U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
Technology Assessment and Forecast (TAF) Branch

Patenting By Geographic Region (State and Country), Breakout By Technology Class
Count of 1997 - 2001 Utility Patent Grants 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

MAINE

(patent origin is determined by the residence of the first-named inventor)

(technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data')
 
Class Class Title 1997 1998 1999 2000 2001 Total
435 Chemistry: Molecular Biology and Microbiology 8 10 5 5 2 30
428 Stock Material or Miscellaneous Articles 4 3 5 4 3 19
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 2 3 6 1 3 15
206 Special Receptacle or Package 2 5 2 1 3 13
210 Liquid Purification or Separation 2 2 1 2 5 12
436 Chemistry: Analytical and Immunological Testing 3 1 3 2 3 12
340 Communications: Electrical 3 0 4 2 2 11
024 Buckles, Buttons, Clasps, Etc. 2 4 1 2 1 10
073 Measuring and Testing 1 4 3 2 0 10
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 2 0 0 3 5 10
043 Fishing, Trapping, and Vermin Destroying 1 2 4 2 0 9
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 1 1 2 1 4 9
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 1 1 2 4 1 9
052 Static Structures (e.g., Buildings) 1 2 1 2 2 8
114 Ships 3 2 0 1 2 8
248 Supports (e.g., for holding articles, etc.) 1 2 1 2 2 8
343 Communications: Radio Wave Antennas 0 0 1 3 4 8
473 Games Using Tangible Projectile 1 3 1 2 1 8
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 3 1 3 0 0 7
414 Material or Article Handling 1 0 3 3 0 7
482 Exercise Devices 0 2 0 2 3 7
060 Power Plants 1 3 1 1 0 6
084 Music 0 1 1 2 2 6
101 Printing 0 0 5 1 0 6
119 Animal Husbandry 1 1 0 2 2 6
128 Surgery (includes Class 600) 1 0 0 0 5 6
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 1 0 2 3 6
204 Chemistry: Electrical and Wave Energy 0 1 1 3 1 6
219 Electric Heating 1 1 2 0 2 6
326 Electronic Digital Logic Circuitry 0 0 0 2 4 6
361 Electricity: Electrical Systems and Devices 2 1 0 0 3 6
417 Pumps 0 2 0 1 3 6
438 Semiconductor Device Manufacturing: Process 0 0 1 2 3 6
451 Abrading 0 1 1 1 3 6
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 1 2 1 2 6
042 Firearms 2 2 0 1 0 5
137 Fluid Handling 0 1 2 2 0 5
224 Package and Article Carriers 0 1 0 1 3 5
226 Advancing Material of Indeterminate Length 0 0 3 1 1 5
280 Land Vehicles 1 2 1 1 0 5
294 Handling: Hand and Hoist-Line Implements 0 1 2 2 0 5
426 Food or Edible Material: Processes, Compositions, and Products 1 1 1 1 1 5
427 Coating Processes 1 0 0 1 3 5
002 Apparel 0 1 0 0 3 4
029 Metal Working 0 1 0 1 2 4
074 Machine Element or Mechanism 1 1 0 1 1 4
138 Pipes and Tubular Conduits 1 2 0 0 1 4
273 Amusement Devices: Games 0 0 1 2 1 4
277 Seal for a Joint or Juncture 1 0 1 0 2 4
297 Chairs and Seats 0 1 0 3 0 4
310 Electrical Generator or Motor Structure 1 0 0 1 2 4
312 Supports: Cabinet Structure 0 2 1 0 1 4
324 Electricity: Measuring and Testing 0 0 3 0 1 4
370 Multiplex Communications 0 0 3 1 0 4
381 Electrical Audio Signal Processing Systems and Devices 0 2 0 1 1 4
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 1 0 1 1 4
604 Surgery (Medicators and Receptors) 1 1 1 1 0 4
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 1 1 0 2 4
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 2 2 0 0 4
005 Beds 2 1 0 0 0 3
028 Textiles: Manufacturing 0 1 1 0 1 3
033 Geometrical Instruments 0 1 1 0 1 3
036 Boots, Shoes, and Leggings 0 0 1 1 1 3
062 Refrigeration 1 0 0 1 1 3
072 Metal Deforming 1 1 1 0 0 3
095 Gas Separation: Processes 1 0 1 0 1 3
123 Internal-Combustion Engines 1 1 0 0 1 3
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 2 1 0 0 3
241 Solid Material Comminution or Disintegration 0 0 0 1 2 3
242 Winding, Tensioning, or Guiding 1 1 0 1 0 3
244 Aeronautics 1 0 1 0 1 3
331 Oscillators 0 0 1 0 2 3
356 Optics: Measuring and Testing 0 2 0 1 0 3
359 Optics: Systems (Including Communication) and Elements 2 0 0 0 1 3
434 Education and Demonstration 0 0 1 1 1 3
439 Electrical Connectors 0 1 1 1 0 3
440 Marine Propulsion 0 2 1 0 0 3
441 Buoys, Rafts, and Aquatic Devices 1 0 1 1 0 3
606 Surgery (instruments) 0 1 0 0 2 3
714 Error Detection/Correction and Fault Detection/Recovery 2 0 1 0 0 3
725 Interactive Video Distribution Systems 0 1 0 0 2 3
004 Baths, Closets, Sinks, and Spittoons 0 0 1 0 1 2
030 Cutlery 0 0 0 2 0 2
081 Tools 0 0 1 1 0 2
089 Ordnance 1 1 0 0 0 2
099 Foods and Beverages: Apparatus 0 1 1 0 0 2
108 Horizontally Supported Planar Surfaces 1 1 0 0 0 2
118 Coating Apparatus 0 1 1 0 0 2
162 Paper Making and Fiber Liberation 1 0 0 1 0 2
182 Fire Escape, Ladder, or Scaffold 0 0 1 0 1 2
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 0 0 0 1 2
198 Conveyors: Power-Driven 0 0 0 1 1 2
209 Classifying, Separating, and Assorting Solids 0 1 1 0 0 2
211 Supports: Racks 0 0 0 1 1 2
222 Dispensing (apparatus and process) 0 1 0 1 0 2
227 Elongated-Member-Driving Apparatus 0 0 0 0 2 2
229 Envelopes, Wrappers, and Paperboard Boxes 0 0 1 1 0 2
237 Heating Systems 0 1 0 1 0 2
239 Fluid Sprinkling, Spraying, and Diffusing 1 0 1 0 0 2
250 Radiant Energy 1 0 0 1 0 2
285 Pipe Joints or Couplings 1 0 0 1 0 2
333 Wave Transmission Lines and Networks 0 0 0 1 1 2
348 Television 0 0 0 2 0 2
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 0 1 1 2
366 Agitating (e.g., of articles and materials) 0 0 0 1 1 2
367 Communications, Electrical: Acoustic Wave Systems and Devices 2 0 0 0 0 2
379 Telephonic Communications 1 0 0 0 1 2
385 Optical Waveguides 0 1 1 0 0 2
400 Typewriting Machines 1 0 0 0 1 2
405 Hydraulic and Earth Engineering 0 0 0 1 1 2
455 Telecommunications 0 2 0 0 0 2
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 0 0 2 0 2
700 DP: Generic Control Systems or Specific Applications (Data Processing) 1 0 0 1 0 2
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 1 0 1 0 0 2
012 Boot and Shoe Making 0 0 1 0 0 1
026 Textiles: Cloth Finishing 0 1 0 0 0 1
034 Drying and Gas or Vapor Contact with Solids 0 0 0 0 1 1
037 Excavating 0 0 0 0 1 1
040 Card, Picture, or Sign Exhibiting 0 1 0 0 0 1
044 Fuel and Related Compositions 0 0 1 0 0 1
047 Plant Husbandry 0 0 0 1 0 1
063 Jewelry 0 1 0 0 0 1
100 Presses 0 0 1 0 0 1
106 Compositions: Coating or Plastic 0 0 1 0 0 1
112 Sewing 0 0 0 0 1 1
132 Toilet 0 0 0 1 0 1
144 Woodworking 0 1 0 0 0 1
152 Resilient Tires and Wheels 0 0 0 1 0 1
160 Flexible or Portable Closure, Partition, or Panel 0 1 0 0 0 1
169 Fire Extinguishers 0 0 0 1 0 1
173 Tool Driving or Impacting 0 1 0 0 0 1
180 Motor Vehicles 0 0 0 1 0 1
188 Brakes 0 0 0 0 1 1
192 Clutches and Power-Stop Control 0 0 1 0 0 1
220 Receptacles 0 1 0 0 0 1
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 0 1 0 0 1
238 Railways: Surface Track 0 0 0 1 0 1
251 Valves and Valve Actuation 1 0 0 0 0 1
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 0 0 1 0 1
271 Sheet Feeding or Delivering 0 1 0 0 0 1
281 Books, Strips, and Leaves 0 0 0 0 1 1
293 Vehicle Fenders 0 1 0 0 0 1
301 Land Vehicles: Wheels and Axles 0 1 0 0 0 1
307 Electrical Transmission or Interconnection Systems 0 1 0 0 0 1
315 Electric Lamp and Discharge Devices: Systems 0 0 1 0 0 1
322 Electricity: Single Generator Systems 0 0 0 1 0 1
330 Amplifiers 0 0 0 1 0 1
336 Inductor Devices 0 0 0 0 1 1
358 Facsimile and Static Presentation Processing 0 0 0 1 0 1
360 Dynamic Magnetic Information Storage or Retrieval 1 0 0 0 0 1
362 Illumination 1 0 0 0 0 1
365 Static Information Storage and Retrieval 0 0 1 0 0 1
375 Pulse or Digital Communications 0 0 0 0 1 1
378 X-Ray or Gamma Ray Systems or Devices 0 0 0 0 1 1
382 Image Analysis 0 0 1 0 0 1
401 Coating Implements with Material Supply 0 0 1 0 0 1
403 Joints and Connections 0 0 0 0 1 1
404 Road Structure, Process, or Apparatus 1 0 0 0 0 1
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 1 0 0 0 1
415 Rotary Kinetic Fluid Motors or Pumps 0 1 0 0 0 1
418 Rotary Expansible Chamber Devices 1 0 0 0 0 1
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 0 1 0 1
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 0 1 0 0 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 0 0 0 0 1
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 0 0 1 0 0 1
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 1 0 0 0 0 1
532 Organic Compounds (includes Classes 532-570) 1 0 0 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 0 0 0 1 0 1
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 1 0 1
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 0 0 1 1
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 1 0 0 1
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 0 1 0 0 1
ALL ALL CLASSES 93 122 121 127 145 608



TAF Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Information Products Division - TAF Branch
PK3- Suite 441
Washington, DC 20231

tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov

address of TAF Internet pages : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of TAF reports from : ftp.uspto.gov/pub/taf/

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Last Modified: April 9, 2002