Recorders 80% 15
347 Incremental printing of symbolic information 88% 11873
348 Television 83% 36882
349 Liquid crystal cells, elements and systems 79% 7611
351 Optics: eye examining, vision testing and correcting 79% 3689
352 Optics: motion pictures 60% 20
353 Optics: image projectors 85% 2573
355 Photocopying 90% 2354
356 Optics: measuring and testing 87% 12657
358 Facsimile and static presentation processing 86% 10486
359 Optical: systems and elements 83% 17994
360 Dynamic magnetic information storage or retrieval 93% 1819
361 Electricity: electrical systems and devices 88% 20766
362 Illumination 84% 15326
363 Electric power conversion systems 91% 4810
365 Static information storage and retrieval 95% 12685
366 Agitating 74% 2032
367 Communications, electrical: acoustic wave systems and devices 75% 2363
368 Horology: time measuring systems or devices 82% 1369
369 Dynamic information storage or retrieval 90% 462
370 Multiplex communications 86% 84111
372 Coherent light generators 82% 2725
373 Industrial electric heating furnaces 77% 135
374 Thermal measuring and testing 85% 1446
375 Pulse or digital communications 89% 25782
376 Induced nuclear reactions: processes, systems, and elements 68% 1228
377 Electrical pulse counters, pulse dividers, or shift registers: circuits and systems 86% 484
378 X-ray or gamma ray systems or devices 89% 4929
379 Telephonic communications 88% 3717
380 Cryptography 87% 3135
381 Electrical audio signal processing systems and devices 87% 15926
382 Image analysis 88% 41888
383 Flexible bags 55% 641
384 Bearings 87% 1953
385 Optical waveguides 87% 9802
386 Motion video signal processing for recording or reproducing 80% 2975
388 Electricity: motor control systems 89% 37
392 Electric resistance heating devices 67% 1095
396 Photography 85% 1672
398 Optical communications 89% 6499
399 Electrophotography 91% 9648
400 Typewriting machines 84% 391
401 Coating implements with material supply 77% 1405
402 Binder device releasably engaging aperture or notch of sheet 72% 72
403 Joints and connections 76% 2207
404 Road structure, process, or apparatus 81% 1491
405 Hydraulic and earth engineering 79% 2570
406 Conveyors: fluid current 85% 384
407 Cutters, for shaping 82% 621
408 Cutting by use of rotating axially moving tool 75% 575
409 Gear cutting, milling, or planing 70% 496
410 Freight accommodation on freight carrier 80% 159
411 Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener 63% 778
412 Bookbinding: process and apparatus 81% 53
413 Sheet metal container making 69% 26
414 Material or article handling 82% 3958
415 Rotary kinetic fluid motors or pumps 83% 6725
416 Fluid reaction surfaces (i.e., impellers) 80% 4822
417 Pumps 70% 4783
418 Rotary expansible chamber devices 80% 1127
419 Powder metallurgy processes 53% 1568
420 Alloys or metallic compositions 60% 1612
422 Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing 72% 9999
423 Chemistry of inorganic compounds 74% 4137
424 Drug, bio-affecting and body treating compositions 54% 60309
425 Plastic article or earthenware shaping or treating: apparatus 68% 3537
426 Food or edible material: processes, compositions, and products 31% 8369
427 Coating processes 62% 7965
428 Stock material or miscellaneous articles 63% 29904
429 Chemistry: electrical current producing apparatus, product, and process 76% 25270
430 Radiation imagery chemistry: process, composition, or product thereof 70% 3151
431 Combustion 72% 925
432 Heating 75% 328
433 Dentistry 59% 3146
434 Education and demonstration 57% 5825
435 Chemistry: molecular biology and microbiology 57% 32118
436 Chemistry: analytical and immunological testing 67% 4980
438 Semiconductor device manufacturing: process 88% 16473
439 Electrical connectors 90% 8390
440 Marine propulsion 87% 1231
441 Buoys, rafts, and aquatic devices 78% 782
442 Fabric (woven, knitted, or nonwoven textile or cloth, etc.) 47% 2658
445 Electric lamp or space discharge component or device manufacturing 94% 130
446 Amusement devices: toys 58% 1419
449 Bee culture 55% 91
450 Foundation garments 69% 590
451 Abrading 61% 1399
452 Butchering 93% 530
453 Coin handling 67% 58
454 Ventilation 73% 2048
455 Telecommunications 86% 32554
460 Crop threshing or separating 91% 385
462 Books, strips, and leaves for manifolding 100% 3
463 Amusement devices: games 80% 12133
464 Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts 78% 844
470 Threaded, headed fastener, or washer making: process and apparatus 76% 29
472 Amusement devices 63% 118
473 Games using tangible projectile 71% 5077
474 Endless belt power transmission systems or components 85% 1209
475 Planetary gear transmission systems or components 86% 2714
476 Friction gear transmission systems or components 66% 38
477 Interrelated power delivery controls, including engine control 92% 959
482 Exercise devices 74% 4600
483 Tool changing 77% 226
492 Roll or roller 88% 92
493 Manufacturing container or tube from paper; or other manufacturing from a sheet or web 68% 768
494 Imperforate bowl: centrifugal separators 79% 428
501 Compositions: ceramic 83% 1056
502 Catalyst, solid sorbent, or support therefor: product or process of making 74% 3192
503 Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor 74% 93
504 Plant protecting and regulating compositions 47% 1766
505 Superconductor technology: apparatus, material, process 75% 246
506 Combinatorial chemistry technology: method, library, apparatus 59% 2555
507 Earth boring, well treating, and oil field chemistry 76% 1746
508 Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions 64% 2071
510 Cleaning compositions for solid surfaces, auxiliary compositions therefor, or processes of preparing the compositions 65% 2378
512 Perfume compositions 74% 270
514 Drug, bio-affecting and body treating compositions 59% 48423
516 Colloid systems and wetting agents; subcombinations thereof; processes of 61% 165
518 Chemistry: fischer-tropsch processes; or purification or recovery of products thereof 82% 362
520 Synthetic resins or natural rubbers -- part of the class 520 series 88% 8
521 Synthetic resins or natural rubbers -- part of the class 520 series 64% 1836
522 Synthetic resins or natural rubbers -- part of the class 520 series 81% 1221
523 Synthetic resins or natural rubbers -- part of the class 520 series 73% 3118
524 Synthetic resins or natural rubbers -- part of the class 520 series 67% 6491
525 Synthetic resins or natural rubbers -- part of the class 520 series 74% 3618
526 Synthetic resins or natural rubbers -- part of the class 520 series 84% 1962
527 Synthetic resins or natural rubbers -- part of the class 520 series 81% 77
528 Synthetic resins or natural rubbers -- part of the class 520 series 73% 3411
530 Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof 58% 3017
532 Organic compounds -- part of the class 532-570 series 100% 3
534 Organic compounds -- part of the class 532-570 series 77% 108
536 Organic compounds -- part of the class 532-570 series 70% 2368
540 Organic compounds -- part of the class 532-570 series 77% 611
544 Organic compounds -- part of the class 532-570 series 78% 2495
546 Organic compounds -- part of the class 532-570 series 78% 1931
548 Organic compounds -- part of the class 532-570 series 78% 1931
549 Organic compounds -- part of the class 532-570 series 80% 1260
552 Organic compounds -- part of the class 532-570 series 60% 53
554 Organic compounds -- part of the class 532-570 series 87% 489
556 Organic compounds -- part of the class 532-570 series 79% 648
558 Organic compounds -- part of the class 532-570 series 79% 448
560 Organic compounds -- part of the class 532-570 series 81% 799
562 Organic compounds -- part of the class 532-570 series 82% 820
564 Organic compounds -- part of the class 532-570 series 76% 738
568 Organic compounds -- part of the class 532-570 series 86% 1125
570 Organic compounds -- part of the class 532-570 series 86% 527
585 Chemistry of hydrocarbon compounds 79% 2278
588 Hazardous or toxic waste destruction or containment 60% 72
600 Surgery 65% 33292
601 Surgery: kinesitherapy 58% 2693
602 Surgery: splint, brace, or bandage 57% 1856
604 Surgery 70% 18629
606 Surgery 77% 25066
607 Surgery: light, thermal, and electrical application 73% 8142
623 Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor 77% 11747
700 Data processing: generic control systems or specific applications 82% 25309
701 Data processing: vehicles, navigation, and relative location 80% 48872
702 Data processing: measuring, calibrating, or testing 72% 14662
703 Data processing: structural design, modeling, simulation, and emulation 69% 6071
704 Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression 84% 16006
705 Data processing: financial, business practice, management, or cost/price determination 48% 65065
706 Data processing: artificial intelligence 72% 14897
707 Data processing: database and file management or data structures 79% 36040
708 Electrical computers: arithmetic processing and calculating 83% 1601
709 Electrical computers and digital processing systems: multicomputer data transferring 83% 42026
710 Electrical computers and digital data processing systems: input/output 87% 7227
711 Electrical computers and digital processing systems: memory 87% 20006
712 Electrical computers and digital processing systems: processing architectures and instruction processing (e.g., processors) 80% 3196
713 Electrical computers and digital processing systems: support 86% 22245
714 Error detection/correction and fault detection/recovery 92% 13082
715 Data processing: presentation processing of document, operator interface processing, and screen saver display processing 71% 21518
716 Computer-aided design and analysis of circuits and semiconductor masks 93% 3437
717 Data processing: software development, installation, and management 85% 10729
718 Electrical computers and digital processing systems: virtual machine task or process management or task management/control 84% 8516
719 Electrical computers and digital processing systems: interprogram communication or interprocess communication (ipc) 87% 2656
720 Dynamic optical information storage or retrieval 92% 50
725 Interactive video distribution systems 77% 11466
726 Information security 85% 37417
800 Multicellular living organisms and unmodified parts thereof and related processes 78% 9081
850 Scanning-probe techniques or apparatus; applications of scanning-probe techniques, e.g., scanning probe microscopy [spm] 90% 393
901 Robots 75% 32
902 Electronic funds transfer 0% 0
903 Hybrid electric vehicles (hevs) 0% 0
930 Peptide or protein sequence 50% 8
968 Horology 0% 0
976 Nuclear technology 100% 1
977 Nanotechnology 67% 6
984 Musical instruments 0% 0
987 Organic compounds containing a bi, sb, as, or p atom or containing a metal atom of the 6th to 8th group of the periodic system 0% 0
D01 Edible products 0% 0
D02 Apparel and haberdashery 0% 0
D03 Travel goods and personal belongings 0% 0
D04 Brushware 0% 0
D05 Textile or paper yard goods; sheet material 0% 0
D06 Furnishings 0% 0
D07 Equipment for preparing or serving food or drink not elsewhere specified 0% 0
D08 Tools and hardware 0% 0
D09 Packages and containers for goods 0% 0
D10 Measuring, testing, or signalling instruments 98% 5884
D11 Jewelry, symbolic insignia, and ornaments 96% 3558
D12 Transportation 97% 11480
D13 Equipment for production, distribution, or transformation of energy 97% 8701
D14 Recording, communication, or information retrieval equipment 97% 23228
D15 Machines not elsewhere specified 98% 5739
D16 Photography and optical equipment 98% 3919
D17 Musical instruments 95% 539
D18 Printing and office machinery 99% 958
D19 Office supplies; artists and teachers materials 95% 1107
D20 Sales and advertising equipment 90% 680
D21 Games, toys, and sports goods 96% 8887
D22 Arms, pyrotechnics, hunting and fishing equipment 98% 1679
D23 Environmental heating and cooling; fluid handling and sanitary equipment 98% 8595
D24 Medical and laboratory equipment 96% 10142
D25 Building units and construction elements 94% 2874
D26 Lighting 97% 5821
D27 Tobacco and smokers' supplies 97% 1670
D28 Cosmetic products and toilet articles 97% 3342
D29 Equipment for safety, protection, and rescue 96% 848
D30 Animal husbandry 97% 2801
D32 Washing, cleaning, or drying machine 98% 2951
D34 Material or article handling equipment 96% 844
D99 Miscellaneous 95% 338
PLT Plants 98% 5272

Disclaimer: We do not provide any guarantees as to the accuracy of the statistics presented above and under
no circumstances will we be liable for any outcome resulting from your reliance on the above statistics.