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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 2009 - 2013 Utility Patent Grants
As Distributed By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period
Originating From

UNITED STATES, ALL REGIONS

( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to a patent- see 'Explanation of Data' )
( some classes have been combined together under a single class identifier )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed by year of patent grant.
Class Class Title 2009 2010 2011 2012 2013 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 2992 4188 4043 5099 6045 22367
370 Multiplex Communications 2969 4031 4082 4230 4469 19781
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1623 3374 3413 4099 4942 17451
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 2359 3224 3322 3581 3546 16032
707 DP: Database and File Management or Data Structures (Data Processing) 2041 3186 2967 3406 3487 15087
455 Telecommunications 1679 2136 2689 3615 3986 14105
438 Semiconductor Device Manufacturing: Process 1873 2359 2151 1905 2060 10348
435 Chemistry: Molecular Biology and Microbiology 1601 2173 2131 2128 2228 10261
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1464 2066 2026 1952 2383 9891
128 Surgery (includes Class 600) 1074 1679 1891 2218 2658 9520
606 Surgery (instruments) 803 1504 1787 2241 2601 8936
382 Image Analysis 1209 1519 1563 2016 2075 8382
375 Pulse or Digital Communications 1157 1413 1349 1794 1813 7526
532 Organic Compounds (includes Classes 532-570) 1238 1421 1451 1605 1745 7460
340 Communications: Electrical 1204 1306 1352 1599 1687 7148
713 Support (Electrical Computers and Digital Processing Systems) 1132 1348 1250 1443 1608 6781
714 Error Detection/Correction and Fault Detection/Recovery 1212 1404 1304 1307 1473 6700
345 Computer Graphics Processing and Selective Visual Display Systems 945 1111 1168 1458 1804 6486
604 Surgery (Medicators and Receptors) 624 1221 1286 1559 1766 6456
711 Memory (Electrical Computers and Digital Processing Systems) 1012 1088 1184 1407 1397 6088
726 Information Security 686 937 1016 1422 1949 6010
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 949 1158 1040 1270 1460 5877
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 860 1252 1268 1106 1330 5816
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 521 744 965 1420 1832 5482
428 Stock Material or Miscellaneous Articles 654 967 1110 1028 1061 4820
702 DP: Measuring, Calibrating, or Testing (Data Processing) 777 898 980 1040 1021 4716
607 Surgery: Light, Thermal, and Electrical Application 506 831 939 1107 1327 4710
365 Static Information Storage and Retrieval 850 902 990 920 994 4656
250 Radiant Energy 909 938 764 894 1064 4569
361 Electricity: Electrical Systems and Devices 871 921 913 881 967 4553
717 DP: Software Development, Installation, and Management (Data Processing) 587 919 713 964 1270 4453
073 Measuring and Testing 827 881 840 876 916 4340
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 674 715 755 1037 1136 4317
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 471 720 887 996 1116 4190
379 Telephonic Communications 555 674 833 994 1106 4162
348 Television 522 642 684 1083 1197 4128
439 Electrical Connectors 838 916 850 648 716 3968
324 Electricity: Measuring and Testing 805 845 774 727 744 3895
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 671 758 761 760 864 3814
463 Amusement Devices: Games 263 559 643 1092 1211 3768
052 Static Structures (e.g., Buildings) 434 777 636 824 1010 3681
700 DP: Generic Control Systems or Specific Applications (Data Processing) 462 672 727 805 981 3647
356 Optics: Measuring and Testing 770 788 712 650 706 3626
029 Metal Working 557 714 733 820 784 3608
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 533 779 631 784 852 3579
280 Land Vehicles 596 797 678 656 755 3482
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 652 799 696 691 624 3462
060 Power Plants 431 584 636 795 960 3406
362 Illumination 547 681 628 698 849 3403
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 507 587 661 683 770 3208
359 Optical: Systems and Elements 620 735 641 615 583 3194
210 Liquid Purification or Separation 510 614 601 685 599 3009
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 433 496 573 667 799 2968
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 370 600 618 694 644 2926
385 Optical Waveguides 678 657 442 494 623 2894
725 Interactive Video Distribution Systems 299 455 527 630 955 2866
473 Games Using Tangible Projectile 389 548 590 650 650 2827
360 Dynamic Magnetic Information Storage or Retrieval 539 550 570 569 494 2722
427 Coating Processes 378 547 493 593 534 2545
358 Facsimile and Static Presentation Processing 402 445 467 582 642 2538
706 DP: Artificial Intelligence (Data Processing) 347 462 535 544 636 2524
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 306 518 476 526 575 2401
123 Internal-Combustion Engines 432 487 434 482 548 2383
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 478 534 496 399 436 2343
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 438 475 424 431 561 2329
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 385 451 481 528 458 2303
381 Electrical Audio Signal Processing Systems and Devices 199 271 397 723 553 2143
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 272 525 472 429 412 2110
248 Supports (e.g., for holding articles, etc.) 339 488 408 453 416 2104
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 218 342 459 472 558 2049
347 Incremental Printing of Symbolic Information 245 374 353 466 554 1992
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 196 296 296 547 654 1989
436 Chemistry: Analytical and Immunological Testing 280 399 430 410 395 1914
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 375 369 440 418 294 1896
296 Land Vehicles: Bodies and Tops 331 438 317 385 419 1890
398 Optical Communications 328 327 382 392 450 1879
482 Exercise Devices 357 476 476 288 263 1860
206 Special Receptacle or Package 284 393 376 381 391 1825
244 Aeronautics and Astronautics 241 299 400 419 431 1790
219 Electric Heating 215 310 256 403 499 1683
137 Fluid Handling 254 307 272 394 451 1678
310 Electrical Generator or Motor Structure 315 366 328 314 341 1664
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 314 410 333 298 298 1653
423 Chemistry of Inorganic Compounds 259 380 305 300 370 1614
062 Refrigeration 254 356 340 277 378 1605
180 Motor Vehicles 252 343 306 314 348 1563
015 Brushing, Scrubbing, and General Cleaning 216 346 296 291 404 1553
343 Communications: Radio Wave Antennas 295 316 291 306 341 1549
380 Cryptography 257 286 291 335 375 1544
297 Chairs and Seats 265 341 312 296 328 1542
174 Electricity: Conductors and Insulators 328 309 283 306 314 1540
220 Receptacles 187 246 320 338 445 1536
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 282 283 268 330 349 1512
005 Beds 246 299 267 301 353 1466
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 265 344 352 243 260 1464
315 Electric Lamp and Discharge Devices: Systems 167 174 262 373 477 1453
341 Coded Data Generation or Conversion 311 329 277 227 294 1438
326 Electronic Digital Logic Circuitry 331 390 282 170 252 1425
307 Electrical Transmission or Interconnection Systems 210 267 303 303 305 1388
002 Apparel 133 289 309 314 318 1363
415 Rotary Kinetic Fluid Motors or Pumps 140 195 221 432 328 1316
222 Dispensing (apparatus and process) 150 276 235 296 354 1311
320 Electricity: Battery or Capacitor Charging or Discharging 209 247 235 301 296 1288
252 Compositions 176 239 280 272 317 1284
378 X-Ray or Gamma Ray Systems or Devices 311 290 245 221 204 1271
426 Food or Edible Material: Processes, Compositions, and Products 164 236 255 294 322 1271
119 Animal Husbandry 170 229 272 292 291 1254
175 Boring or Penetrating the Earth 186 260 271 259 262 1238
204 Chemistry: Electrical and Wave Energy 157 234 227 289 309 1216
084 Music 246 277 230 229 208 1190
416 Fluid Reaction Surfaces (i.e., Impellers) 148 181 277 312 259 1177
323 Electricity: Power Supply or Regulation Systems 201 231 244 241 252 1169
330 Amplifiers 258 268 229 190 209 1154
372 Coherent Light Generators 239 272 214 195 196 1116
351 Optics: Eye Examining, Vision Testing and Correcting 189 222 233 195 220 1059
318 Electricity: Motive Power Systems 191 184 218 223 242 1058
239 Fluid Sprinkling, Spraying, and Diffusing 168 250 210 195 229 1052
095 Gas Separation: Processes 118 172 217 244 286 1037
134 Cleaning and Liquid Contact with Solids 162 187 211 227 248 1035
475 Planetary Gear Transmission Systems or Components 122 189 223 220 263 1017
033 Geometrical Instruments 210 225 215 173 168 991
585 Chemistry of Hydrocarbon Compounds 150 168 196 210 256 980
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 174 218 180 187 213 972
042 Firearms 98 169 207 222 266 962
399 Electrophotography 137 200 214 214 182 947
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 159 202 203 200 171 935
708 Arithmetic Processing and Calculating (Electrical Computers) 149 164 169 164 285 931
417 Pumps 108 117 164 275 245 909
036 Boots, Shoes, and Leggings 135 209 168 196 195 903
434 Education and Demonstration 93 101 141 230 325 890
290 Prime-Mover Dynamo Plants 135 147 186 193 226 887
405 Hydraulic and Earth Engineering 155 178 156 169 225 883
273 Amusement Devices: Games 179 200 154 147 201 881
363 Electric Power Conversion Systems 143 166 182 175 197 863
227 Elongated-Member-Driving Apparatus 98 143 181 203 237 862
106 Compositions: Coating or Plastic 129 205 156 179 169 838
040 Card, Picture, or Sign Exhibiting 131 169 194 185 153 832
414 Material or Article Handling 149 172 170 169 171 831
313 Electric Lamp and Discharge Devices 120 167 171 189 175 822
089 Ordnance 93 133 176 205 207 814
602 Surgery: Splint, Brace, or Bandage 115 166 186 188 150 805
004 Baths, Closets, Sinks, and Spittoons 86 129 184 239 165 803
118 Coating Apparatus 116 150 164 187 185 802
211 Supports: Racks 92 152 193 176 185 798
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 130 155 170 164 161 780
053 Package Making 166 152 160 154 143 775
451 Abrading 129 128 151 169 196 773
333 Wave Transmission Lines and Networks 151 190 163 132 135 771
331 Oscillators 184 187 152 139 106 768
198 Conveyors: Power-Driven 141 164 148 140 172 765
055 Gas Separation 119 146 173 152 150 740
367 Communications, Electrical: Acoustic Wave Systems and Devices 127 151 128 155 165 726
043 Fishing, Trapping, and Vermin Destroying 114 177 137 133 156 717
074 Machine Element or Mechanism 106 125 117 183 183 714
114 Ships 139 147 138 145 141 710
208 Mineral Oils: Processes and Products 97 157 147 131 175 707
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 106 121 130 167 180 704
433 Dentistry 64 122 147 158 201 692
241 Solid Material Comminution or Disintegration 121 140 169 130 118 678
369 Dynamic Information Storage or Retrieval 77 98 137 145 212 669
162 Paper Making and Fiber Liberation 82 144 143 155 143 667
136 Batteries: Thermoelectric and Photoelectric 59 108 149 180 170 666
216 Etching a Substrate: Processes 93 86 106 162 209 656
386 Motion Video Signal Processing for Recording or Reproducing 88 97 87 177 199 648
102 Ammunition and Explosives 90 113 139 148 156 646
285 Pipe Joints or Couplings 140 146 117 115 114 632
024 Buckles, Buttons, Clasps, Etc. 103 115 111 132 170 631
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 96 130 105 127 158 616
083 Cutting 94 122 121 139 138 614
446 Amusement Devices: Toys 85 136 146 109 128 604
030 Cutlery 89 126 129 113 135 592
507 Earth Boring, Well Treating, and Oil Field Chemistry 94 133 145 104 106 582
294 Handling: Hand and Hoist-Line Implements 74 106 115 114 172 581
404 Road Structure, Process, or Apparatus 96 129 117 113 125 580
056 Harvesters 104 153 122 116 79 574
224 Package and Article Carriers 45 110 107 145 167 574
251 Valves and Valve Actuation 84 110 97 140 141 572
396 Photography 92 128 109 122 116 567
072 Metal Deforming 107 98 115 116 128 564
047 Plant Husbandry 74 117 106 126 132 555
099 Foods and Beverages: Apparatus 78 116 103 115 143 555
374 Thermal Measuring and Testing 100 114 79 151 110 554
228 Metal Fusion Bonding 80 126 114 117 112 549
181 Acoustics 89 90 123 106 126 534
165 Heat Exchange 82 112 105 116 117 532
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 98 149 130 83 69 529
096 Gas Separation: Apparatus 88 96 97 125 117 523
200 Electricity: Circuit Makers and Breakers 114 90 100 106 103 513
081 Tools 57 106 116 91 142 512
366 Agitating (e.g., of articles and materials) 75 90 101 134 107 507
126 Stoves and Furnaces 41 105 101 109 149 505
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 76 114 70 115 119 494
124 Mechanical Guns and Projectors 50 107 102 89 141 489
188 Brakes 89 74 80 101 136 480
353 Optics: Image Projectors 81 66 119 115 98 479
271 Sheet Feeding or Delivering 90 101 103 96 82 472
108 Horizontally Supported Planar Surfaces 63 84 86 124 114 471
148 Metal Treatment 78 106 76 96 114 470
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 64 109 114 86 96 469
349 Liquid Crystal Cells, Elements and Systems 70 69 96 111 114 460
401 Coating Implements with Material Supply 66 81 64 129 119 459
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 64 97 84 88 120 453
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 47 93 89 87 131 447
292 Closure Fasteners 75 87 72 83 126 443
135 Tent, Canopy, Umbrella, or Cane 81 98 100 75 88 442
070 Locks 74 78 91 96 102 441
254 Implements or Apparatus for Applying Pushing or Pulling Force 71 82 77 87 119 436
160 Flexible or Portable Closure, Partition, or Panel 67 93 76 92 106 434
182 Fire Escape, Ladder, or Scaffold 24 63 83 117 135 422
242 Winding, Tensioning, or Guiding 81 88 95 67 83 414
049 Movable or Removable Closures 47 66 63 101 134 411
312 Supports: Cabinet Structure 50 81 71 105 102 409
209 Classifying, Separating, and Assorting Solids 61 80 91 82 92 406
229 Envelopes, Wrappers, and Paperboard Boxes 71 106 82 61 84 404
477 Interrelated Power Delivery Controls, Including Engine Control 57 73 71 99 101 401
215 Bottles and Jars 49 77 79 86 94 385
132 Toilet 43 51 75 98 116 383
601 Surgery: Kinesitherapy 48 55 77 93 110 383
192 Clutches and Power-Stop Control 49 68 82 83 96 378
336 Inductor Devices 54 76 103 69 68 370
037 Excavating 69 114 68 57 52 360
277 Seal for a Joint or Juncture 33 68 78 87 91 357
044 Fuel and Related Compositions 52 62 69 71 101 355
138 Pipes and Tubular Conduits 65 68 75 62 82 352
410 Freight Accommodation On Freight Carrier 53 73 71 78 75 350
164 Metal Founding 48 62 81 87 63 341
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 60 72 66 71 67 336
048 Gas: Heating and Illuminating 45 46 60 81 87 319
065 Glass Manufacturing 36 51 82 75 74 318
221 Article Dispensing 51 78 72 51 66 318
261 Gas and Liquid Contact Apparatus 51 49 65 83 68 316
269 Work Holders 15 38 64 88 111 316
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 49 62 68 60 67 306
431 Combustion 62 66 54 54 70 306
034 Drying and Gas or Vapor Contact with Solids 26 38 71 81 89 305
403 Joints and Connections 44 58 54 73 61 290
131 Tobacco 25 66 60 48 89 288
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 50 54 47 64 69 284
172 Earth Working 49 70 52 53 59 283
501 Compositions: Ceramic 56 77 58 51 41 283
384 Bearings 44 45 42 51 99 281
101 Printing 45 51 51 52 77 276
376 Induced Nuclear Reactions: Processes, Systems, and Elements 46 35 45 54 87 267
440 Marine Propulsion 58 58 54 46 50 266
454 Ventilation 53 49 45 43 75 265
392 Electric Resistance Heating Devices 26 50 54 64 59 253
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 48 50 45 48 52 243
504 Plant Protecting and Regulating Compositions 13 22 33 77 98 243
144 Woodworking 37 64 80 36 24 241
368 Horology: Time Measuring Systems or Devices 36 61 60 31 49 237
472 Amusement Devices 21 56 54 52 53 236
452 Butchering 51 48 52 37 46 234
383 Flexible Bags 40 39 41 51 62 233
408 Cutting by Use of Rotating Axially Moving Tool 44 40 50 42 52 228
355 Photocopying 35 45 54 39 54 227
152 Resilient Tires and Wheels 33 32 47 58 56 226
236 Automatic Temperature and Humidity Regulation 33 58 52 37 46 226
169 Fire Extinguishers 29 65 29 43 54 220
441 Buoys, Rafts, and Aquatic Devices 36 48 40 43 51 218
418 Rotary Expansible Chamber Devices 33 32 54 59 37 215
104 Railways 30 40 36 51 56 213
474 Endless Belt Power Transmission Systems or Components 25 45 49 44 48 211
105 Railway Rolling Stock 32 43 45 38 51 209
267 Spring Devices 26 29 41 54 59 209
149 Explosive and Thermic Compositions or Charges 9 26 56 58 54 203
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 30 26 44 53 49 202
111 Planting 42 49 35 32 41 199
116 Signals and Indicators 45 57 30 37 28 197
173 Tool Driving or Impacting 31 40 33 45 45 194
450 Foundation Garments 25 35 35 51 44 190
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 33 27 40 47 39 186
303 Fluid-Pressure and Analogous Brake Systems 32 49 37 38 26 182
100 Presses 29 30 41 34 40 174
299 Mining or In Situ Disintegration of Hard Material 25 27 39 33 47 171
400 Typewriting Machines 31 37 37 34 31 170
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 23 33 44 26 44 170
256 Fences 43 33 29 27 37 169
266 Metallurgical Apparatus 34 22 34 38 41 169
301 Land Vehicles: Wheels and Axles 31 42 38 18 37 166
014 Bridges 23 15 40 32 41 151
051 Abrasive Tool Making Process, Material, or Composition 28 8 39 32 39 146
092 Expansible Chamber Devices 29 26 27 19 37 138
122 Liquid Heaters and Vaporizers 30 30 25 23 28 136
112 Sewing 26 26 22 39 20 133
270 Sheet-Material Associating 32 23 29 21 28 133
184 Lubrication 8 24 28 25 47 132
445 Electric Lamp or Space Discharge Component or Device Manufacturing 27 28 25 29 23 132
082 Turning (e.g., for metal working) 26 28 27 30 19 130
322 Electricity: Single Generator Systems 30 22 31 28 17 128
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 22 40 27 21 17 127
419 Powder Metallurgy Processes 28 30 20 26 20 124
068 Textiles: Fluid Treating Apparatus 30 26 25 17 23 121
071 Chemistry: Fertilizers 13 25 26 28 27 119
223 Apparel Apparatus 13 28 26 29 23 119
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 6 15 26 37 35 119
588 Hazardous or Toxic Waste Destruction or Containment 19 23 33 26 18 119
177 Weighing Scales 35 24 19 19 19 116
505 Superconductor Technology: Apparatus, Material, Process 13 24 16 16 45 114
283 Printed Matter 9 23 32 17 31 112
338 Electrical Resistors 8 27 16 33 28 112
293 Vehicle Fenders 27 19 18 26 20 110
460 Crop Threshing or Separating 26 24 24 20 15 109
027 Undertaking 17 17 27 22 24 107
110 Furnaces 15 27 16 27 21 106
063 Jewelry 19 22 17 22 25 105
066 Textiles: Knitting 29 21 24 11 19 104
203 Distillation: Processes, Separatory 10 13 16 30 34 103
337 Electricity: Electrothermally or Thermally Actuated Switches 25 25 24 18 9 101
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 5 17 15 29 33 99
409 Gear Cutting, Milling, or Planing 21 18 20 17 22 98
494 Imperforate Bowl: Centrifugal Separators 15 14 23 28 18 98
194 Check-Actuated Control Mechanisms 11 22 15 22 27 97
407 Cutters, for Shaping 21 11 26 15 22 95
246 Railway Switches and Signals 11 22 16 23 19 91
249 Static Molds 15 18 22 18 18 91
190 Trunks and Hand-Carried Luggage 13 9 22 18 27 89
150 Purses, Wallets, and Protective Covers 22 21 12 17 16 88
202 Distillation: Apparatus 11 14 16 16 29 86
406 Conveyors: Fluid Current 13 18 18 13 22 84
720 Dynamic Optical Information Storage or Retrieval 21 20 20 13 9 83
279 Chucks or Sockets 14 15 17 17 15 78
232 Deposit and Collection Receptacles 20 16 15 15 11 77
332 Modulators 12 26 19 10 9 76
007 Compound Hand Tools 12 12 17 13 21 75
125 Stone Working 6 21 14 16 18 75
420 Alloys or Metallic Compositions 7 24 10 20 13 74
139 Textiles: Weaving 19 18 12 13 5 67
091 Motors: Expansible Chamber Type 17 11 13 13 12 66
305 Wheel Substitutes for Land Vehicles 7 14 19 10 16 66
057 Textiles: Spinning, Twisting, and Twining 16 10 13 14 12 65
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 5 15 8 15 19 62
298 Land Vehicles: Dumping 5 13 17 13 13 61
054 Harness for Working Animal 18 7 6 19 9 59
212 Traversing Hoists 18 13 14 4 10 59
238 Railways: Surface Track 6 14 13 12 12 57
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 12 8 7 13 16 56
012 Boot and Shoe Making 6 13 12 12 10 53
213 Railway Draft Appliances 9 13 8 7 16 53
038 Textiles: Ironing or Smoothing 6 9 6 12 18 51
281 Books, Strips, and Leaves 8 23 9 6 5 51
432 Heating 7 13 14 7 9 50
086 Ammunition and Explosive-Charge Making 12 13 6 10 8 49
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 8 16 6 4 14 48
076 Metal Tools and Implements, Making 4 13 10 11 8 46
201 Distillation: Processes, Thermolytic 7 10 8 12 8 45
225 Severing by Tearing or Breaking 6 9 9 13 8 45
157 Wheelwright Machines 7 6 8 12 9 42
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 7 6 11 9 9 42
237 Heating Systems 2 4 7 10 18 41
028 Textiles: Manufacturing 15 6 8 5 5 39
127 Sugar, Starch, and Carbohydrates 4 9 5 8 13 39
059 Chain, Staple, and Horseshoe Making 6 4 11 6 11 38
193 Conveyors, Chutes, Skids, Guides, and Ways 8 10 8 1 11 38
352 Optics: Motion Pictures 7 6 5 11 9 38
512 Perfume Compositions 7 12 4 4 11 38
412 Bookbinding: Process and Apparatus 7 12 4 8 5 36
019 Textiles: Fiber Preparation 6 10 3 7 6 32
476 Friction Gear Transmission Systems or Components 1 8 11 8 4 32
492 Roll or Roller 4 6 8 6 8 32
023 Chemistry: Physical Processes 2 4 7 6 12 31
289 Knots and Knot Tying 5 3 6 7 10 31
087 Textiles: Braiding, Netting, and Lace Making 1 3 4 7 15 30
191 Electricity: Transmission To Vehicles 4 0 9 4 11 28
140 Wireworking 4 3 7 6 7 27
373 Industrial Electric Heating Furnaces 2 7 3 5 8 25
109 Safes, Bank Protection, or a Related Device 2 4 2 8 7 23
159 Concentrating Evaporators 3 4 8 4 3 22
453 Coin Handling 5 5 1 4 5 20
026 Textiles: Cloth Finishing 1 6 2 9 1 19
178 Telegraphy 1 1 0 8 8 18
186 Merchandising 4 3 5 2 4 18
196 Mineral Oils: Apparatus 1 1 6 3 6 17
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 3 5 5 1 3 17
329 Demodulators 6 2 4 3 1 16
483 Tool Changing 3 4 2 2 4 15
449 Bee Culture (propagating, raising, caring for bees) 3 1 5 2 3 14
168 Farriery 6 2 0 1 4 13
300 Brush, Broom, and Mop Making 0 5 1 1 4 11
388 Electricity: Motor Control Systems 4 5 1 0 1 11
226 Advancing Material of Indeterminate Length 2 2 2 3 1 10
171 Unearthing Plants or Buried Objects 2 5 1 0 1 9
413 Sheet Metal Container Making 1 0 3 2 1 7
185 Motors: Spring, Weight, or Animal Powered 0 1 0 2 3 6
217 Wooden Receptacles 0 3 1 1 1 6
291 Track Sanders 2 1 1 0 2 6
069 Leather Manufactures 1 0 1 1 1 4
234 Selective Cutting (e.g., Punching) 0 1 0 1 2 4
260 Chemistry of Carbon Compounds 2 0 1 0 0 3
334 Tuners 1 1 0 1 0 3
462 Books, Strips, and Leaves for Manifolding 0 0 0 1 2 3
231 Whips and Whip Apparatus 1 1 0 0 0 2
346 Recorders 0 1 0 1 0 2
142 Wood Turning 1 0 0 0 0 1
147 Coopering 0 1 0 0 0 1
258 Railway Mail Delivery 0 0 0 1 0 1
295 Railway Wheels and Axles 0 0 0 1 0 1
314 Electric Lamp and Discharge Devices: Consumable Electrodes 1 0 0 0 0 1
ALL ALL CLASSES 82382 107791 108622 121026 133593 553414



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