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

RHODE ISLAND

(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
114 Ships 24 16 5 10 8 63
367 Communications, Electrical: Acoustic Wave Systems and Devices 8 14 9 15 10 56
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 9 8 11 20 8 56
428 Stock Material or Miscellaneous Articles 4 4 8 12 9 37
073 Measuring and Testing 6 12 3 12 3 36
361 Electricity: Electrical Systems and Devices 0 9 5 6 7 27
604 Surgery (Medicators and Receptors) 4 10 5 4 2 25
435 Chemistry: Molecular Biology and Microbiology 3 3 6 7 5 24
356 Optics: Measuring and Testing 2 4 4 5 8 23
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 2 6 1 6 8 23
137 Fluid Handling 6 5 6 3 1 21
210 Liquid Purification or Separation 4 4 3 3 6 20
606 Surgery (instruments) 3 4 7 3 3 20
227 Elongated-Member-Driving Apparatus 4 3 5 3 3 18
439 Electrical Connectors 3 3 2 3 7 18
446 Amusement Devices: Toys 3 2 2 8 3 18
206 Special Receptacle or Package 5 2 3 2 3 15
340 Communications: Electrical 4 4 0 4 3 15
128 Surgery (includes Class 600) 3 3 2 4 2 14
277 Seal for a Joint or Juncture 2 1 6 2 3 14
532 Organic Compounds (includes Classes 532-570) 2 3 5 2 2 14
024 Buckles, Buttons, Clasps, Etc. 5 3 2 1 2 13
248 Supports (e.g., for holding articles, etc.) 1 2 4 6 0 13
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 1 2 2 8 13
473 Games Using Tangible Projectile 3 2 3 4 1 13
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 4 2 1 1 4 12
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 3 0 2 3 4 12
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 1 1 1 3 6 12
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 2 7 1 1 1 12
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 5 1 3 2 1 12
702 DP: Measuring, Calibrating, or Testing (Data Processing) 2 4 3 2 1 12
081 Tools 1 0 1 3 6 11
089 Ordnance 5 0 2 2 2 11
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 2 2 2 3 2 11
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 4 0 3 2 2 11
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 3 4 1 2 1 11
706 DP: Artificial Intelligence (Data Processing) 1 5 2 2 1 11
029 Metal Working 0 2 4 1 3 10
200 Electricity: Circuit Makers and Breakers 0 4 1 1 4 10
382 Image Analysis 0 1 1 4 4 10
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 3 0 2 3 2 10
343 Communications: Radio Wave Antennas 0 0 4 4 1 9
347 Incremental Printing of Symbolic Information 2 1 2 2 2 9
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 1 1 0 1 6 9
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 2 1 1 5 0 9
273 Amusement Devices: Games 1 4 0 2 1 8
312 Supports: Cabinet Structure 0 1 1 1 5 8
323 Electricity: Power Supply or Regulation Systems 2 3 2 0 1 8
349 Liquid Crystal Cells, Elements and Systems 0 2 4 1 1 8
351 Optics: Eye Examining, Vision Testing and Correcting 0 1 2 4 1 8
359 Optics: Systems (Including Communication) and Elements 1 2 1 2 2 8
385 Optical Waveguides 1 1 2 3 1 8
400 Typewriting Machines 1 2 3 1 1 8
401 Coating Implements with Material Supply 0 1 2 4 1 8
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 1 3 1 3 0 8
033 Geometrical Instruments 3 3 0 1 0 7
034 Drying and Gas or Vapor Contact with Solids 0 1 3 1 2 7
043 Fishing, Trapping, and Vermin Destroying 2 2 0 2 1 7
119 Animal Husbandry 2 1 2 1 1 7
124 Mechanical Guns and Projectors 5 0 1 1 0 7
251 Valves and Valve Actuation 1 0 2 2 2 7
280 Land Vehicles 0 2 1 0 4 7
362 Illumination 0 0 2 4 1 7
372 Coherent Light Generators 0 2 1 1 3 7
438 Semiconductor Device Manufacturing: Process 1 0 1 2 3 7
002 Apparel 2 1 1 2 0 6
063 Jewelry 2 1 1 2 0 6
101 Printing 1 3 0 1 1 6
204 Chemistry: Electrical and Wave Energy 3 0 0 0 3 6
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 1 1 0 3 6
228 Metal Fusion Bonding 2 1 1 1 1 6
244 Aeronautics 1 1 3 1 0 6
297 Chairs and Seats 0 2 2 0 2 6
427 Coating Processes 0 1 2 1 2 6
440 Marine Propulsion 3 0 0 1 2 6
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 1 2 1 0 2 6
030 Cutlery 0 2 2 1 0 5
036 Boots, Shoes, and Leggings 1 0 2 2 0 5
040 Card, Picture, or Sign Exhibiting 2 0 0 0 3 5
042 Firearms 1 1 2 0 1 5
052 Static Structures (e.g., Buildings) 1 1 0 2 1 5
099 Foods and Beverages: Apparatus 1 0 0 3 1 5
250 Radiant Energy 2 1 0 1 1 5
285 Pipe Joints or Couplings 1 2 1 0 1 5
320 Electricity: Battery or Capacitor Charging or Discharging 2 0 0 2 1 5
434 Education and Demonstration 1 1 0 3 0 5
436 Chemistry: Analytical and Immunological Testing 0 1 1 1 2 5
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 3 1 1 5
717 DP: Software Development, Installation, and Management (Data Processing) 0 0 3 1 1 5
004 Baths, Closets, Sinks, and Spittoons 0 1 1 1 1 4
005 Beds 0 0 2 1 1 4
062 Refrigeration 0 1 0 1 2 4
106 Compositions: Coating or Plastic 1 0 1 2 0 4
134 Cleaning and Liquid Contact with Solids 2 1 1 0 0 4
174 Electricity: Conductors and Insulators 0 3 0 0 1 4
211 Supports: Racks 0 1 0 2 1 4
219 Electric Heating 0 0 0 3 1 4
222 Dispensing (apparatus and process) 2 0 0 1 1 4
224 Package and Article Carriers 1 0 2 0 1 4
239 Fluid Sprinkling, Spraying, and Diffusing 0 3 1 0 0 4
310 Electrical Generator or Motor Structure 0 1 1 0 2 4
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 0 0 2 1 4
337 Electricity: Electrothermally or Thermally Actuated Switches 1 0 2 0 1 4
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 0 2 2 0 0 4
379 Telephonic Communications 0 2 1 0 1 4
384 Bearings 3 1 0 0 0 4
415 Rotary Kinetic Fluid Motors or Pumps 1 1 0 1 1 4
417 Pumps 1 0 1 2 0 4
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 1 1 1 1 4
463 Amusement Devices: Games 0 1 1 0 2 4
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 2 1 0 1 4
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 0 0 4 0 4
710 Input/Output (Electrical Computers and Digital Processing Systems) 0 2 1 0 1 4
055 Gas Separation 0 1 1 0 1 3
068 Textiles: Fluid Treating Apparatus 2 0 1 0 0 3
070 Locks 1 1 0 1 0 3
084 Music 2 0 1 0 0 3
123 Internal-Combustion Engines 0 2 0 1 0 3
164 Metal Founding 1 1 1 0 0 3
169 Fire Extinguishers 0 0 1 1 1 3
181 Acoustics 0 1 0 2 0 3
190 Trunks and Hand-Carried Luggage 2 1 0 0 0 3
220 Receptacles 2 0 0 0 1 3
221 Article Dispensing 0 1 0 1 1 3
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 0 1 0 2 3
236 Automatic Temperature and Humidity Regulation 0 0 2 1 0 3
252 Compositions 0 1 0 1 1 3
283 Printed Matter 0 1 2 0 0 3
296 Land Vehicles: Bodies and Tops 0 1 0 0 2 3
330 Amplifiers 1 0 1 1 0 3
375 Pulse or Digital Communications 1 0 2 0 0 3
404 Road Structure, Process, or Apparatus 2 1 0 0 0 3
431 Combustion 0 0 1 1 1 3
441 Buoys, Rafts, and Aquatic Devices 2 1 0 0 0 3
602 Surgery: Splint, Brace, or Bandage 0 2 0 0 1 3
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 3 0 3
714 Error Detection/Correction and Fault Detection/Recovery 0 1 1 0 1 3
037 Excavating 0 0 1 0 1 2
053 Package Making 1 1 0 0 0 2
074 Machine Element or Mechanism 0 1 1 0 0 2
087 Textiles: Braiding, Netting, and Lace Making 0 1 1 0 0 2
096 Gas Separation: Apparatus 0 0 0 1 1 2
102 Ammunition and Explosives 0 0 1 1 0 2
116 Signals and Indicators 0 0 0 2 0 2
138 Pipes and Tubular Conduits 1 0 0 1 0 2
165 Heat Exchange 1 0 0 1 0 2
180 Motor Vehicles 0 0 1 1 0 2
209 Classifying, Separating, and Assorting Solids 0 0 2 0 0 2
242 Winding, Tensioning, or Guiding 1 0 0 0 1 2
261 Gas and Liquid Contact Apparatus 0 0 0 2 0 2
294 Handling: Hand and Hoist-Line Implements 0 0 0 2 0 2
315 Electric Lamp and Discharge Devices: Systems 0 0 0 0 2 2
318 Electricity: Motive Power Systems 0 0 1 1 0 2
324 Electricity: Measuring and Testing 0 0 0 2 0 2
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 0 2 0 0 0 2
380 Cryptography 0 0 0 1 1 2
381 Electrical Audio Signal Processing Systems and Devices 0 1 0 0 1 2
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 1 1 0 2
426 Food or Edible Material: Processes, Compositions, and Products 1 0 1 0 0 2
451 Abrading 1 0 0 0 1 2
482 Exercise Devices 1 0 0 0 1 2
607 Surgery: Light, Thermal, and Electrical Application 0 1 0 1 0 2
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 0 0 2 2
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 0 1 0 1 0 2
007 Compound Hand Tools 0 0 0 1 0 1
016 Miscellaneous Hardware 0 0 0 0 1 1
028 Textiles: Manufacturing 1 0 0 0 0 1
049 Movable or Removable Closures 0 0 1 0 0 1
054 Harness (for animals) 0 1 0 0 0 1
056 Harvesters 1 0 0 0 0 1
059 Chain, Staple, and Horseshoe Making 1 0 0 0 0 1
060 Power Plants 0 1 0 0 0 1
066 Textiles: Knitting 0 0 0 1 0 1
071 Chemistry: Fertilizers 0 0 0 0 1 1
072 Metal Deforming 0 1 0 0 0 1
091 Motors: Expansible Chamber Type 0 1 0 0 0 1
092 Expansible Chamber Devices 0 0 0 1 0 1
095 Gas Separation: Processes 0 0 0 1 0 1
104 Railways 0 1 0 0 0 1
118 Coating Apparatus 0 0 1 0 0 1
122 Liquid Heaters and Vaporizers 0 1 0 0 0 1
126 Stoves and Furnaces 0 0 0 0 1 1
131 Tobacco 0 1 0 0 0 1
132 Toilet 1 0 0 0 0 1
135 Tent, Canopy, Umbrella, or Cane 1 0 0 0 0 1
139 Textiles: Weaving 0 0 0 1 0 1
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 1 0 0 0 0 1
144 Woodworking 0 0 0 1 0 1
148 Metal Treatment 0 0 0 1 0 1
150 Purses, Wallets, and Protective Covers 0 0 0 0 1 1
160 Flexible or Portable Closure, Partition, or Panel 0 1 0 0 0 1
172 Earth Working 1 0 0 0 0 1
178 Telegraphy 1 0 0 0 0 1
182 Fire Escape, Ladder, or Scaffold 1 0 0 0 0 1
188 Brakes 0 0 1 0 0 1
192 Clutches and Power-Stop Control 0 0 1 0 0 1
216 Etching a Substrate: Processes 1 0 0 0 0 1
223 Apparel Apparatus 0 0 1 0 0 1
225 Severing by Tearing or Breaking 0 0 1 0 0 1
237 Heating Systems 1 0 0 0 0 1
249 Static Molds 1 0 0 0 0 1
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 0 0 1 0 1
256 Fences 0 0 0 1 0 1
269 Work Holders 1 0 0 0 0 1
290 Prime-Mover Dynamo Plants 0 0 0 0 1 1
292 Closure Fasteners 0 0 0 0 1 1
299 Mining or In Situ Disintegration of Hard Material 0 0 0 0 1 1
301 Land Vehicles: Wheels and Axles 0 0 0 0 1 1
331 Oscillators 0 1 0 0 0 1
336 Inductor Devices 0 0 0 0 1 1
341 Coded Data Generation or Conversion 0 0 1 0 0 1
358 Facsimile and Static Presentation Processing 0 0 0 1 0 1
363 Electric Power Conversion Systems 0 0 0 0 1 1
366 Agitating (e.g., of articles and materials) 0 1 0 0 0 1
368 Horology: Time Measuring Systems or Devices 0 1 0 0 0 1
369 Dynamic Information Storage or Retrieval 0 0 0 0 1 1
370 Multiplex Communications 0 0 0 0 1 1
374 Thermal Measuring and Testing 0 1 0 0 0 1
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 1 0 0 0 1
378 X-Ray or Gamma Ray Systems or Devices 0 0 0 0 1 1
392 Electric Resistance Heating Devices 0 0 0 0 1 1
396 Photography 0 0 0 1 0 1
399 Electrophotography 0 1 0 0 0 1
405 Hydraulic and Earth Engineering 0 0 1 0 0 1
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 0 0 1 0 1
414 Material or Article Handling 0 0 1 0 0 1
419 Powder Metallurgy Processes 0 0 1 0 0 1
420 Alloys or Metallic Compositions 0 0 0 0 1 1
423 Chemistry of Inorganic Compounds 0 0 1 0 0 1
433 Dentistry 0 1 0 0 0 1
472 Amusement Devices 0 0 1 0 0 1
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 0 1 0 0 1
708 Arithmetic Processing and Calculating (Electrical Computers) 0 1 0 0 0 1
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 0 0 1 1
725 Interactive Video Distribution Systems 0 0 1 0 0 1
ALL ALL CLASSES 249 280 261 320 287 1397



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