U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
438 | Semiconductor Device Manufacturing: Process | 4 | 28 | 21 | 27 | 63 | 143 |
257 | Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) | 5 | 1 | 11 | 7 | 8 | 32 |
439 | Electrical Connectors | 4 | 3 | 5 | 6 | 3 | 21 |
345 | Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems | 1 | 2 | 2 | 9 | 4 | 18 |
327 | Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems | 0 | 0 | 3 | 4 | 10 | 17 |
435 | Chemistry: Molecular Biology and Microbiology | 2 | 0 | 5 | 6 | 2 | 15 |
324 | Electricity: Measuring and Testing | 4 | 1 | 4 | 1 | 3 | 13 |
348 | Television | 0 | 5 | 1 | 1 | 6 | 13 |
356 | Optics: Measuring and Testing | 0 | 0 | 1 | 3 | 8 | 12 |
315 | Electric Lamp and Discharge Devices: Systems | 3 | 4 | 1 | 2 | 1 | 11 |
363 | Electric Power Conversion Systems | 2 | 4 | 1 | 1 | 3 | 11 |
341 | Coded Data Generation or Conversion | 1 | 4 | 3 | 1 | 1 | 10 |
430 | Radiation Imagery Chemistry: Process, Composition, or Product Thereof | 1 | 1 | 2 | 4 | 2 | 10 |
455 | Telecommunications | 2 | 2 | 2 | 0 | 4 | 10 |
361 | Electricity: Electrical Systems and Devices | 4 | 1 | 2 | 1 | 1 | 9 |
375 | Pulse or Digital Communications | 3 | 0 | 3 | 1 | 2 | 9 |
330 | Amplifiers | 0 | 0 | 2 | 2 | 4 | 8 |
340 | Communications: Electrical | 1 | 2 | 1 | 0 | 4 | 8 |
347 | Incremental Printing of Symbolic Information | 3 | 2 | 1 | 2 | 0 | 8 |
370 | Multiplex Communications | 1 | 2 | 0 | 3 | 2 | 8 |
704 | DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) | 1 | 2 | 1 | 2 | 2 | 8 |
166 | Wells (shafts or deep borings in the earth, e.g., for oil and gas) | 3 | 1 | 2 | 0 | 1 | 7 |
250 | Radiant Energy | 1 | 0 | 0 | 2 | 4 | 7 |
365 | Static Information Storage and Retrieval | 0 | 0 | 0 | 5 | 2 | 7 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 0 | 1 | 2 | 1 | 2 | 6 |
424 | Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) | 0 | 1 | 2 | 0 | 3 | 6 |
426 | Food or Edible Material: Processes, Compositions, and Products | 1 | 0 | 3 | 1 | 1 | 6 |
700 | DP: Generic Control Systems or Specific Applications (Data Processing) | 1 | 0 | 2 | 1 | 2 | 6 |
029 | Metal Working | 0 | 1 | 1 | 1 | 2 | 5 |
038 | Textiles: Ironing or Smoothing | 0 | 1 | 1 | 2 | 1 | 5 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 0 | 0 | 1 | 3 | 1 | 5 |
073 | Measuring and Testing | 0 | 0 | 2 | 0 | 2 | 4 |
134 | Cleaning and Liquid Contact with Solids | 1 | 0 | 0 | 0 | 3 | 4 |
271 | Sheet Feeding or Delivering | 0 | 1 | 0 | 0 | 3 | 4 |
318 | Electricity: Motive Power Systems | 1 | 1 | 1 | 1 | 0 | 4 |
331 | Oscillators | 0 | 0 | 1 | 0 | 3 | 4 |
358 | Facsimile and Static Presentation Processing | 2 | 1 | 0 | 1 | 0 | 4 |
381 | Electrical Audio Signal Processing Systems and Devices | 0 | 2 | 0 | 1 | 1 | 4 |
427 | Coating Processes | 1 | 1 | 1 | 1 | 0 | 4 |
429 | Chemistry: Electrical Current Producing Apparatus, Product, and Process | 2 | 0 | 0 | 0 | 2 | 4 |
451 | Abrading | 0 | 1 | 0 | 1 | 2 | 4 |
510 | Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions | 1 | 1 | 0 | 1 | 1 | 4 |
713 | Support (Electrical Computers and Digital Processing Systems) | 1 | 0 | 1 | 1 | 1 | 4 |
714 | Error Detection/Correction and Fault Detection/Recovery | 2 | 1 | 0 | 1 | 0 | 4 |
269 | Work Holders | 0 | 0 | 0 | 1 | 2 | 3 |
379 | Telephonic Communications | 0 | 0 | 3 | 0 | 0 | 3 |
405 | Hydraulic and Earth Engineering | 1 | 0 | 0 | 0 | 2 | 3 |
414 | Material or Article Handling | 0 | 0 | 0 | 1 | 2 | 3 |
425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 2 | 1 | 0 | 0 | 0 | 3 |
428 | Stock Material or Miscellaneous Articles | 1 | 0 | 0 | 1 | 1 | 3 |
707 | DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) | 0 | 1 | 2 | 0 | 0 | 3 |
005 | Beds | 0 | 0 | 1 | 1 | 0 | 2 |
016 | Miscellaneous Hardware | 0 | 1 | 1 | 0 | 0 | 2 |
053 | Package Making | 0 | 1 | 0 | 0 | 1 | 2 |
060 | Power Plants | 1 | 0 | 1 | 0 | 0 | 2 |
062 | Refrigeration | 0 | 0 | 0 | 1 | 1 | 2 |
112 | Sewing | 0 | 0 | 1 | 1 | 0 | 2 |
128 | Surgery (includes Class 600) | 0 | 0 | 1 | 0 | 1 | 2 |
156 | Adhesive Bonding and Miscellaneous Chemical Manufacture | 0 | 0 | 0 | 1 | 1 | 2 |
162 | Paper Making and Fiber Liberation | 0 | 1 | 0 | 1 | 0 | 2 |
198 | Conveyors: Power-Driven | 0 | 0 | 0 | 2 | 0 | 2 |
204 | Chemistry: Electrical and Wave Energy | 0 | 0 | 0 | 0 | 2 | 2 |
216 | Etching a Substrate: Processes | 1 | 0 | 0 | 1 | 0 | 2 |
228 | Metal Fusion Bonding | 0 | 1 | 0 | 1 | 0 | 2 |
281 | Books, Strips, and Leaves | 0 | 0 | 0 | 1 | 1 | 2 |
297 | Chairs and Seats | 0 | 0 | 1 | 0 | 1 | 2 |
310 | Electrical Generator or Motor Structure | 0 | 0 | 0 | 1 | 1 | 2 |
320 | Electricity: Battery or Capacitor Charging or Discharging | 2 | 0 | 0 | 0 | 0 | 2 |
323 | Electricity: Power Supply or Regulation Systems | 2 | 0 | 0 | 0 | 0 | 2 |
342 | Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) | 0 | 0 | 0 | 1 | 1 | 2 |
360 | Dynamic Magnetic Information Storage or Retrieval | 0 | 0 | 1 | 1 | 0 | 2 |
369 | Dynamic Information Storage or Retrieval | 0 | 0 | 0 | 1 | 1 | 2 |
382 | Image Analysis | 0 | 0 | 0 | 1 | 1 | 2 |
402 | Binder Device Releasably Engaging Aperture or Notch of Sheet | 0 | 0 | 0 | 0 | 2 | 2 |
441 | Buoys, Rafts, and Aquatic Devices | 0 | 1 | 0 | 0 | 1 | 2 |
474 | Endless Belt Power Transmission Systems or Components | 0 | 0 | 1 | 0 | 1 | 2 |
532 | Organic Compounds (includes Classes 532-570) | 0 | 0 | 1 | 0 | 1 | 2 |
705 | DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) | 1 | 0 | 0 | 0 | 1 | 2 |
708 | Arithmetic Processing and Calculating (Electrical Computers) | 0 | 0 | 1 | 1 | 0 | 2 |
709 | Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) | 0 | 0 | 1 | 0 | 1 | 2 |
710 | Input/Output (Electrical Computers and Digital Processing Systems) | 0 | 1 | 0 | 0 | 1 | 2 |
717 | DP: Software Development, Installation, and Management (Data Processing) | 0 | 0 | 0 | 2 | 0 | 2 |
001 | ** Classification Undetermined ** | 0 | 0 | 0 | 0 | 1 | 1 |
004 | Baths, Closets, Sinks, and Spittoons | 1 | 0 | 0 | 0 | 0 | 1 |
024 | Buckles, Buttons, Clasps, Etc. | 1 | 0 | 0 | 0 | 0 | 1 |
027 | Undertaking | 0 | 0 | 1 | 0 | 0 | 1 |
030 | Cutlery | 0 | 0 | 0 | 1 | 0 | 1 |
033 | Geometrical Instruments | 0 | 0 | 0 | 0 | 1 | 1 |
036 | Boots, Shoes, and Leggings | 0 | 0 | 0 | 1 | 0 | 1 |
040 | Card, Picture, or Sign Exhibiting | 0 | 1 | 0 | 0 | 0 | 1 |
044 | Fuel and Related Compositions | 0 | 1 | 0 | 0 | 0 | 1 |
051 | Abrasive Tool Making Process, Material, or Composition | 0 | 0 | 0 | 1 | 0 | 1 |
070 | Locks | 0 | 0 | 0 | 1 | 0 | 1 |
074 | Machine Element or Mechanism | 0 | 1 | 0 | 0 | 0 | 1 |
075 | Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures | 0 | 0 | 0 | 0 | 1 | 1 |
082 | Turning (e.g., for metal working) | 0 | 0 | 0 | 0 | 1 | 1 |
084 | Music | 0 | 0 | 0 | 0 | 1 | 1 |
101 | Printing | 0 | 0 | 0 | 0 | 1 | 1 |
106 | Compositions: Coating or Plastic | 0 | 0 | 1 | 0 | 0 | 1 |
114 | Ships | 1 | 0 | 0 | 0 | 0 | 1 |
118 | Coating Apparatus | 1 | 0 | 0 | 0 | 0 | 1 |
123 | Internal-Combustion Engines | 0 | 0 | 0 | 1 | 0 | 1 |
140 | Wireworking | 0 | 0 | 1 | 0 | 0 | 1 |
141 | Fluent Material Handling, with Receiver or Receiver Coacting Means | 0 | 0 | 1 | 0 | 0 | 1 |
148 | Metal Treatment | 1 | 0 | 0 | 0 | 0 | 1 |
165 | Heat Exchange | 0 | 0 | 0 | 0 | 1 | 1 |
174 | Electricity: Conductors and Insulators | 0 | 0 | 0 | 1 | 0 | 1 |
178 | Telegraphy | 0 | 1 | 0 | 0 | 0 | 1 |
180 | Motor Vehicles | 0 | 0 | 0 | 1 | 0 | 1 |
181 | Acoustics | 0 | 1 | 0 | 0 | 0 | 1 |
184 | Lubrication | 0 | 0 | 1 | 0 | 0 | 1 |
187 | Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle | 1 | 0 | 0 | 0 | 0 | 1 |
200 | Electricity: Circuit Makers and Breakers | 0 | 1 | 0 | 0 | 0 | 1 |
205 | Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions | 1 | 0 | 0 | 0 | 0 | 1 |
209 | Classifying, Separating, and Assorting Solids | 0 | 0 | 0 | 0 | 1 | 1 |
210 | Liquid Purification or Separation | 0 | 0 | 0 | 0 | 1 | 1 |
219 | Electric Heating | 0 | 0 | 0 | 1 | 0 | 1 |
220 | Receptacles | 0 | 0 | 0 | 1 | 0 | 1 |
222 | Dispensing (apparatus and process) | 0 | 0 | 0 | 0 | 1 | 1 |
229 | Envelopes, Wrappers, and Paperboard Boxes | 0 | 0 | 0 | 0 | 1 | 1 |
235 | Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) | 1 | 0 | 0 | 0 | 0 | 1 |
239 | Fluid Sprinkling, Spraying, and Diffusing | 0 | 0 | 1 | 0 | 0 | 1 |
242 | Winding, Tensioning, or Guiding | 0 | 0 | 0 | 0 | 1 | 1 |
248 | Supports (e.g., for holding articles, etc.) | 0 | 0 | 0 | 0 | 1 | 1 |
252 | Compositions | 1 | 0 | 0 | 0 | 0 | 1 |
280 | Land Vehicles | 1 | 0 | 0 | 0 | 0 | 1 |
285 | Pipe Joints or Couplings | 1 | 0 | 0 | 0 | 0 | 1 |
294 | Handling: Hand and Hoist-Line Implements | 0 | 0 | 0 | 1 | 0 | 1 |
326 | Electronic Digital Logic Circuitry | 0 | 0 | 0 | 0 | 1 | 1 |
335 | Electricity: Magnetically Operated Switches, Magnets, and Electromagnets | 0 | 1 | 0 | 0 | 0 | 1 |
343 | Communications: Radio Wave Antennas | 0 | 0 | 0 | 0 | 1 | 1 |
353 | Optics: Image Projectors | 0 | 0 | 0 | 0 | 1 | 1 |
362 | Illumination | 0 | 0 | 0 | 0 | 1 | 1 |
366 | Agitating (e.g., of articles and materials) | 0 | 0 | 0 | 1 | 0 | 1 |
377 | Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems | 0 | 0 | 0 | 0 | 1 | 1 |
384 | Bearings | 0 | 0 | 1 | 0 | 0 | 1 |
385 | Optical Waveguides | 0 | 0 | 0 | 1 | 0 | 1 |
386 | Television Signal Processing for Dynamic Recording or Reproducing | 0 | 0 | 1 | 0 | 0 | 1 |
400 | Typewriting Machines | 1 | 0 | 0 | 0 | 0 | 1 |
401 | Coating Implements with Material Supply | 0 | 0 | 0 | 0 | 1 | 1 |
412 | Bookbinding: Process and Apparatus | 0 | 0 | 0 | 0 | 1 | 1 |
417 | Pumps | 0 | 0 | 0 | 0 | 1 | 1 |
419 | Powder Metallurgy Processes | 0 | 0 | 1 | 0 | 0 | 1 |
433 | Dentistry | 0 | 1 | 0 | 0 | 0 | 1 |
434 | Education and Demonstration | 1 | 0 | 0 | 0 | 0 | 1 |
436 | Chemistry: Analytical and Immunological Testing | 0 | 0 | 0 | 1 | 0 | 1 |
454 | Ventilation | 1 | 0 | 0 | 0 | 0 | 1 |
475 | Planetary Gear Transmission Systems or Components | 1 | 0 | 0 | 0 | 0 | 1 |
601 | Surgery: Kinesitherapy | 1 | 0 | 0 | 0 | 0 | 1 |
606 | Surgery (instruments) | 0 | 0 | 1 | 0 | 0 | 1 |
607 | Surgery: Light, Thermal, and Electrical Application | 1 | 0 | 0 | 0 | 0 | 1 |
623 | Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor | 0 | 0 | 0 | 1 | 0 | 1 |
701 | DP: Vehicles, Navigation, and Relative Location (Data Processing) | 0 | 0 | 1 | 0 | 0 | 1 |
702 | DP: Measuring, Calibrating, or Testing (Data Processing) | 0 | 0 | 0 | 1 | 0 | 1 |
706 | DP: Artificial Intelligence (Data Processing) | 1 | 0 | 0 | 0 | 0 | 1 |
711 | Memory (Electrical Computers and Digital Processing Systems) | 0 | 0 | 0 | 1 | 0 | 1 |
800 | Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes | 0 | 0 | 1 | 0 | 0 | 1 |
ALL | ALL CLASSES | 88 | 94 | 120 | 144 | 218 | 664 |
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/