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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

CALIFORNIA

( 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
370 Multiplex Communications 1608 1729 2019 2550 2571 10477
707 DP: Database and File Management or Data Structures (Data Processing) 1173 1354 1457 1710 1714 7408
455 Telecommunications 1030 1373 1590 1692 1660 7345
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 1153 1239 1274 1805 1685 7156
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 1044 1291 1450 1579 1567 6931
375 Pulse or Digital Communications 641 902 949 1067 1148 4707
345 Computer Graphics Processing and Selective Visual Display Systems 591 709 925 1146 1290 4661
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 769 905 1245 1110 558 4587
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 689 696 865 989 1082 4321
128 Surgery (includes Class 600) 608 715 811 844 799 3777
726 Information Security 371 500 741 954 1096 3662
438 Semiconductor Device Manufacturing: Process 704 649 665 837 690 3545
382 Image Analysis 473 632 699 778 803 3385
435 Chemistry: Molecular Biology and Microbiology 646 694 625 701 667 3333
606 Surgery (instruments) 545 609 684 668 772 3278
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 364 471 572 801 838 3046
713 Support (Electrical Computers and Digital Processing Systems) 393 552 624 733 633 2935
711 Memory (Electrical Computers and Digital Processing Systems) 480 487 550 665 722 2904
714 Error Detection/Correction and Fault Detection/Recovery 465 544 637 580 616 2842
365 Static Information Storage and Retrieval 487 462 562 669 640 2820
348 Television 279 448 489 703 893 2812
360 Dynamic Magnetic Information Storage or Retrieval 378 400 329 515 430 2052
604 Surgery (Medicators and Receptors) 343 388 455 415 403 2004
607 Surgery: Light, Thermal, and Electrical Application 280 344 409 407 326 1766
340 Communications: Electrical 237 329 352 370 392 1680
725 Interactive Video Distribution Systems 207 207 312 490 426 1642
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 289 348 372 403 226 1638
532 Organic Compounds (includes Classes 532-570) 289 347 352 364 260 1612
717 DP: Software Development, Installation, and Management (Data Processing) 202 254 348 383 412 1599
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 126 174 282 373 513 1468
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 235 266 322 320 323 1466
361 Electricity: Electrical Systems and Devices 231 242 267 275 374 1389
250 Radiant Energy 217 270 295 327 261 1370
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 264 304 248 276 251 1343
702 DP: Measuring, Calibrating, or Testing (Data Processing) 234 275 291 231 217 1248
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 174 189 271 298 266 1198
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 189 186 256 298 261 1190
463 Amusement Devices: Games 74 195 229 314 297 1109
706 DP: Artificial Intelligence (Data Processing) 173 185 223 248 277 1106
381 Electrical Audio Signal Processing Systems and Devices 131 229 191 220 330 1101
700 DP: Generic Control Systems or Specific Applications (Data Processing) 148 175 226 276 269 1094
379 Telephonic Communications 164 226 266 251 171 1078
473 Games Using Tangible Projectile 179 222 231 236 184 1052
359 Optical: Systems and Elements 213 205 161 206 195 980
324 Electricity: Measuring and Testing 210 185 184 206 191 976
356 Optics: Measuring and Testing 190 165 187 197 219 958
362 Illumination 154 170 186 206 207 923
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 99 131 182 215 256 883
029 Metal Working 160 191 157 166 147 821
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 110 157 184 195 169 815
398 Optical Communications 125 117 155 193 215 805
315 Electric Lamp and Discharge Devices: Systems 90 152 160 184 210 796
439 Electrical Connectors 162 142 168 153 147 772
428 Stock Material or Miscellaneous Articles 168 128 134 146 182 758
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 131 135 154 163 114 697
427 Coating Processes 115 147 129 166 140 697
385 Optical Waveguides 108 112 166 150 152 688
358 Facsimile and Static Presentation Processing 114 143 139 158 113 667
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 173 129 144 121 89 656
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 114 146 127 142 119 648
343 Communications: Radio Wave Antennas 120 119 119 133 153 644
380 Cryptography 96 143 122 151 123 635
052 Static Structures (e.g., Buildings) 89 113 140 154 133 629
073 Measuring and Testing 102 120 155 119 128 624
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 81 111 121 137 159 609
341 Coded Data Generation or Conversion 116 89 123 132 136 596
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 144 136 107 113 81 581
326 Electronic Digital Logic Circuitry 153 98 119 84 113 567
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 94 105 142 117 106 564
323 Electricity: Power Supply or Regulation Systems 112 96 120 119 108 555
320 Electricity: Battery or Capacitor Charging or Discharging 71 80 98 109 164 522
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 73 108 112 115 103 511
280 Land Vehicles 93 101 111 117 88 510
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 95 97 112 108 94 506
204 Chemistry: Electrical and Wave Energy 67 89 117 131 99 503
330 Amplifiers 101 89 89 108 112 499
244 Aeronautics and Astronautics 81 88 92 87 139 487
136 Batteries: Thermoelectric and Photoelectric 63 85 60 119 150 477
372 Coherent Light Generators 93 78 72 96 129 468
386 Motion Video Signal Processing for Recording or Reproducing 48 90 81 134 113 466
436 Chemistry: Analytical and Immunological Testing 99 98 108 80 76 461
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 134 78 85 60 86 443
351 Optics: Eye Examining, Vision Testing and Correcting 84 61 85 107 100 437
210 Liquid Purification or Separation 81 98 89 79 80 427
347 Incremental Printing of Symbolic Information 60 69 124 99 68 420
369 Dynamic Information Storage or Retrieval 65 73 117 71 91 417
307 Electrical Transmission or Interconnection Systems 75 71 71 90 101 408
363 Electric Power Conversion Systems 78 70 75 76 106 405
216 Etching a Substrate: Processes 47 81 102 94 66 390
084 Music 63 69 64 82 98 376
482 Exercise Devices 106 62 57 70 80 375
331 Oscillators 91 75 56 79 62 363
060 Power Plants 61 68 80 79 73 361
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 68 74 71 73 74 360
118 Coating Apparatus 66 73 77 92 47 355
206 Special Receptacle or Package 52 74 56 90 83 355
220 Receptacles 58 54 74 86 79 351
708 Arithmetic Processing and Calculating (Electrical Computers) 60 60 99 61 66 346
248 Supports (e.g., for holding articles, etc.) 54 68 59 64 86 331
137 Fluid Handling 35 61 50 68 101 315
333 Wave Transmission Lines and Networks 64 49 47 50 86 296
378 X-Ray or Gamma Ray Systems or Devices 56 56 48 57 69 286
174 Electricity: Conductors and Insulators 42 47 48 70 75 282
134 Cleaning and Liquid Contact with Solids 49 56 65 66 45 281
433 Dentistry 58 38 56 64 63 279
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 56 65 65 52 39 277
310 Electrical Generator or Motor Structure 52 69 67 37 51 276
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 75 55 53 50 42 275
219 Electric Heating 34 53 58 72 55 272
446 Amusement Devices: Toys 51 47 42 67 62 269
002 Apparel 44 56 56 38 61 255
396 Photography 44 52 61 54 32 243
318 Electricity: Motive Power Systems 61 52 44 46 39 242
423 Chemistry of Inorganic Compounds 28 32 75 48 53 236
015 Brushing, Scrubbing, and General Cleaning 30 36 57 54 50 227
062 Refrigeration 37 38 65 47 40 227
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 17 10 18 44 133 222
434 Education and Demonstration 28 36 56 63 36 219
451 Abrading 44 39 53 41 42 219
252 Compositions 39 35 49 44 51 218
005 Beds 39 42 47 46 43 217
123 Internal-Combustion Engines 36 20 50 57 50 213
349 Liquid Crystal Cells, Elements and Systems 26 41 38 34 62 201
602 Surgery: Splint, Brace, or Bandage 47 47 39 37 28 198
119 Animal Husbandry 39 40 35 42 34 190
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 34 41 34 31 42 182
222 Dispensing (apparatus and process) 26 37 41 39 37 180
180 Motor Vehicles 44 35 34 30 34 177
426 Food or Edible Material: Processes, Compositions, and Products 23 28 30 37 57 175
004 Baths, Closets, Sinks, and Spittoons 24 41 25 26 49 165
239 Fluid Sprinkling, Spraying, and Diffusing 24 25 29 36 51 165
297 Chairs and Seats 25 26 40 29 45 165
313 Electric Lamp and Discharge Devices 27 43 38 33 22 163
290 Prime-Mover Dynamo Plants 26 30 35 41 29 161
353 Optics: Image Projectors 29 31 35 34 25 154
224 Package and Article Carriers 20 14 27 34 56 151
095 Gas Separation: Processes 30 28 33 31 27 149
040 Card, Picture, or Sign Exhibiting 42 30 21 26 24 143
211 Supports: Racks 20 29 29 26 39 143
033 Geometrical Instruments 38 35 29 19 21 142
414 Material or Article Handling 18 25 33 32 34 142
585 Chemistry of Hydrocarbon Compounds 18 40 33 21 29 141
296 Land Vehicles: Bodies and Tops 19 22 32 30 32 135
417 Pumps 28 29 21 25 32 135
367 Communications, Electrical: Acoustic Wave Systems and Devices 14 24 27 34 35 134
036 Boots, Shoes, and Leggings 27 24 22 31 28 132
336 Inductor Devices 35 26 21 23 23 128
042 Firearms 15 20 17 36 35 123
132 Toilet 16 22 26 29 29 122
135 Tent, Canopy, Umbrella, or Cane 33 23 21 22 23 122
126 Stoves and Furnaces 18 25 25 27 26 121
273 Amusement Devices: Games 20 30 29 21 17 117
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 37 14 21 23 22 117
099 Foods and Beverages: Apparatus 19 15 19 36 26 115
106 Compositions: Coating or Plastic 13 32 25 21 24 115
374 Thermal Measuring and Testing 11 40 19 21 23 114
030 Cutlery 22 16 25 30 20 113
355 Photocopying 21 15 27 23 25 111
415 Rotary Kinetic Fluid Motors or Pumps 11 29 21 23 26 110
601 Surgery: Kinesitherapy 9 14 25 32 29 109
165 Heat Exchange 15 16 23 17 37 108
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 15 13 20 31 27 106
200 Electricity: Circuit Makers and Breakers 14 17 22 23 27 103
043 Fishing, Trapping, and Vermin Destroying 22 14 20 24 22 102
188 Brakes 13 18 19 23 29 102
208 Mineral Oils: Processes and Products 23 21 19 20 19 102
024 Buckles, Buttons, Clasps, Etc. 15 22 29 19 16 101
074 Machine Element or Mechanism 8 18 15 30 30 101
114 Ships 14 16 19 22 28 99
405 Hydraulic and Earth Engineering 18 18 24 23 16 99
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 14 17 25 23 20 99
070 Locks 16 16 17 24 24 97
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 12 29 26 18 12 97
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 15 25 19 17 21 97
081 Tools 18 12 22 29 15 96
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 15 21 14 18 27 95
228 Metal Fusion Bonding 14 18 19 24 20 95
047 Plant Husbandry 10 19 23 22 20 94
089 Ordnance 19 18 17 21 18 93
181 Acoustics 25 13 28 10 17 93
416 Fluid Reaction Surfaces (i.e., Impellers) 12 17 24 22 18 93
401 Coating Implements with Material Supply 12 19 18 16 22 87
251 Valves and Valve Actuation 16 22 19 15 13 85
404 Road Structure, Process, or Apparatus 18 15 15 17 20 85
294 Handling: Hand and Hoist-Line Implements 15 14 18 20 16 83
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 15 12 17 20 17 81
441 Buoys, Rafts, and Aquatic Devices 17 13 17 20 12 79
399 Electrophotography 20 11 18 19 10 78
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 16 17 12 19 14 78
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 13 15 20 18 11 77
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 11 11 17 18 20 77
312 Supports: Cabinet Structure 11 16 10 13 24 74
124 Mechanical Guns and Projectors 16 16 10 15 16 73
472 Amusement Devices 12 14 19 17 9 71
108 Horizontally Supported Planar Surfaces 11 15 12 17 15 70
376 Induced Nuclear Reactions: Processes, Systems, and Elements 11 11 13 15 20 70
269 Work Holders 8 11 20 25 5 69
292 Closure Fasteners 6 10 18 20 13 67
209 Classifying, Separating, and Assorting Solids 5 7 12 18 23 65
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 9 10 12 19 14 64
366 Agitating (e.g., of articles and materials) 9 20 11 10 13 63
044 Fuel and Related Compositions 16 11 12 13 10 62
096 Gas Separation: Apparatus 13 12 15 10 12 62
236 Automatic Temperature and Humidity Regulation 5 10 13 21 13 62
227 Elongated-Member-Driving Apparatus 17 10 10 13 11 61
148 Metal Treatment 13 6 16 14 11 60
285 Pipe Joints or Couplings 18 14 8 9 7 56
403 Joints and Connections 8 5 9 15 19 56
102 Ammunition and Explosives 13 14 17 5 5 54
049 Movable or Removable Closures 2 6 16 14 15 53
215 Bottles and Jars 5 4 9 18 17 53
384 Bearings 8 7 14 11 13 53
392 Electric Resistance Heating Devices 9 12 12 13 5 51
048 Gas: Heating and Illuminating 4 10 12 15 9 50
083 Cutting 10 5 13 9 13 50
101 Printing 7 6 13 10 14 50
368 Horology: Time Measuring Systems or Devices 14 8 13 10 5 50
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 8 7 12 10 11 48
160 Flexible or Portable Closure, Partition, or Panel 5 11 4 10 17 47
053 Package Making 6 8 8 8 16 46
221 Article Dispensing 9 8 9 6 14 46
254 Implements or Apparatus for Applying Pushing or Pulling Force 7 10 12 7 10 46
104 Railways 9 8 16 4 8 45
450 Foundation Garments 5 13 9 12 5 44
138 Pipes and Tubular Conduits 9 8 9 8 9 43
431 Combustion 4 9 10 6 14 43
131 Tobacco 7 6 11 7 11 42
072 Metal Deforming 5 10 8 9 9 41
182 Fire Escape, Ladder, or Scaffold 5 6 6 12 12 41
198 Conveyors: Power-Driven 7 12 8 7 7 41
175 Boring or Penetrating the Earth 8 10 7 7 8 40
034 Drying and Gas or Vapor Contact with Solids 4 10 6 10 9 39
475 Planetary Gear Transmission Systems or Components 2 9 7 12 9 39
242 Winding, Tensioning, or Guiding 7 5 6 10 10 38
241 Solid Material Comminution or Disintegration 5 5 7 9 11 37
223 Apparel Apparatus 6 7 4 10 7 34
261 Gas and Liquid Contact Apparatus 4 8 9 6 6 33
301 Land Vehicles: Wheels and Axles 7 4 5 6 11 33
410 Freight Accommodation On Freight Carrier 8 7 5 10 3 33
071 Chemistry: Fertilizers 4 8 5 8 7 32
164 Metal Founding 1 2 6 12 11 32
267 Spring Devices 4 6 6 8 8 32
400 Typewriting Machines 9 5 10 4 4 32
445 Electric Lamp or Space Discharge Component or Device Manufacturing 3 5 5 11 7 31
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 7 3 4 9 6 29
152 Resilient Tires and Wheels 7 5 4 7 6 29
271 Sheet Feeding or Delivering 12 8 4 2 2 28
149 Explosive and Thermic Compositions or Charges 7 9 6 4 1 27
383 Flexible Bags 6 5 5 5 6 27
440 Marine Propulsion 1 6 5 8 7 27
454 Ventilation 4 3 4 10 6 27
063 Jewelry 3 5 8 3 7 26
332 Modulators 9 4 6 5 2 26
409 Gear Cutting, Milling, or Planing 5 3 1 8 9 26
116 Signals and Indicators 4 5 5 3 8 25
169 Fire Extinguishers 3 3 2 9 8 25
408 Cutting by Use of Rotating Axially Moving Tool 5 3 2 10 5 25
277 Seal for a Joint or Juncture 1 7 1 5 10 24
283 Printed Matter 6 1 7 6 4 24
501 Compositions: Ceramic 7 2 5 5 5 24
014 Bridges 4 4 5 8 2 23
505 Superconductor Technology: Apparatus, Material, Process 3 2 8 5 5 23
338 Electrical Resistors 2 6 9 2 3 22
352 Optics: Motion Pictures 4 7 5 4 2 22
504 Plant Protecting and Regulating Compositions 0 2 3 8 9 22
056 Harvesters 4 5 5 2 5 21
178 Telegraphy 0 6 7 3 3 19
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 4 6 4 1 4 19
494 Imperforate Bowl: Centrifugal Separators 2 8 2 2 5 19
055 Gas Separation 5 5 2 2 4 18
092 Expansible Chamber Devices 2 0 2 4 10 18
202 Distillation: Apparatus 1 5 4 3 5 18
256 Fences 1 4 4 4 5 18
065 Glass Manufacturing 3 3 5 3 3 17
100 Presses 4 3 2 5 3 17
125 Stone Working 2 5 4 1 5 17
144 Woodworking 11 2 3 1 0 17
162 Paper Making and Fiber Liberation 2 6 2 3 4 17
177 Weighing Scales 5 1 2 6 3 17
229 Envelopes, Wrappers, and Paperboard Boxes 2 4 2 3 6 17
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 7 1 3 3 3 17
150 Purses, Wallets, and Protective Covers 2 1 3 6 4 16
173 Tool Driving or Impacting 2 4 0 7 3 16
190 Trunks and Hand-Carried Luggage 2 2 4 3 5 16
249 Static Molds 5 4 2 2 3 16
720 Dynamic Optical Information Storage or Retrieval 7 4 1 2 2 16
007 Compound Hand Tools 2 0 4 9 0 15
322 Electricity: Single Generator Systems 7 4 2 2 0 15
419 Powder Metallurgy Processes 3 2 1 7 2 15
203 Distillation: Processes, Separatory 0 3 5 2 4 14
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 3 4 1 2 3 13
027 Undertaking 4 4 4 0 1 13
184 Lubrication 1 2 3 6 1 13
406 Conveyors: Fluid Current 2 3 1 2 5 13
474 Endless Belt Power Transmission Systems or Components 0 4 3 2 4 13
293 Vehicle Fenders 0 1 3 3 5 12
432 Heating 4 1 1 2 4 12
588 Hazardous or Toxic Waste Destruction or Containment 4 3 1 1 3 12
087 Textiles: Braiding, Netting, and Lace Making 0 3 2 6 0 11
192 Clutches and Power-Stop Control 1 1 3 2 4 11
194 Check-Actuated Control Mechanisms 3 2 3 3 0 11
246 Railway Switches and Signals 2 2 1 5 1 11
266 Metallurgical Apparatus 1 2 3 5 0 11
279 Chucks or Sockets 1 1 3 1 5 11
418 Rotary Expansible Chamber Devices 2 3 1 3 2 11
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 1 3 4 1 2 11
086 Ammunition and Explosive-Charge Making 1 3 0 5 1 10
337 Electricity: Electrothermally or Thermally Actuated Switches 1 2 2 1 4 10
082 Turning (e.g., for metal working) 0 2 1 1 5 9
105 Railway Rolling Stock 5 1 1 0 2 9
110 Furnaces 3 1 2 1 2 9
112 Sewing 2 2 1 2 2 9
122 Liquid Heaters and Vaporizers 4 2 2 1 0 9
140 Wireworking 2 1 2 0 4 9
172 Earth Working 2 1 2 2 2 9
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 2 1 1 3 2 9
012 Boot and Shoe Making 2 1 2 2 1 8
037 Excavating 0 2 1 2 3 8
054 Harness for Working Animal 0 5 0 1 2 8
066 Textiles: Knitting 0 0 5 1 2 8
477 Interrelated Power Delivery Controls, Including Engine Control 2 1 3 0 2 8
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 0 2 3 2 8
091 Motors: Expansible Chamber Type 1 1 0 4 1 7
191 Electricity: Transmission To Vehicles 3 3 1 0 0 7
201 Distillation: Processes, Thermolytic 0 1 1 2 3 7
225 Severing by Tearing or Breaking 1 2 0 3 1 7
329 Demodulators 3 0 1 1 2 7
507 Earth Boring, Well Treating, and Oil Field Chemistry 1 3 1 1 1 7
023 Chemistry: Physical Processes 1 1 3 0 1 6
238 Railways: Surface Track 0 1 2 1 2 6
281 Books, Strips, and Leaves 4 0 1 0 1 6
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 1 2 1 2 0 6
109 Safes, Bank Protection, or a Related Device 0 1 2 0 2 5
127 Sugar, Starch, and Carbohydrates 1 0 1 0 3 5
232 Deposit and Collection Receptacles 0 1 2 0 2 5
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 0 2 1 2 5
019 Textiles: Fiber Preparation 1 0 2 0 1 4
026 Textiles: Cloth Finishing 1 3 0 0 0 4
038 Textiles: Ironing or Smoothing 0 2 2 0 0 4
051 Abrasive Tool Making Process, Material, or Composition 1 0 1 1 1 4
059 Chain, Staple, and Horseshoe Making 0 1 1 0 2 4
111 Planting 2 1 0 0 1 4
139 Textiles: Weaving 1 3 0 0 0 4
212 Traversing Hoists 1 0 1 0 2 4
420 Alloys or Metallic Compositions 0 1 1 1 1 4
449 Bee Culture (propagating, raising, caring for bees) 0 0 2 2 0 4
452 Butchering 1 1 0 1 1 4
057 Textiles: Spinning, Twisting, and Twining 1 1 1 0 0 3
068 Textiles: Fluid Treating Apparatus 0 1 0 0 2 3
237 Heating Systems 2 1 0 0 0 3
299 Mining or In Situ Disintegration of Hard Material 0 2 0 0 1 3
303 Fluid-Pressure and Analogous Brake Systems 1 2 0 0 0 3
476 Friction Gear Transmission Systems or Components 2 1 0 0 0 3
028 Textiles: Manufacturing 0 1 0 0 1 2
076 Metal Tools and Implements, Making 0 0 2 0 0 2
185 Motors: Spring, Weight, or Animal Powered 0 0 2 0 0 2
186 Merchandising 0 1 0 1 0 2
196 Mineral Oils: Apparatus 0 0 1 1 0 2
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 1 0 1 0 2
270 Sheet-Material Associating 1 0 0 0 1 2
289 Knots and Knot Tying 0 1 1 0 0 2
298 Land Vehicles: Dumping 0 0 1 0 1 2
300 Brush, Broom, and Mop Making 0 0 1 0 1 2
334 Tuners 0 1 0 0 1 2
373 Industrial Electric Heating Furnaces 0 1 1 0 0 2
412 Bookbinding: Process and Apparatus 1 1 0 0 0 2
492 Roll or Roller 2 0 0 0 0 2
512 Perfume Compositions 0 0 1 1 0 2
157 Wheelwright Machines 0 1 0 0 0 1
168 Farriery 0 1 0 0 0 1
171 Unearthing Plants or Buried Objects 0 0 0 1 0 1
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 1 0 1
213 Railway Draft Appliances 0 0 1 0 0 1
226 Advancing Material of Indeterminate Length 0 0 0 0 1 1
305 Wheel Substitutes for Land Vehicles 0 0 0 0 1 1
314 Electric Lamp and Discharge Devices: Consumable Electrodes 0 0 0 1 0 1
346 Recorders 0 1 0 0 0 1
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 0 0 1 1
413 Sheet Metal Container Making 0 0 0 0 1 1
453 Coin Handling 0 0 0 0 1 1
460 Crop Threshing or Separating 0 0 0 0 1 1
462 Books, Strips, and Leaves for Manifolding 0 0 1 0 0 1
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 0 1 0 0 1
ALL ALL CLASSES 28147 32107 36193 40661 40196 177304


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