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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 2011 - 2015 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

ALL FOREIGN 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 2011 2012 2013 2014 2015 Total
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 4978 4913 6126 7262 8751 32030
370 Multiplex Communications 3599 4118 4772 6080 5860 24429
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 3418 4081 4929 5402 5669 23499
345 Computer Graphics Processing and Selective Visual Display Systems 2332 3379 4035 4501 5165 19412
455 Telecommunications 2851 3955 4228 4223 3986 19243
438 Semiconductor Device Manufacturing: Process 3746 3255 3490 3770 3080 17341
348 Television 2074 3234 3071 3585 3998 15962
382 Image Analysis 2140 3111 3063 2786 2618 13718
375 Pulse or Digital Communications 1694 2544 2658 2672 2609 12177
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 1166 1800 2345 2646 2880 10837
358 Facsimile and Static Presentation Processing 1454 1946 2505 2476 2414 10795
532 Organic Compounds (includes Classes 532-570) 1863 2074 2253 2350 2249 10789
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1748 1806 2206 2362 2153 10275
347 Incremental Printing of Symbolic Information 1903 1810 1912 2148 2200 9973
399 Electrophotography 1659 1764 1833 2188 2527 9971
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 1526 1713 1811 2385 2077 9512
361 Electricity: Electrical Systems and Devices 1682 1758 1925 1882 1950 9197
365 Static Information Storage and Retrieval 1766 1739 1728 1800 1789 8822
435 Chemistry: Molecular Biology and Microbiology 1598 1569 1670 1934 1895 8666
428 Stock Material or Miscellaneous Articles 1635 1646 1709 1701 1847 8538
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 1123 1418 1480 1843 2139 8003
349 Liquid Crystal Cells, Elements and Systems 1746 1750 1541 1480 1484 8001
707 DP: Database and File Management or Data Structures (Data Processing) 1263 1561 1594 1805 1662 7885
359 Optical: Systems and Elements 1613 1395 1654 1647 1506 7815
128 Surgery (includes Class 600) 953 1398 1722 1751 1715 7539
250 Radiant Energy 1075 1184 1537 1705 1649 7150
362 Illumination 999 1082 1402 1516 1562 6561
713 Support (Electrical Computers and Digital Processing Systems) 923 1164 1405 1439 1274 6205
439 Electrical Connectors 1393 1168 1040 1083 1392 6076
714 Error Detection/Correction and Fault Detection/Recovery 1078 1168 1401 1206 1183 6036
073 Measuring and Testing 1041 1119 1207 1283 1309 5959
324 Electricity: Measuring and Testing 960 1041 1254 1320 1364 5939
340 Communications: Electrical 916 1138 1177 1268 1090 5589
726 Information Security 518 815 1137 1441 1547 5458
711 Memory (Electrical Computers and Digital Processing Systems) 857 1113 998 1154 1283 5405
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 972 1055 1060 1173 915 5175
381 Electrical Audio Signal Processing Systems and Devices 660 1348 959 981 1126 5074
310 Electrical Generator or Motor Structure 1077 888 950 931 944 4790
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 903 795 1084 1136 834 4752
029 Metal Working 781 999 921 1023 834 4558
356 Optics: Measuring and Testing 845 751 867 947 834 4244
700 DP: Generic Control Systems or Specific Applications (Data Processing) 635 791 924 937 951 4238
123 Internal-Combustion Engines 695 778 805 933 928 4139
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 491 685 772 1082 1067 4097
060 Power Plants 578 669 841 916 1041 4045
315 Electric Lamp and Discharge Devices: Systems 468 692 715 917 1073 3865
604 Surgery (Medicators and Receptors) 544 639 783 846 928 3740
313 Electric Lamp and Discharge Devices 992 931 750 603 425 3701
702 DP: Measuring, Calibrating, or Testing (Data Processing) 672 751 755 780 733 3691
280 Land Vehicles 673 571 858 797 753 3652
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 641 751 943 792 402 3529
717 DP: Software Development, Installation, and Management (Data Processing) 388 548 848 820 800 3404
606 Surgery (instruments) 407 648 712 737 832 3336
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 639 670 678 722 609 3318
369 Dynamic Information Storage or Retrieval 1247 933 634 315 162 3291
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 506 662 770 677 650 3265
174 Electricity: Conductors and Insulators 448 605 663 679 869 3264
427 Coating Processes 555 714 657 685 632 3243
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 531 608 654 727 650 3170
318 Electricity: Motive Power Systems 531 604 591 631 704 3061
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 593 618 575 651 603 3040
252 Compositions 432 556 599 652 699 2938
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 533 534 589 626 544 2826
385 Optical Waveguides 381 444 557 678 722 2782
398 Optical Communications 381 505 486 619 723 2714
343 Communications: Radio Wave Antennas 463 454 537 609 584 2647
386 Motion Video Signal Processing for Recording or Reproducing 509 591 632 542 359 2633
180 Motor Vehicles 460 471 561 614 526 2632
074 Machine Element or Mechanism 357 425 505 538 741 2566
219 Electric Heating 326 500 611 561 545 2543
210 Liquid Purification or Separation 440 504 529 505 508 2486
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 506 483 502 464 528 2483
320 Electricity: Battery or Capacitor Charging or Discharging 313 500 433 466 771 2483
463 Amusement Devices: Games 303 581 557 563 466 2470
725 Interactive Video Distribution Systems 314 377 444 694 615 2444
296 Land Vehicles: Bodies and Tops 391 438 469 513 560 2371
271 Sheet Feeding or Delivering 463 440 543 493 394 2333
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 391 499 540 539 322 2291
341 Coded Data Generation or Conversion 481 417 471 453 448 2270
363 Electric Power Conversion Systems 293 355 472 479 650 2249
360 Dynamic Magnetic Information Storage or Retrieval 490 504 370 470 408 2242
052 Static Structures (e.g., Buildings) 303 387 486 521 459 2156
323 Electricity: Power Supply or Regulation Systems 349 356 408 495 537 2145
423 Chemistry of Inorganic Compounds 368 398 479 444 431 2120
137 Fluid Handling 200 323 473 474 614 2084
307 Electrical Transmission or Interconnection Systems 356 331 310 449 614 2060
380 Cryptography 318 436 488 461 355 2058
244 Aeronautics and Astronautics 258 416 421 454 433 1982
062 Refrigeration 329 331 368 446 481 1955
415 Rotary Kinetic Fluid Motors or Pumps 247 464 335 453 435 1934
297 Chairs and Seats 300 332 323 407 537 1899
378 X-Ray or Gamma Ray Systems or Devices 363 309 328 368 506 1874
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 259 297 392 466 460 1874
355 Photocopying 296 340 338 402 444 1820
417 Pumps 238 442 397 377 352 1806
353 Optics: Image Projectors 393 331 348 357 351 1780
379 Telephonic Communications 274 401 426 396 281 1778
204 Chemistry: Electrical and Wave Energy 306 357 355 358 375 1751
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 226 285 344 412 462 1729
015 Brushing, Scrubbing, and General Cleaning 261 296 407 394 357 1715
248 Supports (e.g., for holding articles, etc.) 280 344 328 326 437 1715
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 325 315 335 371 343 1689
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 102 251 353 451 515 1672
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 344 293 363 386 284 1670
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 277 279 319 367 412 1654
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 361 331 290 318 335 1635
333 Wave Transmission Lines and Networks 310 328 270 306 412 1626
396 Photography 479 332 347 304 152 1614
330 Amplifiers 325 313 300 336 314 1588
384 Bearings 224 285 305 397 365 1576
198 Conveyors: Power-Driven 259 229 289 369 421 1567
372 Coherent Light Generators 333 284 283 330 336 1566
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 238 304 350 370 298 1560
426 Food or Edible Material: Processes, Compositions, and Products 205 293 334 314 386 1532
416 Fluid Reaction Surfaces (i.e., Impellers) 213 362 272 323 347 1517
607 Surgery: Light, Thermal, and Electrical Application 204 226 349 392 301 1472
200 Electricity: Circuit Makers and Breakers 268 317 277 287 307 1456
706 DP: Artificial Intelligence (Data Processing) 224 270 324 339 282 1439
475 Planetary Gear Transmission Systems or Components 180 261 332 338 305 1416
106 Compositions: Coating or Plastic 266 297 267 283 266 1379
118 Coating Apparatus 231 288 291 321 227 1358
188 Brakes 186 240 255 330 321 1332
134 Cleaning and Liquid Contact with Solids 231 238 259 269 323 1320
148 Metal Treatment 229 296 260 255 255 1295
220 Receptacles 146 204 290 341 304 1285
436 Chemistry: Analytical and Immunological Testing 263 228 273 257 260 1281
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 216 251 241 293 267 1268
222 Dispensing (apparatus and process) 191 194 323 296 260 1264
136 Batteries: Thermoelectric and Photoelectric 142 169 181 270 444 1206
351 Optics: Eye Examining, Vision Testing and Correcting 218 196 218 276 291 1199
072 Metal Deforming 177 270 285 223 229 1184
451 Abrading 168 249 272 220 259 1168
290 Prime-Mover Dynamo Plants 160 208 254 294 240 1156
206 Special Receptacle or Package 193 207 223 245 275 1143
216 Etching a Substrate: Processes 191 190 245 255 234 1115
331 Oscillators 256 211 182 232 213 1094
326 Electronic Digital Logic Circuitry 321 165 240 168 197 1091
239 Fluid Sprinkling, Spraying, and Diffusing 184 147 197 233 277 1038
165 Heat Exchange 185 187 181 146 276 975
084 Music 216 160 175 223 199 973
192 Clutches and Power-Stop Control 128 201 187 212 242 970
312 Supports: Cabinet Structure 116 192 198 210 252 968
152 Resilient Tires and Wheels 123 165 157 241 274 960
336 Inductor Devices 189 194 170 187 197 937
477 Interrelated Power Delivery Controls, Including Engine Control 154 220 184 177 180 915
251 Valves and Valve Actuation 110 155 174 213 254 906
414 Material or Article Handling 146 142 140 173 302 903
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 190 170 177 176 174 887
708 Arithmetic Processing and Calculating (Electrical Computers) 143 157 211 221 141 873
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 149 195 166 169 187 866
473 Games Using Tangible Projectile 158 141 160 219 187 865
367 Communications, Electrical: Acoustic Wave Systems and Devices 110 120 177 208 240 855
368 Horology: Time Measuring Systems or Devices 99 141 171 200 233 844
055 Gas Separation 184 149 169 162 152 816
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 122 174 181 167 168 812
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 126 143 181 173 187 810
162 Paper Making and Fiber Liberation 166 185 155 174 124 804
101 Printing 142 136 125 190 205 798
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 170 139 142 175 153 779
099 Foods and Beverages: Apparatus 92 139 136 214 166 747
241 Solid Material Comminution or Disintegration 162 140 155 159 131 747
053 Package Making 137 137 149 129 190 742
095 Gas Separation: Processes 123 137 186 161 128 735
405 Hydraulic and Earth Engineering 123 101 123 176 202 725
474 Endless Belt Power Transmission Systems or Components 172 131 119 125 174 721
024 Buckles, Buttons, Clasps, Etc. 105 127 146 155 176 709
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 181 144 135 136 99 695
501 Compositions: Ceramic 131 154 149 138 117 689
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 169 111 119 123 158 680
065 Glass Manufacturing 113 128 133 155 143 672
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 144 132 124 137 135 672
482 Exercise Devices 202 104 99 114 151 670
228 Metal Fusion Bonding 174 146 125 132 91 668
242 Winding, Tensioning, or Guiding 127 108 115 133 178 661
504 Plant Protecting and Regulating Compositions 57 119 144 159 182 661
285 Pipe Joints or Couplings 148 144 113 108 145 658
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 75 143 129 152 157 656
433 Dentistry 86 134 130 136 154 640
374 Thermal Measuring and Testing 107 147 136 130 118 638
081 Tools 94 113 157 121 152 637
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 83 101 137 160 156 637
083 Cutting 122 115 108 147 144 636
096 Gas Separation: Apparatus 88 121 151 162 114 636
418 Rotary Expansible Chamber Devices 88 105 133 131 174 631
292 Closure Fasteners 91 115 159 154 106 625
033 Geometrical Instruments 155 112 115 117 125 624
175 Boring or Penetrating the Earth 111 97 116 105 193 622
400 Typewriting Machines 103 118 122 184 95 622
720 Dynamic Optical Information Storage or Retrieval 175 167 147 79 53 621
030 Cutlery 124 132 112 136 114 618
181 Acoustics 104 114 118 154 119 609
585 Chemistry of Hydrocarbon Compounds 102 95 127 153 131 608
034 Drying and Gas or Vapor Contact with Solids 90 109 122 146 133 600
049 Movable or Removable Closures 69 104 131 153 130 587
303 Fluid-Pressure and Analogous Brake Systems 93 113 108 128 131 573
270 Sheet-Material Associating 178 142 106 81 57 564
114 Ships 92 107 89 127 146 561
119 Animal Husbandry 89 112 104 148 103 556
002 Apparel 113 108 100 109 124 554
164 Metal Founding 126 154 101 88 85 554
277 Seal for a Joint or Juncture 94 107 111 105 137 554
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 82 109 122 122 118 553
173 Tool Driving or Impacting 99 113 111 114 115 552
366 Agitating (e.g., of articles and materials) 83 123 90 133 120 549
209 Classifying, Separating, and Assorting Solids 105 92 103 127 121 548
005 Beds 87 94 102 128 133 544
403 Joints and Connections 66 86 95 102 186 535
070 Locks 97 121 108 115 89 530
269 Work Holders 61 102 125 124 93 505
445 Electric Lamp or Space Discharge Component or Device Manufacturing 139 118 90 76 77 500
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 90 87 98 107 116 498
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 76 119 108 105 88 496
294 Handling: Hand and Hoist-Line Implements 57 119 107 110 100 493
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 90 111 124 92 70 487
004 Baths, Closets, Sinks, and Spittoons 74 120 100 95 93 482
401 Coating Implements with Material Supply 90 102 98 97 93 480
068 Textiles: Fluid Treating Apparatus 87 93 95 102 102 479
138 Pipes and Tubular Conduits 66 72 66 97 144 445
267 Spring Devices 56 75 80 102 129 442
208 Mineral Oils: Processes and Products 74 64 67 108 113 426
160 Flexible or Portable Closure, Partition, or Panel 65 75 77 96 103 416
126 Stoves and Furnaces 55 69 64 109 114 411
407 Cutters, for Shaping 56 51 97 110 92 406
601 Surgery: Kinesitherapy 77 74 82 72 78 383
440 Marine Propulsion 67 89 68 94 64 382
211 Supports: Racks 77 68 73 69 86 373
434 Education and Demonstration 34 51 97 102 84 368
215 Bottles and Jars 46 78 87 100 53 364
261 Gas and Liquid Contact Apparatus 63 77 69 80 67 356
132 Toilet 53 84 64 75 75 351
036 Boots, Shoes, and Leggings 66 73 73 62 70 344
376 Induced Nuclear Reactions: Processes, Systems, and Elements 45 52 61 108 68 334
408 Cutting by Use of Rotating Axially Moving Tool 36 51 67 87 93 334
102 Ammunition and Explosives 61 76 69 63 56 325
112 Sewing 68 73 51 75 56 323
224 Package and Article Carriers 38 54 67 73 91 323
227 Elongated-Member-Driving Apparatus 83 59 75 59 42 318
404 Road Structure, Process, or Apparatus 48 48 77 60 76 309
602 Surgery: Splint, Brace, or Bandage 72 61 60 71 43 307
266 Metallurgical Apparatus 69 68 55 50 61 303
089 Ordnance 53 51 75 53 69 301
338 Electrical Resistors 83 79 72 34 33 301
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 67 58 54 59 63 301
505 Superconductor Technology: Apparatus, Material, Process 29 70 47 72 82 300
092 Expansible Chamber Devices 49 51 48 61 82 291
420 Alloys or Metallic Compositions 40 45 50 62 94 291
048 Gas: Heating and Illuminating 43 58 66 61 62 290
254 Implements or Apparatus for Applying Pushing or Pulling Force 33 63 70 72 52 290
040 Card, Picture, or Sign Exhibiting 47 64 57 65 54 287
446 Amusement Devices: Toys 48 60 61 72 46 287
056 Harvesters 61 60 51 41 73 286
431 Combustion 54 44 49 61 74 282
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 19 14 31 78 140 282
044 Fuel and Related Compositions 36 41 52 74 74 277
409 Gear Cutting, Milling, or Planing 49 34 55 70 68 276
047 Plant Husbandry 53 55 60 47 60 275
392 Electric Resistance Heating Devices 57 50 49 66 52 274
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 38 46 58 50 81 273
108 Horizontally Supported Planar Surfaces 46 55 51 47 73 272
454 Ventilation 31 41 51 60 87 270
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 27 64 37 68 73 269
273 Amusement Devices: Games 50 45 76 56 30 257
042 Firearms 33 54 48 53 60 248
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 44 55 51 51 46 247
105 Railway Rolling Stock 32 44 54 60 48 238
299 Mining or In Situ Disintegration of Hard Material 24 27 42 60 78 231
100 Presses 20 38 49 64 59 230
301 Land Vehicles: Wheels and Axles 45 25 28 60 72 230
131 Tobacco 31 25 52 53 68 229
135 Tent, Canopy, Umbrella, or Cane 41 34 57 52 44 228
194 Check-Actuated Control Mechanisms 25 51 42 65 45 228
184 Lubrication 41 41 41 57 46 226
452 Butchering 28 37 44 66 49 224
293 Vehicle Fenders 44 46 32 48 52 222
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 46 66 55 36 17 220
182 Fire Escape, Ladder, or Scaffold 32 36 49 51 51 219
507 Earth Boring, Well Treating, and Oil Field Chemistry 55 38 34 46 46 219
057 Textiles: Spinning, Twisting, and Twining 41 45 46 42 22 196
221 Article Dispensing 32 24 34 46 59 195
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 22 20 43 41 69 195
177 Weighing Scales 32 46 32 39 43 192
124 Mechanical Guns and Projectors 42 40 22 32 54 190
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 32 40 52 45 21 190
082 Turning (e.g., for metal working) 41 38 38 42 28 187
322 Electricity: Single Generator Systems 32 37 41 49 27 186
051 Abrasive Tool Making Process, Material, or Composition 29 28 41 41 46 185
104 Railways 31 41 50 34 24 180
172 Earth Working 30 25 46 42 35 178
229 Envelopes, Wrappers, and Paperboard Boxes 29 21 39 47 42 178
236 Automatic Temperature and Humidity Regulation 39 38 34 35 29 175
037 Excavating 33 30 25 44 41 173
410 Freight Accommodation On Freight Carrier 26 29 55 42 21 173
279 Chucks or Sockets 26 40 32 22 51 171
432 Heating 28 26 32 30 50 166
091 Motors: Expansible Chamber Type 39 27 27 36 34 163
122 Liquid Heaters and Vaporizers 23 33 33 33 27 149
383 Flexible Bags 26 25 31 34 29 145
169 Fire Extinguishers 9 19 38 37 38 141
212 Traversing Hoists 15 27 15 42 42 141
419 Powder Metallurgy Processes 29 17 23 28 44 141
110 Furnaces 13 26 35 39 26 139
494 Imperforate Bowl: Centrifugal Separators 24 24 28 27 33 136
116 Signals and Indicators 28 16 25 30 36 135
043 Fishing, Trapping, and Vermin Destroying 18 22 25 33 35 133
203 Distillation: Processes, Separatory 20 25 26 25 36 132
472 Amusement Devices 30 20 24 39 19 132
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 39 32 23 21 15 130
332 Modulators 36 32 18 26 17 129
283 Printed Matter 14 28 37 27 19 125
066 Textiles: Knitting 46 21 30 15 9 121
071 Chemistry: Fertilizers 16 21 21 24 39 121
139 Textiles: Weaving 25 22 22 23 26 118
337 Electricity: Electrothermally or Thermally Actuated Switches 20 25 20 23 30 118
038 Textiles: Ironing or Smoothing 15 31 38 22 10 116
111 Planting 19 16 22 32 24 113
441 Buoys, Rafts, and Aquatic Devices 14 24 22 21 27 108
144 Woodworking 47 27 9 7 17 107
588 Hazardous or Toxic Waste Destruction or Containment 8 19 22 27 31 107
238 Railways: Surface Track 20 20 20 30 16 106
406 Conveyors: Fluid Current 10 19 19 27 28 103
492 Roll or Roller 21 23 13 26 17 100
014 Bridges 20 22 18 19 16 95
249 Static Molds 20 25 19 14 15 93
059 Chain, Staple, and Horseshoe Making 15 17 19 23 18 92
202 Distillation: Apparatus 13 13 23 23 20 92
125 Stone Working 18 12 20 19 19 88
191 Electricity: Transmission To Vehicles 9 10 15 24 29 87
127 Sugar, Starch, and Carbohydrates 13 17 22 14 20 86
305 Wheel Substitutes for Land Vehicles 19 13 10 21 23 86
412 Bookbinding: Process and Apparatus 18 20 14 12 22 86
512 Perfume Compositions 11 16 25 21 13 86
256 Fences 15 14 9 23 21 82
149 Explosive and Thermic Compositions or Charges 23 20 16 7 10 76
450 Foundation Garments 13 24 13 14 12 76
483 Tool Changing 7 13 18 18 19 75
246 Railway Switches and Signals 8 6 14 16 30 74
028 Textiles: Manufacturing 11 15 16 18 12 72
223 Apparel Apparatus 11 16 14 11 15 67
019 Textiles: Fiber Preparation 24 8 9 11 13 65
201 Distillation: Processes, Thermolytic 11 7 11 16 20 65
178 Telegraphy 7 13 24 10 9 63
225 Severing by Tearing or Breaking 5 12 12 15 17 61
329 Demodulators 19 23 4 8 7 61
460 Crop Threshing or Separating 10 20 4 10 16 60
193 Conveyors, Chutes, Skids, Guides, and Ways 7 8 9 19 15 58
476 Friction Gear Transmission Systems or Components 6 10 9 13 15 53
157 Wheelwright Machines 4 5 14 11 15 49
226 Advancing Material of Indeterminate Length 10 2 4 3 28 47
237 Heating Systems 6 6 11 15 9 47
300 Brush, Broom, and Mop Making 8 12 11 11 4 46
023 Chemistry: Physical Processes 12 9 7 9 8 45
453 Coin Handling 3 5 10 8 19 45
190 Trunks and Hand-Carried Luggage 10 3 10 10 10 43
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 10 9 11 7 6 43
063 Jewelry 9 8 7 7 10 41
140 Wireworking 7 4 7 9 12 39
373 Industrial Electric Heating Furnaces 4 1 8 14 12 39
087 Textiles: Braiding, Netting, and Lace Making 5 7 5 12 8 37
213 Railway Draft Appliances 4 7 10 8 7 36
012 Boot and Shoe Making 4 5 5 5 9 28
298 Land Vehicles: Dumping 5 6 3 6 8 28
076 Metal Tools and Implements, Making 3 10 9 3 2 27
086 Ammunition and Explosive-Charge Making 7 2 8 5 5 27
109 Safes, Bank Protection, or a Related Device 1 4 12 2 5 24
232 Deposit and Collection Receptacles 3 6 3 6 5 23
281 Books, Strips, and Leaves 2 7 5 4 2 20
388 Electricity: Motor Control Systems 11 6 1 0 2 20
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 4 4 4 2 6 20
054 Harness for Working Animal 6 3 4 4 2 19
159 Concentrating Evaporators 1 4 6 3 5 19
027 Undertaking 4 4 2 1 7 18
352 Optics: Motion Pictures 7 6 2 1 1 17
150 Purses, Wallets, and Protective Covers 2 3 0 3 6 14
171 Unearthing Plants or Buried Objects 5 3 1 4 1 14
007 Compound Hand Tools 0 0 3 5 5 13
026 Textiles: Cloth Finishing 2 4 4 1 1 12
413 Sheet Metal Container Making 1 3 3 3 2 12
196 Mineral Oils: Apparatus 1 1 3 4 2 11
346 Recorders 1 3 1 3 3 11
069 Leather Manufactures 3 2 1 4 0 10
185 Motors: Spring, Weight, or Animal Powered 2 2 1 2 2 9
186 Merchandising 2 0 1 2 1 6
289 Knots and Knot Tying 2 0 1 1 2 6
334 Tuners 0 0 1 2 3 6
449 Bee Culture (propagating, raising, caring for bees) 1 0 4 0 1 6
245 Wire Fabrics and Structure 2 0 2 0 0 4
291 Track Sanders 0 1 3 0 0 4
295 Railway Wheels and Axles 0 0 1 1 2 4
168 Farriery 0 1 0 1 1 3
217 Wooden Receptacles 1 1 1 0 0 3
260 Chemistry of Carbon Compounds 1 0 1 0 1 3
147 Coopering 1 0 0 1 0 2
142 Wood Turning 0 0 0 0 1 1
231 Whips and Whip Apparatus 1 0 0 0 0 1
ALL ALL CLASSES 115883 132129 144242 156056 157438 705748



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