U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
099 | Foods and Beverages: Apparatus | 2 | 7 | 7 | 15 | 7 | 38 |
446 | Amusement Devices: Toys | 4 | 5 | 9 | 8 | 7 | 33 |
402 | Binder Device Releasably Engaging Aperture or Notch of Sheet | 1 | 0 | 10 | 9 | 5 | 25 |
362 | Illumination | 3 | 2 | 5 | 6 | 8 | 24 |
363 | Electric Power Conversion Systems | 4 | 4 | 4 | 6 | 6 | 24 |
015 | Brushing, Scrubbing, and General Cleaning | 4 | 3 | 8 | 0 | 4 | 19 |
431 | Combustion | 3 | 2 | 6 | 3 | 5 | 19 |
132 | Toilet | 6 | 1 | 3 | 4 | 2 | 16 |
310 | Electrical Generator or Motor Structure | 0 | 1 | 5 | 4 | 5 | 15 |
206 | Special Receptacle or Package | 2 | 2 | 3 | 1 | 5 | 13 |
361 | Electricity: Electrical Systems and Devices | 1 | 3 | 3 | 5 | 1 | 13 |
315 | Electric Lamp and Discharge Devices: Systems | 0 | 2 | 1 | 5 | 4 | 12 |
428 | Stock Material or Miscellaneous Articles | 1 | 1 | 2 | 3 | 5 | 12 |
219 | Electric Heating | 0 | 1 | 1 | 2 | 7 | 11 |
396 | Photography | 1 | 2 | 4 | 1 | 3 | 11 |
439 | Electrical Connectors | 3 | 1 | 2 | 3 | 2 | 11 |
273 | Amusement Devices: Games | 1 | 2 | 3 | 2 | 1 | 9 |
369 | Dynamic Information Storage or Retrieval | 0 | 3 | 3 | 0 | 3 | 9 |
002 | Apparel | 2 | 1 | 1 | 3 | 1 | 8 |
345 | Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems | 0 | 1 | 3 | 2 | 2 | 8 |
379 | Telephonic Communications | 1 | 0 | 2 | 1 | 4 | 8 |
424 | Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) | 1 | 1 | 1 | 0 | 5 | 8 |
463 | Amusement Devices: Games | 0 | 1 | 3 | 2 | 2 | 8 |
375 | Pulse or Digital Communications | 1 | 1 | 1 | 3 | 1 | 7 |
532 | Organic Compounds (includes Classes 532-570) | 0 | 0 | 2 | 5 | 0 | 7 |
084 | Music | 1 | 1 | 1 | 2 | 1 | 6 |
435 | Chemistry: Molecular Biology and Microbiology | 0 | 1 | 1 | 2 | 2 | 6 |
473 | Games Using Tangible Projectile | 1 | 0 | 1 | 2 | 2 | 6 |
030 | Cutlery | 2 | 0 | 0 | 2 | 1 | 5 |
040 | Card, Picture, or Sign Exhibiting | 1 | 2 | 0 | 0 | 2 | 5 |
248 | Supports (e.g., for holding articles, etc.) | 3 | 0 | 1 | 1 | 0 | 5 |
368 | Horology: Time Measuring Systems or Devices | 3 | 0 | 0 | 0 | 2 | 5 |
034 | Drying and Gas or Vapor Contact with Solids | 0 | 2 | 1 | 1 | 0 | 4 |
036 | Boots, Shoes, and Leggings | 0 | 0 | 2 | 1 | 1 | 4 |
070 | Locks | 0 | 1 | 0 | 0 | 3 | 4 |
123 | Internal-Combustion Engines | 2 | 1 | 0 | 0 | 1 | 4 |
156 | Adhesive Bonding and Miscellaneous Chemical Manufacture | 0 | 1 | 0 | 1 | 2 | 4 |
200 | Electricity: Circuit Makers and Breakers | 0 | 0 | 1 | 1 | 2 | 4 |
205 | Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions | 1 | 0 | 0 | 1 | 2 | 4 |
222 | Dispensing (apparatus and process) | 0 | 1 | 2 | 1 | 0 | 4 |
257 | Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) | 0 | 0 | 0 | 4 | 0 | 4 |
307 | Electrical Transmission or Interconnection Systems | 1 | 2 | 1 | 0 | 0 | 4 |
340 | Communications: Electrical | 0 | 0 | 1 | 2 | 1 | 4 |
351 | Optics: Eye Examining, Vision Testing and Correcting | 0 | 0 | 0 | 2 | 2 | 4 |
359 | Optics: Systems (Including Communication) and Elements | 0 | 0 | 2 | 2 | 0 | 4 |
380 | Cryptography | 1 | 0 | 2 | 1 | 0 | 4 |
400 | Typewriting Machines | 1 | 0 | 0 | 0 | 3 | 4 |
704 | DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) | 0 | 1 | 1 | 1 | 1 | 4 |
714 | Error Detection/Correction and Fault Detection/Recovery | 0 | 0 | 0 | 1 | 3 | 4 |
005 | Beds | 1 | 0 | 0 | 0 | 2 | 3 |
029 | Metal Working | 1 | 0 | 1 | 1 | 0 | 3 |
043 | Fishing, Trapping, and Vermin Destroying | 0 | 0 | 0 | 2 | 1 | 3 |
101 | Printing | 0 | 0 | 2 | 1 | 0 | 3 |
228 | Metal Fusion Bonding | 0 | 0 | 0 | 1 | 2 | 3 |
250 | Radiant Energy | 1 | 0 | 2 | 0 | 0 | 3 |
280 | Land Vehicles | 0 | 1 | 2 | 0 | 0 | 3 |
343 | Communications: Radio Wave Antennas | 0 | 0 | 1 | 0 | 2 | 3 |
348 | Television | 1 | 1 | 0 | 1 | 0 | 3 |
349 | Liquid Crystal Cells, Elements and Systems | 0 | 0 | 0 | 2 | 1 | 3 |
366 | Agitating (e.g., of articles and materials) | 0 | 0 | 3 | 0 | 0 | 3 |
370 | Multiplex Communications | 0 | 0 | 0 | 1 | 2 | 3 |
383 | Flexible Bags | 1 | 0 | 0 | 1 | 1 | 3 |
392 | Electric Resistance Heating Devices | 0 | 0 | 2 | 1 | 0 | 3 |
403 | Joints and Connections | 1 | 1 | 1 | 0 | 0 | 3 |
423 | Chemistry of Inorganic Compounds | 0 | 0 | 3 | 0 | 0 | 3 |
426 | Food or Edible Material: Processes, Compositions, and Products | 1 | 0 | 1 | 0 | 1 | 3 |
429 | Chemistry: Electrical Current Producing Apparatus, Product, and Process | 1 | 0 | 1 | 0 | 1 | 3 |
451 | Abrading | 1 | 1 | 0 | 0 | 1 | 3 |
455 | Telecommunications | 1 | 0 | 2 | 0 | 0 | 3 |
606 | Surgery (instruments) | 0 | 0 | 0 | 1 | 2 | 3 |
711 | Memory (Electrical Computers and Digital Processing Systems) | 0 | 0 | 1 | 1 | 1 | 3 |
004 | Baths, Closets, Sinks, and Spittoons | 0 | 0 | 2 | 0 | 0 | 2 |
024 | Buckles, Buttons, Clasps, Etc. | 1 | 0 | 0 | 0 | 1 | 2 |
033 | Geometrical Instruments | 1 | 0 | 0 | 0 | 1 | 2 |
038 | Textiles: Ironing or Smoothing | 1 | 0 | 0 | 0 | 1 | 2 |
047 | Plant Husbandry | 0 | 1 | 0 | 1 | 0 | 2 |
053 | Package Making | 0 | 0 | 1 | 1 | 0 | 2 |
081 | Tools | 1 | 0 | 1 | 0 | 0 | 2 |
112 | Sewing | 0 | 0 | 0 | 1 | 1 | 2 |
117 | Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor | 0 | 0 | 0 | 1 | 1 | 2 |
124 | Mechanical Guns and Projectors | 0 | 1 | 1 | 0 | 0 | 2 |
173 | Tool Driving or Impacting | 1 | 0 | 0 | 0 | 1 | 2 |
210 | Liquid Purification or Separation | 1 | 0 | 0 | 0 | 1 | 2 |
211 | Supports: Racks | 1 | 0 | 0 | 0 | 1 | 2 |
239 | Fluid Sprinkling, Spraying, and Diffusing | 1 | 0 | 0 | 0 | 1 | 2 |
241 | Solid Material Comminution or Disintegration | 0 | 1 | 1 | 0 | 0 | 2 |
242 | Winding, Tensioning, or Guiding | 0 | 0 | 0 | 0 | 2 | 2 |
294 | Handling: Hand and Hoist-Line Implements | 0 | 1 | 0 | 0 | 1 | 2 |
320 | Electricity: Battery or Capacitor Charging or Discharging | 0 | 0 | 1 | 0 | 1 | 2 |
323 | Electricity: Power Supply or Regulation Systems | 0 | 0 | 2 | 0 | 0 | 2 |
324 | Electricity: Measuring and Testing | 0 | 1 | 0 | 0 | 1 | 2 |
327 | Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems | 1 | 0 | 0 | 1 | 0 | 2 |
332 | Modulators | 0 | 0 | 0 | 1 | 1 | 2 |
341 | Coded Data Generation or Conversion | 1 | 0 | 0 | 0 | 1 | 2 |
356 | Optics: Measuring and Testing | 0 | 0 | 1 | 0 | 1 | 2 |
358 | Facsimile and Static Presentation Processing | 1 | 0 | 0 | 1 | 0 | 2 |
360 | Dynamic Magnetic Information Storage or Retrieval | 0 | 1 | 1 | 0 | 0 | 2 |
381 | Electrical Audio Signal Processing Systems and Devices | 1 | 0 | 1 | 0 | 0 | 2 |
382 | Image Analysis | 0 | 1 | 0 | 0 | 1 | 2 |
417 | Pumps | 0 | 0 | 0 | 1 | 1 | 2 |
434 | Education and Demonstration | 0 | 1 | 0 | 0 | 1 | 2 |
440 | Marine Propulsion | 2 | 0 | 0 | 0 | 0 | 2 |
707 | DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) | 0 | 0 | 1 | 0 | 1 | 2 |
710 | Input/Output (Electrical Computers and Digital Processing Systems) | 0 | 0 | 1 | 0 | 1 | 2 |
712 | Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) | 0 | 1 | 1 | 0 | 0 | 2 |
713 | Support (Electrical Computers and Digital Processing Systems) | 0 | 1 | 0 | 1 | 0 | 2 |
001 | ** Classification Undetermined ** | 0 | 0 | 1 | 0 | 0 | 1 |
008 | Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers | 1 | 0 | 0 | 0 | 0 | 1 |
012 | Boot and Shoe Making | 0 | 0 | 0 | 1 | 0 | 1 |
054 | Harness (for animals) | 0 | 0 | 1 | 0 | 0 | 1 |
060 | Power Plants | 0 | 0 | 0 | 0 | 1 | 1 |
063 | Jewelry | 0 | 0 | 1 | 0 | 0 | 1 |
072 | Metal Deforming | 0 | 0 | 0 | 0 | 1 | 1 |
073 | Measuring and Testing | 0 | 1 | 0 | 0 | 0 | 1 |
074 | Machine Element or Mechanism | 0 | 0 | 0 | 1 | 0 | 1 |
083 | Cutting | 0 | 1 | 0 | 0 | 0 | 1 |
104 | Railways | 1 | 0 | 0 | 0 | 0 | 1 |
106 | Compositions: Coating or Plastic | 0 | 0 | 0 | 0 | 1 | 1 |
118 | Coating Apparatus | 0 | 0 | 0 | 0 | 1 | 1 |
128 | Surgery (includes Class 600) | 0 | 0 | 0 | 0 | 1 | 1 |
138 | Pipes and Tubular Conduits | 0 | 0 | 1 | 0 | 0 | 1 |
160 | Flexible or Portable Closure, Partition, or Panel | 0 | 0 | 0 | 0 | 1 | 1 |
175 | Boring or Penetrating the Earth | 0 | 0 | 0 | 1 | 0 | 1 |
180 | Motor Vehicles | 0 | 0 | 0 | 0 | 1 | 1 |
187 | Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle | 0 | 0 | 0 | 0 | 1 | 1 |
204 | Chemistry: Electrical and Wave Energy | 0 | 0 | 0 | 0 | 1 | 1 |
208 | Mineral Oils: Processes and Products | 0 | 0 | 1 | 0 | 0 | 1 |
220 | Receptacles | 0 | 0 | 0 | 1 | 0 | 1 |
221 | Article Dispensing | 0 | 0 | 1 | 0 | 0 | 1 |
229 | Envelopes, Wrappers, and Paperboard Boxes | 0 | 0 | 1 | 0 | 0 | 1 |
235 | Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) | 0 | 1 | 0 | 0 | 0 | 1 |
246 | Railway Switches and Signals | 0 | 0 | 0 | 0 | 1 | 1 |
252 | Compositions | 0 | 0 | 0 | 0 | 1 | 1 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 0 | 1 | 0 | 0 | 0 | 1 |
281 | Books, Strips, and Leaves | 0 | 0 | 0 | 1 | 0 | 1 |
292 | Closure Fasteners | 0 | 0 | 1 | 0 | 0 | 1 |
297 | Chairs and Seats | 0 | 1 | 0 | 0 | 0 | 1 |
312 | Supports: Cabinet Structure | 0 | 0 | 0 | 0 | 1 | 1 |
313 | Electric Lamp and Discharge Devices | 0 | 0 | 0 | 1 | 0 | 1 |
318 | Electricity: Motive Power Systems | 0 | 0 | 1 | 0 | 0 | 1 |
331 | Oscillators | 0 | 0 | 0 | 1 | 0 | 1 |
333 | Wave Transmission Lines and Networks | 0 | 0 | 1 | 0 | 0 | 1 |
335 | Electricity: Magnetically Operated Switches, Magnets, and Electromagnets | 0 | 0 | 0 | 1 | 0 | 1 |
336 | Inductor Devices | 0 | 0 | 1 | 0 | 0 | 1 |
338 | Electrical Resistors | 0 | 0 | 1 | 0 | 0 | 1 |
365 | Static Information Storage and Retrieval | 1 | 0 | 0 | 0 | 0 | 1 |
385 | Optical Waveguides | 0 | 0 | 0 | 1 | 0 | 1 |
386 | Television Signal Processing for Dynamic Recording or Reproducing | 0 | 0 | 0 | 0 | 1 | 1 |
408 | Cutting by Use of Rotating Axially Moving Tool | 0 | 0 | 0 | 1 | 0 | 1 |
425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 0 | 0 | 0 | 1 | 0 | 1 |
427 | Coating Processes | 1 | 0 | 0 | 0 | 0 | 1 |
438 | Semiconductor Device Manufacturing: Process | 0 | 0 | 0 | 0 | 1 | 1 |
445 | Electric Lamp or Space Discharge Component or Device Manufacturing | 1 | 0 | 0 | 0 | 0 | 1 |
482 | Exercise Devices | 0 | 0 | 1 | 0 | 0 | 1 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 0 | 1 | 0 | 0 | 0 | 1 |
604 | Surgery (Medicators and Receptors) | 0 | 0 | 1 | 0 | 0 | 1 |
705 | DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) | 0 | 1 | 0 | 0 | 0 | 1 |
709 | Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) | 0 | 0 | 0 | 1 | 0 | 1 |
800 | Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes | 1 | 0 | 0 | 0 | 0 | 1 |
ALL | ALL CLASSES | 88 | 81 | 160 | 155 | 179 | 663 |
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/