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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 2008 - 2012 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 2008 2009 2010 2011 2012 Total
370 Multiplex Communications 940 1193 1597 1608 1730 7068
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 683 824 1192 1152 1239 5090
707 DP: Database and File Management or Data Structures (Data Processing) 453 661 1212 1173 1355 4854
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 630 714 987 1044 1291 4666
455 Telecommunications 477 563 760 1030 1373 4203
375 Pulse or Digital Communications 446 494 639 641 902 3122
438 Semiconductor Device Manufacturing: Process 472 504 715 704 649 3044
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 261 344 747 769 903 3024
435 Chemistry: Molecular Biology and Microbiology 486 487 675 646 694 2988
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 416 451 619 689 696 2871
345 Computer Graphics Processing and Selective Visual Display Systems 333 419 518 591 709 2570
128 Surgery (includes Class 600) 304 330 510 608 715 2467
714 Error Detection/Correction and Fault Detection/Recovery 402 415 493 466 544 2320
382 Image Analysis 347 388 468 473 632 2308
365 Static Information Storage and Retrieval 417 440 428 487 462 2234
713 Support (Electrical Computers and Digital Processing Systems) 352 356 467 393 552 2120
711 Memory (Electrical Computers and Digital Processing Systems) 384 346 396 480 487 2093
606 Surgery (instruments) 194 212 394 545 609 1954
360 Dynamic Magnetic Information Storage or Retrieval 351 343 340 378 400 1812
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 195 278 396 364 471 1704
726 Information Security 137 214 307 371 499 1528
532 Organic Compounds (includes Classes 532-570) 273 246 292 289 347 1447
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 243 263 279 289 348 1422
348 Television 185 199 276 279 448 1387
604 Surgery (Medicators and Receptors) 132 152 308 343 388 1323
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 206 216 268 264 304 1258
250 Radiant Energy 275 241 245 217 270 1248
340 Communications: Electrical 204 195 235 237 329 1200
361 Electricity: Electrical Systems and Devices 218 223 271 231 242 1185
359 Optical: Systems and Elements 231 213 255 213 205 1117
702 DP: Measuring, Calibrating, or Testing (Data Processing) 171 176 257 234 275 1113
607 Surgery: Light, Thermal, and Electrical Application 108 153 224 280 344 1109
356 Optics: Measuring and Testing 292 229 230 190 165 1106
324 Electricity: Measuring and Testing 205 203 239 210 185 1042
717 DP: Software Development, Installation, and Management (Data Processing) 163 152 260 202 253 1030
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 171 174 199 189 186 919
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 102 118 181 235 266 902
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 278 132 180 173 129 892
326 Electronic Digital Logic Circuitry 205 192 206 153 98 854
385 Optical Waveguides 242 200 161 108 112 823
439 Electrical Connectors 165 161 185 162 142 815
473 Games Using Tangible Projectile 112 127 162 179 222 802
029 Metal Working 132 139 158 160 191 780
379 Telephonic Communications 89 112 156 164 226 747
725 Interactive Video Distribution Systems 53 117 158 207 207 742
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 121 110 121 174 189 715
700 DP: Generic Control Systems or Specific Applications (Data Processing) 100 108 151 148 175 682
706 DP: Artificial Intelligence (Data Processing) 48 102 157 173 185 665
341 Coded Data Generation or Conversion 159 140 150 116 90 655
362 Illumination 98 95 133 154 170 650
073 Measuring and Testing 159 122 115 102 120 618
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 107 94 140 111 157 609
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 89 107 112 144 136 588
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 104 84 134 131 135 588
428 Stock Material or Miscellaneous Articles 75 93 122 168 128 586
381 Electrical Audio Signal Processing Systems and Devices 59 73 91 131 229 583
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 107 120 136 134 78 575
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 107 104 101 114 146 572
398 Optical Communications 96 116 113 125 117 567
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 63 76 115 127 174 555
358 Facsimile and Static Presentation Processing 87 112 97 114 143 553
427 Coating Processes 71 83 129 115 147 545
330 Amplifiers 104 108 126 101 89 528
343 Communications: Radio Wave Antennas 82 87 112 120 119 520
380 Cryptography 65 101 110 96 144 516
323 Electricity: Power Supply or Regulation Systems 79 99 114 112 96 500
372 Coherent Light Generators 92 111 116 93 78 490
436 Chemistry: Analytical and Immunological Testing 73 93 91 99 98 454
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 49 65 103 99 131 447
280 Land Vehicles 66 78 92 93 101 430
482 Exercise Devices 56 74 115 106 62 413
210 Liquid Purification or Separation 77 77 74 81 98 407
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 66 74 82 73 108 403
315 Electric Lamp and Discharge Devices: Systems 60 50 48 90 152 400
331 Oscillators 63 80 90 91 75 399
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 52 51 97 94 105 399
052 Static Structures (e.g., Buildings) 32 57 82 89 113 373
204 Chemistry: Electrical and Wave Energy 61 59 96 67 89 372
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 34 47 87 81 111 360
463 Amusement Devices: Games 21 15 47 74 195 352
351 Optics: Eye Examining, Vision Testing and Correcting 72 68 64 84 61 349
084 Music 65 61 76 63 69 334
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 30 47 58 95 97 327
363 Electric Power Conversion Systems 55 56 66 78 70 325
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 66 57 57 68 74 322
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 54 55 81 75 55 320
333 Wave Transmission Lines and Networks 69 59 70 64 49 311
244 Aeronautics and Astronautics 41 43 56 81 88 309
310 Electrical Generator or Motor Structure 48 65 66 52 69 300
708 Arithmetic Processing and Calculating (Electrical Computers) 58 50 72 60 60 300
378 X-Ray or Gamma Ray Systems or Devices 57 62 66 56 56 297
248 Supports (e.g., for holding articles, etc.) 39 51 81 54 68 293
320 Electricity: Battery or Capacitor Charging or Discharging 22 56 62 71 80 291
118 Coating Apparatus 44 35 62 66 73 280
386 Motion Video Signal Processing for Recording or Reproducing 50 38 47 48 90 273
206 Special Receptacle or Package 51 42 51 52 74 270
347 Incremental Printing of Symbolic Information 43 48 47 60 69 267
307 Electrical Transmission or Interconnection Systems 22 42 54 75 71 264
060 Power Plants 26 42 53 61 68 250
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 27 23 73 56 65 244
216 Etching a Substrate: Processes 39 37 36 47 81 240
137 Fluid Handling 40 37 61 35 61 234
369 Dynamic Information Storage or Retrieval 33 31 33 64 73 234
136 Batteries: Thermoelectric and Photoelectric 12 29 42 63 85 231
318 Electricity: Motive Power Systems 35 33 47 61 52 228
134 Cleaning and Liquid Contact with Solids 35 36 42 49 56 218
174 Electricity: Conductors and Insulators 49 40 40 42 47 218
446 Amusement Devices: Toys 23 37 48 51 47 206
219 Electric Heating 32 33 52 34 53 204
002 Apparel 31 25 46 44 56 202
396 Photography 24 30 51 44 52 201
220 Receptacles 16 32 37 58 54 197
451 Abrading 31 30 44 44 39 188
015 Brushing, Scrubbing, and General Cleaning 44 30 45 30 36 185
433 Dentistry 34 20 35 58 38 185
033 Geometrical Instruments 33 31 43 38 35 180
062 Refrigeration 30 33 38 37 38 176
005 Beds 28 21 45 39 42 175
423 Chemistry of Inorganic Compounds 20 36 58 28 32 174
602 Surgery: Splint, Brace, or Bandage 12 21 36 47 47 163
119 Animal Husbandry 26 23 31 39 40 159
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 19 28 34 34 41 156
123 Internal-Combustion Engines 29 29 40 36 20 154
180 Motor Vehicles 20 20 33 44 35 152
273 Amusement Devices: Games 34 28 37 20 30 149
297 Chairs and Seats 36 31 29 25 26 147
252 Compositions 25 17 28 39 35 144
040 Card, Picture, or Sign Exhibiting 29 14 28 42 30 143
313 Electric Lamp and Discharge Devices 21 22 27 27 43 140
353 Optics: Image Projectors 39 21 17 29 31 137
004 Baths, Closets, Sinks, and Spittoons 27 18 25 24 41 135
296 Land Vehicles: Bodies and Tops 32 24 34 19 22 131
135 Tent, Canopy, Umbrella, or Cane 11 25 36 33 23 128
222 Dispensing (apparatus and process) 18 10 36 26 37 127
239 Fluid Sprinkling, Spraying, and Diffusing 28 20 30 24 25 127
414 Material or Article Handling 17 26 36 18 25 122
349 Liquid Crystal Cells, Elements and Systems 14 20 17 26 41 118
290 Prime-Mover Dynamo Plants 14 23 21 26 30 114
036 Boots, Shoes, and Leggings 16 16 30 27 24 113
095 Gas Separation: Processes 14 18 23 30 28 113
336 Inductor Devices 11 20 21 35 26 113
434 Education and Demonstration 12 23 13 28 36 112
208 Mineral Oils: Processes and Products 25 17 19 23 21 105
426 Food or Edible Material: Processes, Compositions, and Products 12 18 24 23 28 105
374 Thermal Measuring and Testing 13 18 20 11 40 102
417 Pumps 19 8 15 28 29 99
404 Road Structure, Process, or Apparatus 28 12 21 18 15 94
030 Cutlery 17 11 27 22 16 93
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 7 10 23 37 14 91
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 14 20 17 15 25 91
106 Compositions: Coating or Plastic 10 13 22 13 32 90
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 13 14 35 15 13 90
585 Chemistry of Hydrocarbon Compounds 6 16 10 18 40 90
355 Photocopying 25 14 14 21 15 89
211 Supports: Racks 13 10 12 20 29 84
367 Communications, Electrical: Acoustic Wave Systems and Devices 12 21 13 14 24 84
042 Firearms 18 10 20 15 20 83
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 17 12 20 16 17 82
200 Electricity: Circuit Makers and Breakers 19 15 16 14 17 81
224 Package and Article Carriers 13 6 28 20 14 81
405 Hydraulic and Earth Engineering 13 13 19 18 18 81
228 Metal Fusion Bonding 14 15 18 14 18 79
165 Heat Exchange 13 15 18 15 16 77
181 Acoustics 14 15 10 25 13 77
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 12 15 8 12 29 76
399 Electrophotography 6 10 29 20 11 76
024 Buckles, Buttons, Clasps, Etc. 15 8 15 15 22 75
285 Pipe Joints or Couplings 10 15 18 18 14 75
099 Foods and Beverages: Apparatus 18 6 16 19 15 74
114 Ships 19 14 11 14 16 74
126 Stoves and Furnaces 7 7 17 18 25 74
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 9 15 14 15 21 74
251 Valves and Valve Actuation 6 14 15 16 22 73
441 Buoys, Rafts, and Aquatic Devices 17 11 15 17 13 73
070 Locks 13 10 17 16 16 72
043 Fishing, Trapping, and Vermin Destroying 12 7 16 22 14 71
124 Mechanical Guns and Projectors 13 9 16 16 16 70
102 Ammunition and Explosives 14 18 10 13 14 69
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 16 13 18 11 11 69
294 Handling: Hand and Hoist-Line Implements 10 14 15 15 14 68
415 Rotary Kinetic Fluid Motors or Pumps 6 7 14 11 29 67
188 Brakes 8 15 11 13 18 65
089 Ordnance 1 11 15 19 18 64
401 Coating Implements with Material Supply 9 10 14 12 19 64
081 Tools 8 9 16 18 12 63
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 12 9 14 13 15 63
366 Agitating (e.g., of articles and materials) 16 11 7 9 20 63
601 Surgery: Kinesitherapy 20 11 9 9 14 63
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 8 8 15 14 17 62
047 Plant Husbandry 5 9 18 10 19 61
132 Toilet 8 10 5 16 22 61
368 Horology: Time Measuring Systems or Devices 17 12 10 14 8 61
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 7 11 13 15 12 58
108 Horizontally Supported Planar Surfaces 11 10 11 11 15 58
074 Machine Element or Mechanism 11 9 11 8 18 57
053 Package Making 17 16 9 6 8 56
096 Gas Separation: Apparatus 8 8 14 13 12 55
312 Supports: Cabinet Structure 7 10 11 11 16 55
198 Conveyors: Power-Driven 14 12 8 7 12 53
044 Fuel and Related Compositions 5 9 9 16 11 50
254 Implements or Apparatus for Applying Pushing or Pulling Force 18 5 9 7 10 49
227 Elongated-Member-Driving Apparatus 4 5 12 17 10 48
376 Induced Nuclear Reactions: Processes, Systems, and Elements 2 15 9 11 11 48
416 Fluid Reaction Surfaces (i.e., Impellers) 5 7 7 12 17 48
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 6 7 8 17 10 48
384 Bearings 14 10 8 8 7 47
072 Metal Deforming 12 12 7 5 10 46
160 Flexible or Portable Closure, Partition, or Panel 11 7 11 5 11 45
148 Metal Treatment 4 14 7 13 6 44
450 Foundation Garments 7 9 10 5 13 44
472 Amusement Devices 4 2 11 12 14 43
271 Sheet Feeding or Delivering 8 6 8 12 8 42
292 Closure Fasteners 7 6 13 6 10 42
175 Boring or Penetrating the Earth 5 9 9 8 10 41
138 Pipes and Tubular Conduits 2 7 13 9 8 39
242 Winding, Tensioning, or Guiding 13 9 5 7 5 39
392 Electric Resistance Heating Devices 4 3 11 9 12 39
101 Printing 5 7 13 7 6 38
269 Work Holders 3 2 12 8 11 36
332 Modulators 2 8 13 9 4 36
403 Joints and Connections 12 5 6 8 5 36
431 Combustion 6 9 8 4 9 36
055 Gas Separation 12 9 4 5 5 35
475 Planetary Gear Transmission Systems or Components 11 5 8 2 9 35
221 Article Dispensing 5 6 6 9 8 34
410 Freight Accommodation On Freight Carrier 7 5 7 8 7 34
034 Drying and Gas or Vapor Contact with Solids 11 4 4 4 10 33
209 Classifying, Separating, and Assorting Solids 9 4 8 5 7 33
083 Cutting 4 4 9 10 5 32
048 Gas: Heating and Illuminating 5 6 6 4 10 31
104 Railways 3 3 8 9 8 31
261 Gas and Liquid Contact Apparatus 3 8 8 4 8 31
720 Dynamic Optical Information Storage or Retrieval 8 7 5 7 4 31
400 Typewriting Machines 5 3 8 9 5 30
236 Automatic Temperature and Humidity Regulation 7 2 5 5 10 29
301 Land Vehicles: Wheels and Axles 5 8 5 7 4 29
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 1 9 9 10 29
144 Woodworking 3 6 6 11 2 28
056 Harvesters 4 5 9 4 5 27
241 Solid Material Comminution or Disintegration 7 4 6 5 5 27
229 Envelopes, Wrappers, and Paperboard Boxes 5 8 7 2 4 26
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 3 4 8 7 3 25
152 Resilient Tires and Wheels 5 5 3 7 5 25
322 Electricity: Single Generator Systems 7 3 2 7 4 23
383 Flexible Bags 4 4 4 6 5 23
440 Marine Propulsion 6 4 6 1 6 23
169 Fire Extinguishers 5 2 9 3 3 22
182 Fire Escape, Ladder, or Scaffold 5 3 3 5 6 22
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 6 3 3 4 6 22
223 Apparel Apparatus 4 2 3 6 7 22
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 2 1 4 8 7 22
065 Glass Manufacturing 7 3 5 3 3 21
116 Signals and Indicators 3 6 3 4 5 21
215 Bottles and Jars 1 7 4 5 4 21
352 Optics: Motion Pictures 5 3 2 4 7 21
445 Electric Lamp or Space Discharge Component or Device Manufacturing 5 3 5 3 5 21
131 Tobacco 0 3 4 7 6 20
149 Explosive and Thermic Compositions or Charges 0 0 4 7 9 20
338 Electrical Resistors 3 2 7 2 6 20
049 Movable or Removable Closures 5 4 2 2 6 19
277 Seal for a Joint or Juncture 5 3 3 1 7 19
100 Presses 3 5 3 4 3 18
454 Ventilation 2 4 5 4 3 18
125 Stone Working 4 1 5 2 5 17
267 Spring Devices 2 1 4 4 6 17
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 4 1 4 3 4 16
063 Jewelry 4 1 3 3 5 16
082 Turning (e.g., for metal working) 7 3 4 0 2 16
476 Friction Gear Transmission Systems or Components 8 1 4 2 1 16
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 3 5 4 1 3 16
249 Static Molds 3 1 2 5 4 15
408 Cutting by Use of Rotating Axially Moving Tool 2 2 3 5 3 15
409 Gear Cutting, Milling, or Planing 1 3 3 5 3 15
412 Bookbinding: Process and Apparatus 3 3 7 1 1 15
014 Bridges 5 1 0 4 4 14
110 Furnaces 3 3 4 3 1 14
150 Purses, Wallets, and Protective Covers 1 5 5 2 1 14
202 Distillation: Apparatus 1 3 4 1 5 14
419 Powder Metallurgy Processes 3 4 2 3 2 14
494 Imperforate Bowl: Centrifugal Separators 0 2 2 2 8 14
501 Compositions: Ceramic 0 1 4 7 2 14
027 Undertaking 1 3 1 4 4 13
071 Chemistry: Fertilizers 0 0 1 4 8 13
173 Tool Driving or Impacting 0 5 2 2 4 13
190 Trunks and Hand-Carried Luggage 3 4 2 2 2 13
281 Books, Strips, and Leaves 2 2 5 4 0 13
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 4 0 1 7 1 13
474 Endless Belt Power Transmission Systems or Components 0 2 7 0 4 13
105 Railway Rolling Stock 1 4 1 5 1 12
122 Liquid Heaters and Vaporizers 4 0 2 4 2 12
256 Fences 2 2 3 1 4 12
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 4 2 3 2 1 12
507 Earth Boring, Well Treating, and Oil Field Chemistry 3 2 3 1 3 12
054 Harness for Working Animal 2 4 0 0 5 11
283 Printed Matter 1 1 2 6 1 11
432 Heating 3 1 2 4 1 11
162 Paper Making and Fiber Liberation 0 2 0 2 6 10
164 Metal Founding 2 5 0 1 2 10
172 Earth Working 0 3 4 2 1 10
177 Weighing Scales 1 1 2 5 1 10
329 Demodulators 2 3 2 3 0 10
505 Superconductor Technology: Apparatus, Material, Process 2 1 2 3 2 10
112 Sewing 1 1 3 2 2 9
418 Rotary Expansible Chamber Devices 2 1 1 2 3 9
477 Interrelated Power Delivery Controls, Including Engine Control 2 1 3 2 1 9
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 2 5 1 0 9
588 Hazardous or Toxic Waste Destruction or Containment 0 0 2 4 3 9
012 Boot and Shoe Making 1 1 3 2 1 8
092 Expansible Chamber Devices 1 2 3 2 0 8
111 Planting 1 2 2 2 1 8
178 Telegraphy 1 1 0 0 6 8
192 Clutches and Power-Stop Control 0 3 3 1 1 8
194 Check-Actuated Control Mechanisms 1 0 2 3 2 8
203 Distillation: Processes, Separatory 0 4 1 0 3 8
270 Sheet-Material Associating 2 5 0 1 0 8
279 Chucks or Sockets 2 3 1 1 1 8
303 Fluid-Pressure and Analogous Brake Systems 1 2 2 1 2 8
406 Conveyors: Fluid Current 1 1 1 2 3 8
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 2 0 3 1 2 8
140 Wireworking 1 1 2 2 1 7
191 Electricity: Transmission To Vehicles 1 0 0 3 3 7
225 Severing by Tearing or Breaking 2 1 1 1 2 7
337 Electricity: Electrothermally or Thermally Actuated Switches 0 1 3 1 2 7
452 Butchering 1 3 1 1 1 7
037 Excavating 0 2 2 0 2 6
051 Abrasive Tool Making Process, Material, or Composition 2 1 2 1 0 6
238 Railways: Surface Track 2 2 1 0 1 6
246 Railway Switches and Signals 1 0 1 2 2 6
299 Mining or In Situ Disintegration of Hard Material 2 1 1 0 2 6
504 Plant Protecting and Regulating Compositions 1 1 2 0 2 6
007 Compound Hand Tools 0 2 1 2 0 5
026 Textiles: Cloth Finishing 1 0 0 1 3 5
057 Textiles: Spinning, Twisting, and Twining 0 1 2 1 1 5
184 Lubrication 2 0 0 1 2 5
293 Vehicle Fenders 2 1 1 0 1 5
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 1 0 4 0 0 5
420 Alloys or Metallic Compositions 2 0 2 0 1 5
023 Chemistry: Physical Processes 0 0 2 1 1 4
038 Textiles: Ironing or Smoothing 1 1 0 0 2 4
059 Chain, Staple, and Horseshoe Making 2 0 1 0 1 4
086 Ammunition and Explosive-Charge Making 0 0 0 1 3 4
087 Textiles: Braiding, Netting, and Lace Making 1 0 0 0 3 4
139 Textiles: Weaving 0 0 0 1 3 4
212 Traversing Hoists 0 2 1 1 0 4
232 Deposit and Collection Receptacles 1 1 1 0 1 4
334 Tuners 1 1 1 0 1 4
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 1 1 2 0 0 4
066 Textiles: Knitting 0 0 3 0 0 3
068 Textiles: Fluid Treating Apparatus 0 0 2 0 1 3
091 Motors: Expansible Chamber Type 0 1 0 1 1 3
109 Safes, Bank Protection, or a Related Device 1 0 1 0 1 3
157 Wheelwright Machines 0 0 2 0 1 3
237 Heating Systems 0 0 0 2 1 3
266 Metallurgical Apparatus 0 0 0 1 2 3
289 Knots and Knot Tying 0 1 1 0 1 3
168 Farriery 0 1 0 0 1 2
201 Distillation: Processes, Thermolytic 0 0 1 0 1 2
213 Railway Draft Appliances 2 0 0 0 0 2
346 Recorders 1 0 0 0 1 2
388 Electricity: Motor Control Systems 1 0 1 0 0 2
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 1 0 1 0 0 2
492 Roll or Roller 0 0 0 2 0 2
019 Textiles: Fiber Preparation 0 0 0 1 0 1
028 Textiles: Manufacturing 0 0 0 0 1 1
127 Sugar, Starch, and Carbohydrates 0 0 0 1 0 1
159 Concentrating Evaporators 0 0 1 0 0 1
186 Merchandising 0 0 0 0 1 1
193 Conveyors, Chutes, Skids, Guides, and Ways 1 0 0 0 0 1
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 0 0 0 1 1
231 Whips and Whip Apparatus 1 0 0 0 0 1
314 Electric Lamp and Discharge Devices: Consumable Electrodes 0 1 0 0 0 1
373 Industrial Electric Heating Furnaces 0 0 0 0 1 1
407 Cutters, for Shaping 1 0 0 0 0 1
483 Tool Changing 1 0 0 0 0 1
512 Perfume Compositions 1 0 0 0 0 1
ALL ALL CLASSES 19182 20648 27337 28148 32107 127422


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