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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 2010 - 2014 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

MINNESOTA

( 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 2010 2011 2012 2013 2014 Total
607 Surgery: Light, Thermal, and Electrical Application 349 362 391 483 510 2095
128 Surgery (includes Class 600) 150 206 208 247 266 1077
606 Surgery (instruments) 116 120 139 141 172 688
604 Surgery (Medicators and Receptors) 102 109 137 142 131 621
707 DP: Database and File Management or Data Structures (Data Processing) 112 124 144 112 106 598
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 82 68 113 128 175 566
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 61 106 102 104 120 493
360 Dynamic Magnetic Information Storage or Retrieval 57 61 62 75 163 418
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 57 91 73 89 89 399
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 68 67 87 85 60 367
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 72 58 62 61 86 339
365 Static Information Storage and Retrieval 51 86 87 59 44 327
370 Multiplex Communications 85 71 44 50 73 323
711 Memory (Electrical Computers and Digital Processing Systems) 49 77 74 69 54 323
385 Optical Waveguides 73 58 58 61 53 303
428 Stock Material or Miscellaneous Articles 59 48 68 65 52 292
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 55 51 41 65 67 279
714 Error Detection/Correction and Fault Detection/Recovery 54 53 37 37 65 246
073 Measuring and Testing 50 59 43 40 51 243
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 48 48 42 46 35 219
340 Communications: Electrical 44 38 38 43 44 207
361 Electricity: Electrical Systems and Devices 40 43 37 47 35 202
435 Chemistry: Molecular Biology and Microbiology 45 37 35 37 38 192
382 Image Analysis 21 37 48 49 34 189
700 DP: Generic Control Systems or Specific Applications (Data Processing) 35 41 46 30 20 172
717 DP: Software Development, Installation, and Management (Data Processing) 13 18 33 39 65 168
029 Metal Working 37 26 35 28 32 158
381 Electrical Audio Signal Processing Systems and Devices 10 16 35 39 57 157
055 Gas Separation 17 38 28 41 29 153
345 Computer Graphics Processing and Selective Visual Display Systems 22 36 43 31 21 153
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 21 22 36 36 37 152
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 35 33 25 28 20 141
210 Liquid Purification or Separation 32 39 27 22 20 140
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 38 33 26 24 19 140
052 Static Structures (e.g., Buildings) 24 27 25 28 34 138
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 23 22 31 25 36 137
702 DP: Measuring, Calibrating, or Testing (Data Processing) 24 35 29 20 28 136
713 Support (Electrical Computers and Digital Processing Systems) 24 25 30 31 26 136
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 28 33 26 16 28 131
426 Food or Edible Material: Processes, Compositions, and Products 24 23 33 23 23 126
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 27 22 20 19 36 124
427 Coating Processes 26 18 31 17 32 124
455 Telecommunications 18 21 19 31 35 124
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 15 30 30 25 24 124
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 17 23 27 22 34 123
180 Motor Vehicles 27 19 22 28 22 118
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 10 9 32 42 23 116
280 Land Vehicles 21 24 21 22 27 115
726 Information Security 12 13 27 31 30 113
438 Semiconductor Device Manufacturing: Process 23 27 21 23 17 111
356 Optics: Measuring and Testing 31 28 18 18 15 110
324 Electricity: Measuring and Testing 23 21 18 16 30 108
532 Organic Compounds (includes Classes 532-570) 21 20 11 28 27 107
439 Electrical Connectors 27 25 13 19 18 102
359 Optical: Systems and Elements 13 17 18 26 23 97
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 24 31 16 16 9 96
248 Supports (e.g., for holding articles, etc.) 19 28 14 16 17 94
375 Pulse or Digital Communications 21 13 18 19 16 87
137 Fluid Handling 18 11 20 12 22 83
362 Illumination 15 11 6 18 32 82
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 18 13 7 20 18 76
369 Dynamic Information Storage or Retrieval 2 4 8 28 34 76
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 15 21 12 17 9 74
040 Card, Picture, or Sign Exhibiting 11 15 12 10 23 71
348 Television 4 7 17 22 21 71
134 Cleaning and Liquid Contact with Solids 5 17 16 11 21 70
062 Refrigeration 16 15 11 13 13 68
211 Supports: Racks 8 13 14 15 18 68
206 Special Receptacle or Package 16 12 12 10 17 67
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 7 8 9 21 22 67
174 Electricity: Conductors and Insulators 13 14 13 13 12 65
398 Optical Communications 12 12 11 17 12 64
222 Dispensing (apparatus and process) 6 8 9 15 25 63
250 Radiant Energy 13 15 7 10 17 62
436 Chemistry: Analytical and Immunological Testing 8 14 12 15 13 62
219 Electric Heating 18 11 9 11 12 61
239 Fluid Sprinkling, Spraying, and Diffusing 17 12 6 11 13 59
015 Brushing, Scrubbing, and General Cleaning 12 10 8 18 9 57
060 Power Plants 12 6 10 12 15 55
220 Receptacles 4 10 7 18 16 55
404 Road Structure, Process, or Apparatus 8 6 5 18 18 55
451 Abrading 9 6 8 9 23 55
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 15 9 9 11 6 50
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 12 15 6 7 8 48
482 Exercise Devices 18 11 9 6 4 48
095 Gas Separation: Processes 10 7 6 17 7 47
119 Animal Husbandry 6 11 11 7 9 44
043 Fishing, Trapping, and Vermin Destroying 11 5 5 10 9 40
252 Compositions 5 4 10 10 11 40
315 Electric Lamp and Discharge Devices: Systems 2 7 4 15 12 40
296 Land Vehicles: Bodies and Tops 9 4 9 10 6 38
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 7 9 7 5 10 38
706 DP: Artificial Intelligence (Data Processing) 5 4 7 12 9 37
349 Liquid Crystal Cells, Elements and Systems 8 10 6 6 6 36
473 Games Using Tangible Projectile 7 6 8 3 12 36
123 Internal-Combustion Engines 4 8 6 8 9 35
417 Pumps 7 7 7 7 7 35
198 Conveyors: Power-Driven 5 6 7 7 8 33
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 9 3 2 9 10 33
463 Amusement Devices: Games 3 5 7 7 11 33
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 6 6 5 9 7 33
118 Coating Apparatus 7 4 6 7 8 32
601 Surgery: Kinesitherapy 7 6 10 3 6 32
049 Movable or Removable Closures 7 1 5 9 9 31
053 Package Making 6 7 5 11 2 31
236 Automatic Temperature and Humidity Regulation 11 8 4 2 5 30
380 Cryptography 4 8 7 7 4 30
708 Arithmetic Processing and Calculating (Electrical Computers) 4 1 10 11 4 30
002 Apparel 8 6 6 4 5 29
056 Harvesters 8 1 8 5 7 29
172 Earth Working 9 6 3 7 4 29
307 Electrical Transmission or Interconnection Systems 6 7 4 6 6 29
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 9 8 5 4 3 29
005 Beds 6 9 5 3 5 28
326 Electronic Digital Logic Circuitry 7 3 4 13 1 28
358 Facsimile and Static Presentation Processing 5 6 3 7 7 28
602 Surgery: Splint, Brace, or Bandage 5 7 4 4 8 28
405 Hydraulic and Earth Engineering 6 3 4 3 11 27
072 Metal Deforming 7 10 3 4 2 26
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 5 8 7 3 3 26
244 Aeronautics and Astronautics 3 7 7 6 3 26
374 Thermal Measuring and Testing 4 1 10 5 6 26
434 Education and Demonstration 1 3 3 9 10 26
096 Gas Separation: Apparatus 5 5 4 8 3 25
310 Electrical Generator or Motor Structure 4 9 3 6 3 25
372 Coherent Light Generators 3 0 4 10 8 25
414 Material or Article Handling 5 5 3 5 7 25
433 Dentistry 7 3 2 7 6 25
051 Abrasive Tool Making Process, Material, or Composition 0 9 6 3 6 24
114 Ships 2 3 6 5 8 24
229 Envelopes, Wrappers, and Paperboard Boxes 5 4 3 5 7 24
273 Amusement Devices: Games 3 4 4 5 8 24
294 Handling: Hand and Hoist-Line Implements 7 5 5 3 4 24
297 Chairs and Seats 3 4 4 8 5 24
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 7 3 3 9 2 24
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 3 3 5 5 7 23
181 Acoustics 4 5 5 4 5 23
084 Music 3 5 5 6 3 22
204 Chemistry: Electrical and Wave Energy 4 1 5 2 10 22
241 Solid Material Comminution or Disintegration 3 9 2 4 4 22
366 Agitating (e.g., of articles and materials) 4 5 4 5 4 22
318 Electricity: Motive Power Systems 6 5 2 3 5 21
024 Buckles, Buttons, Clasps, Etc. 7 2 5 3 3 20
037 Excavating 6 5 2 2 5 20
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 8 0 4 5 3 20
182 Fire Escape, Ladder, or Scaffold 0 3 3 4 10 20
396 Photography 4 6 6 2 2 20
126 Stoves and Furnaces 4 4 1 2 8 19
290 Prime-Mover Dynamo Plants 6 5 1 3 4 19
036 Boots, Shoes, and Leggings 7 1 2 3 5 18
074 Machine Element or Mechanism 4 1 6 4 3 18
135 Tent, Canopy, Umbrella, or Cane 2 6 4 4 2 18
216 Etching a Substrate: Processes 0 2 4 5 7 18
285 Pipe Joints or Couplings 4 1 3 5 5 18
379 Telephonic Communications 4 5 1 5 3 18
431 Combustion 2 3 3 6 4 18
083 Cutting 2 3 5 5 2 17
106 Compositions: Coating or Plastic 3 3 1 4 6 17
251 Valves and Valve Actuation 5 3 3 3 3 17
254 Implements or Apparatus for Applying Pushing or Pulling Force 4 6 3 1 3 17
312 Supports: Cabinet Structure 1 2 4 3 7 17
313 Electric Lamp and Discharge Devices 0 4 3 6 4 17
331 Oscillators 5 3 4 1 4 17
343 Communications: Radio Wave Antennas 3 3 2 6 3 17
347 Incremental Printing of Symbolic Information 1 4 4 5 3 17
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 3 4 3 2 5 17
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 3 2 3 2 6 16
047 Plant Husbandry 1 5 4 2 4 16
261 Gas and Liquid Contact Apparatus 4 2 3 5 2 16
725 Interactive Video Distribution Systems 4 3 2 2 5 16
030 Cutlery 0 6 5 3 1 15
033 Geometrical Instruments 1 7 2 3 2 15
042 Firearms 2 3 2 3 5 15
192 Clutches and Power-Stop Control 3 4 3 3 2 15
242 Winding, Tensioning, or Guiding 3 4 2 3 3 15
320 Electricity: Battery or Capacitor Charging or Discharging 0 4 4 6 1 15
401 Coating Implements with Material Supply 5 1 3 3 3 15
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 6 5 0 3 1 15
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 4 3 1 4 2 14
165 Heat Exchange 0 4 5 3 2 14
403 Joints and Connections 2 3 2 5 2 14
160 Flexible or Portable Closure, Partition, or Panel 2 2 2 2 5 13
227 Elongated-Member-Driving Apparatus 3 3 1 2 4 13
330 Amplifiers 2 6 1 3 1 13
341 Coded Data Generation or Conversion 4 2 2 1 4 13
363 Electric Power Conversion Systems 3 3 1 3 3 13
034 Drying and Gas or Vapor Contact with Solids 1 5 2 2 2 12
044 Fuel and Related Compositions 1 0 1 5 5 12
081 Tools 2 0 1 3 6 12
099 Foods and Beverages: Apparatus 3 1 1 6 1 12
101 Printing 2 2 2 2 4 12
102 Ammunition and Explosives 3 0 2 5 2 12
124 Mechanical Guns and Projectors 3 3 1 2 3 12
125 Stone Working 0 3 4 1 4 12
138 Pipes and Tubular Conduits 1 3 2 3 3 12
224 Package and Article Carriers 1 3 1 1 6 12
269 Work Holders 0 4 2 3 3 12
299 Mining or In Situ Disintegration of Hard Material 1 1 0 1 9 12
209 Classifying, Separating, and Assorting Solids 0 4 3 2 2 11
353 Optics: Image Projectors 4 2 3 1 1 11
383 Flexible Bags 1 1 4 4 1 11
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 3 1 2 3 2 11
089 Ordnance 1 2 2 2 3 10
136 Batteries: Thermoelectric and Photoelectric 0 0 2 2 6 10
169 Fire Extinguishers 1 1 2 3 3 10
256 Fences 3 2 3 2 0 10
323 Electricity: Power Supply or Regulation Systems 0 2 4 2 2 10
378 X-Ray or Gamma Ray Systems or Devices 3 3 0 1 3 10
392 Electric Resistance Heating Devices 3 1 1 3 2 10
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 2 2 1 2 3 10
175 Boring or Penetrating the Earth 4 2 1 1 1 9
400 Typewriting Machines 2 2 0 1 4 9
423 Chemistry of Inorganic Compounds 1 0 5 2 1 9
440 Marine Propulsion 2 2 2 1 2 9
108 Horizontally Supported Planar Surfaces 1 1 2 3 1 8
116 Signals and Indicators 3 1 0 2 2 8
149 Explosive and Thermic Compositions or Charges 0 1 4 3 0 8
164 Metal Founding 3 1 1 1 2 8
188 Brakes 3 0 2 2 1 8
200 Electricity: Circuit Makers and Breakers 0 5 0 2 1 8
271 Sheet Feeding or Delivering 3 1 1 1 2 8
322 Electricity: Single Generator Systems 0 3 0 4 1 8
351 Optics: Eye Examining, Vision Testing and Correcting 3 0 2 2 1 8
415 Rotary Kinetic Fluid Motors or Pumps 1 3 2 1 1 8
441 Buoys, Rafts, and Aquatic Devices 3 0 3 1 1 8
446 Amusement Devices: Toys 1 3 0 3 1 8
452 Butchering 2 2 1 2 1 8
065 Glass Manufacturing 0 4 2 0 1 7
111 Planting 0 0 1 2 4 7
122 Liquid Heaters and Vaporizers 1 0 1 2 3 7
144 Woodworking 3 3 1 0 0 7
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 1 0 2 2 2 7
215 Bottles and Jars 1 2 1 0 3 7
221 Article Dispensing 1 3 1 1 1 7
249 Static Molds 2 1 2 0 2 7
420 Alloys or Metallic Compositions 1 1 1 2 2 7
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 3 1 2 1 7
720 Dynamic Optical Information Storage or Retrieval 3 0 1 3 0 7
048 Gas: Heating and Illuminating 0 0 2 0 4 6
132 Toilet 0 3 0 0 3 6
148 Metal Treatment 1 2 2 0 1 6
223 Apparel Apparatus 3 1 1 1 0 6
228 Metal Fusion Bonding 3 0 1 1 1 6
246 Railway Switches and Signals 0 1 2 2 1 6
298 Land Vehicles: Dumping 2 1 2 1 0 6
305 Wheel Substitutes for Land Vehicles 2 2 1 0 1 6
410 Freight Accommodation On Freight Carrier 2 2 1 0 1 6
472 Amusement Devices 0 2 1 2 1 6
507 Earth Boring, Well Treating, and Oil Field Chemistry 1 0 3 1 1 6
585 Chemistry of Hydrocarbon Compounds 1 1 0 1 3 6
110 Furnaces 1 2 2 0 0 5
127 Sugar, Starch, and Carbohydrates 3 1 1 0 0 5
152 Resilient Tires and Wheels 1 2 1 0 1 5
177 Weighing Scales 2 1 0 1 1 5
267 Spring Devices 1 1 1 0 2 5
301 Land Vehicles: Wheels and Axles 2 0 0 1 2 5
338 Electrical Resistors 2 1 2 0 0 5
367 Communications, Electrical: Acoustic Wave Systems and Devices 3 0 0 0 2 5
386 Motion Video Signal Processing for Recording or Reproducing 2 1 0 2 0 5
399 Electrophotography 2 1 1 0 1 5
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 0 1 2 2 5
418 Rotary Expansible Chamber Devices 1 0 3 0 1 5
454 Ventilation 0 1 2 0 2 5
501 Compositions: Ceramic 3 1 0 1 0 5
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 1 4 0 0 0 5
087 Textiles: Braiding, Netting, and Lace Making 0 0 0 2 2 4
092 Expansible Chamber Devices 1 1 0 1 1 4
100 Presses 1 1 2 0 0 4
162 Paper Making and Fiber Liberation 1 0 1 1 1 4
190 Trunks and Hand-Carried Luggage 1 2 0 0 1 4
234 Selective Cutting (e.g., Punching) 1 0 1 2 0 4
237 Heating Systems 1 1 1 0 1 4
277 Seal for a Joint or Juncture 1 0 1 0 2 4
279 Chucks or Sockets 0 1 1 0 2 4
283 Printed Matter 0 2 0 1 1 4
292 Closure Fasteners 0 2 0 2 0 4
333 Wave Transmission Lines and Networks 1 1 0 0 2 4
336 Inductor Devices 1 1 0 1 1 4
384 Bearings 0 0 1 1 2 4
475 Planetary Gear Transmission Systems or Components 0 0 1 0 3 4
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 0 1 3 4
004 Baths, Closets, Sinks, and Spittoons 0 2 0 1 0 3
014 Bridges 0 0 0 1 2 3
091 Motors: Expansible Chamber Type 0 2 0 1 0 3
104 Railways 0 2 1 0 0 3
112 Sewing 0 0 2 1 0 3
150 Purses, Wallets, and Protective Covers 0 1 1 1 0 3
184 Lubrication 0 1 0 1 1 3
266 Metallurgical Apparatus 0 1 1 1 0 3
281 Books, Strips, and Leaves 1 0 0 0 2 3
355 Photocopying 0 0 1 1 1 3
408 Cutting by Use of Rotating Axially Moving Tool 0 2 0 0 1 3
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 3 0 0 3
492 Roll or Roller 1 0 1 1 0 3
504 Plant Protecting and Regulating Compositions 0 1 0 2 0 3
027 Undertaking 0 0 0 1 1 2
057 Textiles: Spinning, Twisting, and Twining 0 0 2 0 0 2
059 Chain, Staple, and Horseshoe Making 0 1 0 1 0 2
063 Jewelry 0 0 0 1 1 2
068 Textiles: Fluid Treating Apparatus 0 1 1 0 0 2
082 Turning (e.g., for metal working) 1 0 0 1 0 2
086 Ammunition and Explosive-Charge Making 0 0 0 1 1 2
105 Railway Rolling Stock 0 0 1 1 0 2
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 2 0 0 0 2
131 Tobacco 0 1 0 0 1 2
171 Unearthing Plants or Buried Objects 0 0 0 1 1 2
173 Tool Driving or Impacting 0 0 0 1 1 2
193 Conveyors, Chutes, Skids, Guides, and Ways 1 1 0 0 0 2
212 Traversing Hoists 0 1 0 1 0 2
303 Fluid-Pressure and Analogous Brake Systems 2 0 0 0 0 2
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 2 0 0 0 0 2
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 1 1 0 2
450 Foundation Garments 0 0 1 1 0 2
474 Endless Belt Power Transmission Systems or Components 0 0 0 1 1 2
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 1 0 0 0 1 2
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 1 1 0 0 2
007 Compound Hand Tools 1 0 0 0 0 1
028 Textiles: Manufacturing 0 1 0 0 0 1
054 Harness for Working Animal 1 0 0 0 0 1
071 Chemistry: Fertilizers 0 1 0 0 0 1
076 Metal Tools and Implements, Making 1 0 0 0 0 1
139 Textiles: Weaving 1 0 0 0 0 1
185 Motors: Spring, Weight, or Animal Powered 1 0 0 0 0 1
186 Merchandising 1 0 0 0 0 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 0 0 1 1
202 Distillation: Apparatus 0 0 1 0 0 1
225 Severing by Tearing or Breaking 0 0 0 0 1 1
232 Deposit and Collection Receptacles 1 0 0 0 0 1
238 Railways: Surface Track 0 0 1 0 0 1
337 Electricity: Electrothermally or Thermally Actuated Switches 0 1 0 0 0 1
346 Recorders 0 0 0 0 1 1
368 Horology: Time Measuring Systems or Devices 0 1 0 0 0 1
388 Electricity: Motor Control Systems 0 0 0 1 0 1
406 Conveyors: Fluid Current 1 0 0 0 0 1
409 Gear Cutting, Milling, or Planing 0 0 0 0 1 1
419 Powder Metallurgy Processes 0 0 1 0 0 1
432 Heating 0 1 0 0 0 1
449 Bee Culture (propagating, raising, caring for bees) 0 0 0 1 0 1
460 Crop Threshing or Separating 0 1 0 0 0 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 0 1 0 1
494 Imperforate Bowl: Centrifugal Separators 0 1 0 0 0 1
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 1 0 1
588 Hazardous or Toxic Waste Destruction or Containment 0 0 0 0 1 1
ALL ALL CLASSES 3597 3860 3902 4292 4626 20277



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