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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

Manchester-Nashua, NH

( 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
707 DP: Database and File Management or Data Structures (Data Processing) 6 8 10 11 8 7 20 19 8 17 12 25 151
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 7 10 6 7 6 8 19 13 11 12 16 18 130
370 Multiplex Communications 8 7 3 9 9 5 8 15 4 11 16 21 115
439 Electrical Connectors 11 7 8 13 13 4 4 4 4 8 12 11 99
343 Communications: Radio Wave Antennas 1 3 14 2 11 8 4 6 5 7 6 5 72
711 Memory (Electrical Computers and Digital Processing Systems) 10 4 6 5 4 4 4 2 8 8 7 8 70
455 Telecommunications 2 4 5 2 4 2 10 16 5 2 4 8 63
714 Error Detection/Correction and Fault Detection/Recovery 3 4 2 10 5 3 4 6 6 7 7 5 62
438 Semiconductor Device Manufacturing: Process 1 3 7 5 11 3 1 3 3 5 12 5 59
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 19 10 6 3 2 3 3 1 4 2 1 1 54
428 Stock Material or Miscellaneous Articles 3 8 4 7 6 8 2 3 6 1 3 3 53
340 Communications: Electrical 4 4 2 5 4 4 7 5 3 5 3 6 51
180 Motor Vehicles 0 2 5 9 3 6 3 5 3 1 8 2 45
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 3 2 3 0 2 1 2 5 5 6 7 10 45
250 Radiant Energy 3 2 7 3 2 3 1 4 3 5 7 6 45
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 4 6 2 3 2 7 2 2 1 7 7 2 45
385 Optical Waveguides 0 0 6 8 10 6 4 2 3 1 3 1 44
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 1 3 1 6 6 0 4 2 6 6 5 4 44
604 Surgery (Medicators and Receptors) 3 6 3 2 2 3 0 4 2 3 8 9 43
702 DP: Measuring, Calibrating, or Testing (Data Processing) 1 2 1 5 2 4 1 7 3 4 8 4 41
359 Optical: Systems and Elements 0 2 6 5 9 5 4 1 3 3 0 2 39
361 Electricity: Electrical Systems and Devices 1 1 4 3 3 1 2 4 9 4 2 3 37
717 DP: Software Development, Installation, and Management (Data Processing) 3 5 2 1 6 1 1 2 4 2 6 4 37
073 Measuring and Testing 0 2 1 1 3 3 5 5 4 4 5 3 36
029 Metal Working 1 4 1 1 3 2 7 3 3 3 4 3 35
375 Pulse or Digital Communications 0 0 1 0 1 1 9 8 4 5 3 2 34
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 3 3 6 4 3 2 2 3 1 4 1 2 34
324 Electricity: Measuring and Testing 0 1 4 2 2 3 5 1 3 3 4 6 33
345 Computer Graphics Processing and Selective Visual Display Systems 1 5 0 1 5 5 10 3 0 3 0 0 33
606 Surgery (instruments) 4 4 5 3 4 2 2 0 3 2 1 3 31
382 Image Analysis 3 7 1 0 4 1 3 3 1 2 3 4 31
128 Surgery (includes Class 600) 6 2 4 6 1 2 2 3 2 0 2 1 29
713 Support (Electrical Computers and Digital Processing Systems) 2 1 2 3 2 1 1 0 4 3 2 7 28
362 Illumination 2 3 1 1 0 3 1 3 1 2 4 7 28
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 5 1 2 1 1 0 1 1 2 3 2 7 26
710 Input/Output (Electrical Computers and Digital Processing Systems) 3 2 2 4 4 4 0 2 1 2 2 0 26
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 3 2 3 2 0 2 5 4 2 1 1 1 26
060 Power Plants 0 3 2 5 4 4 3 1 3 0 1 0 25
174 Electricity: Conductors and Insulators 0 3 3 5 3 1 2 1 3 2 3 1 25
072 Metal Deforming 3 2 0 4 2 1 5 1 1 3 3 2 24
101 Printing 0 5 4 4 3 3 1 0 0 1 1 2 24
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 2 1 0 3 3 0 2 4 2 1 3 2 23
323 Electricity: Power Supply or Regulation Systems 1 0 2 2 0 3 1 1 3 1 4 6 23
341 Coded Data Generation or Conversion 0 3 6 4 1 2 0 3 0 1 1 3 23
356 Optics: Measuring and Testing 3 1 1 0 3 0 1 7 3 3 2 0 23
326 Electronic Digital Logic Circuitry 1 1 3 3 1 1 2 3 1 0 4 2 22
372 Coherent Light Generators 0 1 0 2 7 1 1 6 0 1 2 2 22
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 3 1 1 3 1 1 0 3 3 3 2 1 21
219 Electric Heating 0 1 3 2 2 4 2 2 2 0 2 1 19
333 Wave Transmission Lines and Networks 3 1 2 3 1 0 2 1 3 0 2 1 19
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 3 4 3 2 2 1 0 0 1 0 0 4 19
136 Batteries: Thermoelectric and Photoelectric 0 0 0 1 1 2 1 2 3 3 3 2 18
210 Liquid Purification or Separation 2 2 1 1 3 2 1 1 1 0 2 2 18
363 Electric Power Conversion Systems 1 1 1 3 2 1 0 1 1 0 6 2 18
435 Chemistry: Molecular Biology and Microbiology 6 0 1 1 0 0 0 2 0 3 4 1 18
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 3 3 2 2 1 0 2 3 1 2 18
379 Telephonic Communications 3 1 2 0 1 1 4 1 1 1 2 0 17
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 2 1 2 2 1 1 3 3 0 1 1 0 17
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 1 1 3 4 3 0 2 2 1 17
427 Coating Processes 1 2 7 2 0 0 0 0 0 1 2 1 16
726 Information Security 2 0 0 0 0 2 1 0 2 5 4 1 16
089 Ordnance 0 0 0 1 3 0 1 0 1 1 2 6 15
348 Television 1 1 1 3 0 2 0 1 0 2 2 2 15
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 1 3 0 1 3 0 2 0 0 1 3 1 15
024 Buckles, Buttons, Clasps, Etc. 1 2 3 4 1 1 1 0 2 1 0 0 15
417 Pumps 1 3 2 6 2 0 0 0 0 2 0 0 15
280 Land Vehicles 3 1 3 0 0 2 0 1 1 0 2 1 14
239 Fluid Sprinkling, Spraying, and Diffusing 0 1 0 1 0 1 6 0 0 2 2 1 14
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 2 1 1 1 1 0 0 2 3 0 2 13
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 3 2 1 1 0 0 0 3 1 0 2 1 13
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 0 1 0 0 6 1 1 1 1 2 13
313 Electric Lamp and Discharge Devices 0 1 1 0 3 4 1 1 1 1 1 1 13
398 Optical Communications 0 0 0 3 2 1 1 0 1 1 3 1 13
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 0 0 0 0 3 2 0 1 5 2 13
052 Static Structures (e.g., Buildings) 0 0 1 0 1 1 1 1 0 3 3 2 12
164 Metal Founding 0 2 2 0 1 2 1 1 0 1 1 1 12
347 Incremental Printing of Symbolic Information 1 2 1 4 1 2 0 0 0 1 0 0 12
244 Aeronautics and Astronautics 0 0 0 1 1 2 0 0 1 3 2 2 12
106 Compositions: Coating or Plastic 0 1 4 2 1 1 0 0 1 0 0 1 11
165 Heat Exchange 2 0 0 2 2 3 0 1 0 1 0 0 11
310 Electrical Generator or Motor Structure 1 1 1 0 1 0 2 1 0 0 2 2 11
365 Static Information Storage and Retrieval 2 2 1 0 2 0 0 1 2 1 0 0 11
451 Abrading 1 1 1 1 1 0 4 2 0 0 0 0 11
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 1 3 0 0 2 1 1 0 3 0 0 1 11
137 Fluid Handling 3 1 2 2 2 0 1 0 0 0 0 1 11
202 Distillation: Apparatus 1 2 1 0 2 2 1 0 2 0 0 0 11
248 Supports (e.g., for holding articles, etc.) 2 3 0 2 1 1 1 1 0 0 1 0 11
074 Machine Element or Mechanism 2 2 3 0 0 0 0 1 0 1 0 1 10
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 2 2 1 0 0 0 0 1 0 1 2 1 10
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 1 1 0 0 1 0 0 2 2 1 3 10
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 3 0 2 0 1 1 0 0 1 1 0 0 9
215 Bottles and Jars 3 1 0 0 1 0 0 2 0 0 0 2 9
277 Seal for a Joint or Juncture 1 0 0 0 2 3 0 1 1 0 1 0 9
283 Printed Matter 3 3 1 1 0 0 0 1 0 0 1 0 9
307 Electrical Transmission or Interconnection Systems 1 0 2 1 1 0 0 1 0 2 0 1 9
330 Amplifiers 1 0 0 2 1 0 0 0 2 3 0 0 9
119 Animal Husbandry 1 0 2 2 1 1 0 0 0 1 0 1 9
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 2 1 2 0 2 0 1 0 0 0 1 0 9
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 3 1 0 0 0 1 1 1 0 0 2 0 9
318 Electricity: Motive Power Systems 0 2 0 1 2 1 1 1 0 0 0 1 9
532 Organic Compounds (includes Classes 532-570) 3 0 2 1 0 0 0 0 0 0 0 3 9
706 DP: Artificial Intelligence (Data Processing) 0 1 2 2 0 0 0 0 1 2 0 1 9
229 Envelopes, Wrappers, and Paperboard Boxes 1 1 1 0 0 1 0 1 1 1 2 0 8
315 Electric Lamp and Discharge Devices: Systems 1 1 1 2 1 0 0 0 0 0 1 1 8
331 Oscillators 0 0 0 1 2 0 0 0 3 1 1 0 8
436 Chemistry: Analytical and Immunological Testing 1 1 1 0 0 0 1 1 1 2 1 2 8
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 0 0 0 3 1 0 1 0 2 0 0 1 8
242 Winding, Tensioning, or Guiding 2 0 0 1 1 2 1 0 0 0 0 1 8
251 Valves and Valve Actuation 1 1 1 1 0 1 1 0 0 1 1 0 8
042 Firearms 0 1 0 1 0 1 1 0 1 2 0 1 7
053 Package Making 0 0 0 2 0 0 1 2 1 0 1 0 7
162 Paper Making and Fiber Liberation 2 1 1 0 1 0 0 2 0 0 0 0 7
206 Special Receptacle or Package 1 1 0 1 1 0 0 0 0 1 1 1 7
209 Classifying, Separating, and Assorting Solids 0 0 2 2 1 1 0 0 0 0 0 1 7
285 Pipe Joints or Couplings 1 1 1 1 0 1 0 2 0 0 0 0 7
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 1 0 1 2 1 0 0 0 1 1 0 7
708 Arithmetic Processing and Calculating (Electrical Computers) 0 0 0 0 0 4 1 0 0 0 1 1 7
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 0 0 0 2 0 1 0 0 2 1 1 7
134 Cleaning and Liquid Contact with Solids 1 0 0 3 1 0 2 0 0 0 0 0 7
381 Electrical Audio Signal Processing Systems and Devices 1 0 0 1 2 0 1 0 1 0 0 1 7
434 Education and Demonstration 0 0 1 1 0 2 2 0 1 0 0 0 7
454 Ventilation 2 1 1 1 0 1 0 0 0 0 1 0 7
002 Apparel 2 0 0 0 0 2 1 0 0 0 2 0 6
114 Ships 0 0 0 1 0 2 1 1 0 0 1 0 6
358 Facsimile and Static Presentation Processing 1 0 1 0 1 1 0 1 0 0 1 0 6
725 Interactive Video Distribution Systems 0 0 3 1 1 0 0 0 0 0 0 1 6
033 Geometrical Instruments 1 0 1 1 0 0 0 1 0 1 1 0 6
084 Music 0 1 0 1 0 0 1 0 0 2 1 0 6
297 Chairs and Seats 2 0 0 0 0 1 0 2 0 0 1 0 6
301 Land Vehicles: Wheels and Axles 0 0 0 2 1 0 1 0 0 0 0 1 5
396 Photography 0 1 0 0 0 0 0 0 0 0 3 1 5
414 Material or Article Handling 0 1 0 1 0 0 0 0 0 0 1 2 5
423 Chemistry of Inorganic Compounds 2 0 0 0 0 0 0 0 1 1 0 1 5
601 Surgery: Kinesitherapy 0 0 1 0 1 0 0 1 1 0 1 0 5
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 0 1 0 0 2 0 0 0 0 0 1 5
004 Baths, Closets, Sinks, and Spittoons 1 0 2 0 0 0 0 1 0 0 0 1 5
198 Conveyors: Power-Driven 0 1 0 0 0 0 0 1 0 1 1 1 5
222 Dispensing (apparatus and process) 1 1 2 0 0 0 0 0 0 0 0 1 5
374 Thermal Measuring and Testing 1 0 1 0 0 0 2 0 0 0 1 0 5
005 Beds 1 0 0 1 1 0 0 0 1 0 0 0 4
043 Fishing, Trapping, and Vermin Destroying 0 0 0 0 0 0 1 1 1 1 0 0 4
047 Plant Husbandry 2 0 0 0 0 0 0 0 0 0 2 0 4
055 Gas Separation 0 0 0 0 0 0 0 1 0 1 1 1 4
095 Gas Separation: Processes 1 0 0 1 0 0 0 0 0 0 0 2 4
096 Gas Separation: Apparatus 0 0 0 0 3 0 0 0 0 0 1 0 4
139 Textiles: Weaving 0 1 1 2 0 0 0 0 0 0 0 0 4
169 Fire Extinguishers 1 1 1 1 0 0 0 0 0 0 0 0 4
191 Electricity: Transmission To Vehicles 0 0 1 0 0 0 0 0 1 1 0 1 4
226 Advancing Material of Indeterminate Length 0 0 1 1 0 1 1 0 0 0 0 0 4
252 Compositions 1 0 0 0 0 2 0 0 0 1 0 0 4
273 Amusement Devices: Games 2 0 0 0 1 0 0 0 0 1 0 0 4
366 Agitating (e.g., of articles and materials) 0 0 0 0 0 0 1 0 1 0 1 1 4
426 Food or Edible Material: Processes, Compositions, and Products 0 2 0 0 1 0 0 1 0 0 0 0 4
380 Cryptography 0 0 0 0 0 0 0 1 2 1 0 0 4
463 Amusement Devices: Games 0 0 0 2 0 0 0 0 0 0 0 2 4
012 Boot and Shoe Making 0 0 1 0 1 0 0 0 0 0 0 1 3
030 Cutlery 0 0 0 1 0 1 1 0 0 0 0 0 3
036 Boots, Shoes, and Leggings 0 0 0 0 0 0 0 0 1 1 1 0 3
051 Abrasive Tool Making Process, Material, or Composition 1 0 1 1 0 0 0 0 0 0 0 0 3
081 Tools 0 2 0 0 0 0 0 0 0 1 0 0 3
203 Distillation: Processes, Separatory 0 0 0 0 0 0 0 0 1 0 2 0 3
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 1 0 1 0 1 0 0 0 0 0 0 3
221 Article Dispensing 0 0 0 0 1 1 0 0 1 0 0 0 3
254 Implements or Apparatus for Applying Pushing or Pulling Force 3 0 0 0 0 0 0 0 0 0 0 0 3
290 Prime-Mover Dynamo Plants 0 0 0 0 0 2 0 0 0 0 1 0 3
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 0 0 0 0 1 0 0 0 1 1 3
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 0 0 0 2 0 1 0 0 0 0 0 3
473 Games Using Tangible Projectile 0 0 1 0 0 0 0 1 0 1 0 0 3
482 Exercise Devices 0 1 1 0 0 0 0 0 1 0 0 0 3
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 1 0 1 0 0 0 0 0 0 0 0 1 3
015 Brushing, Scrubbing, and General Cleaning 1 2 0 0 0 0 0 0 0 0 0 0 3
062 Refrigeration 0 0 0 0 1 0 0 0 0 0 1 1 3
099 Foods and Beverages: Apparatus 1 1 0 0 0 0 0 1 0 0 0 0 3
181 Acoustics 0 0 1 0 0 1 0 0 1 0 0 0 3
211 Supports: Racks 0 2 0 0 0 0 0 0 0 1 0 0 3
220 Receptacles 0 0 0 0 0 0 0 0 0 1 1 1 3
224 Package and Article Carriers 0 0 2 1 0 0 0 0 0 0 0 0 3
271 Sheet Feeding or Delivering 0 1 1 0 0 1 0 0 0 0 0 0 3
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 1 0 0 0 0 1 0 0 0 1 0 3
034 Drying and Gas or Vapor Contact with Solids 0 0 2 0 0 0 0 0 0 0 0 0 2
065 Glass Manufacturing 1 0 0 1 0 0 0 0 0 0 0 0 2
083 Cutting 0 0 1 0 0 0 0 0 0 0 0 1 2
102 Ammunition and Explosives 0 0 0 0 2 0 0 0 0 0 0 0 2
118 Coating Apparatus 0 0 1 1 0 0 0 0 0 0 0 0 2
124 Mechanical Guns and Projectors 0 1 0 0 0 0 0 0 0 0 0 1 2
173 Tool Driving or Impacting 1 1 0 0 0 0 0 0 0 0 0 0 2
192 Clutches and Power-Stop Control 0 0 0 0 0 0 2 0 0 0 0 0 2
241 Solid Material Comminution or Disintegration 1 0 0 0 0 0 0 0 1 0 0 0 2
249 Static Molds 0 1 0 1 0 0 0 0 0 0 0 0 2
294 Handling: Hand and Hoist-Line Implements 0 0 1 0 1 0 0 0 0 0 0 0 2
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 0 0 0 0 0 0 0 0 2 0 2
332 Modulators 0 1 0 1 0 0 0 0 0 0 0 0 2
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 2 0 0 0 0 0 0 0 0 0 0 2
338 Electrical Resistors 0 0 1 1 0 0 0 0 0 0 0 0 2
355 Photocopying 0 1 0 1 0 0 0 0 0 0 0 0 2
360 Dynamic Magnetic Information Storage or Retrieval 1 0 0 0 0 0 0 0 1 0 0 0 2
378 X-Ray or Gamma Ray Systems or Devices 0 0 0 0 0 0 0 0 1 0 0 1 2
383 Flexible Bags 0 0 0 0 0 0 0 1 1 0 0 0 2
386 Motion Video Signal Processing for Recording or Reproducing 0 0 0 1 0 0 0 0 1 0 0 0 2
431 Combustion 0 0 0 0 0 0 2 0 0 0 0 0 2
433 Dentistry 1 0 1 0 0 0 0 0 0 0 0 0 2
441 Buoys, Rafts, and Aquatic Devices 0 1 0 0 0 0 0 0 1 0 0 0 2
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 0 0 1 0 0 0 0 0 0 0 0 2
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 1 0 0 1 0 0 0 0 0 0 0 0 2
602 Surgery: Splint, Brace, or Bandage 0 0 0 0 0 1 0 0 0 0 0 1 2
040 Card, Picture, or Sign Exhibiting 0 0 1 0 1 0 0 0 0 0 0 0 2
200 Electricity: Circuit Makers and Breakers 0 0 1 0 0 0 0 1 0 0 0 0 2
227 Elongated-Member-Driving Apparatus 1 0 0 0 0 1 0 0 0 0 0 0 2
368 Horology: Time Measuring Systems or Devices 0 0 0 0 0 0 2 0 0 0 0 0 2
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 1
016 Miscellaneous Hardware 0 0 0 0 1 0 0 0 0 0 0 0 1
026 Textiles: Cloth Finishing 0 0 0 1 0 0 0 0 0 0 0 0 1
028 Textiles: Manufacturing 0 0 0 0 0 0 0 0 0 1 0 0 1
037 Excavating 0 0 0 0 1 0 0 0 0 0 0 0 1
049 Movable or Removable Closures 1 0 0 0 0 0 0 0 0 0 0 0 1
054 Harness for Working Animal 0 1 0 0 0 0 0 0 0 0 0 0 1
063 Jewelry 0 0 0 1 0 0 0 0 0 0 0 0 1
092 Expansible Chamber Devices 0 0 0 0 0 0 0 0 0 0 0 1 1
108 Horizontally Supported Planar Surfaces 0 0 0 0 0 0 0 0 0 0 0 1 1
148 Metal Treatment 1 0 0 0 0 0 0 0 0 0 0 0 1
149 Explosive and Thermic Compositions or Charges 0 0 0 0 1 0 0 0 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 1 0 1
175 Boring or Penetrating the Earth 0 0 1 0 0 0 0 0 0 0 0 0 1
182 Fire Escape, Ladder, or Scaffold 0 0 0 0 0 1 0 0 0 0 0 0 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 0 0 1 0 0 0 0 0 0 0 1
188 Brakes 0 0 0 1 0 0 0 0 0 0 0 0 1
204 Chemistry: Electrical and Wave Energy 0 1 0 0 0 0 0 0 0 0 0 0 1
228 Metal Fusion Bonding 0 0 0 0 0 0 0 0 0 0 1 0 1
267 Spring Devices 0 0 1 0 0 0 0 0 0 0 0 0 1
269 Work Holders 0 0 0 1 0 0 0 0 0 0 0 0 1
279 Chucks or Sockets 0 0 0 0 0 1 0 0 0 0 0 0 1
281 Books, Strips, and Leaves 0 0 0 0 0 0 0 0 0 0 1 0 1
292 Closure Fasteners 0 0 0 0 0 0 0 0 0 0 0 1 1
312 Supports: Cabinet Structure 0 0 0 1 0 0 0 0 0 0 0 0 1
322 Electricity: Single Generator Systems 0 0 0 0 0 0 0 0 0 1 0 0 1
346 Recorders 0 0 0 0 0 0 1 0 0 0 0 0 1
353 Optics: Image Projectors 0 0 0 1 0 0 0 0 0 0 0 0 1
369 Dynamic Information Storage or Retrieval 0 0 0 1 0 0 0 0 0 0 0 0 1
384 Bearings 1 0 0 0 0 0 0 0 0 0 0 0 1
392 Electric Resistance Heating Devices 0 0 0 0 0 0 1 0 0 0 0 0 1
400 Typewriting Machines 0 1 0 0 0 0 0 0 0 0 0 0 1
404 Road Structure, Process, or Apparatus 0 0 0 0 1 0 0 0 0 0 0 0 1
408 Cutting by Use of Rotating Axially Moving Tool 0 0 0 0 0 1 0 0 0 0 0 0 1
412 Bookbinding: Process and Apparatus 0 0 0 0 0 0 0 0 0 1 0 0 1
415 Rotary Kinetic Fluid Motors or Pumps 0 0 0 0 0 0 0 0 1 0 0 0 1
419 Powder Metallurgy Processes 0 0 0 0 0 0 0 0 0 0 1 0 1
420 Alloys or Metallic Compositions 0 0 0 0 0 1 0 0 0 0 0 0 1
432 Heating 0 0 1 0 0 0 0 0 0 0 0 0 1
440 Marine Propulsion 0 0 0 0 0 0 0 0 0 0 0 1 1
446 Amusement Devices: Toys 0 0 0 0 0 0 0 0 1 0 0 1 1
504 Plant Protecting and Regulating Compositions 0 0 0 1 0 0 0 0 0 0 0 0 1
505 Superconductor Technology: Apparatus, Material, Process 0 1 0 0 0 0 0 0 0 0 0 0 1
110 Furnaces 0 0 0 0 0 0 0 0 0 0 1 0 1
122 Liquid Heaters and Vaporizers 1 0 0 0 0 0 0 0 0 0 0 0 1
123 Internal-Combustion Engines 1 0 0 0 0 0 0 0 0 0 0 0 1
138 Pipes and Tubular Conduits 0 0 0 0 0 0 0 0 0 0 0 1 1
157 Wheelwright Machines 0 1 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 1
588 Hazardous or Toxic Waste Destruction or Containment 0 1 0 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 260 257 278 304 283 230 263 258 226 262 327 327 3271

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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

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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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