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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 - 2011 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

Hartford-West Hartford-East Hartford, CT

( 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 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 21 36 39 28 19 15 29 23 26 23 17 26 301
060 Power Plants 21 14 9 12 11 13 22 11 20 24 43 49 249
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 16 18 21 22 24 18 35 12 10 11 11 19 217
416 Fluid Reaction Surfaces (i.e., Impellers) 9 11 6 6 7 12 21 16 15 18 24 24 169
073 Measuring and Testing 7 5 12 10 9 14 19 16 23 19 13 14 161
415 Rotary Kinetic Fluid Motors or Pumps 14 9 11 5 3 8 21 8 11 16 16 33 155
356 Optics: Measuring and Testing 6 5 6 7 16 8 19 17 18 19 9 17 147
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 11 18 27 8 4 3 6 5 8 19 11 16 136
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 7 9 13 19 11 14 15 10 8 6 11 12 135
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 2 3 1 1 3 6 3 6 11 7 30 40 113
385 Optical Waveguides 1 8 11 11 11 12 12 7 13 8 8 6 108
428 Stock Material or Miscellaneous Articles 11 9 4 12 10 10 5 5 4 8 12 16 106
532 Organic Compounds (includes Classes 532-570) 17 11 12 9 3 8 13 7 8 3 4 5 100
123 Internal-Combustion Engines 11 9 16 8 6 11 6 5 2 5 6 5 90
062 Refrigeration 6 4 3 8 9 6 11 11 9 6 5 5 83
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 2 9 6 5 7 10 6 11 13 7 6 82
210 Liquid Purification or Separation 8 3 12 3 8 11 8 4 5 3 6 3 74
029 Metal Working 4 9 4 5 5 7 5 2 4 2 16 6 69
361 Electricity: Electrical Systems and Devices 10 5 8 8 6 3 5 4 2 4 4 8 67
340 Communications: Electrical 6 2 7 4 6 4 9 7 2 8 5 5 65
359 Optical: Systems and Elements 8 5 8 5 3 6 10 1 5 2 10 1 64
700 DP: Generic Control Systems or Specific Applications (Data Processing) 2 4 3 12 5 4 6 4 4 1 5 6 56
427 Coating Processes 9 6 6 6 4 2 1 3 4 0 8 7 56
033 Geometrical Instruments 1 5 7 3 3 3 4 4 5 8 4 3 50
435 Chemistry: Molecular Biology and Microbiology 6 5 3 3 7 4 6 3 3 1 7 2 50
250 Radiant Energy 1 4 11 1 2 1 2 6 5 3 6 7 49
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 8 3 2 5 6 5 2 2 1 2 4 8 48
324 Electricity: Measuring and Testing 3 3 3 10 6 1 3 5 2 1 3 6 46
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 3 10 9 6 6 7 4 0 0 1 0 0 46
604 Surgery (Medicators and Receptors) 2 0 5 5 2 1 2 0 3 5 7 12 44
164 Metal Founding 0 0 0 2 0 4 4 13 4 2 7 7 43
174 Electricity: Conductors and Insulators 1 8 2 1 3 2 6 5 4 5 2 4 43
372 Coherent Light Generators 2 2 4 1 4 4 7 2 2 2 6 7 43
065 Glass Manufacturing 3 6 3 2 13 3 1 0 4 1 3 2 41
439 Electrical Connectors 7 1 4 1 2 5 4 4 1 4 3 5 41
128 Surgery (includes Class 600) 5 3 4 3 2 2 6 3 4 2 3 4 40
277 Seal for a Joint or Juncture 3 8 4 3 2 1 3 2 3 0 4 6 39
362 Illumination 1 4 4 2 6 2 6 3 3 5 2 1 39
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 1 4 1 2 5 2 2 3 7 2 5 4 38
137 Fluid Handling 1 4 5 0 3 5 4 5 1 2 2 5 37
219 Electric Heating 3 4 3 1 3 2 3 7 3 0 4 4 37
095 Gas Separation: Processes 1 2 2 3 3 2 2 6 4 4 5 2 36
376 Induced Nuclear Reactions: Processes, Systems, and Elements 8 11 7 4 2 0 2 0 1 0 1 0 36
165 Heat Exchange 2 3 4 5 2 2 2 3 3 4 2 3 35
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1 0 3 0 1 8 4 5 5 2 3 2 34
244 Aeronautics and Astronautics 2 5 2 2 5 6 1 0 0 2 4 4 33
417 Pumps 3 3 4 3 4 1 5 2 2 2 1 3 33
473 Games Using Tangible Projectile 6 4 7 2 1 4 2 1 0 1 2 3 33
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 3 3 1 4 3 2 3 3 2 6 3 33
148 Metal Treatment 1 1 0 3 1 3 2 4 3 2 9 2 31
198 Conveyors: Power-Driven 2 5 2 3 2 0 2 2 1 6 4 2 31
606 Surgery (instruments) 6 5 4 1 1 2 0 0 0 2 4 6 31
405 Hydraulic and Earth Engineering 1 0 0 3 1 1 1 6 7 2 2 4 28
200 Electricity: Circuit Makers and Breakers 5 4 6 2 1 2 0 0 0 0 5 2 27
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 3 4 4 2 2 2 2 2 0 2 1 26
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 3 6 2 3 5 0 0 0 0 1 3 3 26
030 Cutlery 2 2 3 3 3 2 0 1 1 1 3 4 25
084 Music 0 3 3 1 3 5 3 3 0 1 2 1 25
204 Chemistry: Electrical and Wave Energy 4 1 3 4 4 0 1 1 3 1 2 1 25
083 Cutting 2 5 3 3 2 1 4 1 0 0 2 0 23
096 Gas Separation: Apparatus 2 0 0 1 2 1 1 0 2 8 3 3 23
271 Sheet Feeding or Delivering 2 5 3 6 4 1 1 1 0 0 0 0 23
318 Electricity: Motive Power Systems 7 1 3 1 2 3 1 1 1 1 1 1 23
297 Chairs and Seats 2 1 2 4 3 2 2 1 1 0 2 2 22
451 Abrading 0 3 2 4 0 1 4 1 1 1 2 3 22
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 1 0 1 2 1 1 4 2 4 3 1 1 21
052 Static Structures (e.g., Buildings) 1 0 2 2 2 2 0 1 1 1 2 6 20
118 Coating Apparatus 3 4 3 2 1 1 1 1 1 0 2 1 20
248 Supports (e.g., for holding articles, etc.) 4 3 1 4 1 1 2 0 1 1 2 0 20
222 Dispensing (apparatus and process) 1 2 3 2 1 1 2 0 0 0 2 5 19
227 Elongated-Member-Driving Apparatus 0 0 0 0 1 1 0 0 1 1 4 11 19
239 Fluid Sprinkling, Spraying, and Diffusing 3 0 1 2 0 5 4 0 0 2 1 0 18
310 Electrical Generator or Motor Structure 1 2 1 2 1 1 0 1 2 0 4 3 18
382 Image Analysis 1 1 0 0 2 2 2 0 1 3 1 5 18
438 Semiconductor Device Manufacturing: Process 0 3 0 0 0 1 3 2 1 3 5 0 18
423 Chemistry of Inorganic Compounds 3 1 0 3 0 2 2 2 1 1 1 1 17
436 Chemistry: Analytical and Immunological Testing 2 1 3 0 0 1 1 2 0 0 4 3 17
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 1 1 1 1 0 2 3 1 0 3 2 2 17
024 Buckles, Buttons, Clasps, Etc. 3 2 7 2 0 0 0 1 1 0 0 0 16
040 Card, Picture, or Sign Exhibiting 1 2 1 3 2 1 0 0 2 2 1 1 16
070 Locks 1 3 2 2 0 0 4 2 0 0 1 1 16
228 Metal Fusion Bonding 0 2 1 1 2 2 1 1 3 2 1 0 16
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 2 1 0 1 2 1 4 0 1 2 2 16
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 1 0 2 1 3 1 1 2 3 2 16
002 Apparel 4 2 3 1 0 1 3 0 0 0 0 1 15
049 Movable or Removable Closures 2 0 4 5 2 0 0 1 1 0 0 0 15
102 Ammunition and Explosives 3 1 2 1 0 1 0 1 0 2 1 3 15
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 2 0 2 2 6 1 1 0 0 0 1 15
292 Closure Fasteners 6 1 2 3 1 0 0 0 0 1 0 1 15
363 Electric Power Conversion Systems 6 0 1 0 0 1 2 0 0 3 2 0 15
378 X-Ray or Gamma Ray Systems or Devices 3 1 0 1 2 1 3 2 1 0 1 0 15
042 Firearms 0 3 2 1 1 1 1 0 1 0 2 2 14
110 Furnaces 3 4 1 2 0 1 1 0 0 0 1 1 14
206 Special Receptacle or Package 1 2 0 0 0 0 2 0 0 3 4 2 14
242 Winding, Tensioning, or Guiding 1 2 1 3 3 1 2 1 0 0 0 0 14
347 Incremental Printing of Symbolic Information 1 2 3 2 1 0 0 1 2 0 0 2 14
384 Bearings 1 1 2 2 1 1 3 1 0 1 0 1 14
714 Error Detection/Correction and Fault Detection/Recovery 2 0 1 1 2 1 0 0 2 0 1 4 14
015 Brushing, Scrubbing, and General Cleaning 2 1 1 0 2 0 1 1 3 0 2 0 13
072 Metal Deforming 2 2 0 0 1 1 3 2 0 0 0 2 13
074 Machine Element or Mechanism 2 3 1 1 1 1 1 1 0 1 1 0 13
188 Brakes 3 2 3 0 2 0 0 1 0 0 2 0 13
252 Compositions 1 2 0 0 1 0 0 1 1 1 3 3 13
482 Exercise Devices 3 0 0 1 1 1 1 1 1 0 2 2 13
055 Gas Separation 2 0 0 0 1 0 1 1 2 2 1 2 12
134 Cleaning and Liquid Contact with Solids 0 1 1 0 5 0 1 1 1 1 1 0 12
181 Acoustics 0 1 1 0 0 0 0 3 5 1 0 1 12
224 Package and Article Carriers 3 1 3 1 1 1 0 0 1 0 1 0 12
290 Prime-Mover Dynamo Plants 1 2 0 0 1 0 1 0 0 3 1 3 12
048 Gas: Heating and Illuminating 2 2 0 1 1 1 1 0 1 0 1 1 11
081 Tools 1 3 1 3 0 0 1 1 1 0 0 0 11
251 Valves and Valve Actuation 1 1 0 0 2 1 1 1 1 0 1 2 11
285 Pipe Joints or Couplings 0 2 3 0 0 0 1 0 1 2 1 1 11
336 Inductor Devices 1 1 2 1 1 0 3 0 1 1 0 0 11
409 Gear Cutting, Milling, or Planing 2 2 1 3 1 0 0 0 0 0 1 1 11
463 Amusement Devices: Games 0 2 1 1 2 0 1 2 0 1 0 1 11
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 1 0 0 1 1 0 1 0 0 1 4 2 11
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 0 1 3 0 0 0 0 0 2 2 2 1 11
089 Ordnance 0 1 0 0 0 0 0 0 2 1 2 4 10
208 Mineral Oils: Processes and Products 1 0 2 2 1 0 0 0 1 3 0 0 10
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 8 1 0 0 0 0 0 1 0 0 0 10
313 Electric Lamp and Discharge Devices 0 0 3 1 1 1 0 2 0 0 0 2 10
368 Horology: Time Measuring Systems or Devices 0 1 1 3 2 0 1 1 1 0 0 0 10
374 Thermal Measuring and Testing 0 1 2 1 2 1 1 0 2 0 0 0 10
226 Advancing Material of Indeterminate Length 2 5 0 1 0 0 1 0 0 0 0 0 9
315 Electric Lamp and Discharge Devices: Systems 1 0 2 0 1 1 0 1 1 1 1 0 9
341 Coded Data Generation or Conversion 0 2 0 0 0 2 2 0 1 0 1 1 9
345 Computer Graphics Processing and Selective Visual Display Systems 1 1 1 0 1 1 2 1 1 0 0 0 9
398 Optical Communications 2 0 0 1 0 0 1 0 2 0 1 2 9
414 Material or Article Handling 0 1 1 3 0 1 0 1 0 1 0 1 9
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 3 1 2 1 0 0 0 0 0 0 0 2 9
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 1 0 1 1 0 0 1 0 2 1 1 9
706 DP: Artificial Intelligence (Data Processing) 2 0 0 0 1 1 0 1 2 0 1 1 9
717 DP: Software Development, Installation, and Management (Data Processing) 1 0 1 1 0 0 0 1 1 1 0 3 9
005 Beds 0 0 0 1 1 0 2 0 4 0 0 0 8
043 Fishing, Trapping, and Vermin Destroying 1 0 1 3 0 0 0 0 0 0 1 2 8
122 Liquid Heaters and Vaporizers 3 1 0 0 0 1 0 0 0 1 1 1 8
182 Fire Escape, Ladder, or Scaffold 2 2 0 0 0 0 0 1 1 0 2 0 8
211 Supports: Racks 1 0 2 1 2 1 0 0 0 0 1 0 8
280 Land Vehicles 0 2 1 1 1 0 0 1 0 0 1 1 8
307 Electrical Transmission or Interconnection Systems 1 0 1 0 1 1 1 0 0 2 1 0 8
379 Telephonic Communications 0 0 1 0 1 1 0 0 0 1 2 2 8
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 3 1 1 0 0 0 0 1 1 1 0 0 8
433 Dentistry 0 1 1 4 0 0 1 1 0 0 0 0 8
455 Telecommunications 0 1 0 0 2 0 1 1 0 1 0 2 8
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 1 0 0 1 1 0 0 2 2 0 1 0 8
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 1 0 0 0 2 0 1 1 0 3 8
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 1 1 0 1 0 3 0 0 0 1 1 8
108 Horizontally Supported Planar Surfaces 0 0 0 1 3 2 0 1 0 0 0 0 7
184 Lubrication 0 0 0 0 0 2 0 1 1 0 0 3 7
220 Receptacles 0 1 2 0 0 0 1 0 0 0 0 3 7
323 Electricity: Power Supply or Regulation Systems 1 0 1 0 0 2 1 0 1 1 0 0 7
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 0 0 1 0 1 1 0 1 0 2 1 7
380 Cryptography 0 0 0 1 0 0 0 2 2 0 1 1 7
400 Typewriting Machines 2 1 2 1 0 0 0 1 0 0 0 0 7
403 Joints and Connections 0 0 1 1 0 1 2 1 0 1 0 0 7
418 Rotary Expansible Chamber Devices 1 2 0 1 0 0 0 0 0 0 0 3 7
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 1 1 1 0 1 0 0 1 0 2 0 0 7
602 Surgery: Splint, Brace, or Bandage 1 1 0 1 1 0 1 0 1 1 0 0 7
241 Solid Material Comminution or Disintegration 2 0 0 0 0 1 0 1 1 0 1 0 6
273 Amusement Devices: Games 0 2 0 3 0 0 0 0 0 0 0 1 6
333 Wave Transmission Lines and Networks 1 1 0 0 0 0 0 0 0 2 2 0 6
381 Electrical Audio Signal Processing Systems and Devices 1 2 0 1 1 0 0 0 0 0 1 0 6
408 Cutting by Use of Rotating Axially Moving Tool 0 1 1 0 0 1 1 1 0 1 0 0 6
431 Combustion 1 0 2 1 0 0 1 0 0 0 1 0 6
446 Amusement Devices: Toys 1 1 0 2 1 0 0 1 0 0 0 0 6
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 0 0 1 0 1 1 0 0 1 2 6
004 Baths, Closets, Sinks, and Spittoons 2 1 0 0 0 0 0 1 0 0 0 1 5
016 Miscellaneous Hardware 0 1 1 2 0 0 0 0 0 1 0 0 5
057 Textiles: Spinning, Twisting, and Twining 0 2 1 0 1 0 0 1 0 0 0 0 5
092 Expansible Chamber Devices 0 0 0 1 0 1 0 2 0 1 0 0 5
114 Ships 1 1 0 0 2 0 0 0 0 1 0 0 5
124 Mechanical Guns and Projectors 0 0 0 1 1 0 1 1 0 0 0 1 5
180 Motor Vehicles 0 0 1 0 0 0 0 0 0 0 2 2 5
229 Envelopes, Wrappers, and Paperboard Boxes 2 0 1 0 0 0 0 0 0 1 0 1 5
343 Communications: Radio Wave Antennas 1 1 0 0 1 0 0 0 0 0 1 1 5
366 Agitating (e.g., of articles and materials) 0 0 0 0 0 0 0 0 1 0 0 4 5
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 3 0 0 0 0 0 0 1 0 1 0 5
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 1 0 0 0 0 1 1 0 0 2 0 5
420 Alloys or Metallic Compositions 1 0 0 1 0 2 0 0 1 0 0 0 5
426 Food or Edible Material: Processes, Compositions, and Products 1 0 0 1 2 0 0 0 0 1 0 0 5
434 Education and Demonstration 0 0 0 0 1 0 1 1 0 1 0 1 5
034 Drying and Gas or Vapor Contact with Solids 0 0 1 0 1 1 1 0 0 0 1 0 5
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 0 0 1 0 0 2 0 0 1 1 1 5
053 Package Making 0 2 0 1 0 0 0 1 0 0 0 0 4
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 0 0 1 0 0 0 1 0 1 1 0 4
087 Textiles: Braiding, Netting, and Lace Making 3 0 0 0 1 0 0 0 0 0 0 0 4
106 Compositions: Coating or Plastic 1 0 1 0 2 0 0 0 0 0 0 0 4
119 Animal Husbandry 2 1 0 0 0 0 0 0 0 0 1 0 4
132 Toilet 1 0 1 1 1 0 0 0 0 0 0 0 4
135 Tent, Canopy, Umbrella, or Cane 0 0 0 0 0 0 0 0 0 0 1 3 4
160 Flexible or Portable Closure, Partition, or Panel 1 1 0 1 0 1 0 0 0 0 0 0 4
162 Paper Making and Fiber Liberation 0 0 1 0 0 1 0 0 0 1 0 1 4
216 Etching a Substrate: Processes 0 0 0 0 1 0 0 1 0 0 0 2 4
236 Automatic Temperature and Humidity Regulation 0 0 0 2 1 0 0 0 1 0 0 0 4
296 Land Vehicles: Bodies and Tops 0 1 1 0 0 0 0 0 0 0 1 1 4
348 Television 0 0 0 0 1 0 0 0 0 1 0 2 4
358 Facsimile and Static Presentation Processing 0 1 0 1 0 1 0 0 0 1 0 0 4
440 Marine Propulsion 1 0 1 0 0 0 1 0 0 1 0 0 4
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 2 0 0 0 1 0 0 0 0 0 1 4
475 Planetary Gear Transmission Systems or Components 0 0 0 0 1 0 0 0 0 0 1 2 4
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 2 1 0 0 1 0 0 0 0 0 0 0 4
501 Compositions: Ceramic 0 1 0 1 1 0 0 0 0 0 0 1 4
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 0 0 0 1 1 0 0 0 0 0 2 0 4
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 1 1 0 0 0 0 1 0 0 0 0 4
713 Support (Electrical Computers and Digital Processing Systems) 0 0 1 0 0 0 0 0 1 1 1 0 4
086 Ammunition and Explosive-Charge Making 0 0 1 0 0 1 1 0 0 0 0 0 3
099 Foods and Beverages: Apparatus 1 1 1 0 0 0 0 0 0 0 0 0 3
101 Printing 0 0 1 0 0 0 0 1 1 0 0 0 3
104 Railways 1 1 0 0 0 0 0 0 0 1 0 0 3
136 Batteries: Thermoelectric and Photoelectric 1 0 0 0 1 0 0 0 0 0 0 1 3
138 Pipes and Tubular Conduits 1 1 0 0 0 0 0 0 0 1 0 0 3
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 0 1 0 1 0 0 0 0 0 1 3
175 Boring or Penetrating the Earth 0 0 0 0 0 0 0 1 1 0 1 0 3
192 Clutches and Power-Stop Control 1 0 1 0 0 1 0 0 0 0 0 0 3
215 Bottles and Jars 0 1 1 0 0 0 0 0 0 0 1 0 3
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 0 1 1 0 0 1 0 0 0 0 0 3
269 Work Holders 0 0 1 0 0 1 0 1 0 0 0 0 3
294 Handling: Hand and Hoist-Line Implements 0 0 0 0 0 0 0 0 1 0 0 2 3
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 0 0 1 0 0 0 0 0 0 0 1 1 3
370 Multiplex Communications 0 0 0 0 1 0 1 1 0 0 0 0 3
375 Pulse or Digital Communications 0 0 1 0 1 0 0 0 0 0 0 1 3
392 Electric Resistance Heating Devices 0 0 0 0 0 1 0 0 0 1 0 1 3
401 Coating Implements with Material Supply 0 0 0 0 0 0 1 0 2 0 0 0 3
404 Road Structure, Process, or Apparatus 0 1 0 0 0 0 1 1 0 0 0 0 3
419 Powder Metallurgy Processes 1 0 0 0 2 0 0 0 0 0 0 0 3
432 Heating 0 0 1 1 0 0 0 0 1 0 0 0 3
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 2 1 3
037 Excavating 1 0 1 0 0 0 0 0 0 0 0 0 2
051 Abrasive Tool Making Process, Material, or Composition 0 1 0 0 1 0 0 0 0 0 0 0 2
116 Signals and Indicators 0 1 0 1 0 0 0 0 0 0 0 0 2
126 Stoves and Furnaces 0 0 0 0 0 0 1 0 0 0 1 0 2
172 Earth Working 0 0 0 0 0 0 0 0 0 0 1 1 2
209 Classifying, Separating, and Assorting Solids 0 0 0 0 0 1 1 0 0 0 0 0 2
237 Heating Systems 0 0 0 0 0 0 2 0 0 0 0 0 2
270 Sheet-Material Associating 0 0 1 0 1 0 0 0 0 0 0 0 2
303 Fluid-Pressure and Analogous Brake Systems 0 0 0 0 1 0 0 0 1 0 0 0 2
312 Supports: Cabinet Structure 0 1 0 1 0 0 0 0 0 0 0 0 2
320 Electricity: Battery or Capacitor Charging or Discharging 1 0 0 0 0 0 0 0 0 0 1 0 2
322 Electricity: Single Generator Systems 0 0 0 0 0 0 0 0 0 0 1 1 2
337 Electricity: Electrothermally or Thermally Actuated Switches 1 0 0 0 0 1 0 0 0 0 0 0 2
351 Optics: Eye Examining, Vision Testing and Correcting 1 0 0 0 0 0 0 0 0 0 1 0 2
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 1 1 0 0 0 0 0 0 0 0 2
407 Cutters, for Shaping 0 0 0 0 0 1 0 1 0 0 0 0 2
410 Freight Accommodation On Freight Carrier 0 0 0 0 0 0 0 0 0 2 0 0 2
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 1 0 0 0 0 0 0 0 0 1 0 2
450 Foundation Garments 0 0 1 0 0 0 0 0 0 0 0 1 2
452 Butchering 1 0 0 0 0 0 1 0 0 0 0 0 2
474 Endless Belt Power Transmission Systems or Components 0 0 0 0 0 0 0 0 0 0 2 0 2
601 Surgery: Kinesitherapy 0 0 0 0 0 1 0 0 0 0 0 1 2
726 Information Security 0 0 0 0 1 1 0 0 0 0 0 0 2
007 Compound Hand Tools 0 1 0 0 0 0 0 0 0 0 0 0 1
014 Bridges 1 0 0 0 0 0 0 0 0 0 0 0 1
038 Textiles: Ironing or Smoothing 0 0 0 1 0 0 0 0 0 0 0 0 1
047 Plant Husbandry 1 0 0 0 0 0 0 0 0 0 0 0 1
056 Harvesters 0 1 0 0 0 0 0 0 0 0 0 0 1
068 Textiles: Fluid Treating Apparatus 0 0 0 0 0 0 0 0 1 0 0 0 1
076 Metal Tools and Implements, Making 0 0 0 0 0 0 0 0 0 0 1 0 1
082 Turning (e.g., for metal working) 0 0 0 0 0 0 0 0 0 0 0 1 1
105 Railway Rolling Stock 0 1 0 0 0 0 0 0 0 0 0 0 1
109 Safes, Bank Protection, or a Related Device 0 0 0 0 0 0 0 0 0 0 1 0 1
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 0 0 0 1 0 0 0 0 0 0 1
125 Stone Working 0 1 0 0 0 0 0 0 0 0 0 0 1
131 Tobacco 0 0 0 0 0 0 0 0 0 1 0 0 1
140 Wireworking 0 0 0 1 0 0 0 0 0 0 0 0 1
169 Fire Extinguishers 0 0 0 0 0 1 0 0 0 0 0 0 1
173 Tool Driving or Impacting 0 0 0 0 0 0 1 0 0 0 0 0 1
177 Weighing Scales 0 0 1 0 0 0 0 0 0 0 0 0 1
232 Deposit and Collection Receptacles 0 0 1 0 0 0 0 0 0 0 0 0 1
238 Railways: Surface Track 0 1 0 0 0 0 0 0 0 0 0 0 1
249 Static Molds 0 0 0 0 1 0 0 0 0 0 0 0 1
266 Metallurgical Apparatus 0 0 0 0 0 0 0 1 0 0 0 0 1
283 Printed Matter 1 0 0 0 0 0 0 0 0 0 0 0 1
298 Land Vehicles: Dumping 0 0 0 0 0 0 0 0 0 0 0 1 1
330 Amplifiers 0 0 0 0 0 0 0 0 0 1 0 0 1
346 Recorders 1 0 0 0 0 0 0 0 0 0 0 0 1
360 Dynamic Magnetic Information Storage or Retrieval 0 0 0 0 0 0 0 0 0 0 1 0 1
365 Static Information Storage and Retrieval 0 1 0 0 0 0 0 0 0 0 0 0 1
369 Dynamic Information Storage or Retrieval 0 0 0 0 0 1 0 0 0 0 0 0 1
388 Electricity: Motor Control Systems 0 0 0 1 0 0 0 0 0 0 0 0 1
399 Electrophotography 0 0 0 0 0 1 0 0 0 0 0 0 1
472 Amusement Devices 0 0 1 0 0 0 0 0 0 0 0 0 1
483 Tool Changing 0 0 0 0 0 0 0 0 1 0 0 0 1
492 Roll or Roller 0 1 0 0 0 0 0 0 0 0 0 0 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 0 0 0 0 0 0 1 0 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 0 0 0 1 0 0 0 0 0 0 0 0 1
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 0 0 1 0 0 0 0 0 0 1
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 0 0 0 0 0 0 0 0 0 0 1 0 1
725 Interactive Video Distribution Systems 0 0 0 0 0 0 0 0 0 0 0 1 1
ALL ALL CLASSES 481 515 531 463 435 401 518 391 412 409 557 635 5745


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U.S. Patent and Trademark Office
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P.O Box 1450
Alexandria VA 22313-1450

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fax: (571) 273-0110
email: oeip@uspto.gov

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