U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
532 | Organic Compounds (includes Classes 532-570) | 7 | 13 | 20 | 28 | 25 | 93 |
424 | Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) | 5 | 7 | 15 | 23 | 36 | 86 |
435 | Chemistry: Molecular Biology and Microbiology | 4 | 4 | 8 | 6 | 6 | 28 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 2 | 2 | 6 | 6 | 3 | 19 |
502 | Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making | 1 | 1 | 3 | 4 | 7 | 16 |
585 | Chemistry of Hydrocarbon Compounds | 0 | 1 | 3 | 2 | 5 | 11 |
326 | Electronic Digital Logic Circuitry | 2 | 2 | 2 | 1 | 1 | 8 |
510 | Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions | 0 | 0 | 1 | 5 | 2 | 8 |
623 | Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor | 0 | 0 | 3 | 2 | 1 | 6 |
327 | Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems | 1 | 2 | 0 | 0 | 2 | 5 |
365 | Static Information Storage and Retrieval | 0 | 1 | 0 | 1 | 3 | 5 |
422 | Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing | 0 | 0 | 0 | 2 | 3 | 5 |
505 | Superconductor Technology: Apparatus, Material, Process | 1 | 0 | 0 | 1 | 3 | 5 |
208 | Mineral Oils: Processes and Products | 0 | 0 | 1 | 2 | 1 | 4 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 1 | 3 | 0 | 0 | 0 | 4 |
423 | Chemistry of Inorganic Compounds | 0 | 0 | 1 | 2 | 1 | 4 |
427 | Coating Processes | 1 | 0 | 0 | 2 | 1 | 4 |
051 | Abrasive Tool Making Process, Material, or Composition | 0 | 0 | 1 | 2 | 0 | 3 |
123 | Internal-Combustion Engines | 0 | 0 | 0 | 1 | 2 | 3 |
324 | Electricity: Measuring and Testing | 0 | 0 | 2 | 1 | 0 | 3 |
426 | Food or Edible Material: Processes, Compositions, and Products | 0 | 0 | 2 | 0 | 1 | 3 |
428 | Stock Material or Miscellaneous Articles | 0 | 0 | 2 | 0 | 1 | 3 |
501 | Compositions: Ceramic | 0 | 1 | 1 | 0 | 1 | 3 |
508 | Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions | 0 | 0 | 1 | 2 | 0 | 3 |
075 | Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures | 0 | 0 | 0 | 0 | 2 | 2 |
128 | Surgery (includes Class 600) | 0 | 0 | 0 | 0 | 2 | 2 |
148 | Metal Treatment | 0 | 0 | 0 | 2 | 0 | 2 |
219 | Electric Heating | 0 | 0 | 1 | 0 | 1 | 2 |
252 | Compositions | 0 | 0 | 0 | 0 | 2 | 2 |
315 | Electric Lamp and Discharge Devices: Systems | 0 | 0 | 0 | 1 | 1 | 2 |
323 | Electricity: Power Supply or Regulation Systems | 0 | 1 | 0 | 0 | 1 | 2 |
382 | Image Analysis | 1 | 0 | 1 | 0 | 0 | 2 |
429 | Chemistry: Electrical Current Producing Apparatus, Product, and Process | 0 | 1 | 1 | 0 | 0 | 2 |
432 | Heating | 0 | 0 | 1 | 1 | 0 | 2 |
606 | Surgery (instruments) | 0 | 0 | 1 | 1 | 0 | 2 |
709 | Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) | 0 | 0 | 0 | 1 | 1 | 2 |
712 | Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) | 0 | 0 | 0 | 1 | 1 | 2 |
002 | Apparel | 0 | 0 | 0 | 1 | 0 | 1 |
008 | Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers | 0 | 0 | 1 | 0 | 0 | 1 |
015 | Brushing, Scrubbing, and General Cleaning | 1 | 0 | 0 | 0 | 0 | 1 |
016 | Miscellaneous Hardware | 0 | 0 | 0 | 1 | 0 | 1 |
052 | Static Structures (e.g., Buildings) | 1 | 0 | 0 | 0 | 0 | 1 |
062 | Refrigeration | 0 | 0 | 0 | 1 | 0 | 1 |
065 | Glass Manufacturing | 0 | 1 | 0 | 0 | 0 | 1 |
073 | Measuring and Testing | 0 | 0 | 0 | 0 | 1 | 1 |
084 | Music | 1 | 0 | 0 | 0 | 0 | 1 |
099 | Foods and Beverages: Apparatus | 0 | 1 | 0 | 0 | 0 | 1 |
100 | Presses | 0 | 0 | 0 | 1 | 0 | 1 |
122 | Liquid Heaters and Vaporizers | 0 | 0 | 0 | 0 | 1 | 1 |
149 | Explosive and Thermic Compositions or Charges | 0 | 0 | 0 | 0 | 1 | 1 |
169 | Fire Extinguishers | 1 | 0 | 0 | 0 | 0 | 1 |
204 | Chemistry: Electrical and Wave Energy | 0 | 0 | 0 | 1 | 0 | 1 |
210 | Liquid Purification or Separation | 0 | 0 | 0 | 0 | 1 | 1 |
222 | Dispensing (apparatus and process) | 0 | 0 | 0 | 0 | 1 | 1 |
226 | Advancing Material of Indeterminate Length | 0 | 0 | 1 | 0 | 0 | 1 |
236 | Automatic Temperature and Humidity Regulation | 0 | 0 | 0 | 1 | 0 | 1 |
239 | Fluid Sprinkling, Spraying, and Diffusing | 0 | 1 | 0 | 0 | 0 | 1 |
266 | Metallurgical Apparatus | 0 | 0 | 0 | 1 | 0 | 1 |
299 | Mining or In Situ Disintegration of Hard Material | 0 | 0 | 1 | 0 | 0 | 1 |
310 | Electrical Generator or Motor Structure | 1 | 0 | 0 | 0 | 0 | 1 |
318 | Electricity: Motive Power Systems | 0 | 1 | 0 | 0 | 0 | 1 |
341 | Coded Data Generation or Conversion | 0 | 1 | 0 | 0 | 0 | 1 |
343 | Communications: Radio Wave Antennas | 1 | 0 | 0 | 0 | 0 | 1 |
345 | Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems | 1 | 0 | 0 | 0 | 0 | 1 |
358 | Facsimile and Static Presentation Processing | 0 | 1 | 0 | 0 | 0 | 1 |
359 | Optics: Systems (Including Communication) and Elements | 0 | 0 | 1 | 0 | 0 | 1 |
362 | Illumination | 0 | 0 | 1 | 0 | 0 | 1 |
368 | Horology: Time Measuring Systems or Devices | 1 | 0 | 0 | 0 | 0 | 1 |
370 | Multiplex Communications | 0 | 0 | 1 | 0 | 0 | 1 |
372 | Coherent Light Generators | 0 | 0 | 0 | 0 | 1 | 1 |
379 | Telephonic Communications | 0 | 0 | 0 | 0 | 1 | 1 |
384 | Bearings | 1 | 0 | 0 | 0 | 0 | 1 |
385 | Optical Waveguides | 0 | 0 | 1 | 0 | 0 | 1 |
405 | Hydraulic and Earth Engineering | 0 | 0 | 0 | 0 | 1 | 1 |
406 | Conveyors: Fluid Current | 0 | 0 | 0 | 0 | 1 | 1 |
425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 0 | 0 | 0 | 0 | 1 | 1 |
438 | Semiconductor Device Manufacturing: Process | 0 | 0 | 0 | 1 | 0 | 1 |
442 | Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) | 0 | 0 | 0 | 0 | 1 | 1 |
470 | Threaded, Headed Fastener, or Washer Making: Process and Apparatus | 0 | 0 | 0 | 1 | 0 | 1 |
472 | Amusement Devices | 0 | 0 | 0 | 0 | 1 | 1 |
482 | Exercise Devices | 0 | 0 | 0 | 1 | 0 | 1 |
530 | Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof | 0 | 1 | 0 | 0 | 0 | 1 |
700 | DP: Generic Control Systems or Specific Applications (Data Processing) | 0 | 1 | 0 | 0 | 0 | 1 |
702 | DP: Measuring, Calibrating, or Testing (Data Processing) | 0 | 0 | 0 | 0 | 1 | 1 |
703 | DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) | 0 | 0 | 0 | 0 | 1 | 1 |
705 | DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) | 0 | 0 | 0 | 1 | 0 | 1 |
707 | DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) | 0 | 0 | 1 | 0 | 0 | 1 |
714 | Error Detection/Correction and Fault Detection/Recovery | 0 | 0 | 0 | 0 | 1 | 1 |
717 | DP: Software Development, Installation, and Management (Data Processing) | 0 | 0 | 0 | 1 | 0 | 1 |
ALL | ALL CLASSES | 35 | 47 | 85 | 112 | 131 | 410 |
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/