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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In U.S. Metropolitan and Micropolitan Areas
Breakout By Technology Class

Count of 2000 - 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

Canton-Massillon, OH

( Metropolitan Statistical Area )

( 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 )
( patent counts may not sum exactly due to rounding - see the Explanation of Data )
( regional areas are based on U.S. Core Based Statistical Area (CBSA) )

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 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Total
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 5 9 6 9 12 10 31 31 44 31 40 63 64 65 26 18 464
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 8 6 7 14 7 10 13 2 3 6 3 7 5 4 6 12 113
015 Brushing, Scrubbing, and General Cleaning 8 7 6 5 3 3 11 12 12 3 6 7 1 3 5 1 93
152 Resilient Tires and Wheels 3 6 19 11 5 5 6 4 3 6 3 2 5 4 6 4 92
280 Land Vehicles 2 6 6 6 5 3 1 3 2 5 7 4 10 6 5 5 76
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1 2 1 4 0 9 6 6 7 15 13 2 3 1 0 1 71
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 3 3 3 1 4 1 1 4 0 3 3 5 3 3 2 2 41
340 Communications: Electrical 1 0 3 2 0 3 1 4 2 4 5 5 3 4 2 1 40
073 Measuring and Testing 5 3 7 9 4 1 2 1 0 2 0 0 2 1 1 0 38
475 Planetary Gear Transmission Systems or Components 1 0 1 1 3 1 9 4 2 1 1 0 3 2 5 3 37
384 Bearings 1 3 3 7 3 0 1 1 1 1 3 1 0 3 3 4 35
072 Metal Deforming 2 2 1 2 2 1 6 4 1 4 5 0 1 0 0 0 31
206 Special Receptacle or Package 1 2 4 6 5 4 1 0 1 1 1 1 0 0 1 1 29
222 Dispensing (apparatus and process) 2 1 1 2 1 0 1 0 1 2 1 3 3 2 3 0 23
220 Receptacles 1 1 1 1 0 0 1 2 1 2 1 2 2 2 1 4 22
428 Stock Material or Miscellaneous Articles 3 1 2 2 1 1 0 3 1 1 3 0 0 2 0 1 21
029 Metal Working 1 0 2 3 2 3 2 0 0 0 0 0 0 1 3 2 19
248 Supports (e.g., for holding articles, etc.) 3 3 4 3 0 2 0 0 1 2 0 1 0 0 0 0 19
052 Static Structures (e.g., Buildings) 0 1 0 1 0 1 0 0 0 0 1 4 4 1 2 3 18
379 Telephonic Communications 0 1 4 3 2 0 0 0 0 0 2 0 3 1 0 2 18
404 Road Structure, Process, or Apparatus 0 0 0 0 0 0 1 1 1 0 0 4 6 2 3 0 18
053 Package Making 0 1 0 2 2 3 1 0 3 1 1 1 1 0 0 0 16
370 Multiplex Communications 0 1 0 0 0 1 0 1 2 3 0 1 2 2 1 1 15
455 Telecommunications 5 2 0 0 0 1 1 1 0 1 1 0 2 0 1 0 15
198 Conveyors: Power-Driven 1 2 2 2 0 1 2 0 2 0 0 0 0 1 1 0 14
250 Radiant Energy 0 1 1 0 0 0 1 2 0 0 0 1 1 2 2 3 14
423 Chemistry of Inorganic Compounds 1 1 0 1 0 1 1 0 0 1 1 2 1 0 3 0 13
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 1 0 1 0 1 1 0 1 1 2 1 1 0 2 1 0 13
070 Locks 1 0 0 0 2 1 0 1 0 4 0 2 1 0 0 0 12
164 Metal Founding 0 0 0 0 0 0 0 0 1 2 0 3 2 1 3 0 12
192 Clutches and Power-Stop Control 0 0 0 0 1 0 0 1 0 0 2 1 3 0 3 1 12
219 Electric Heating 1 0 1 0 0 0 0 1 0 1 1 1 1 2 0 3 12
244 Aeronautics and Astronautics 0 1 0 1 0 0 1 1 1 1 2 1 0 2 1 0 12
252 Compositions 0 1 0 0 0 0 1 0 1 0 1 3 2 0 0 3 12
301 Land Vehicles: Wheels and Axles 2 0 1 1 1 0 0 0 0 2 3 0 0 1 1 0 12
345 Computer Graphics Processing and Selective Visual Display Systems 0 0 0 1 0 3 1 0 1 0 1 0 0 2 1 1 11
482 Exercise Devices 2 3 1 0 0 0 0 0 1 1 0 1 0 0 1 1 11
095 Gas Separation: Processes 1 1 1 0 1 2 0 0 0 0 0 0 0 2 1 1 10
126 Stoves and Furnaces 1 1 0 1 0 0 0 0 0 0 1 0 4 0 1 1 10
148 Metal Treatment 2 4 0 0 0 2 0 0 0 0 1 0 0 0 0 1 10
175 Boring or Penetrating the Earth 0 0 1 0 2 0 0 0 1 2 4 0 0 0 0 0 10
211 Supports: Racks 0 0 1 1 1 1 1 2 2 0 1 0 0 0 0 0 10
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 1 0 1 0 1 1 1 1 0 1 0 1 0 0 2 0 10
414 Material or Article Handling 0 0 1 2 1 2 0 2 0 0 0 0 1 0 0 1 10
431 Combustion 1 0 2 0 0 1 0 0 1 3 0 0 1 0 1 0 10
532 Organic Compounds (includes Classes 532-570) 0 1 1 1 2 0 1 0 1 0 0 0 0 0 1 2 10
310 Electrical Generator or Motor Structure 0 0 0 0 2 1 0 0 1 0 1 2 0 1 1 0 9
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 1 1 0 0 0 0 0 0 1 1 0 1 2 1 1 9
083 Cutting 2 0 0 1 1 0 0 0 1 1 0 0 0 1 1 0 8
110 Furnaces 2 1 0 0 1 0 0 0 1 0 0 1 0 1 0 1 8
138 Pipes and Tubular Conduits 3 1 1 0 0 0 0 0 0 0 1 2 0 0 0 0 8
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 3 2 0 0 1 0 0 0 1 1 0 0 0 0 0 8
297 Chairs and Seats 0 0 0 0 0 1 0 2 1 0 1 1 1 0 1 0 8
318 Electricity: Motive Power Systems 1 0 1 0 1 0 1 2 2 0 0 0 0 0 0 0 8
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 1 0 0 0 0 0 1 0 0 0 0 1 3 2 8
134 Cleaning and Liquid Contact with Solids 1 0 0 1 0 0 0 0 0 0 0 0 0 0 2 3 7
356 Optics: Measuring and Testing 1 0 0 0 1 0 0 1 3 1 0 0 0 0 0 0 7
413 Sheet Metal Container Making 0 1 0 1 2 0 0 0 0 0 0 2 0 0 0 1 7
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 1 1 0 0 0 0 0 0 0 1 0 2 1 1 0 7
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 1 0 0 0 0 3 1 0 0 0 1 1 0 0 0 7
002 Apparel 0 0 1 0 0 0 0 1 0 0 0 1 2 1 0 0 6
049 Movable or Removable Closures 1 1 0 0 1 0 0 0 0 0 0 0 0 1 0 2 6
055 Gas Separation 1 0 1 0 0 0 0 3 0 1 0 0 0 0 0 0 6
215 Bottles and Jars 0 0 0 1 1 0 1 0 0 0 0 1 1 0 1 0 6
239 Fluid Sprinkling, Spraying, and Diffusing 0 0 1 0 2 0 0 0 1 0 0 0 0 1 0 1 6
241 Solid Material Comminution or Disintegration 2 0 0 1 0 1 0 0 0 0 0 1 1 0 0 0 6
427 Coating Processes 1 0 0 1 0 1 2 0 0 1 0 0 0 0 0 0 6
454 Ventilation 0 0 1 0 1 1 0 0 0 2 0 0 0 0 0 1 6
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 1 1 1 0 1 1 0 0 0 0 0 0 0 0 1 0 6
606 Surgery (instruments) 0 1 0 0 0 0 1 0 0 0 1 1 0 0 1 1 6
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 1 0 1 3 0 0 1 0 0 0 0 6
030 Cutlery 0 1 1 0 0 0 1 1 1 0 0 0 0 0 0 0 5
037 Excavating 0 0 1 1 1 0 1 0 0 0 0 0 1 0 0 0 5
060 Power Plants 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 2 5
108 Horizontally Supported Planar Surfaces 1 0 1 0 0 0 0 1 0 0 0 0 1 0 1 0 5
109 Safes, Bank Protection, or a Related Device 2 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 5
119 Animal Husbandry 0 0 2 0 0 0 0 0 0 0 0 1 1 1 0 0 5
137 Fluid Handling 0 1 0 0 1 0 1 0 0 0 0 0 0 0 1 1 5
160 Flexible or Portable Closure, Partition, or Panel 0 0 0 1 0 0 1 0 0 2 0 0 1 0 0 0 5
180 Motor Vehicles 0 0 0 0 0 0 1 1 1 1 0 1 0 0 0 0 5
188 Brakes 0 0 1 1 0 1 0 0 0 1 1 0 0 0 0 0 5
242 Winding, Tensioning, or Guiding 1 0 1 0 0 0 1 0 0 0 0 0 0 1 1 0 5
267 Spring Devices 0 1 1 0 1 0 0 0 0 0 0 0 0 0 1 1 5
271 Sheet Feeding or Delivering 1 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 5
273 Amusement Devices: Games 0 0 0 1 1 0 1 0 0 0 1 0 1 0 0 0 5
294 Handling: Hand and Hoist-Line Implements 0 0 0 0 1 0 0 1 1 0 0 1 1 0 0 0 5
296 Land Vehicles: Bodies and Tops 0 0 0 0 0 0 1 1 0 0 0 0 1 0 1 1 5
375 Pulse or Digital Communications 1 0 0 0 0 1 1 0 2 0 0 0 0 0 0 0 5
406 Conveyors: Fluid Current 0 0 0 1 2 0 1 0 1 0 0 0 0 0 0 0 5
417 Pumps 1 0 1 1 0 0 0 0 0 0 0 0 1 0 0 1 5
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 0 1 4 0 0 0 0 0 0 0 0 0 0 0 0 5
602 Surgery: Splint, Brace, or Bandage 0 0 0 0 0 0 0 0 0 0 1 0 3 0 0 1 5
024 Buckles, Buttons, Clasps, Etc. 0 0 2 0 1 0 0 0 0 0 1 0 0 0 0 0 4
033 Geometrical Instruments 1 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 4
040 Card, Picture, or Sign Exhibiting 0 1 0 0 1 0 0 0 0 0 0 0 1 0 1 0 4
043 Fishing, Trapping, and Vermin Destroying 0 0 0 0 0 0 0 2 0 0 1 1 0 0 0 0 4
106 Compositions: Coating or Plastic 0 0 0 0 1 0 1 0 1 1 0 0 0 0 0 0 4
114 Ships 0 0 0 0 0 0 3 1 0 0 0 0 0 0 0 0 4
116 Signals and Indicators 1 0 0 0 0 0 2 0 0 0 0 0 0 0 1 0 4
132 Toilet 1 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 4
144 Woodworking 0 0 2 0 0 1 0 0 0 0 1 0 0 0 0 0 4
200 Electricity: Circuit Makers and Breakers 0 0 1 0 1 1 0 1 0 0 0 0 0 0 0 0 4
236 Automatic Temperature and Humidity Regulation 0 0 0 0 1 0 1 0 0 0 2 0 0 0 0 0 4
277 Seal for a Joint or Juncture 1 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 4
298 Land Vehicles: Dumping 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 1 4
305 Wheel Substitutes for Land Vehicles 0 0 3 0 0 0 0 0 0 0 0 1 0 0 0 0 4
348 Television 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 1 4
366 Agitating (e.g., of articles and materials) 0 1 1 0 0 0 0 1 0 0 0 1 0 0 0 0 4
426 Food or Edible Material: Processes, Compositions, and Products 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 4
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 1 0 0 0 1 0 0 0 0 0 0 0 2 0 0 0 4
473 Games Using Tangible Projectile 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 1 4
501 Compositions: Ceramic 0 0 0 0 0 0 0 2 0 1 1 0 0 0 0 0 4
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 4
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 1 4
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2 0 4
004 Baths, Closets, Sinks, and Spittoons 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 3
056 Harvesters 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 3
112 Sewing 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 3
122 Liquid Heaters and Vaporizers 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 3
128 Surgery (includes Class 600) 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 3
174 Electricity: Conductors and Insulators 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 3
182 Fire Escape, Ladder, or Scaffold 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 3
186 Merchandising 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 3
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 3
209 Classifying, Separating, and Assorting Solids 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 3
232 Deposit and Collection Receptacles 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 3
303 Fluid-Pressure and Analogous Brake Systems 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 3
312 Supports: Cabinet Structure 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 3
324 Electricity: Measuring and Testing 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 3
349 Liquid Crystal Cells, Elements and Systems 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 3
359 Optical: Systems and Elements 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 3
405 Hydraulic and Earth Engineering 0 0 0 0 0 0 1 0 0 0 0 0 0 2 0 0 3
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 0 0 0 1 0 0 0 0 0 0 0 1 0 1 0 0 3
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 3
005 Beds 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 2
047 Plant Husbandry 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 2
048 Gas: Heating and Illuminating 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 2
051 Abrasive Tool Making Process, Material, or Composition 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 2
057 Textiles: Spinning, Twisting, and Twining 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 2
074 Machine Element or Mechanism 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2
081 Tools 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 2
100 Presses 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 2
104 Railways 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 2
105 Railway Rolling Stock 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
118 Coating Apparatus 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2
123 Internal-Combustion Engines 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 2
135 Tent, Canopy, Umbrella, or Cane 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 2
165 Heat Exchange 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2
181 Acoustics 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 2
208 Mineral Oils: Processes and Products 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 2
221 Article Dispensing 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2
224 Package and Article Carriers 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 2
285 Pipe Joints or Couplings 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 2
299 Mining or In Situ Disintegration of Hard Material 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 2
307 Electrical Transmission or Interconnection Systems 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2
337 Electricity: Electrothermally or Thermally Actuated Switches 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 2
362 Illumination 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2
380 Cryptography 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 2
392 Electric Resistance Heating Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2
407 Cutters, for Shaping 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 2
420 Alloys or Metallic Compositions 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 2
436 Chemistry: Analytical and Immunological Testing 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 2
439 Electrical Connectors 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 2
463 Amusement Devices: Games 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 2
007 Compound Hand Tools 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
027 Undertaking 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
034 Drying and Gas or Vapor Contact with Solids 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
042 Firearms 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
062 Refrigeration 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
082 Turning (e.g., for metal working) 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
084 Music 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
089 Ordnance 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
092 Expansible Chamber Devices 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
096 Gas Separation: Apparatus 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
136 Batteries: Thermoelectric and Photoelectric 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
169 Fire Extinguishers 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
177 Weighing Scales 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
210 Liquid Purification or Separation 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
223 Apparel Apparatus 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
228 Metal Fusion Bonding 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
251 Valves and Valve Actuation 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
261 Gas and Liquid Contact Apparatus 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
279 Chucks or Sockets 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
292 Closure Fasteners 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
295 Railway Wheels and Axles 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
343 Communications: Radio Wave Antennas 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
373 Industrial Electric Heating Furnaces 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
382 Image Analysis 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
383 Flexible Bags 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
385 Optical Waveguides 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
400 Typewriting Machines 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
403 Joints and Connections 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
408 Cutting by Use of Rotating Axially Moving Tool 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
409 Gear Cutting, Milling, or Planing 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
410 Freight Accommodation On Freight Carrier 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
415 Rotary Kinetic Fluid Motors or Pumps 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
418 Rotary Expansible Chamber Devices 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
432 Heating 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
434 Education and Demonstration 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
435 Chemistry: Molecular Biology and Microbiology 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
438 Semiconductor Device Manufacturing: Process 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
451 Abrading 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
474 Endless Belt Power Transmission Systems or Components 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
585 Chemistry of Hydrocarbon Compounds 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
604 Surgery (Medicators and Receptors) 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 108 110 140 136 117 105 141 133 135 135 148 166 178 156 132 121 2161


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U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
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tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/

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