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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

Washington-Arlington-Alexandria, DC-VA-MD-WV

( 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) 124 133 111 152 99 91 116 92 95 109 128 126 1376
435 Chemistry: Molecular Biology and Microbiology 111 114 165 123 125 114 115 71 63 68 94 76 1239
370 Multiplex Communications 32 30 38 38 41 48 58 50 56 65 96 124 677
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 34 20 19 22 13 19 54 30 54 69 150 139 623
455 Telecommunications 29 38 24 27 23 36 54 53 49 56 80 112 581
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 22 19 24 19 20 16 38 54 54 54 91 87 499
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 19 15 23 33 18 26 49 58 54 31 27 26 379
707 DP: Database and File Management or Data Structures (Data Processing) 6 9 17 19 32 19 30 33 34 34 56 55 345
340 Communications: Electrical 19 21 13 12 16 28 43 24 34 42 25 29 307
532 Organic Compounds (includes Classes 532-570) 11 16 23 20 39 17 24 23 26 26 30 36 292
382 Image Analysis 8 13 9 20 14 11 22 23 40 37 52 30 280
379 Telephonic Communications 23 27 24 22 35 24 30 23 13 15 16 20 273
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 22 18 26 18 20 13 21 22 20 21 26 35 262
375 Pulse or Digital Communications 16 16 20 18 23 25 20 28 32 25 16 21 261
713 Support (Electrical Computers and Digital Processing Systems) 4 7 6 9 10 18 42 18 20 25 24 28 211
250 Radiant Energy 17 14 15 16 15 14 19 12 21 19 20 17 200
128 Surgery (includes Class 600) 22 20 17 24 12 18 15 9 10 11 16 15 190
356 Optics: Measuring and Testing 20 6 9 14 9 17 6 16 16 12 16 27 168
702 DP: Measuring, Calibrating, or Testing (Data Processing) 9 9 7 13 18 13 20 7 17 11 18 22 164
726 Information Security 4 3 5 1 4 6 12 16 14 24 33 39 161
385 Optical Waveguides 11 17 14 16 17 17 13 19 11 6 11 6 159
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 11 9 4 8 8 8 15 13 15 16 28 18 154
438 Semiconductor Device Manufacturing: Process 13 8 10 18 13 9 6 10 10 9 22 19 147
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 9 12 17 12 21 5 9 8 13 11 14 14 145
436 Chemistry: Analytical and Immunological Testing 7 10 17 9 17 5 9 5 11 8 23 13 135
073 Measuring and Testing 12 21 16 17 11 6 14 11 6 6 5 7 133
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 7 7 12 13 11 9 11 9 10 15 8 19 131
714 Error Detection/Correction and Fault Detection/Recovery 5 10 7 8 8 13 9 9 14 14 16 17 131
324 Electricity: Measuring and Testing 9 11 8 11 14 11 19 11 6 4 8 14 127
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 7 4 9 14 9 7 14 15 12 12 9 10 122
345 Computer Graphics Processing and Selective Visual Display Systems 8 10 9 5 12 9 10 17 7 13 8 11 119
359 Optical: Systems and Elements 10 11 17 8 9 9 11 12 5 5 10 7 114
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 5 11 8 9 10 5 5 8 10 8 12 11 102
102 Ammunition and Explosives 6 14 13 9 5 7 5 2 7 11 12 11 102
706 DP: Artificial Intelligence (Data Processing) 3 5 4 8 4 3 8 6 12 12 15 21 101
380 Cryptography 15 11 8 8 3 10 16 8 3 6 7 5 100
244 Aeronautics and Astronautics 12 9 14 8 9 9 6 9 2 6 3 7 95
348 Television 10 15 16 5 7 2 4 4 6 7 6 11 93
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 6 10 6 7 7 5 4 6 8 5 13 15 93
428 Stock Material or Miscellaneous Articles 6 13 9 8 3 7 3 8 6 7 9 10 90
210 Liquid Purification or Separation 2 13 7 6 11 9 9 7 7 4 7 6 88
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 2 6 9 3 6 3 14 13 10 4 8 8 86
700 DP: Generic Control Systems or Specific Applications (Data Processing) 6 5 7 9 5 9 4 3 7 6 10 8 80
365 Static Information Storage and Retrieval 5 17 6 3 5 11 7 7 5 2 1 9 78
606 Surgery (instruments) 8 2 8 6 7 8 7 4 4 5 5 11 75
398 Optical Communications 4 4 4 3 3 3 10 6 10 6 7 13 74
310 Electrical Generator or Motor Structure 8 6 6 2 15 10 4 2 2 4 8 7 74
725 Interactive Video Distribution Systems 3 1 5 3 4 3 4 10 6 12 11 10 72
343 Communications: Radio Wave Antennas 4 5 12 4 1 7 5 3 7 5 8 7 70
362 Illumination 3 6 6 5 4 3 9 4 5 9 5 10 69
604 Surgery (Medicators and Receptors) 7 7 5 11 4 6 3 3 2 5 8 8 69
434 Education and Demonstration 7 6 5 7 14 9 3 3 5 2 6 2 69
060 Power Plants 4 6 10 3 10 8 6 5 2 7 6 1 68
482 Exercise Devices 10 11 8 6 3 1 4 4 3 2 8 8 68
114 Ships 6 8 8 13 5 4 5 1 4 3 3 6 66
002 Apparel 4 8 7 2 5 2 6 4 5 7 9 6 65
052 Static Structures (e.g., Buildings) 9 15 7 2 4 4 2 2 2 4 8 5 64
089 Ordnance 1 7 8 5 2 3 3 1 6 5 12 9 62
361 Electricity: Electrical Systems and Devices 1 4 7 5 2 8 2 3 5 9 10 5 61
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 2 2 2 6 9 9 7 6 6 5 6 60
280 Land Vehicles 9 4 8 3 0 2 8 4 7 4 6 4 59
427 Coating Processes 4 5 3 8 10 2 5 2 3 6 7 3 58
204 Chemistry: Electrical and Wave Energy 5 4 12 5 6 5 4 2 1 5 3 4 56
473 Games Using Tangible Projectile 9 1 4 6 4 5 3 2 3 3 9 7 56
248 Supports (e.g., for holding articles, etc.) 8 6 6 4 5 4 3 6 4 2 4 4 56
149 Explosive and Thermic Compositions or Charges 10 6 7 4 5 3 2 1 1 2 6 4 51
033 Geometrical Instruments 5 6 3 3 3 2 3 10 4 4 5 2 50
717 DP: Software Development, Installation, and Management (Data Processing) 5 0 2 1 3 2 4 2 5 5 5 10 44
036 Boots, Shoes, and Leggings 3 3 3 6 9 4 5 6 2 1 0 2 44
372 Coherent Light Generators 4 4 3 4 3 5 3 3 2 3 3 6 43
273 Amusement Devices: Games 6 7 6 3 1 2 2 3 2 2 6 3 43
056 Harvesters 5 6 7 6 3 5 0 2 3 1 3 1 42
315 Electric Lamp and Discharge Devices: Systems 5 7 7 9 3 4 1 2 0 1 0 2 41
119 Animal Husbandry 3 3 3 4 3 5 4 2 2 2 5 5 41
423 Chemistry of Inorganic Compounds 2 2 3 4 0 2 2 5 1 3 14 2 40
367 Communications, Electrical: Acoustic Wave Systems and Devices 5 2 2 4 3 1 0 7 3 2 4 6 40
029 Metal Working 3 9 2 2 4 2 3 3 1 2 2 6 39
378 X-Ray or Gamma Ray Systems or Devices 2 8 3 1 2 3 2 3 4 1 5 4 38
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 1 4 2 1 2 2 6 2 1 5 6 6 38
333 Wave Transmission Lines and Networks 2 0 3 4 1 2 4 6 4 5 4 3 38
206 Special Receptacle or Package 6 3 4 1 2 4 1 0 4 4 3 5 37
463 Amusement Devices: Games 5 1 3 1 0 1 1 2 3 4 8 8 37
005 Beds 5 5 3 2 5 1 2 3 2 4 4 1 37
042 Firearms 1 5 5 3 2 0 3 3 2 2 5 6 37
165 Heat Exchange 0 3 4 1 4 4 8 6 1 2 3 1 37
607 Surgery: Light, Thermal, and Electrical Application 0 1 1 3 4 5 1 6 3 3 4 4 35
297 Chairs and Seats 3 2 3 5 2 3 5 2 0 4 5 1 35
307 Electrical Transmission or Interconnection Systems 6 3 3 3 2 1 0 2 3 2 3 7 35
180 Motor Vehicles 2 3 5 2 1 1 1 3 3 8 2 4 35
004 Baths, Closets, Sinks, and Spittoons 0 4 5 5 4 3 4 0 3 0 2 5 35
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 4 2 2 3 1 1 2 1 2 6 7 3 34
252 Compositions 4 5 4 2 2 3 2 2 1 1 5 1 33
062 Refrigeration 6 2 2 1 3 3 4 1 1 5 1 3 32
405 Hydraulic and Earth Engineering 4 2 3 3 3 1 7 2 0 1 5 1 32
381 Electrical Audio Signal Processing Systems and Devices 3 1 4 2 4 3 4 0 4 1 3 3 32
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 2 1 4 1 5 6 2 4 2 4 32
426 Food or Edible Material: Processes, Compositions, and Products 10 9 6 3 1 0 1 0 0 0 0 1 32
313 Electric Lamp and Discharge Devices 6 6 3 3 3 1 1 4 1 0 2 1 31
220 Receptacles 4 5 3 2 1 4 2 2 2 1 4 0 30
433 Dentistry 1 7 4 1 1 2 2 3 4 1 3 1 30
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 3 2 1 7 2 3 1 3 2 4 2 0 30
118 Coating Apparatus 3 0 5 3 5 0 2 4 3 2 2 1 30
358 Facsimile and Static Presentation Processing 1 1 2 2 3 1 3 3 3 3 1 6 29
134 Cleaning and Liquid Contact with Solids 4 2 1 3 5 2 1 1 2 2 4 2 29
585 Chemistry of Hydrocarbon Compounds 0 1 0 1 1 2 3 2 1 3 10 5 29
222 Dispensing (apparatus and process) 3 5 2 4 3 1 3 1 1 1 2 1 27
219 Electric Heating 3 4 2 3 4 2 2 2 0 3 0 2 27
135 Tent, Canopy, Umbrella, or Cane 5 3 1 2 3 2 0 1 1 4 3 2 27
015 Brushing, Scrubbing, and General Cleaning 0 4 1 0 3 1 2 2 2 3 6 3 27
239 Fluid Sprinkling, Spraying, and Diffusing 4 4 4 1 3 3 3 0 2 0 1 1 26
440 Marine Propulsion 1 3 4 3 1 4 3 0 2 1 2 2 26
318 Electricity: Motive Power Systems 2 0 1 3 6 5 0 4 2 1 1 1 26
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 1 3 0 3 1 1 5 3 3 1 1 3 25
211 Supports: Racks 1 9 1 4 3 1 0 1 0 1 2 2 25
296 Land Vehicles: Bodies and Tops 2 0 1 2 4 1 6 4 2 0 0 3 25
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 0 1 1 4 1 0 2 4 2 4 4 24
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 5 2 2 6 3 2 1 1 0 2 0 0 24
446 Amusement Devices: Toys 1 2 6 5 3 1 0 0 1 0 3 1 23
326 Electronic Digital Logic Circuitry 1 2 1 1 2 2 1 1 6 3 1 2 23
410 Freight Accommodation On Freight Carrier 1 3 0 2 2 3 3 2 2 1 3 0 22
040 Card, Picture, or Sign Exhibiting 1 0 1 3 2 1 3 2 1 3 0 5 22
209 Classifying, Separating, and Assorting Solids 1 0 2 0 1 2 3 3 6 2 2 0 22
084 Music 3 2 0 1 1 2 0 1 2 5 2 2 22
351 Optics: Eye Examining, Vision Testing and Correcting 1 1 0 4 2 0 1 1 2 4 3 2 21
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 4 2 1 2 0 1 1 1 1 2 2 4 21
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 2 1 3 1 5 2 2 1 0 0 1 2 21
330 Amplifiers 2 1 1 2 4 1 2 1 5 0 1 0 20
174 Electricity: Conductors and Insulators 4 2 4 1 3 1 2 0 0 0 2 1 20
208 Mineral Oils: Processes and Products 4 0 0 4 0 0 0 2 4 1 4 1 20
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 1 1 1 2 2 0 2 1 5 2 2 19
588 Hazardous or Toxic Waste Destruction or Containment 1 3 0 1 3 1 0 0 0 4 4 2 19
123 Internal-Combustion Engines 2 5 2 1 1 1 1 1 3 0 1 1 19
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 4 0 2 0 0 3 0 2 3 2 2 1 19
095 Gas Separation: Processes 0 0 2 0 3 3 1 0 0 2 4 3 18
198 Conveyors: Power-Driven 2 2 2 1 0 0 0 1 1 3 2 3 17
024 Buckles, Buttons, Clasps, Etc. 0 6 4 3 0 0 1 1 0 0 2 0 17
439 Electrical Connectors 1 4 2 0 0 0 3 1 1 3 0 2 17
368 Horology: Time Measuring Systems or Devices 1 1 2 1 4 1 0 1 2 1 0 3 17
501 Compositions: Ceramic 2 4 1 2 2 0 0 1 1 2 1 1 17
708 Arithmetic Processing and Calculating (Electrical Computers) 2 1 0 1 1 3 2 3 0 1 0 3 17
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 2 1 1 1 1 0 1 1 1 2 3 3 17
224 Package and Article Carriers 4 4 2 1 1 0 0 2 1 0 1 0 16
355 Photocopying 2 0 1 3 1 3 2 2 0 0 1 1 16
137 Fluid Handling 3 2 3 1 2 3 1 1 0 0 0 0 16
181 Acoustics 3 0 2 2 1 0 1 1 3 0 1 1 15
182 Fire Escape, Ladder, or Scaffold 4 1 0 1 2 2 1 0 0 0 1 3 15
065 Glass Manufacturing 4 3 1 1 0 0 0 1 1 2 1 1 15
043 Fishing, Trapping, and Vermin Destroying 0 1 2 1 3 1 1 0 1 1 2 2 15
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 0 1 1 0 2 2 1 0 0 4 2 2 15
106 Compositions: Coating or Plastic 0 1 2 0 2 2 2 1 0 2 1 2 15
132 Toilet 3 2 0 4 1 0 2 0 1 0 0 2 15
396 Photography 2 1 3 1 1 0 0 0 1 0 2 4 15
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 0 2 0 4 1 2 1 2 0 1 1 15
416 Fluid Reaction Surfaces (i.e., Impellers) 0 2 1 3 0 1 0 1 3 0 3 1 15
401 Coating Implements with Material Supply 2 1 1 0 3 1 3 1 0 0 2 1 15
417 Pumps 6 4 1 0 0 0 0 0 0 2 1 1 15
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 1 3 1 2 3 2 0 0 1 0 1 0 14
034 Drying and Gas or Vapor Contact with Solids 3 1 3 0 4 1 1 1 0 0 0 0 14
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 1 3 0 2 2 1 0 0 1 1 1 2 14
099 Foods and Beverages: Apparatus 0 0 5 4 0 0 1 1 1 1 0 1 14
126 Stoves and Furnaces 0 5 3 0 0 0 2 0 0 0 3 1 14
374 Thermal Measuring and Testing 2 2 1 0 1 3 0 0 3 2 0 0 14
414 Material or Article Handling 1 0 1 2 0 2 2 0 1 2 1 2 14
602 Surgery: Splint, Brace, or Bandage 2 1 0 2 3 0 2 0 0 1 1 1 13
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 0 0 2 0 3 0 2 2 1 3 13
341 Coded Data Generation or Conversion 3 1 3 1 3 1 0 0 1 0 0 0 13
148 Metal Treatment 3 1 2 0 1 0 1 0 1 1 2 1 13
441 Buoys, Rafts, and Aquatic Devices 1 0 2 1 2 1 2 0 1 2 1 0 13
290 Prime-Mover Dynamo Plants 0 0 0 0 0 0 0 2 3 1 3 4 13
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 2 0 0 2 1 1 2 1 0 0 3 13
294 Handling: Hand and Hoist-Line Implements 1 0 3 2 1 0 0 0 1 3 1 1 13
445 Electric Lamp or Space Discharge Component or Device Manufacturing 1 1 0 4 1 2 3 0 0 0 0 1 13
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 0 1 0 1 0 1 3 1 1 2 1 2 13
601 Surgery: Kinesitherapy 0 1 0 0 4 2 0 0 0 3 0 2 12
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 2 4 1 1 0 1 0 2 0 0 1 0 12
331 Oscillators 0 0 1 3 0 1 3 0 3 1 0 0 12
047 Plant Husbandry 1 1 1 1 0 1 0 0 1 2 3 1 12
451 Abrading 3 3 1 0 1 1 1 1 1 0 0 0 12
096 Gas Separation: Apparatus 0 0 1 1 0 4 1 2 1 0 1 1 12
188 Brakes 0 1 0 1 1 4 0 1 0 0 1 3 12
216 Etching a Substrate: Processes 1 0 2 1 0 0 0 0 1 1 0 6 12
160 Flexible or Portable Closure, Partition, or Panel 1 0 1 2 1 2 1 0 0 1 2 0 11
200 Electricity: Circuit Makers and Breakers 3 2 1 0 1 0 0 0 0 3 0 1 11
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 0 1 3 0 0 1 3 2 1 0 0 11
055 Gas Separation 0 1 0 0 0 2 1 0 1 2 4 0 11
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 2 0 1 3 1 2 0 2 0 0 0 0 11
124 Mechanical Guns and Projectors 3 0 0 2 1 0 1 0 0 0 1 2 11
320 Electricity: Battery or Capacitor Charging or Discharging 1 2 0 0 1 0 0 0 0 1 1 4 10
369 Dynamic Information Storage or Retrieval 0 2 3 2 2 1 0 0 0 0 0 0 10
404 Road Structure, Process, or Apparatus 1 0 1 0 1 0 1 3 0 1 2 0 10
312 Supports: Cabinet Structure 3 0 3 0 2 0 0 0 0 0 2 0 10
053 Package Making 0 1 0 1 1 0 1 2 2 0 2 0 10
104 Railways 1 0 1 1 0 1 0 0 0 1 3 2 10
223 Apparel Apparatus 2 1 1 0 1 0 1 0 2 0 0 1 9
505 Superconductor Technology: Apparatus, Material, Process 2 2 1 0 0 1 0 0 0 0 1 2 9
360 Dynamic Magnetic Information Storage or Retrieval 3 1 2 1 0 0 1 0 0 0 1 0 9
363 Electric Power Conversion Systems 5 1 0 0 0 1 0 0 0 0 1 0 8
030 Cutlery 2 0 1 1 1 0 2 0 0 0 0 1 8
081 Tools 2 0 0 0 3 1 1 0 0 1 0 0 8
303 Fluid-Pressure and Analogous Brake Systems 2 2 1 1 0 1 1 0 0 0 0 0 8
044 Fuel and Related Compositions 0 2 0 0 0 2 0 0 0 1 1 2 8
415 Rotary Kinetic Fluid Motors or Pumps 0 0 2 1 0 1 1 1 1 0 1 0 8
070 Locks 1 1 2 2 0 0 0 0 2 0 0 0 8
232 Deposit and Collection Receptacles 1 0 1 0 0 3 0 1 2 0 0 0 8
086 Ammunition and Explosive-Charge Making 0 4 0 0 0 1 0 0 1 0 1 1 8
386 Motion Video Signal Processing for Recording or Reproducing 0 0 0 1 0 0 1 4 1 1 0 0 8
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 1 1 2 1 1 1 0 0 1 0 0 0 8
450 Foundation Garments 1 1 1 0 0 0 2 0 0 0 1 1 8
116 Signals and Indicators 1 1 1 0 0 2 0 0 1 1 0 0 7
221 Article Dispensing 0 1 0 0 0 0 3 3 0 0 0 0 7
229 Envelopes, Wrappers, and Paperboard Boxes 2 1 0 1 0 0 0 2 0 0 1 0 7
283 Printed Matter 2 3 0 1 0 0 1 0 0 0 0 0 7
292 Closure Fasteners 2 0 1 1 0 0 0 0 2 0 0 1 7
108 Horizontally Supported Planar Surfaces 1 0 1 1 1 0 2 0 1 0 0 0 7
256 Fences 1 0 0 1 1 0 2 0 1 1 0 0 7
454 Ventilation 2 1 0 0 1 0 0 0 1 0 0 2 7
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 1 0 0 0 0 2 0 1 3 7
110 Furnaces 1 1 2 0 0 1 1 1 0 0 0 0 7
164 Metal Founding 4 0 1 0 0 0 1 1 0 0 0 0 7
136 Batteries: Thermoelectric and Photoelectric 3 0 1 0 1 0 0 0 0 0 1 0 7
016 Miscellaneous Hardware 1 2 0 0 0 1 2 0 0 0 0 0 6
105 Railway Rolling Stock 0 1 0 0 1 0 1 0 0 1 0 2 6
261 Gas and Liquid Contact Apparatus 0 0 1 0 1 0 0 1 1 0 1 1 6
301 Land Vehicles: Wheels and Axles 1 0 0 2 1 1 1 0 0 0 0 0 6
392 Electric Resistance Heating Devices 2 0 1 0 0 1 0 1 0 0 1 0 6
400 Typewriting Machines 0 1 2 0 1 0 1 0 0 0 0 1 6
403 Joints and Connections 2 1 2 0 0 1 0 0 0 0 0 0 6
074 Machine Element or Mechanism 0 1 2 1 0 1 0 0 0 1 0 0 6
215 Bottles and Jars 0 0 0 0 0 1 2 0 1 0 1 1 6
228 Metal Fusion Bonding 1 3 0 0 0 0 0 2 0 0 0 0 6
242 Winding, Tensioning, or Guiding 1 0 1 1 1 0 1 0 0 0 0 1 6
323 Electricity: Power Supply or Regulation Systems 0 1 1 0 1 1 1 0 0 0 0 1 6
376 Induced Nuclear Reactions: Processes, Systems, and Elements 1 0 1 1 0 0 0 0 0 3 0 0 6
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 2 0 1 1 1 1 0 0 0 0 0 0 6
175 Boring or Penetrating the Earth 0 0 1 0 1 1 0 0 0 1 0 1 5
054 Harness for Working Animal 2 0 1 0 1 0 0 1 0 0 0 0 5
336 Inductor Devices 0 1 0 0 0 0 0 2 1 0 1 0 5
504 Plant Protecting and Regulating Compositions 2 1 0 0 0 1 0 0 0 1 0 0 5
131 Tobacco 2 0 0 1 0 0 1 0 0 0 1 0 5
383 Flexible Bags 0 2 1 0 0 0 0 0 1 0 1 0 5
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 0 0 1 0 0 0 1 1 0 1 0 5
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 0 1 0 0 0 2 1 1 0 5
452 Butchering 1 0 0 2 0 0 0 0 1 0 0 1 5
063 Jewelry 0 0 0 0 1 0 1 0 0 0 1 2 5
347 Incremental Printing of Symbolic Information 1 0 1 0 0 0 0 0 0 0 2 0 4
037 Excavating 0 1 0 0 2 0 0 1 0 0 0 0 4
125 Stone Working 1 1 0 1 0 0 0 1 0 0 0 0 4
203 Distillation: Processes, Separatory 0 0 1 2 0 0 0 0 1 0 0 0 4
246 Railway Switches and Signals 0 1 0 1 2 0 0 0 0 0 0 0 4
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 0 1 1 2 0 0 0 0 0 0 0 4
409 Gear Cutting, Milling, or Planing 0 0 1 1 0 1 0 0 0 0 1 0 4
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 0 2 1 0 0 0 0 0 0 1 0 4
475 Planetary Gear Transmission Systems or Components 0 0 1 2 0 0 0 0 0 1 0 0 4
494 Imperforate Bowl: Centrifugal Separators 0 0 1 1 1 0 0 0 0 1 0 0 4
720 Dynamic Optical Information Storage or Retrieval 0 0 1 0 0 1 1 1 0 0 0 0 4
122 Liquid Heaters and Vaporizers 0 0 1 0 0 0 1 0 0 1 0 1 4
177 Weighing Scales 0 1 1 1 0 0 1 0 0 0 0 0 4
419 Powder Metallurgy Processes 0 2 0 0 1 0 0 0 0 0 1 0 4
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 2 2 0 0 0 0 0 0 0 0 0 0 4
150 Purses, Wallets, and Protective Covers 0 2 1 0 0 0 0 0 0 0 0 1 4
349 Liquid Crystal Cells, Elements and Systems 0 0 0 0 0 0 0 1 1 0 0 2 4
190 Trunks and Hand-Carried Luggage 0 0 0 0 0 0 1 1 1 0 0 0 3
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 1 0 0 0 0 1 0 1 0 0 3
049 Movable or Removable Closures 0 0 1 1 0 0 0 0 0 0 1 0 3
139 Textiles: Weaving 0 0 0 0 0 0 2 0 0 0 1 0 3
140 Wireworking 0 2 0 0 0 0 1 0 0 0 0 0 3
144 Woodworking 0 0 1 0 0 0 0 1 0 0 0 1 3
152 Resilient Tires and Wheels 1 1 1 0 0 0 0 0 0 0 0 0 3
194 Check-Actuated Control Mechanisms 1 1 0 1 0 0 0 0 0 0 0 0 3
267 Spring Devices 0 0 1 1 1 0 0 0 0 0 0 0 3
279 Chucks or Sockets 1 1 0 0 0 1 0 0 0 0 0 0 3
293 Vehicle Fenders 0 1 0 0 1 0 1 0 0 0 0 0 3
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 0 1 1 0 0 0 1 0 0 0 3
408 Cutting by Use of Rotating Axially Moving Tool 1 0 0 0 1 0 0 1 0 0 0 0 3
072 Metal Deforming 1 0 0 0 0 1 0 0 1 0 0 0 3
162 Paper Making and Fiber Liberation 1 0 0 0 0 0 0 0 0 0 1 0 3
236 Automatic Temperature and Humidity Regulation 0 1 1 0 0 0 0 1 0 0 0 0 3
271 Sheet Feeding or Delivering 0 0 0 0 0 1 0 0 0 0 2 0 3
281 Books, Strips, and Leaves 0 0 1 0 0 0 0 1 0 0 1 0 3
472 Amusement Devices 0 0 1 0 0 0 1 0 0 0 1 0 3
366 Agitating (e.g., of articles and materials) 0 0 0 0 0 0 0 1 0 0 1 1 3
285 Pipe Joints or Couplings 1 0 0 0 1 0 0 0 0 0 0 0 2
007 Compound Hand Tools 0 1 0 0 0 0 0 1 0 0 0 0 2
027 Undertaking 0 0 0 1 0 0 0 0 0 0 0 1 2
109 Safes, Bank Protection, or a Related Device 0 0 0 0 1 0 0 0 0 0 0 1 2
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 0 0 0 0 0 1 0 0 0 1 2
169 Fire Extinguishers 0 0 0 0 0 0 0 0 0 1 1 0 2
173 Tool Driving or Impacting 0 2 0 0 0 0 0 0 0 0 0 0 2
201 Distillation: Processes, Thermolytic 0 0 0 0 0 0 0 0 0 0 2 0 2
212 Traversing Hoists 0 0 1 1 0 0 0 0 0 0 0 0 2
213 Railway Draft Appliances 0 2 0 0 0 0 0 0 0 0 0 0 2
238 Railways: Surface Track 0 0 1 0 1 0 0 0 0 0 0 0 2
241 Solid Material Comminution or Disintegration 0 0 0 2 0 0 0 0 0 0 0 0 2
249 Static Molds 0 0 1 0 0 0 0 0 0 0 1 0 2
251 Valves and Valve Actuation 0 0 0 0 0 1 0 1 0 0 0 0 2
266 Metallurgical Apparatus 0 1 0 0 1 0 0 0 0 0 0 0 2
277 Seal for a Joint or Juncture 0 0 0 2 0 0 0 0 0 0 0 0 2
289 Knots and Knot Tying 0 0 1 0 1 0 0 0 0 0 0 0 2
353 Optics: Image Projectors 0 1 0 0 0 0 0 1 0 0 0 0 2
373 Industrial Electric Heating Furnaces 0 0 0 0 0 0 1 0 0 0 1 0 2
399 Electrophotography 0 1 0 0 0 0 0 0 0 0 1 0 2
406 Conveyors: Fluid Current 0 0 0 0 0 0 0 0 0 1 0 1 2
418 Rotary Expansible Chamber Devices 0 1 0 0 0 0 0 0 0 0 0 1 2
474 Endless Belt Power Transmission Systems or Components 0 0 0 0 0 0 1 0 0 0 1 0 2
202 Distillation: Apparatus 0 0 0 0 1 0 0 0 0 0 0 1 2
420 Alloys or Metallic Compositions 0 2 0 0 0 0 0 0 0 0 0 0 2
431 Combustion 0 1 1 0 0 0 0 0 0 0 0 0 2
014 Bridges 0 0 0 0 0 0 0 0 0 0 1 0 1
322 Electricity: Single Generator Systems 0 0 1 0 0 0 0 0 0 0 0 0 1
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 0 0 0 0 0 1 0 0 0 0 0 1
023 Chemistry: Physical Processes 0 0 0 0 0 0 0 0 1 0 0 0 1
038 Textiles: Ironing or Smoothing 0 0 0 1 0 0 0 0 0 0 0 0 1
059 Chain, Staple, and Horseshoe Making 0 0 0 0 1 0 0 0 0 0 0 0 1
071 Chemistry: Fertilizers 0 0 0 1 0 0 0 0 0 0 0 0 1
112 Sewing 0 0 0 0 0 0 0 0 0 0 0 1 1
138 Pipes and Tubular Conduits 0 0 0 0 0 0 0 0 0 0 1 0 1
171 Unearthing Plants or Buried Objects 0 1 0 0 0 0 0 0 0 0 0 0 1
172 Earth Working 0 0 0 0 0 0 0 1 0 0 0 0 1
186 Merchandising 1 0 0 0 0 0 0 0 0 0 0 0 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 0 0 0 0 0 0 0 0 1 0 1
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 0 0 0 0 1 0 0 0 0 0 0 1
225 Severing by Tearing or Breaking 0 0 0 0 0 0 1 0 0 0 0 0 1
226 Advancing Material of Indeterminate Length 0 0 1 0 0 0 0 0 0 0 0 0 1
227 Elongated-Member-Driving Apparatus 0 0 0 1 0 0 0 0 0 0 0 0 1
237 Heating Systems 0 0 0 1 0 0 0 0 0 0 0 0 1
269 Work Holders 0 0 1 0 0 0 0 0 0 0 0 0 1
329 Demodulators 0 1 0 0 0 0 0 0 0 0 0 0 1
332 Modulators 0 0 0 1 0 0 0 0 0 0 0 0 1
346 Recorders 0 0 0 0 0 0 0 1 0 0 0 0 1
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 0 0 0 0 0 0 1 0 0 0 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 0 0 0 0 0 0 0 0 0 0 0 1
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 0 0 0 0 0 0 0 0 0 1 0 1
048 Gas: Heating and Illuminating 0 0 0 0 0 0 0 0 0 0 0 1 1
082 Turning (e.g., for metal working) 0 0 0 0 0 0 0 0 0 0 0 1 1
100 Presses 0 0 0 0 0 0 0 0 0 1 0 0 1
191 Electricity: Transmission To Vehicles 0 0 0 0 0 0 0 0 0 0 0 1 1
291 Track Sanders 0 0 0 0 0 1 0 0 0 0 0 0 1
384 Bearings 1 0 0 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 1218 1286 1307 1251 1226 1105 1371 1203 1242 1302 1758 1790 16061


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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