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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

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 2008 2009 2010 2011 2012 Total
607 Surgery: Light, Thermal, and Electrical Application 150 206 349 362 391 1458
128 Surgery (includes Class 600) 77 99 150 206 207 739
707 DP: Database and File Management or Data Structures (Data Processing) 61 77 112 124 144 518
606 Surgery (instruments) 48 65 116 120 139 488
604 Surgery (Medicators and Receptors) 39 57 102 109 138 445
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 56 52 82 68 113 371
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 25 41 61 106 102 335
385 Optical Waveguides 72 67 73 58 58 328
711 Memory (Electrical Computers and Digital Processing Systems) 47 61 49 77 74 308
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 36 49 57 91 73 306
370 Multiplex Communications 53 49 85 71 44 302
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 43 59 72 58 62 294
360 Dynamic Magnetic Information Storage or Retrieval 60 47 57 61 62 287
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 30 32 68 67 87 284
365 Static Information Storage and Retrieval 25 21 51 86 87 270
428 Stock Material or Miscellaneous Articles 50 28 59 48 68 253
073 Measuring and Testing 48 45 50 59 43 245
714 Error Detection/Correction and Fault Detection/Recovery 47 48 54 53 37 239
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 40 33 55 51 41 220
361 Electricity: Electrical Systems and Devices 51 47 40 43 37 218
340 Communications: Electrical 44 40 44 38 38 204
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 28 16 48 48 42 182
435 Chemistry: Molecular Biology and Microbiology 24 24 45 37 35 165
700 DP: Generic Control Systems or Specific Applications (Data Processing) 20 20 35 41 46 162
029 Metal Working 21 32 37 26 35 151
702 DP: Measuring, Calibrating, or Testing (Data Processing) 26 35 24 35 30 150
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 30 26 35 33 25 149
210 Liquid Purification or Separation 17 31 32 39 27 146
439 Electrical Connectors 39 36 27 25 13 140
382 Image Analysis 13 19 21 37 48 138
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 25 21 28 33 26 133
345 Computer Graphics Processing and Selective Visual Display Systems 11 14 22 36 43 126
713 Support (Electrical Computers and Digital Processing Systems) 25 17 24 25 30 121
055 Gas Separation 22 15 17 38 28 120
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 9 15 38 33 25 120
356 Optics: Measuring and Testing 23 18 31 28 18 118
438 Semiconductor Device Manufacturing: Process 23 23 23 27 21 117
426 Food or Edible Material: Processes, Compositions, and Products 20 16 24 23 33 116
324 Electricity: Measuring and Testing 20 27 23 21 18 109
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 13 19 15 30 30 107
052 Static Structures (e.g., Buildings) 13 17 24 27 25 106
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 13 15 21 22 35 106
455 Telecommunications 16 30 18 21 19 104
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 11 15 23 22 31 102
427 Coating Processes 9 17 26 18 31 101
180 Motor Vehicles 13 18 27 19 22 99
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 17 12 27 22 20 98
280 Land Vehicles 16 15 21 24 21 97
717 DP: Software Development, Installation, and Management (Data Processing) 17 11 13 18 33 92
248 Supports (e.g., for holding articles, etc.) 15 15 19 28 14 91
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 10 13 17 23 27 90
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 11 8 24 31 16 90
359 Optical: Systems and Elements 24 16 13 17 18 88
137 Fluid Handling 16 16 18 11 20 81
375 Pulse or Digital Communications 13 15 21 13 18 80
381 Electrical Audio Signal Processing Systems and Devices 10 8 10 16 35 79
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 16 15 15 21 12 79
532 Organic Compounds (includes Classes 532-570) 16 9 21 20 11 77
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 7 12 10 9 32 70
482 Exercise Devices 17 14 18 11 9 69
362 Illumination 20 16 15 11 6 68
206 Special Receptacle or Package 14 12 16 12 12 66
250 Radiant Energy 19 11 13 15 7 65
726 Information Security 5 8 12 13 27 65
174 Electricity: Conductors and Insulators 9 13 13 14 13 62
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 31 13 9 3 2 58
062 Refrigeration 9 4 16 15 11 55
040 Card, Picture, or Sign Exhibiting 8 6 11 15 12 52
219 Electric Heating 9 5 18 11 9 52
436 Chemistry: Analytical and Immunological Testing 5 13 8 14 12 52
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 12 6 12 15 6 51
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 10 8 15 9 9 51
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 7 5 18 13 7 50
119 Animal Husbandry 12 9 6 11 11 49
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 11 16 9 8 5 49
451 Abrading 15 11 9 6 8 49
134 Cleaning and Liquid Contact with Solids 2 8 5 17 16 48
239 Fluid Sprinkling, Spraying, and Diffusing 6 6 17 12 6 47
060 Power Plants 7 8 12 6 10 43
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 5 15 7 9 7 43
398 Optical Communications 4 4 12 12 11 43
015 Brushing, Scrubbing, and General Cleaning 6 6 12 10 8 42
211 Supports: Racks 3 4 8 13 14 42
348 Television 7 6 4 7 17 41
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 5 7 7 8 9 36
601 Surgery: Kinesitherapy 6 6 7 6 10 35
043 Fishing, Trapping, and Vermin Destroying 3 9 11 5 5 33
095 Gas Separation: Processes 7 3 10 7 6 33
198 Conveyors: Power-Driven 7 8 5 6 7 33
252 Compositions 6 8 5 4 10 33
473 Games Using Tangible Projectile 9 3 7 6 8 33
005 Beds 4 8 6 9 5 32
053 Package Making 9 5 6 7 5 32
172 Earth Working 5 9 9 6 3 32
220 Receptacles 3 8 4 10 7 32
296 Land Vehicles: Bodies and Tops 6 4 9 4 9 32
051 Abrasive Tool Making Process, Material, or Composition 4 12 0 9 6 31
056 Harvesters 8 6 8 1 8 31
349 Liquid Crystal Cells, Elements and Systems 5 2 8 10 6 31
222 Dispensing (apparatus and process) 5 2 6 8 9 30
404 Road Structure, Process, or Apparatus 6 5 8 6 5 30
326 Electronic Digital Logic Circuitry 11 4 7 3 4 29
414 Material or Article Handling 10 6 5 5 3 29
417 Pumps 1 7 7 7 7 29
602 Surgery: Splint, Brace, or Bandage 7 6 5 7 4 29
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 7 5 6 6 5 29
236 Automatic Temperature and Humidity Regulation 1 4 11 8 4 28
706 DP: Artificial Intelligence (Data Processing) 7 5 5 4 7 28
307 Electrical Transmission or Interconnection Systems 4 6 6 7 4 27
405 Hydraulic and Earth Engineering 8 6 6 3 4 27
114 Ships 9 6 2 3 6 26
123 Internal-Combustion Engines 5 3 4 8 6 26
297 Chairs and Seats 8 7 3 4 4 26
310 Electrical Generator or Motor Structure 2 8 4 9 3 26
331 Oscillators 7 7 5 3 4 26
380 Cryptography 4 3 4 8 7 26
118 Coating Apparatus 3 5 7 4 6 25
358 Facsimile and Static Presentation Processing 6 5 5 6 3 25
033 Geometrical Instruments 6 8 1 7 2 24
072 Metal Deforming 3 1 7 10 3 24
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 2 5 8 7 24
294 Handling: Hand and Hoist-Line Implements 6 1 7 5 5 24
379 Telephonic Communications 8 6 4 5 1 24
244 Aeronautics and Astronautics 3 3 3 7 7 23
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 6 4 7 3 3 23
002 Apparel 2 0 8 6 6 22
037 Excavating 2 7 6 5 2 22
273 Amusement Devices: Games 5 6 3 4 4 22
084 Music 1 7 3 5 5 21
181 Acoustics 1 6 4 5 5 21
254 Implements or Apparatus for Applying Pushing or Pulling Force 2 6 4 6 3 21
318 Electricity: Motive Power Systems 3 5 6 5 2 21
396 Photography 2 3 4 6 6 21
463 Amusement Devices: Games 3 3 3 5 7 21
708 Arithmetic Processing and Calculating (Electrical Computers) 2 4 4 1 10 21
096 Gas Separation: Apparatus 3 3 5 5 4 20
366 Agitating (e.g., of articles and materials) 6 1 4 5 4 20
369 Dynamic Information Storage or Retrieval 5 1 2 4 8 20
433 Dentistry 4 4 7 3 2 20
229 Envelopes, Wrappers, and Paperboard Boxes 2 5 5 4 3 19
241 Solid Material Comminution or Disintegration 2 3 3 9 2 19
374 Thermal Measuring and Testing 3 1 4 1 10 19
024 Buckles, Buttons, Clasps, Etc. 2 2 7 2 5 18
341 Coded Data Generation or Conversion 4 6 4 2 2 18
290 Prime-Mover Dynamo Plants 1 4 6 5 1 17
049 Movable or Removable Closures 2 1 7 1 5 16
101 Printing 3 7 2 2 2 16
285 Pipe Joints or Couplings 5 3 4 1 3 16
343 Communications: Radio Wave Antennas 6 2 3 3 2 16
347 Incremental Printing of Symbolic Information 6 1 1 4 4 16
074 Machine Element or Mechanism 2 2 4 1 6 15
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 2 2 3 3 5 15
106 Compositions: Coating or Plastic 3 5 3 3 1 15
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 2 1 8 0 4 15
204 Chemistry: Electrical and Wave Energy 3 1 4 1 6 15
251 Valves and Valve Actuation 4 0 5 3 3 15
330 Amplifiers 5 1 2 6 1 15
353 Optics: Image Projectors 3 3 4 2 3 15
401 Coating Implements with Material Supply 3 3 5 1 3 15
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 2 2 6 5 0 15
126 Stoves and Furnaces 3 2 4 4 1 14
135 Tent, Canopy, Umbrella, or Cane 0 2 2 6 4 14
165 Heat Exchange 3 2 0 4 5 14
192 Clutches and Power-Stop Control 1 3 3 4 3 14
315 Electric Lamp and Discharge Devices: Systems 0 1 2 7 4 14
725 Interactive Video Distribution Systems 2 3 4 3 2 14
036 Boots, Shoes, and Leggings 2 1 7 1 2 13
216 Etching a Substrate: Processes 5 2 0 2 4 13
242 Winding, Tensioning, or Guiding 2 2 3 4 2 13
372 Coherent Light Generators 5 1 3 0 4 13
434 Education and Demonstration 3 3 1 3 3 13
047 Plant Husbandry 0 2 1 5 4 12
102 Ammunition and Explosives 4 3 3 0 2 12
144 Woodworking 3 2 3 3 1 12
256 Fences 3 1 3 2 3 12
351 Optics: Eye Examining, Vision Testing and Correcting 4 3 3 0 2 12
431 Combustion 2 2 2 3 3 12
440 Marine Propulsion 2 4 2 2 2 12
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 3 0 3 2 3 11
030 Cutlery 0 0 0 6 5 11
034 Drying and Gas or Vapor Contact with Solids 3 0 1 5 2 11
042 Firearms 1 3 2 3 2 11
083 Cutting 0 1 2 3 5 11
209 Classifying, Separating, and Assorting Solids 2 2 0 4 3 11
313 Electric Lamp and Discharge Devices 3 1 0 4 3 11
320 Electricity: Battery or Capacitor Charging or Discharging 0 3 0 4 4 11
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 1 3 4 3 11
124 Mechanical Guns and Projectors 1 2 3 3 1 10
132 Toilet 4 3 0 3 0 10
138 Pipes and Tubular Conduits 2 2 1 3 2 10
169 Fire Extinguishers 4 2 1 1 2 10
261 Gas and Liquid Contact Apparatus 0 1 4 2 3 10
501 Compositions: Ceramic 1 5 3 1 0 10
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 2 2 3 1 2 10
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 0 1 4 3 1 9
089 Ordnance 1 3 1 2 2 9
221 Article Dispensing 2 2 1 3 1 9
323 Electricity: Power Supply or Regulation Systems 3 0 0 2 4 9
403 Joints and Connections 0 2 2 3 2 9
423 Chemistry of Inorganic Compounds 2 1 1 0 5 9
452 Butchering 3 1 2 2 1 9
065 Glass Manufacturing 0 2 0 4 2 8
100 Presses 3 1 1 1 2 8
125 Stone Working 1 0 0 3 4 8
175 Boring or Penetrating the Earth 1 0 4 2 1 8
182 Fire Escape, Ladder, or Scaffold 2 0 0 3 3 8
188 Brakes 2 1 3 0 2 8
200 Electricity: Circuit Makers and Breakers 0 3 0 5 0 8
271 Sheet Feeding or Delivering 2 1 3 1 1 8
312 Supports: Cabinet Structure 1 0 1 2 4 8
363 Electric Power Conversion Systems 1 0 3 3 1 8
383 Flexible Bags 1 1 1 1 4 8
392 Electric Resistance Heating Devices 1 2 3 1 1 8
415 Rotary Kinetic Fluid Motors or Pumps 2 0 1 3 2 8
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 1 2 1 4 0 8
099 Foods and Beverages: Apparatus 1 1 3 1 1 7
148 Metal Treatment 2 0 1 2 2 7
227 Elongated-Member-Driving Apparatus 0 0 3 3 1 7
269 Work Holders 1 0 0 4 2 7
298 Land Vehicles: Dumping 1 1 2 1 2 7
378 X-Ray or Gamma Ray Systems or Devices 1 0 3 3 0 7
400 Typewriting Machines 3 0 2 2 0 7
446 Amusement Devices: Toys 1 2 1 3 0 7
092 Expansible Chamber Devices 4 0 1 1 0 6
104 Railways 3 0 0 2 1 6
160 Flexible or Portable Closure, Partition, or Panel 0 0 2 2 2 6
164 Metal Founding 0 1 3 1 1 6
177 Weighing Scales 3 0 2 1 0 6
249 Static Molds 0 1 2 1 2 6
292 Closure Fasteners 3 1 0 2 0 6
399 Electrophotography 2 0 2 1 1 6
441 Buoys, Rafts, and Aquatic Devices 0 0 3 0 3 6
720 Dynamic Optical Information Storage or Retrieval 2 0 3 0 1 6
070 Locks 3 2 0 0 0 5
110 Furnaces 0 0 1 2 2 5
116 Signals and Indicators 0 1 3 1 0 5
122 Liquid Heaters and Vaporizers 2 1 1 0 1 5
127 Sugar, Starch, and Carbohydrates 0 0 3 1 1 5
149 Explosive and Thermic Compositions or Charges 0 0 0 1 4 5
193 Conveyors, Chutes, Skids, Guides, and Ways 0 3 1 1 0 5
215 Bottles and Jars 1 0 1 2 1 5
223 Apparel Apparatus 0 0 3 1 1 5
224 Package and Article Carriers 0 0 1 3 1 5
228 Metal Fusion Bonding 0 1 3 0 1 5
305 Wheel Substitutes for Land Vehicles 0 0 2 2 1 5
322 Electricity: Single Generator Systems 0 2 0 3 0 5
333 Wave Transmission Lines and Networks 2 1 1 1 0 5
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 3 0 2 0 0 5
338 Electrical Resistors 0 0 2 1 2 5
355 Photocopying 2 2 0 0 1 5
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 1 3 0 0 5
386 Motion Video Signal Processing for Recording or Reproducing 0 2 2 1 0 5
410 Freight Accommodation On Freight Carrier 0 0 2 2 1 5
418 Rotary Expansible Chamber Devices 0 1 1 0 3 5
420 Alloys or Metallic Compositions 1 1 1 1 1 5
454 Ventilation 0 2 0 1 2 5
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 0 2 2 1 5
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 1 1 0 3 5
004 Baths, Closets, Sinks, and Spittoons 1 1 0 2 0 4
108 Horizontally Supported Planar Surfaces 0 0 1 1 2 4
111 Planting 2 1 0 0 1 4
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 2 0 0 2 0 4
152 Resilient Tires and Wheels 0 0 1 2 1 4
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 1 0 1 0 2 4
246 Railway Switches and Signals 0 1 0 1 2 4
283 Printed Matter 0 2 0 2 0 4
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 0 0 3 1 4
472 Amusement Devices 1 0 0 2 1 4
475 Planetary Gear Transmission Systems or Components 2 1 0 0 1 4
048 Gas: Heating and Illuminating 1 0 0 0 2 3
081 Tools 0 0 2 0 1 3
091 Motors: Expansible Chamber Type 0 1 0 2 0 3
136 Batteries: Thermoelectric and Photoelectric 1 0 0 0 2 3
150 Purses, Wallets, and Protective Covers 1 0 0 1 1 3
162 Paper Making and Fiber Liberation 1 0 1 0 1 3
190 Trunks and Hand-Carried Luggage 0 0 1 2 0 3
237 Heating Systems 0 0 1 1 1 3
266 Metallurgical Apparatus 0 1 0 1 1 3
267 Spring Devices 0 0 1 1 1 3
277 Seal for a Joint or Juncture 1 0 1 0 1 3
281 Books, Strips, and Leaves 2 0 1 0 0 3
303 Fluid-Pressure and Analogous Brake Systems 0 1 2 0 0 3
336 Inductor Devices 0 1 1 1 0 3
384 Bearings 0 2 0 0 1 3
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 0 3 3
044 Fuel and Related Compositions 0 0 1 0 1 2
057 Textiles: Spinning, Twisting, and Twining 0 0 0 0 2 2
068 Textiles: Fluid Treating Apparatus 0 0 0 1 1 2
071 Chemistry: Fertilizers 1 0 0 1 0 2
112 Sewing 0 0 0 0 2 2
139 Textiles: Weaving 0 1 1 0 0 2
232 Deposit and Collection Receptacles 1 0 1 0 0 2
234 Selective Cutting (e.g., Punching) 0 0 1 0 1 2
279 Chucks or Sockets 0 0 0 1 1 2
299 Mining or In Situ Disintegration of Hard Material 0 0 1 1 0 2
301 Land Vehicles: Wheels and Axles 0 0 2 0 0 2
368 Horology: Time Measuring Systems or Devices 0 1 0 1 0 2
408 Cutting by Use of Rotating Axially Moving Tool 0 0 0 2 0 2
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 1 0 0 1 2
419 Powder Metallurgy Processes 0 1 0 0 1 2
474 Endless Belt Power Transmission Systems or Components 1 1 0 0 0 2
477 Interrelated Power Delivery Controls, Including Engine Control 2 0 0 0 0 2
492 Roll or Roller 0 0 1 0 1 2
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 1 0 0 0 2
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 1 0 1 0 0 2
585 Chemistry of Hydrocarbon Compounds 0 0 1 1 0 2
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 0 0 1 1 2
007 Compound Hand Tools 0 0 1 0 0 1
027 Undertaking 0 1 0 0 0 1
028 Textiles: Manufacturing 0 0 0 1 0 1
054 Harness for Working Animal 0 0 1 0 0 1
059 Chain, Staple, and Horseshoe Making 0 0 0 1 0 1
063 Jewelry 0 1 0 0 0 1
076 Metal Tools and Implements, Making 0 0 1 0 0 1
082 Turning (e.g., for metal working) 0 0 1 0 0 1
086 Ammunition and Explosive-Charge Making 1 0 0 0 0 1
105 Railway Rolling Stock 0 0 0 0 1 1
131 Tobacco 0 0 0 1 0 1
140 Wireworking 1 0 0 0 0 1
184 Lubrication 0 0 0 1 0 1
185 Motors: Spring, Weight, or Animal Powered 0 0 1 0 0 1
186 Merchandising 0 0 1 0 0 1
194 Check-Actuated Control Mechanisms 0 1 0 0 0 1
202 Distillation: Apparatus 0 0 0 0 1 1
212 Traversing Hoists 0 0 0 1 0 1
225 Severing by Tearing or Breaking 1 0 0 0 0 1
238 Railways: Surface Track 0 0 0 0 1 1
332 Modulators 0 1 0 0 0 1
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 0 1 0 1
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 0 0 1 1
406 Conveyors: Fluid Current 0 0 1 0 0 1
407 Cutters, for Shaping 1 0 0 0 0 1
432 Heating 0 0 0 1 0 1
450 Foundation Garments 0 0 0 0 1 1
460 Crop Threshing or Separating 0 0 0 1 0 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 1 0 0 0 0 1
494 Imperforate Bowl: Centrifugal Separators 0 0 0 1 0 1
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 1 0 0 0 0 1
504 Plant Protecting and Regulating Compositions 0 0 0 1 0 1
ALL ALL CLASSES 2535 2625 3597 3860 3902 16519


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