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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 1998 - 2002 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' )

The following table displays technology classes and counts of associated patents, as distributed by the year of patent grant
Class Class Title 1998 1999 2000 2001 2002 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 8 11 20 8 13 60
367 Communications, Electrical: Acoustic Wave Systems and Devices 14 9 15 10 9 57
114 Ships 16 5 10 8 13 52
428 Stock Material or Miscellaneous Articles 4 8 12 9 8 41
073 Measuring and Testing 12 3 12 3 8 38
361 Electricity: Electrical Systems and Devices 9 5 6 7 4 31
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 6 1 6 8 4 25
356 Optics: Measuring and Testing 4 4 5 8 2 23
435 Chemistry: Molecular Biology and Microbiology 3 6 7 5 2 23
604 Surgery (Medicators and Receptors) 10 5 4 2 2 23
439 Electrical Connectors 3 2 3 7 6 21
227 Elongated-Member-Driving Apparatus 3 5 3 3 6 20
606 Surgery (instruments) 4 7 3 3 3 20
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 1 2 2 8 6 19
277 Seal for a Joint or Juncture 1 6 2 3 5 17
137 Fluid Handling 5 6 3 1 1 16
210 Liquid Purification or Separation 4 3 3 6 0 16
702 DP: Measuring, Calibrating, or Testing (Data Processing) 4 3 2 1 6 16
446 Amusement Devices: Toys 2 2 8 3 0 15
473 Games Using Tangible Projectile 2 3 4 1 5 15
029 Metal Working 2 4 1 3 4 14
206 Special Receptacle or Package 2 3 2 3 3 13
248 Supports (e.g., for holding articles, etc.) 2 4 6 0 1 13
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 7 1 1 1 3 13
340 Communications: Electrical 4 0 4 2 3 13
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 2 2 3 2 4 13
532 Organic Compounds (includes Classes 532-570) 3 5 2 2 1 13
128 Surgery (includes Class 600) 3 2 4 2 1 12
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 1 1 3 6 1 12
343 Communications: Radio Wave Antennas 0 4 4 1 2 11
382 Image Analysis 1 1 4 4 1 11
400 Typewriting Machines 2 3 1 1 4 11
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 3 2 2 4 11
706 DP: Artificial Intelligence (Data Processing) 5 2 2 1 1 11
024 Buckles, Buttons, Clasps, Etc. 3 2 1 2 2 10
081 Tools 0 1 3 6 0 10
089 Ordnance 0 2 2 2 4 10
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 2 1 1 4 2 10
200 Electricity: Circuit Makers and Breakers 4 1 1 4 0 10
280 Land Vehicles 2 1 0 4 3 10
362 Illumination 0 2 4 1 3 10
401 Coating Implements with Material Supply 1 2 4 1 2 10
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 4 1 2 1 2 10
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 2 3 4 0 9
273 Amusement Devices: Games 4 0 2 1 2 9
312 Supports: Cabinet Structure 1 1 1 5 1 9
351 Optics: Eye Examining, Vision Testing and Correcting 1 2 4 1 1 9
359 Optics: Systems (Including Communication) and Elements 2 1 2 2 2 9
385 Optical Waveguides 1 2 3 1 2 9
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 1 0 1 6 1 9
034 Drying and Gas or Vapor Contact with Solids 1 3 1 2 1 8
349 Liquid Crystal Cells, Elements and Systems 2 4 1 1 0 8
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 2 3 2 1 8
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 1 3 2 1 1 8
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 1 1 5 0 1 8
005 Beds 0 2 1 1 3 7
244 Aeronautics 1 3 1 0 2 7
251 Valves and Valve Actuation 0 2 2 2 1 7
297 Chairs and Seats 2 2 0 2 1 7
323 Electricity: Power Supply or Regulation Systems 3 2 0 1 1 7
347 Incremental Printing of Symbolic Information 1 2 2 2 0 7
372 Coherent Light Generators 2 1 1 3 0 7
438 Semiconductor Device Manufacturing: Process 0 1 2 3 1 7
463 Amusement Devices: Games 1 1 0 2 3 7
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 2 1 0 2 2 7
030 Cutlery 2 2 1 0 1 6
062 Refrigeration 1 0 1 2 2 6
119 Animal Husbandry 1 2 1 1 1 6
427 Coating Processes 1 2 1 2 0 6
436 Chemistry: Analytical and Immunological Testing 1 1 1 2 1 6
002 Apparel 1 1 2 0 1 5
004 Baths, Closets, Sinks, and Spittoons 1 1 1 1 1 5
043 Fishing, Trapping, and Vermin Destroying 2 0 2 1 0 5
052 Static Structures (e.g., Buildings) 1 0 2 1 1 5
063 Jewelry 1 1 2 0 1 5
101 Printing 3 0 1 1 0 5
174 Electricity: Conductors and Insulators 3 0 0 1 1 5
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 1 0 3 0 5
211 Supports: Racks 1 0 2 1 1 5
219 Electric Heating 0 0 3 1 1 5
239 Fluid Sprinkling, Spraying, and Diffusing 3 1 0 0 1 5
250 Radiant Energy 1 0 1 1 2 5
310 Electrical Generator or Motor Structure 1 1 0 2 1 5
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 2 2 0 0 1 5
379 Telephonic Communications 2 1 0 1 1 5
440 Marine Propulsion 0 0 1 2 2 5
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 3 1 1 0 5
707 DP: Database and File Management or Data Structures (Data Processing) 2 1 1 1 0 5
717 DP: Software Development, Installation, and Management (Data Processing) 0 3 1 1 0 5
033 Geometrical Instruments 3 0 1 0 0 4
036 Boots, Shoes, and Leggings 0 2 2 0 0 4
040 Card, Picture, or Sign Exhibiting 0 0 0 3 1 4
042 Firearms 1 2 0 1 0 4
096 Gas Separation: Apparatus 0 0 1 1 2 4
099 Foods and Beverages: Apparatus 0 0 3 1 0 4
169 Fire Extinguishers 0 1 1 1 1 4
180 Motor Vehicles 0 1 1 0 2 4
181 Acoustics 1 0 2 0 1 4
221 Article Dispensing 1 0 1 1 1 4
228 Metal Fusion Bonding 1 1 1 1 0 4
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 1 0 2 1 4
252 Compositions 1 0 1 1 1 4
285 Pipe Joints or Couplings 2 1 0 1 0 4
324 Electricity: Measuring and Testing 0 0 2 0 2 4
434 Education and Demonstration 1 0 3 0 0 4
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 1 1 1 0 4
602 Surgery: Splint, Brace, or Bandage 2 0 0 1 1 4
700 DP: Generic Control Systems or Specific Applications (Data Processing) 2 1 0 1 0 4
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 0 3 1 4
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 0 4 0 0 4
710 Input/Output (Electrical Computers and Digital Processing Systems) 2 1 0 1 0 4
714 Error Detection/Correction and Fault Detection/Recovery 1 1 0 1 1 4
055 Gas Separation 1 1 0 1 0 3
070 Locks 1 0 1 0 1 3
106 Compositions: Coating or Plastic 0 1 2 0 0 3
123 Internal-Combustion Engines 2 0 1 0 0 3
134 Cleaning and Liquid Contact with Solids 1 1 0 0 1 3
138 Pipes and Tubular Conduits 0 0 1 0 2 3
165 Heat Exchange 0 0 1 0 2 3
204 Chemistry: Electrical and Wave Energy 0 0 0 3 0 3
209 Classifying, Separating, and Assorting Solids 0 2 0 0 1 3
224 Package and Article Carriers 0 2 0 1 0 3
236 Automatic Temperature and Humidity Regulation 0 2 1 0 0 3
283 Printed Matter 1 2 0 0 0 3
290 Prime-Mover Dynamo Plants 0 0 0 1 2 3
296 Land Vehicles: Bodies and Tops 1 0 0 2 0 3
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 2 1 0 3
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 2 1 0 3
337 Electricity: Electrothermally or Thermally Actuated Switches 0 2 0 1 0 3
341 Coded Data Generation or Conversion 0 1 0 0 2 3
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 2 0 0 0 1 3
375 Pulse or Digital Communications 0 2 0 0 1 3
396 Photography 0 0 1 0 2 3
415 Rotary Kinetic Fluid Motors or Pumps 1 0 1 1 0 3
417 Pumps 0 1 2 0 0 3
431 Combustion 0 1 1 1 0 3
482 Exercise Devices 0 0 0 1 2 3
713 Support (Electrical Computers and Digital Processing Systems) 0 0 3 0 0 3
715 DP: Presentation Processing of Document (Data Processing) 1 0 2 0 0 3
037 Excavating 0 1 0 1 0 2
049 Movable or Removable Closures 0 1 0 0 1 2
071 Chemistry: Fertilizers 0 0 0 1 1 2
074 Machine Element or Mechanism 1 1 0 0 0 2
084 Music 0 1 0 0 1 2
087 Textiles: Braiding, Netting, and Lace Making 1 1 0 0 0 2
091 Motors: Expansible Chamber Type 1 0 0 0 1 2
102 Ammunition and Explosives 0 1 1 0 0 2
116 Signals and Indicators 0 0 2 0 0 2
124 Mechanical Guns and Projectors 0 1 1 0 0 2
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 0 0 0 2 2
164 Metal Founding 1 1 0 0 0 2
222 Dispensing (apparatus and process) 0 0 1 1 0 2
223 Apparel Apparatus 0 1 0 0 1 2
242 Winding, Tensioning, or Guiding 0 0 0 1 1 2
261 Gas and Liquid Contact Apparatus 0 0 2 0 0 2
292 Closure Fasteners 0 0 0 1 1 2
294 Handling: Hand and Hoist-Line Implements 0 0 2 0 0 2
315 Electric Lamp and Discharge Devices: Systems 0 0 0 2 0 2
318 Electricity: Motive Power Systems 0 1 1 0 0 2
330 Amplifiers 0 1 1 0 0 2
358 Facsimile and Static Presentation Processing 0 0 1 0 1 2
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 1 0 0 0 1 2
380 Cryptography 0 0 1 1 0 2
381 Electrical Audio Signal Processing Systems and Devices 1 0 0 1 0 2
384 Bearings 1 0 0 0 1 2
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 0 1 0 1 2
416 Fluid Reaction Surfaces (i.e., Impellers) 0 1 1 0 0 2
441 Buoys, Rafts, and Aquatic Devices 1 0 0 0 1 2
451 Abrading 0 0 0 1 1 2
607 Surgery: Light, Thermal, and Electrical Application 1 0 1 0 0 2
708 Arithmetic Processing and Calculating (Electrical Computers) 1 0 0 0 1 2
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 0 1 1 2
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 1 0 1 0 0 2
007 Compound Hand Tools 0 0 1 0 0 1
016 Miscellaneous Hardware 0 0 0 1 0 1
053 Package Making 1 0 0 0 0 1
054 Harness (for animals) 1 0 0 0 0 1
060 Power Plants 1 0 0 0 0 1
066 Textiles: Knitting 0 0 1 0 0 1
068 Textiles: Fluid Treating Apparatus 0 1 0 0 0 1
072 Metal Deforming 1 0 0 0 0 1
092 Expansible Chamber Devices 0 0 1 0 0 1
095 Gas Separation: Processes 0 0 1 0 0 1
104 Railways 1 0 0 0 0 1
108 Horizontally Supported Planar Surfaces 0 0 0 0 1 1
118 Coating Apparatus 0 1 0 0 0 1
122 Liquid Heaters and Vaporizers 1 0 0 0 0 1
126 Stoves and Furnaces 0 0 0 1 0 1
131 Tobacco 1 0 0 0 0 1
139 Textiles: Weaving 0 0 1 0 0 1
144 Woodworking 0 0 1 0 0 1
148 Metal Treatment 0 0 1 0 0 1
150 Purses, Wallets, and Protective Covers 0 0 0 1 0 1
160 Flexible or Portable Closure, Partition, or Panel 1 0 0 0 0 1
182 Fire Escape, Ladder, or Scaffold 0 0 0 0 1 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 0 0 1 1
188 Brakes 0 1 0 0 0 1
190 Trunks and Hand-Carried Luggage 1 0 0 0 0 1
192 Clutches and Power-Stop Control 0 1 0 0 0 1
198 Conveyors: Power-Driven 0 0 0 0 1 1
220 Receptacles 0 0 0 1 0 1
225 Severing by Tearing or Breaking 0 1 0 0 0 1
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 0 1 0 0 1
256 Fences 0 0 1 0 0 1
266 Metallurgical Apparatus 0 0 0 0 1 1
299 Mining or In Situ Disintegration of Hard Material 0 0 0 1 0 1
301 Land Vehicles: Wheels and Axles 0 0 0 1 0 1
331 Oscillators 1 0 0 0 0 1
336 Inductor Devices 0 0 0 1 0 1
363 Electric Power Conversion Systems 0 0 0 1 0 1
366 Agitating (e.g., of articles and materials) 1 0 0 0 0 1
368 Horology: Time Measuring Systems or Devices 1 0 0 0 0 1
370 Multiplex Communications 0 0 0 1 0 1
374 Thermal Measuring and Testing 1 0 0 0 0 1
378 X-Ray or Gamma Ray Systems or Devices 0 0 0 1 0 1
392 Electric Resistance Heating Devices 0 0 0 1 0 1
399 Electrophotography 1 0 0 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
405 Hydraulic and Earth Engineering 0 1 0 0 0 1
414 Material or Article Handling 0 1 0 0 0 1
419 Powder Metallurgy Processes 0 1 0 0 0 1
420 Alloys or Metallic Compositions 0 0 0 1 0 1
423 Chemistry of Inorganic Compounds 0 1 0 0 0 1
426 Food or Edible Material: Processes, Compositions, and Products 0 1 0 0 0 1
433 Dentistry 1 0 0 0 0 1
472 Amusement Devices 0 1 0 0 0 1
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 0 0 0 1 1
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 0 0 0 1 1
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 0 1 1
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 1 0 0 0 1
725 Interactive Video Distribution Systems 0 1 0 0 0 1
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 0 0 0 1 1
ALL ALL CLASSES 280 261 320 287 260 1408


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U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
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tel: (703) 306-2600
fax: (703) 306-2737
email: oeip@uspto.gov

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