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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

Dallas-Fort Worth-Arlington, TX

( 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
370 Multiplex Communications 89 89 109 122 141 126 152 134 146 159 197 215 1679
438 Semiconductor Device Manufacturing: Process 130 167 120 125 170 104 130 115 106 98 117 99 1481
455 Telecommunications 166 157 106 81 87 80 114 89 72 74 117 103 1246
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 76 69 67 80 88 74 58 61 49 48 63 66 799
375 Pulse or Digital Communications 39 36 40 37 47 49 74 59 72 53 62 73 641
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 17 32 32 32 45 38 51 48 45 44 76 74 534
714 Error Detection/Correction and Fault Detection/Recovery 20 25 26 26 27 18 45 40 55 82 75 92 531
379 Telephonic Communications 69 57 45 59 58 38 44 29 23 32 34 33 521
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 39 52 66 50 36 33 39 37 24 34 46 51 507
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 74 51 37 31 44 34 37 41 26 18 37 34 464
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 27 15 15 12 9 34 34 29 46 32 93 90 436
365 Static Information Storage and Retrieval 53 36 32 41 41 36 34 26 24 27 30 37 417
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 43 53 42 43 37 32 31 28 23 22 31 20 405
361 Electricity: Electrical Systems and Devices 35 47 41 31 35 30 28 29 24 18 28 24 370
385 Optical Waveguides 8 16 35 31 39 24 24 42 26 35 41 19 340
359 Optical: Systems and Elements 20 24 17 37 35 45 41 16 29 21 18 26 329
340 Communications: Electrical 39 18 25 11 22 18 37 28 23 33 27 24 305
398 Optical Communications 13 7 13 18 20 9 26 41 17 33 32 31 260
707 DP: Database and File Management or Data Structures (Data Processing) 19 22 17 18 15 19 13 22 16 27 32 34 254
324 Electricity: Measuring and Testing 19 11 15 21 24 31 22 17 18 20 31 22 251
341 Coded Data Generation or Conversion 12 30 25 26 13 27 20 17 20 14 17 17 238
702 DP: Measuring, Calibrating, or Testing (Data Processing) 6 6 16 22 25 28 25 26 20 21 13 16 224
330 Amplifiers 20 19 25 23 22 13 20 16 15 11 18 18 220
713 Support (Electrical Computers and Digital Processing Systems) 8 13 9 5 12 11 21 29 15 36 16 30 205
250 Radiant Energy 22 16 22 17 17 12 28 17 19 13 14 5 202
348 Television 14 15 9 16 15 16 20 23 15 13 16 16 188
345 Computer Graphics Processing and Selective Visual Display Systems 26 13 12 10 17 11 22 17 11 12 16 16 183
710 Input/Output (Electrical Computers and Digital Processing Systems) 16 11 22 19 19 16 19 10 14 8 25 4 183
073 Measuring and Testing 10 14 4 15 17 12 24 13 10 16 21 13 169
382 Image Analysis 12 16 7 14 14 9 16 12 16 14 19 16 165
711 Memory (Electrical Computers and Digital Processing Systems) 22 18 9 17 21 13 11 15 8 2 13 5 154
439 Electrical Connectors 7 18 10 12 9 15 9 16 15 19 7 16 153
700 DP: Generic Control Systems or Specific Applications (Data Processing) 11 9 11 18 12 15 16 11 9 10 9 14 145
323 Electricity: Power Supply or Regulation Systems 16 11 6 17 10 7 12 5 14 10 14 19 141
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 10 5 4 6 14 10 15 18 16 11 18 12 139
326 Electronic Digital Logic Circuitry 11 12 15 10 10 10 4 11 9 14 13 14 133
363 Electric Power Conversion Systems 43 28 20 7 7 4 8 3 2 4 4 3 133
128 Surgery (includes Class 600) 14 19 18 12 6 6 6 8 9 12 6 16 132
343 Communications: Radio Wave Antennas 11 15 12 9 10 17 16 8 5 9 9 8 129
244 Aeronautics and Astronautics 9 16 19 15 11 5 6 3 5 6 13 18 126
435 Chemistry: Molecular Biology and Microbiology 13 13 14 14 8 4 19 9 5 11 11 5 126
029 Metal Working 8 15 10 10 9 8 14 11 8 9 7 14 123
473 Games Using Tangible Projectile 8 3 6 4 3 4 8 9 7 11 23 37 123
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 9 13 11 12 7 8 6 13 11 6 10 17 123
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 5 2 9 14 13 8 14 6 12 9 13 16 121
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 13 14 20 8 4 6 12 15 8 10 4 6 120
052 Static Structures (e.g., Buildings) 10 10 19 9 9 5 11 2 5 10 18 11 119
175 Boring or Penetrating the Earth 11 17 17 12 15 8 12 0 8 3 9 6 118
604 Surgery (Medicators and Receptors) 22 18 9 13 6 6 8 4 5 8 9 10 118
356 Optics: Measuring and Testing 13 5 4 11 11 9 5 9 14 10 16 6 113
280 Land Vehicles 9 8 5 4 7 14 11 10 8 7 11 14 108
717 DP: Software Development, Installation, and Management (Data Processing) 8 12 2 4 4 5 9 9 17 8 19 11 108
372 Coherent Light Generators 5 3 5 7 15 10 13 13 13 6 11 6 107
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 16 13 7 5 8 12 15 8 9 5 6 3 107
362 Illumination 8 5 13 12 6 8 7 12 10 4 15 5 105
708 Arithmetic Processing and Calculating (Electrical Computers) 7 11 13 8 9 6 9 6 8 6 6 9 98
331 Oscillators 6 6 9 10 8 9 7 4 13 8 11 6 97
174 Electricity: Conductors and Insulators 6 12 11 9 8 13 4 6 12 7 4 2 94
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 5 6 6 7 8 2 7 7 9 10 13 12 92
606 Surgery (instruments) 9 4 9 8 3 3 7 5 7 7 16 13 91
206 Special Receptacle or Package 10 9 8 8 7 9 8 4 7 7 7 6 90
726 Information Security 3 4 1 0 4 3 15 10 12 11 11 16 90
428 Stock Material or Miscellaneous Articles 22 8 7 10 10 8 3 4 3 5 5 4 89
248 Supports (e.g., for holding articles, etc.) 13 10 11 4 8 6 7 6 5 3 9 6 88
062 Refrigeration 9 13 10 7 7 5 6 4 8 4 6 8 87
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 9 6 12 9 8 6 2 8 1 4 15 7 87
360 Dynamic Magnetic Information Storage or Retrieval 11 6 10 17 15 4 10 4 3 2 3 1 86
119 Animal Husbandry 4 10 7 9 6 10 7 11 5 4 4 6 83
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 5 4 3 3 6 11 14 4 10 8 7 7 82
426 Food or Edible Material: Processes, Compositions, and Products 2 9 7 13 3 5 5 3 5 4 11 14 81
137 Fluid Handling 8 12 9 8 5 5 6 6 7 2 3 7 78
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 4 9 3 2 5 3 6 4 8 4 9 19 76
353 Optics: Image Projectors 1 3 3 5 10 9 6 8 5 3 5 14 72
210 Liquid Purification or Separation 11 8 5 8 6 5 8 4 2 6 3 5 71
532 Organic Compounds (includes Classes 532-570) 3 6 9 6 6 5 7 4 2 5 9 8 70
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 3 9 5 9 5 4 3 5 5 3 7 9 67
219 Electric Heating 16 9 7 4 5 5 5 5 3 2 1 3 65
607 Surgery: Light, Thermal, and Electrical Application 3 3 3 5 3 2 3 4 7 10 6 16 65
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 10 9 6 10 8 3 1 5 2 2 4 4 64
198 Conveyors: Power-Driven 6 13 10 8 5 3 2 4 1 4 2 4 62
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 6 4 2 7 6 5 4 1 4 6 9 8 62
165 Heat Exchange 6 3 5 4 8 3 15 5 1 1 4 2 57
296 Land Vehicles: Bodies and Tops 7 8 3 3 3 4 3 10 4 3 4 4 56
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 7 7 7 9 7 2 4 2 1 2 3 4 55
427 Coating Processes 7 6 9 5 5 2 3 2 3 0 7 3 52
433 Dentistry 2 7 6 3 4 8 0 7 3 0 8 4 52
706 DP: Artificial Intelligence (Data Processing) 0 3 1 4 2 4 6 3 0 7 14 8 52
725 Interactive Video Distribution Systems 3 3 2 5 3 2 7 0 3 2 9 12 51
134 Cleaning and Liquid Contact with Solids 6 8 8 4 3 0 6 6 4 3 1 1 50
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 4 3 5 6 7 6 3 2 5 3 5 1 50
414 Material or Article Handling 6 5 7 5 4 1 3 6 0 3 3 5 48
118 Coating Apparatus 6 9 4 7 4 2 2 5 0 2 5 1 47
053 Package Making 1 1 3 2 6 8 3 8 3 5 1 5 46
320 Electricity: Battery or Capacitor Charging or Discharging 7 11 4 2 3 5 0 1 2 3 6 2 46
434 Education and Demonstration 6 2 6 6 8 4 2 2 4 3 0 3 46
228 Metal Fusion Bonding 15 7 9 3 2 2 2 1 0 2 1 0 44
310 Electrical Generator or Motor Structure 2 3 3 5 4 3 5 6 2 4 4 3 44
351 Optics: Eye Examining, Vision Testing and Correcting 2 0 2 1 6 7 6 1 5 7 3 4 44
040 Card, Picture, or Sign Exhibiting 6 7 3 4 6 1 4 2 2 2 4 2 43
211 Supports: Racks 3 2 5 4 2 3 5 4 0 1 3 11 43
405 Hydraulic and Earth Engineering 5 3 4 9 2 4 3 1 2 2 3 5 43
042 Firearms 4 5 7 0 4 0 7 4 0 3 3 5 42
033 Geometrical Instruments 3 2 6 4 6 5 5 3 1 1 2 3 41
089 Ordnance 0 6 1 0 9 0 2 0 2 7 3 11 41
307 Electrical Transmission or Interconnection Systems 4 5 4 1 2 0 2 3 7 2 8 3 41
333 Wave Transmission Lines and Networks 3 3 6 5 5 5 3 1 5 2 1 2 41
358 Facsimile and Static Presentation Processing 7 4 6 1 2 0 3 4 5 3 3 3 41
482 Exercise Devices 3 4 2 4 3 0 3 2 3 3 7 7 41
081 Tools 6 7 4 3 2 3 1 4 6 1 1 1 39
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 7 7 1 3 3 3 3 2 4 3 2 0 38
004 Baths, Closets, Sinks, and Spittoons 4 4 3 3 2 3 4 2 3 2 5 2 37
005 Beds 3 5 4 2 6 3 1 2 1 2 2 6 37
101 Printing 6 8 3 3 7 4 3 1 0 0 1 1 37
297 Chairs and Seats 7 1 2 3 3 2 2 2 2 4 5 4 37
318 Electricity: Motive Power Systems 8 5 4 5 2 1 3 4 0 1 1 3 37
336 Inductor Devices 3 8 6 1 2 3 3 1 1 2 2 5 37
105 Railway Rolling Stock 4 5 5 1 4 5 2 5 0 1 3 1 36
209 Classifying, Separating, and Assorting Solids 3 3 4 2 4 3 5 3 3 1 2 3 36
220 Receptacles 5 6 4 2 1 4 2 2 2 1 3 4 36
380 Cryptography 1 1 0 3 2 4 6 4 2 1 4 8 36
451 Abrading 3 2 3 4 7 4 5 2 3 0 0 3 36
037 Excavating 5 3 6 3 6 1 4 2 0 2 2 1 35
285 Pipe Joints or Couplings 4 3 2 0 1 3 5 2 2 8 2 3 35
315 Electric Lamp and Discharge Devices: Systems 2 6 6 3 3 0 5 1 4 2 1 2 35
123 Internal-Combustion Engines 2 5 4 2 1 5 6 0 4 3 2 0 34
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 1 4 0 2 1 3 4 1 3 2 6 7 34
381 Electrical Audio Signal Processing Systems and Devices 1 0 2 3 4 5 2 2 3 3 4 4 33
102 Ammunition and Explosives 2 1 4 4 2 5 1 2 4 1 5 1 32
132 Toilet 3 8 5 1 5 2 2 1 0 2 1 2 32
222 Dispensing (apparatus and process) 2 5 5 3 2 2 3 2 1 1 4 2 32
290 Prime-Mover Dynamo Plants 0 1 0 2 4 0 2 5 5 3 5 5 32
002 Apparel 3 3 3 5 1 0 4 0 3 1 3 5 31
060 Power Plants 2 3 4 1 5 1 2 1 1 2 3 6 31
261 Gas and Liquid Contact Apparatus 4 4 4 1 3 1 3 3 1 2 2 3 31
099 Foods and Beverages: Apparatus 2 3 5 2 1 4 2 1 1 1 3 5 30
160 Flexible or Portable Closure, Partition, or Panel 6 2 1 6 4 1 1 2 0 2 3 2 30
417 Pumps 4 2 2 2 3 2 0 2 3 4 1 5 30
043 Fishing, Trapping, and Vermin Destroying 2 2 1 3 3 3 3 0 1 1 4 6 29
239 Fluid Sprinkling, Spraying, and Diffusing 4 3 2 0 1 3 2 5 2 1 1 5 29
294 Handling: Hand and Hoist-Line Implements 5 1 5 2 1 2 6 2 1 0 2 2 29
416 Fluid Reaction Surfaces (i.e., Impellers) 5 3 5 0 0 1 2 2 2 1 4 4 29
454 Ventilation 3 8 7 2 1 2 3 0 0 2 1 0 29
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 4 5 2 2 0 2 1 0 3 1 4 5 29
126 Stoves and Furnaces 6 5 3 2 4 0 2 1 0 2 0 3 28
273 Amusement Devices: Games 1 5 4 3 1 1 3 3 4 0 1 2 28
463 Amusement Devices: Games 2 1 1 2 2 1 0 3 4 3 4 5 28
015 Brushing, Scrubbing, and General Cleaning 4 1 2 1 4 3 2 1 3 1 3 2 27
367 Communications, Electrical: Acoustic Wave Systems and Devices 8 0 1 1 0 3 2 0 3 2 4 3 27
084 Music 1 1 1 0 0 3 2 2 2 6 6 2 26
256 Fences 1 3 2 4 4 1 1 1 2 4 0 3 26
423 Chemistry of Inorganic Compounds 1 4 3 3 3 4 0 2 3 0 1 2 26
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 1 5 2 2 4 3 1 3 1 0 3 1 26
602 Surgery: Splint, Brace, or Bandage 3 3 0 1 1 2 4 3 1 1 3 4 26
014 Bridges 1 0 0 1 0 4 6 5 2 0 3 3 25
180 Motor Vehicles 3 0 3 0 0 0 2 2 4 3 4 4 25
034 Drying and Gas or Vapor Contact with Solids 3 6 3 3 2 1 0 2 1 1 1 1 24
312 Supports: Cabinet Structure 4 1 2 5 3 2 0 1 0 2 1 2 23
347 Incremental Printing of Symbolic Information 3 4 3 3 2 3 1 1 1 0 1 0 22
368 Horology: Time Measuring Systems or Devices 3 2 0 5 1 2 3 0 1 1 3 1 22
436 Chemistry: Analytical and Immunological Testing 2 3 3 2 0 2 1 1 3 1 2 2 22
396 Photography 4 0 1 2 4 2 1 1 2 2 1 1 21
024 Buckles, Buttons, Clasps, Etc. 0 1 4 3 1 2 1 0 1 2 3 2 20
104 Railways 0 1 4 2 3 3 3 0 2 0 1 1 20
216 Etching a Substrate: Processes 0 2 3 0 3 2 2 2 3 0 1 2 20
366 Agitating (e.g., of articles and materials) 3 1 3 2 1 2 1 0 1 1 3 2 20
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 4 1 1 2 1 1 3 2 2 3 0 0 20
124 Mechanical Guns and Projectors 1 2 0 1 4 2 0 1 3 0 1 4 19
136 Batteries: Thermoelectric and Photoelectric 4 3 4 2 1 0 0 0 0 2 3 0 19
208 Mineral Oils: Processes and Products 3 3 3 1 0 3 0 3 0 0 2 1 19
252 Compositions 2 2 0 1 2 1 4 1 0 1 4 1 19
403 Joints and Connections 3 2 3 3 3 0 1 0 0 1 2 1 19
446 Amusement Devices: Toys 2 2 2 1 2 1 2 2 0 2 0 3 19
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 3 2 1 2 3 1 1 1 2 1 2 19
277 Seal for a Joint or Juncture 1 2 3 4 1 1 1 1 4 0 0 0 18
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 4 4 2 2 0 1 2 0 0 1 0 2 18
204 Chemistry: Electrical and Wave Energy 4 6 1 3 0 1 0 1 0 0 1 0 17
242 Winding, Tensioning, or Guiding 2 1 1 2 2 2 2 2 0 2 0 1 17
016 Miscellaneous Hardware 2 2 1 4 1 1 1 1 1 1 1 0 16
070 Locks 4 1 2 0 1 1 0 3 2 1 0 1 16
232 Deposit and Collection Receptacles 0 1 0 3 2 0 1 1 0 1 4 3 16
269 Work Holders 4 2 0 3 0 2 2 0 1 0 1 1 16
083 Cutting 1 3 3 1 2 0 2 0 0 1 2 0 15
106 Compositions: Coating or Plastic 2 3 0 2 3 0 0 0 1 0 1 3 15
108 Horizontally Supported Planar Surfaces 5 0 4 0 0 0 1 0 2 0 1 2 15
138 Pipes and Tubular Conduits 2 4 0 1 1 1 3 1 1 1 0 0 15
349 Liquid Crystal Cells, Elements and Systems 2 2 3 2 0 1 1 0 1 1 0 2 15
049 Movable or Removable Closures 4 4 2 0 3 0 1 0 0 0 0 0 14
355 Photocopying 3 2 2 5 0 1 0 0 0 0 0 1 14
404 Road Structure, Process, or Apparatus 1 1 1 3 1 0 1 4 0 1 0 1 14
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 2 4 2 0 1 1 0 1 0 0 0 3 14
432 Heating 1 1 0 2 1 1 2 3 3 0 0 0 14
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 0 1 2 0 1 0 1 3 2 0 4 14
116 Signals and Indicators 1 3 0 1 0 0 1 2 2 1 2 0 13
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 2 2 3 1 0 1 0 2 1 0 1 0 13
188 Brakes 3 4 1 0 1 0 0 0 1 2 1 0 13
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 1 2 2 1 2 1 1 2 0 0 0 13
229 Envelopes, Wrappers, and Paperboard Boxes 4 2 1 1 1 0 0 2 0 0 0 2 13
383 Flexible Bags 0 2 1 3 1 1 1 1 0 0 2 1 13
401 Coating Implements with Material Supply 2 2 1 0 1 0 0 2 1 3 0 1 13
410 Freight Accommodation On Freight Carrier 1 2 2 0 0 1 0 0 1 2 4 0 13
415 Rotary Kinetic Fluid Motors or Pumps 1 0 0 2 1 2 4 0 0 1 2 0 13
431 Combustion 2 1 5 2 0 0 2 0 0 1 0 0 13
047 Plant Husbandry 4 1 2 2 0 0 1 0 1 0 1 0 12
055 Gas Separation 3 2 0 1 0 0 0 1 1 0 1 3 12
065 Glass Manufacturing 0 2 0 3 0 0 1 3 1 1 0 1 12
072 Metal Deforming 2 1 1 0 0 3 2 1 0 1 0 1 12
114 Ships 1 1 0 1 0 1 4 1 2 0 0 1 12
200 Electricity: Circuit Makers and Breakers 0 0 2 1 2 1 1 1 1 0 2 1 12
271 Sheet Feeding or Delivering 1 1 1 3 1 0 0 0 0 1 1 3 12
386 Motion Video Signal Processing for Recording or Reproducing 0 1 1 1 0 0 2 1 1 2 0 3 12
441 Buoys, Rafts, and Aquatic Devices 1 3 0 2 0 1 0 0 0 3 1 1 12
036 Boots, Shoes, and Leggings 4 0 2 0 0 1 1 1 0 1 1 0 11
092 Expansible Chamber Devices 0 1 1 0 1 3 1 3 1 0 0 0 11
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 3 1 0 2 3 0 0 0 2 0 0 0 11
215 Bottles and Jars 0 0 3 2 0 1 0 1 0 0 2 2 11
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 1 1 1 1 1 1 1 2 2 0 0 11
030 Cutlery 0 3 1 2 0 0 0 1 1 0 1 1 10
095 Gas Separation: Processes 3 0 1 0 1 0 0 1 1 1 0 2 10
122 Liquid Heaters and Vaporizers 1 2 0 1 1 1 0 3 0 0 1 0 10
221 Article Dispensing 0 2 2 1 0 1 0 1 2 0 0 1 10
313 Electric Lamp and Discharge Devices 1 1 1 1 3 0 1 0 0 1 1 0 10
392 Electric Resistance Heating Devices 1 2 1 1 1 0 0 2 0 0 1 1 10
408 Cutting by Use of Rotating Axially Moving Tool 1 1 1 1 1 0 1 1 1 1 1 0 10
507 Earth Boring, Well Treating, and Oil Field Chemistry 2 1 0 1 0 1 1 0 0 2 1 1 10
074 Machine Element or Mechanism 3 1 0 0 0 0 1 2 0 1 1 0 9
112 Sewing 1 0 0 0 1 1 0 1 1 2 1 1 9
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 2 2 0 1 0 0 2 1 0 1 0 9
236 Automatic Temperature and Humidity Regulation 1 0 1 0 1 1 0 1 0 2 1 1 9
241 Solid Material Comminution or Disintegration 0 3 2 1 1 0 1 0 1 0 0 0 9
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 0 1 1 0 2 2 1 1 0 1 9
374 Thermal Measuring and Testing 0 2 0 0 2 0 2 1 0 0 2 0 9
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 2 1 1 0 0 1 2 0 0 1 1 9
224 Package and Article Carriers 0 2 1 2 0 1 1 0 0 0 0 1 8
251 Valves and Valve Actuation 1 0 1 0 0 1 1 0 2 0 0 2 8
292 Closure Fasteners 1 1 1 0 1 0 1 0 1 1 1 0 8
369 Dynamic Information Storage or Retrieval 0 0 0 1 1 0 3 1 0 0 0 2 8
063 Jewelry 0 3 1 0 1 0 0 0 1 1 0 0 7
096 Gas Separation: Apparatus 1 0 0 0 0 1 1 1 0 2 1 0 7
332 Modulators 0 2 0 0 1 1 0 0 0 0 1 2 7
338 Electrical Resistors 1 1 1 0 0 0 0 1 1 0 2 0 7
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 2 1 2 0 0 1 0 0 0 0 1 0 7
378 X-Ray or Gamma Ray Systems or Devices 0 0 0 2 1 1 0 2 0 1 0 0 7
406 Conveyors: Fluid Current 0 1 0 1 0 0 1 1 1 1 0 1 7
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 1 0 0 1 0 0 0 1 1 0 3 7
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 1 5 1 0 0 0 0 0 0 0 0 0 7
720 Dynamic Optical Information Storage or Retrieval 0 0 0 1 1 0 0 1 0 0 3 1 7
054 Harness for Working Animal 0 0 0 0 0 2 0 3 0 0 0 1 6
057 Textiles: Spinning, Twisting, and Twining 0 1 1 0 0 0 0 1 0 0 1 2 6
100 Presses 0 0 0 1 0 1 1 0 1 0 2 0 6
148 Metal Treatment 1 0 1 0 3 0 0 0 0 1 0 0 6
150 Purses, Wallets, and Protective Covers 2 0 1 0 0 1 0 0 0 2 0 0 6
162 Paper Making and Fiber Liberation 0 0 0 0 0 0 0 0 0 2 2 2 6
164 Metal Founding 0 0 2 1 0 0 3 0 0 0 0 0 6
169 Fire Extinguishers 1 0 0 0 0 1 1 0 0 2 0 1 6
181 Acoustics 1 1 1 0 1 0 0 0 0 0 1 1 6
182 Fire Escape, Ladder, or Scaffold 1 0 3 0 1 0 0 1 0 0 0 0 6
223 Apparel Apparatus 1 1 1 0 0 0 0 1 1 0 0 1 6
027 Undertaking 0 1 0 0 0 0 0 0 2 0 0 2 5
082 Turning (e.g., for metal working) 1 2 0 0 1 0 0 0 1 0 0 0 5
135 Tent, Canopy, Umbrella, or Cane 0 1 0 0 0 0 0 0 0 0 1 3 5
152 Resilient Tires and Wheels 1 0 0 1 0 0 0 1 2 0 0 0 5
281 Books, Strips, and Leaves 1 0 0 0 0 1 1 0 0 1 0 1 5
298 Land Vehicles: Dumping 0 2 0 1 1 0 0 1 0 0 0 0 5
301 Land Vehicles: Wheels and Axles 1 1 1 0 0 0 0 0 0 0 2 0 5
440 Marine Propulsion 0 0 1 0 0 0 0 0 2 1 0 1 5
445 Electric Lamp or Space Discharge Component or Device Manufacturing 2 0 0 2 0 0 0 0 1 0 0 0 5
450 Foundation Garments 2 1 0 0 0 0 0 0 0 0 1 1 5
472 Amusement Devices 1 0 0 0 0 1 1 0 0 0 0 2 5
501 Compositions: Ceramic 0 0 0 0 1 0 1 1 0 0 2 0 5
044 Fuel and Related Compositions 1 1 0 0 0 0 0 0 0 0 1 1 4
051 Abrasive Tool Making Process, Material, or Composition 1 0 1 1 1 0 0 0 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 0 0 0 0 0 0 1 1 2 4
111 Planting 0 0 1 0 1 1 0 0 0 0 1 0 4
139 Textiles: Weaving 1 0 0 0 1 1 1 0 0 0 0 0 4
149 Explosive and Thermic Compositions or Charges 1 1 0 0 0 0 0 0 0 1 1 0 4
177 Weighing Scales 0 1 1 0 1 0 0 0 0 0 1 0 4
184 Lubrication 1 0 1 0 0 1 0 0 0 1 0 0 4
190 Trunks and Hand-Carried Luggage 0 0 0 0 0 1 0 0 2 1 0 0 4
194 Check-Actuated Control Mechanisms 3 0 0 0 1 0 0 0 0 0 0 0 4
203 Distillation: Processes, Separatory 0 1 0 0 0 0 2 0 1 0 0 0 4
249 Static Molds 2 0 0 0 2 0 0 0 0 0 0 0 4
267 Spring Devices 0 2 1 0 1 0 0 0 0 0 0 0 4
283 Printed Matter 0 0 1 2 1 0 0 0 0 0 0 0 4
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 1 1 1 0 0 0 0 0 1 0 4
388 Electricity: Motor Control Systems 2 0 1 0 1 0 0 0 0 0 0 0 4
400 Typewriting Machines 1 1 0 0 0 1 1 0 0 0 0 0 4
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 0 0 0 1 1 0 0 1 1 0 0 4
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 0 0 0 0 0 0 0 1 0 3 4
585 Chemistry of Hydrocarbon Compounds 2 2 0 0 0 0 0 0 0 0 0 0 4
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 0 0 1 0 1 0 0 0 0 0 0 3
091 Motors: Expansible Chamber Type 0 0 0 0 0 1 0 1 0 0 0 1 3
125 Stone Working 0 1 0 0 0 0 0 0 0 0 1 1 3
144 Woodworking 0 1 1 1 0 0 0 0 0 0 0 0 3
172 Earth Working 2 0 0 0 0 0 0 0 0 1 0 0 3
238 Railways: Surface Track 0 0 1 0 0 0 1 0 0 0 1 0 3
293 Vehicle Fenders 1 1 0 0 0 0 0 0 0 1 0 0 3
303 Fluid-Pressure and Analogous Brake Systems 0 1 1 0 0 0 0 0 1 0 0 0 3
329 Demodulators 1 2 0 0 0 0 0 0 0 0 0 0 3
352 Optics: Motion Pictures 0 0 0 1 1 0 0 0 0 1 0 0 3
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 0 0 0 0 0 1 0 1 0 1 0 3
452 Butchering 0 0 0 0 0 1 0 0 1 0 0 1 3
474 Endless Belt Power Transmission Systems or Components 0 0 0 0 0 0 0 0 1 1 0 1 3
483 Tool Changing 0 0 0 0 0 0 0 0 1 1 1 0 3
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 0 0 0 0 2 0 0 0 0 1 0 3
601 Surgery: Kinesitherapy 1 0 0 0 1 0 0 0 0 0 0 1 3
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 0 0 0 2 0 0 0 0 0 0 1 3
012 Boot and Shoe Making 0 0 0 0 1 0 0 0 1 0 0 0 2
059 Chain, Staple, and Horseshoe Making 0 2 0 0 0 0 0 0 0 0 0 0 2
076 Metal Tools and Implements, Making 1 0 1 0 0 0 0 0 0 0 0 0 2
086 Ammunition and Explosive-Charge Making 0 0 0 1 0 0 0 0 0 0 1 0 2
140 Wireworking 0 0 1 0 0 0 1 0 0 0 0 0 2
186 Merchandising 0 0 0 0 1 0 0 1 0 0 0 0 2
191 Electricity: Transmission To Vehicles 0 1 0 0 0 0 0 1 0 0 0 0 2
202 Distillation: Apparatus 0 0 0 0 0 0 0 0 0 1 0 1 2
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 1 1 0 0 0 0 0 0 0 0 0 0 2
225 Severing by Tearing or Breaking 1 1 0 0 0 0 0 0 0 0 0 0 2
237 Heating Systems 0 1 0 0 0 1 0 0 0 0 0 0 2
266 Metallurgical Apparatus 0 0 0 0 1 0 1 0 0 0 0 0 2
373 Industrial Electric Heating Furnaces 0 1 0 1 0 0 0 0 0 0 0 0 2
399 Electrophotography 0 1 0 0 0 0 0 0 0 0 1 0 2
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 0 0 1 0 0 0 0 0 0 1 2
418 Rotary Expansible Chamber Devices 0 2 0 0 0 0 0 0 0 0 0 0 2
453 Coin Handling 1 0 0 0 0 0 0 0 0 1 0 0 2
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 0 0 0 0 0 0 1 0 0 1 0 2
007 Compound Hand Tools 0 0 0 0 0 0 1 0 0 0 0 0 1
019 Textiles: Fiber Preparation 0 0 0 0 0 0 0 1 0 0 0 0 1
066 Textiles: Knitting 1 0 0 0 0 0 0 0 0 0 0 0 1
071 Chemistry: Fertilizers 0 0 0 0 0 0 0 0 0 0 0 1 1
131 Tobacco 0 0 0 0 0 0 0 0 0 0 1 0 1
173 Tool Driving or Impacting 0 0 0 0 0 0 0 0 1 0 0 0 1
178 Telegraphy 0 0 0 0 1 0 0 0 0 0 0 0 1
192 Clutches and Power-Stop Control 0 1 0 0 0 0 0 0 0 0 0 0 1
201 Distillation: Processes, Thermolytic 1 0 0 0 0 0 0 0 0 0 0 0 1
213 Railway Draft Appliances 0 1 0 0 0 0 0 0 0 0 0 0 1
227 Elongated-Member-Driving Apparatus 0 0 0 0 0 0 0 0 0 0 0 1 1
246 Railway Switches and Signals 0 0 1 0 0 0 0 0 0 0 0 0 1
279 Chucks or Sockets 0 1 0 0 0 0 0 0 0 0 0 0 1
299 Mining or In Situ Disintegration of Hard Material 0 0 0 1 0 0 0 0 0 0 0 0 1
322 Electricity: Single Generator Systems 0 0 0 1 0 0 0 0 0 0 0 0 1
409 Gear Cutting, Milling, or Planing 1 0 0 0 0 0 0 0 0 0 0 0 1
412 Bookbinding: Process and Apparatus 0 1 0 0 0 0 0 0 0 0 0 0 1
413 Sheet Metal Container Making 0 0 0 1 0 0 0 0 0 0 0 0 1
419 Powder Metallurgy Processes 0 0 0 0 0 0 0 1 0 0 0 0 1
420 Alloys or Metallic Compositions 0 0 0 0 0 0 0 0 0 0 1 0 1
462 Books, Strips, and Leaves for Manifolding 1 0 0 0 0 0 0 0 0 0 0 0 1
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 1 0 0 0 0 0 0 0 0 0 0 0 1
475 Planetary Gear Transmission Systems or Components 0 1 0 0 0 0 0 0 0 0 0 0 1
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 0 0 0 0 0 0 0 1 0 0 1
492 Roll or Roller 0 0 0 0 0 0 1 0 0 0 0 0 1
504 Plant Protecting and Regulating Compositions 0 0 0 0 0 0 0 1 0 0 0 0 1
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 0 0 0 0 1 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 1 1
ALL ALL CLASSES 2116 2130 1926 1884 1959 1685 2016 1766 1669 1676 2189 2215 23230


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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