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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

WASHINGTON

( 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
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 428 459 452 553 511 2403
707 DP: Database and File Management or Data Structures (Data Processing) 422 497 451 487 402 2259
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 218 232 255 309 291 1305
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 197 309 330 266 154 1256
726 Information Security 140 195 228 301 303 1167
455 Telecommunications 134 200 226 221 237 1018
345 Computer Graphics Processing and Selective Visual Display Systems 150 137 196 240 294 1017
717 DP: Software Development, Installation, and Management (Data Processing) 133 179 217 241 212 982
370 Multiplex Communications 161 157 165 171 184 838
382 Image Analysis 128 136 173 173 149 759
713 Support (Electrical Computers and Digital Processing Systems) 106 105 151 181 179 722
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 99 127 125 123 129 603
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 71 72 122 136 125 526
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 91 104 80 77 88 440
340 Communications: Electrical 71 79 83 90 96 419
711 Memory (Electrical Computers and Digital Processing Systems) 55 68 82 88 124 417
244 Aeronautics and Astronautics 72 57 63 97 109 398
714 Error Detection/Correction and Fault Detection/Recovery 73 62 70 84 92 381
348 Television 30 62 57 94 131 374
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 33 62 76 87 102 360
128 Surgery (includes Class 600) 46 90 68 75 73 352
375 Pulse or Digital Communications 50 67 64 66 56 303
435 Chemistry: Molecular Biology and Microbiology 67 59 57 57 60 300
706 DP: Artificial Intelligence (Data Processing) 53 52 62 78 52 297
379 Telephonic Communications 40 56 63 64 53 276
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 52 52 69 65 37 275
463 Amusement Devices: Games 35 61 54 57 44 251
700 DP: Generic Control Systems or Specific Applications (Data Processing) 39 32 39 63 75 248
607 Surgery: Light, Thermal, and Electrical Application 42 48 49 57 36 232
725 Interactive Video Distribution Systems 26 32 41 66 50 215
702 DP: Measuring, Calibrating, or Testing (Data Processing) 48 39 54 42 28 211
361 Electricity: Electrical Systems and Devices 26 16 40 46 55 183
358 Facsimile and Static Presentation Processing 37 52 35 20 36 180
073 Measuring and Testing 25 34 37 40 42 178
604 Surgery (Medicators and Receptors) 23 42 40 38 33 176
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 20 31 40 38 45 174
250 Radiant Energy 34 33 33 40 27 167
324 Electricity: Measuring and Testing 38 26 26 39 28 157
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 34 34 25 31 32 156
052 Static Structures (e.g., Buildings) 20 26 40 26 37 149
606 Surgery (instruments) 19 33 32 27 37 148
029 Metal Working 21 22 28 42 33 146
359 Optical: Systems and Elements 25 21 31 41 27 145
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 26 32 15 31 28 132
532 Organic Compounds (includes Classes 532-570) 34 23 26 26 19 128
381 Electrical Audio Signal Processing Systems and Devices 13 39 22 21 29 124
428 Stock Material or Miscellaneous Articles 18 18 29 21 37 123
380 Cryptography 25 19 25 28 19 116
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 25 27 14 16 26 108
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 23 21 19 14 28 105
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 18 16 26 22 22 104
356 Optics: Measuring and Testing 24 21 22 15 21 103
347 Incremental Printing of Symbolic Information 14 20 19 25 19 97
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 24 18 16 17 17 92
385 Optical Waveguides 19 12 25 22 12 90
482 Exercise Devices 31 15 19 14 11 90
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 15 25 15 20 14 89
280 Land Vehicles 14 11 18 17 23 83
439 Electrical Connectors 17 13 14 13 19 76
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 19 13 16 16 11 75
060 Power Plants 11 15 14 19 14 73
362 Illumination 10 14 10 18 21 73
248 Supports (e.g., for holding articles, etc.) 21 12 11 9 19 72
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 5 8 14 19 26 72
307 Electrical Transmission or Interconnection Systems 13 11 12 12 21 69
343 Communications: Radio Wave Antennas 14 14 14 17 10 69
220 Receptacles 13 11 14 13 14 65
438 Semiconductor Device Manufacturing: Process 20 9 15 11 10 65
353 Optics: Image Projectors 11 9 15 14 11 60
315 Electric Lamp and Discharge Devices: Systems 5 6 8 14 26 59
210 Liquid Purification or Separation 10 7 8 17 16 58
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 12 4 17 10 13 56
084 Music 12 7 11 10 15 55
015 Brushing, Scrubbing, and General Cleaning 10 5 11 12 15 53
137 Fluid Handling 4 4 13 10 19 50
239 Fluid Sprinkling, Spraying, and Diffusing 9 6 10 5 20 50
386 Motion Video Signal Processing for Recording or Reproducing 3 11 14 13 9 50
434 Education and Demonstration 6 13 8 16 7 50
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 6 7 9 10 17 49
436 Chemistry: Analytical and Immunological Testing 13 12 11 7 5 48
033 Geometrical Instruments 10 5 7 14 11 47
365 Static Information Storage and Retrieval 9 8 11 11 8 47
398 Optical Communications 7 8 6 9 13 43
426 Food or Edible Material: Processes, Compositions, and Products 3 11 11 3 14 42
320 Electricity: Battery or Capacitor Charging or Discharging 4 9 6 9 13 41
036 Boots, Shoes, and Leggings 5 6 9 14 5 39
341 Coded Data Generation or Conversion 7 16 9 3 4 39
005 Beds 8 9 8 7 6 38
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 7 8 10 8 4 37
297 Chairs and Seats 4 7 6 10 9 36
405 Hydraulic and Earth Engineering 8 5 11 5 7 36
099 Foods and Beverages: Apparatus 0 5 10 13 7 35
296 Land Vehicles: Bodies and Tops 8 8 7 5 7 35
351 Optics: Eye Examining, Vision Testing and Correcting 5 6 7 9 8 35
473 Games Using Tangible Projectile 5 7 4 8 11 35
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 4 5 6 8 12 35
174 Electricity: Conductors and Insulators 0 7 7 10 10 34
180 Motor Vehicles 4 3 5 12 10 34
219 Electric Heating 6 2 7 7 12 34
290 Prime-Mover Dynamo Plants 3 7 8 12 4 34
062 Refrigeration 3 6 6 7 11 33
310 Electrical Generator or Motor Structure 10 5 7 8 3 33
427 Coating Processes 4 8 6 8 7 33
114 Ships 5 12 4 5 6 32
123 Internal-Combustion Engines 11 5 9 5 2 32
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 5 5 9 7 6 32
083 Cutting 5 8 5 5 8 31
241 Solid Material Comminution or Disintegration 5 4 8 6 8 31
273 Amusement Devices: Games 7 5 11 5 3 31
323 Electricity: Power Supply or Regulation Systems 2 6 5 10 8 31
378 X-Ray or Gamma Ray Systems or Devices 6 9 5 7 4 31
423 Chemistry of Inorganic Compounds 7 8 4 7 5 31
708 Arithmetic Processing and Calculating (Electrical Computers) 5 1 9 7 9 31
042 Firearms 4 4 7 8 7 30
318 Electricity: Motive Power Systems 2 6 11 6 5 30
047 Plant Husbandry 6 2 3 10 8 29
206 Special Receptacle or Package 5 3 5 5 11 29
372 Coherent Light Generators 3 4 7 5 10 29
451 Abrading 3 6 5 7 8 29
119 Animal Husbandry 4 4 7 4 9 28
136 Batteries: Thermoelectric and Photoelectric 7 2 5 8 6 28
224 Package and Article Carriers 4 1 3 10 10 28
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 3 7 6 4 8 28
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 7 3 8 5 4 27
601 Surgery: Kinesitherapy 3 3 7 4 10 27
002 Apparel 4 4 7 5 5 25
030 Cutlery 3 5 3 8 6 25
198 Conveyors: Power-Driven 1 4 6 8 6 25
095 Gas Separation: Processes 3 7 4 6 4 24
326 Electronic Digital Logic Circuitry 5 2 7 5 5 24
072 Metal Deforming 6 5 6 0 6 23
164 Metal Founding 2 4 6 3 8 23
204 Chemistry: Electrical and Wave Energy 2 4 2 6 9 23
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 3 2 8 3 7 23
349 Liquid Crystal Cells, Elements and Systems 6 4 3 4 5 22
396 Photography 4 6 1 5 6 22
043 Fishing, Trapping, and Vermin Destroying 4 4 4 6 3 21
100 Presses 5 5 5 2 4 21
175 Boring or Penetrating the Earth 3 1 6 7 4 21
182 Fire Escape, Ladder, or Scaffold 0 6 5 7 3 21
292 Closure Fasteners 8 4 4 3 2 21
024 Buckles, Buttons, Clasps, Etc. 5 3 4 3 5 20
124 Mechanical Guns and Projectors 3 3 6 5 3 20
403 Joints and Connections 2 4 1 4 9 20
222 Dispensing (apparatus and process) 2 0 3 6 8 19
433 Dentistry 3 3 5 3 5 19
126 Stoves and Furnaces 4 3 5 4 2 18
269 Work Holders 5 1 6 5 1 18
366 Agitating (e.g., of articles and materials) 1 7 2 3 5 18
367 Communications, Electrical: Acoustic Wave Systems and Devices 6 2 1 2 7 18
369 Dynamic Information Storage or Retrieval 2 1 2 6 7 18
414 Material or Article Handling 2 3 1 3 9 18
602 Surgery: Splint, Brace, or Bandage 5 3 3 5 2 18
074 Machine Element or Mechanism 1 2 3 3 8 17
089 Ordnance 3 3 1 8 2 17
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 2 3 4 2 6 17
181 Acoustics 3 2 4 4 4 17
285 Pipe Joints or Couplings 1 1 2 5 8 17
049 Movable or Removable Closures 2 1 3 3 7 16
081 Tools 3 2 4 3 4 16
134 Cleaning and Liquid Contact with Solids 5 1 4 3 3 16
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 1 1 2 7 5 16
200 Electricity: Circuit Makers and Breakers 1 3 5 3 4 16
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 5 4 0 5 16
211 Supports: Racks 3 2 4 3 4 16
271 Sheet Feeding or Delivering 2 1 5 6 2 16
294 Handling: Hand and Hoist-Line Implements 2 4 4 4 2 16
374 Thermal Measuring and Testing 3 4 3 3 3 16
440 Marine Propulsion 5 2 3 3 3 16
004 Baths, Closets, Sinks, and Spittoons 1 5 3 1 5 15
034 Drying and Gas or Vapor Contact with Solids 3 2 1 4 5 15
070 Locks 7 3 0 4 1 15
096 Gas Separation: Apparatus 4 5 2 4 0 15
209 Classifying, Separating, and Assorting Solids 5 2 1 3 4 15
400 Typewriting Machines 3 2 2 6 2 15
053 Package Making 5 5 3 0 1 14
162 Paper Making and Fiber Liberation 2 2 2 5 3 14
165 Heat Exchange 1 1 3 2 7 14
252 Compositions 2 2 2 1 7 14
312 Supports: Cabinet Structure 2 0 2 1 9 14
333 Wave Transmission Lines and Networks 2 2 3 5 2 14
504 Plant Protecting and Regulating Compositions 3 3 1 3 4 14
048 Gas: Heating and Illuminating 3 5 0 1 4 13
254 Implements or Apparatus for Applying Pushing or Pulling Force 4 4 2 1 2 13
303 Fluid-Pressure and Analogous Brake Systems 4 2 3 3 1 13
376 Induced Nuclear Reactions: Processes, Systems, and Elements 1 2 3 3 4 13
408 Cutting by Use of Rotating Axially Moving Tool 2 5 1 1 4 13
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 1 0 1 2 9 13
135 Tent, Canopy, Umbrella, or Cane 2 0 3 2 5 12
144 Woodworking 6 1 2 1 2 12
242 Winding, Tensioning, or Guiding 3 1 2 6 0 12
363 Electric Power Conversion Systems 1 3 4 3 1 12
368 Horology: Time Measuring Systems or Devices 2 0 3 4 3 12
454 Ventilation 1 0 0 4 7 12
040 Card, Picture, or Sign Exhibiting 5 2 1 3 0 11
102 Ammunition and Explosives 1 2 2 2 4 11
177 Weighing Scales 0 3 3 2 3 11
188 Brakes 2 3 1 1 4 11
330 Amplifiers 1 6 3 1 0 11
065 Glass Manufacturing 3 5 0 0 2 10
106 Compositions: Coating or Plastic 0 5 2 0 3 10
132 Toilet 3 1 0 2 4 10
173 Tool Driving or Impacting 1 2 3 2 2 10
228 Metal Fusion Bonding 1 1 5 1 2 10
331 Oscillators 6 2 1 1 0 10
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 3 2 1 3 1 10
360 Dynamic Magnetic Information Storage or Retrieval 0 0 1 5 4 10
446 Amusement Devices: Toys 4 1 1 2 2 10
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 2 5 1 2 0 10
012 Boot and Shoe Making 1 1 2 2 3 9
044 Fuel and Related Compositions 3 2 3 1 0 9
056 Harvesters 1 1 1 3 3 9
116 Signals and Indicators 1 2 2 1 3 9
215 Bottles and Jars 1 1 0 4 3 9
410 Freight Accommodation On Freight Carrier 2 4 1 2 0 9
417 Pumps 2 1 2 1 3 9
055 Gas Separation 3 0 3 2 0 8
101 Printing 5 1 0 0 2 8
108 Horizontally Supported Planar Surfaces 0 1 3 3 1 8
148 Metal Treatment 1 1 3 1 2 8
221 Article Dispensing 1 2 4 1 0 8
336 Inductor Devices 2 0 4 0 2 8
384 Bearings 1 0 4 0 3 8
415 Rotary Kinetic Fluid Motors or Pumps 0 4 3 0 1 8
416 Fluid Reaction Surfaces (i.e., Impellers) 2 3 1 1 1 8
460 Crop Threshing or Separating 0 1 3 0 4 8
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 1 1 1 0 4 7
160 Flexible or Portable Closure, Partition, or Panel 0 1 1 3 2 7
194 Check-Actuated Control Mechanisms 1 0 2 3 1 7
229 Envelopes, Wrappers, and Paperboard Boxes 1 1 3 1 1 7
441 Buoys, Rafts, and Aquatic Devices 0 1 2 0 4 7
450 Foundation Garments 1 4 0 2 0 7
452 Butchering 1 0 2 3 1 7
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 4 1 1 0 1 7
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 2 0 2 2 1 7
014 Bridges 1 2 1 1 1 6
057 Textiles: Spinning, Twisting, and Twining 0 2 2 0 2 6
071 Chemistry: Fertilizers 1 2 1 0 2 6
131 Tobacco 0 1 1 1 3 6
172 Earth Working 2 1 2 0 1 6
192 Clutches and Power-Stop Control 1 1 2 1 1 6
313 Electric Lamp and Discharge Devices 0 2 1 2 1 6
401 Coating Implements with Material Supply 1 2 2 1 0 6
404 Road Structure, Process, or Apparatus 2 1 0 1 2 6
588 Hazardous or Toxic Waste Destruction or Containment 2 1 1 1 1 6
112 Sewing 1 2 0 0 2 5
118 Coating Apparatus 1 1 0 2 1 5
190 Trunks and Hand-Carried Luggage 1 2 1 0 1 5
208 Mineral Oils: Processes and Products 0 1 2 2 0 5
251 Valves and Valve Actuation 0 0 1 3 1 5
261 Gas and Liquid Contact Apparatus 2 0 0 1 2 5
277 Seal for a Joint or Juncture 0 1 1 1 2 5
301 Land Vehicles: Wheels and Axles 0 2 1 0 2 5
305 Wheel Substitutes for Land Vehicles 0 0 1 2 2 5
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 2 1 0 1 5
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 2 1 1 1 5
585 Chemistry of Hydrocarbon Compounds 0 4 0 0 1 5
007 Compound Hand Tools 1 1 0 1 1 4
037 Excavating 1 1 0 2 0 4
104 Railways 1 1 0 1 1 4
138 Pipes and Tubular Conduits 1 0 0 1 2 4
191 Electricity: Transmission To Vehicles 0 0 3 0 1 4
202 Distillation: Apparatus 1 1 1 1 0 4
227 Elongated-Member-Driving Apparatus 1 1 1 1 0 4
232 Deposit and Collection Receptacles 2 1 1 0 0 4
299 Mining or In Situ Disintegration of Hard Material 0 1 0 1 2 4
322 Electricity: Single Generator Systems 3 1 0 0 0 4
418 Rotary Expansible Chamber Devices 1 1 1 0 1 4
475 Planetary Gear Transmission Systems or Components 2 0 0 1 1 4
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 2 0 1 0 3
054 Harness for Working Animal 1 1 0 0 1 3
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 1 1 0 0 3
092 Expansible Chamber Devices 0 1 0 1 1 3
111 Planting 1 0 1 1 0 3
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 2 0 1 3
152 Resilient Tires and Wheels 0 1 1 0 1 3
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 2 0 1 3
203 Distillation: Processes, Separatory 1 1 1 0 0 3
216 Etching a Substrate: Processes 2 0 0 1 0 3
236 Automatic Temperature and Humidity Regulation 0 2 1 0 0 3
256 Fences 1 1 0 0 1 3
266 Metallurgical Apparatus 1 1 1 0 0 3
338 Electrical Resistors 0 2 1 0 0 3
383 Flexible Bags 0 1 0 1 1 3
392 Electric Resistance Heating Devices 1 0 1 1 0 3
399 Electrophotography 1 0 0 1 1 3
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 2 0 0 1 0 3
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 1 2 0 3
474 Endless Belt Power Transmission Systems or Components 1 1 0 1 0 3
059 Chain, Staple, and Horseshoe Making 0 0 0 2 0 2
063 Jewelry 1 1 0 0 0 2
066 Textiles: Knitting 0 0 0 1 1 2
068 Textiles: Fluid Treating Apparatus 0 1 0 0 1 2
086 Ammunition and Explosive-Charge Making 1 0 0 0 1 2
087 Textiles: Braiding, Netting, and Lace Making 1 0 1 0 0 2
109 Safes, Bank Protection, or a Related Device 1 0 0 0 1 2
125 Stone Working 0 0 2 0 0 2
150 Purses, Wallets, and Protective Covers 0 1 0 0 1 2
169 Fire Extinguishers 0 0 0 1 1 2
184 Lubrication 1 0 0 0 1 2
185 Motors: Spring, Weight, or Animal Powered 0 1 0 0 1 2
193 Conveyors, Chutes, Skids, Guides, and Ways 1 0 1 0 0 2
201 Distillation: Processes, Thermolytic 0 0 0 1 1 2
249 Static Molds 1 0 0 1 0 2
267 Spring Devices 0 0 0 1 1 2
283 Printed Matter 1 0 1 0 0 2
289 Knots and Knot Tying 0 0 1 0 1 2
406 Conveyors: Fluid Current 0 0 1 1 0 2
409 Gear Cutting, Milling, or Planing 0 0 0 0 2 2
431 Combustion 0 1 0 1 0 2
432 Heating 0 0 1 0 1 2
453 Coin Handling 0 0 0 0 2 2
462 Books, Strips, and Leaves for Manifolding 0 1 0 0 1 2
472 Amusement Devices 1 1 0 0 0 2
492 Roll or Roller 0 1 0 1 0 2
505 Superconductor Technology: Apparatus, Material, Process 0 0 1 1 0 2
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 1 0 0 1 2
028 Textiles: Manufacturing 0 1 0 0 0 1
076 Metal Tools and Implements, Making 0 0 0 1 0 1
082 Turning (e.g., for metal working) 0 1 0 0 0 1
110 Furnaces 0 0 0 0 1 1
122 Liquid Heaters and Vaporizers 0 1 0 0 0 1
127 Sugar, Starch, and Carbohydrates 0 0 1 0 0 1
159 Concentrating Evaporators 0 0 0 1 0 1
178 Telegraphy 0 0 0 0 1 1
212 Traversing Hoists 0 0 0 0 1 1
217 Wooden Receptacles 0 0 0 0 1 1
223 Apparel Apparatus 0 0 0 1 0 1
225 Severing by Tearing or Breaking 1 0 0 0 0 1
246 Railway Switches and Signals 0 0 0 1 0 1
291 Track Sanders 0 0 0 0 1 1
298 Land Vehicles: Dumping 1 0 0 0 0 1
332 Modulators 1 0 0 0 0 1
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 1 0 0 1
407 Cutters, for Shaping 0 0 1 0 0 1
419 Powder Metallurgy Processes 0 0 0 1 0 1
445 Electric Lamp or Space Discharge Component or Device Manufacturing 1 0 0 0 0 1
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 0 1 0 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 0 0 1 1
720 Dynamic Optical Information Storage or Retrieval 0 0 1 0 0 1
ALL ALL CLASSES 4765 5390 5878 6448 6378 28859



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