U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
073 | Measuring and Testing | 7 | 8 | 18 | 11 | 9 | 53 |
356 | Optics: Measuring and Testing | 3 | 10 | 10 | 15 | 11 | 49 |
424 | Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) | 5 | 9 | 9 | 10 | 10 | 43 |
250 | Radiant Energy | 10 | 8 | 7 | 8 | 6 | 39 |
372 | Coherent Light Generators | 9 | 7 | 5 | 8 | 3 | 32 |
427 | Coating Processes | 0 | 2 | 9 | 11 | 10 | 32 |
359 | Optics: Systems (Including Communication) and Elements | 3 | 5 | 9 | 8 | 6 | 31 |
438 | Semiconductor Device Manufacturing: Process | 2 | 4 | 6 | 6 | 13 | 31 |
333 | Wave Transmission Lines and Networks | 6 | 2 | 12 | 10 | 0 | 30 |
423 | Chemistry of Inorganic Compounds | 8 | 6 | 7 | 5 | 2 | 28 |
428 | Stock Material or Miscellaneous Articles | 4 | 3 | 9 | 7 | 5 | 28 |
435 | Chemistry: Molecular Biology and Microbiology | 2 | 4 | 10 | 4 | 7 | 27 |
128 | Surgery (includes Class 600) | 4 | 6 | 4 | 6 | 6 | 26 |
257 | Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) | 1 | 5 | 9 | 3 | 6 | 24 |
340 | Communications: Electrical | 1 | 3 | 5 | 6 | 8 | 23 |
324 | Electricity: Measuring and Testing | 4 | 5 | 5 | 1 | 4 | 19 |
310 | Electrical Generator or Motor Structure | 3 | 1 | 3 | 10 | 1 | 18 |
060 | Power Plants | 4 | 2 | 3 | 2 | 6 | 17 |
345 | Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems | 5 | 5 | 1 | 4 | 2 | 17 |
385 | Optical Waveguides | 1 | 5 | 4 | 2 | 3 | 15 |
326 | Electronic Digital Logic Circuitry | 4 | 3 | 3 | 2 | 2 | 14 |
429 | Chemistry: Electrical Current Producing Apparatus, Product, and Process | 4 | 4 | 2 | 2 | 2 | 14 |
156 | Adhesive Bonding and Miscellaneous Chemical Manufacture | 2 | 3 | 1 | 3 | 4 | 13 |
252 | Compositions | 1 | 2 | 6 | 3 | 1 | 13 |
361 | Electricity: Electrical Systems and Devices | 5 | 2 | 2 | 3 | 1 | 13 |
606 | Surgery (instruments) | 2 | 1 | 2 | 4 | 4 | 13 |
062 | Refrigeration | 3 | 2 | 1 | 3 | 3 | 12 |
166 | Wells (shafts or deep borings in the earth, e.g., for oil and gas) | 0 | 2 | 5 | 3 | 2 | 12 |
327 | Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems | 2 | 1 | 4 | 1 | 4 | 12 |
342 | Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) | 5 | 4 | 1 | 1 | 1 | 12 |
382 | Image Analysis | 2 | 0 | 6 | 3 | 1 | 12 |
422 | Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing | 1 | 1 | 3 | 5 | 2 | 12 |
501 | Compositions: Ceramic | 0 | 2 | 3 | 5 | 2 | 12 |
280 | Land Vehicles | 3 | 3 | 4 | 0 | 1 | 11 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 1 | 2 | 1 | 3 | 4 | 11 |
532 | Organic Compounds (includes Classes 532-570) | 0 | 1 | 2 | 3 | 5 | 11 |
119 | Animal Husbandry | 0 | 3 | 1 | 4 | 2 | 10 |
204 | Chemistry: Electrical and Wave Energy | 1 | 2 | 0 | 4 | 3 | 10 |
205 | Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions | 4 | 2 | 1 | 1 | 2 | 10 |
052 | Static Structures (e.g., Buildings) | 1 | 1 | 1 | 4 | 2 | 9 |
070 | Locks | 0 | 4 | 1 | 2 | 2 | 9 |
106 | Compositions: Coating or Plastic | 0 | 1 | 1 | 3 | 4 | 9 |
210 | Liquid Purification or Separation | 1 | 3 | 2 | 1 | 2 | 9 |
436 | Chemistry: Analytical and Immunological Testing | 1 | 2 | 3 | 3 | 0 | 9 |
005 | Beds | 4 | 3 | 0 | 1 | 0 | 8 |
024 | Buckles, Buttons, Clasps, Etc. | 1 | 2 | 3 | 0 | 2 | 8 |
029 | Metal Working | 0 | 4 | 2 | 1 | 1 | 8 |
118 | Coating Apparatus | 2 | 1 | 0 | 3 | 2 | 8 |
134 | Cleaning and Liquid Contact with Solids | 1 | 2 | 3 | 1 | 1 | 8 |
219 | Electric Heating | 0 | 2 | 2 | 1 | 3 | 8 |
244 | Aeronautics | 0 | 2 | 4 | 0 | 2 | 8 |
315 | Electric Lamp and Discharge Devices: Systems | 2 | 3 | 2 | 1 | 0 | 8 |
365 | Static Information Storage and Retrieval | 1 | 0 | 0 | 5 | 2 | 8 |
430 | Radiation Imagery Chemistry: Process, Composition, or Product Thereof | 0 | 1 | 4 | 0 | 3 | 8 |
604 | Surgery (Medicators and Receptors) | 2 | 3 | 1 | 1 | 1 | 8 |
700 | DP: Generic Control Systems or Specific Applications (Data Processing) | 3 | 0 | 1 | 2 | 2 | 8 |
095 | Gas Separation: Processes | 1 | 0 | 4 | 1 | 1 | 7 |
137 | Fluid Handling | 1 | 2 | 1 | 1 | 2 | 7 |
165 | Heat Exchange | 1 | 2 | 1 | 1 | 2 | 7 |
175 | Boring or Penetrating the Earth | 1 | 0 | 3 | 1 | 2 | 7 |
239 | Fluid Sprinkling, Spraying, and Diffusing | 0 | 0 | 1 | 3 | 3 | 7 |
313 | Electric Lamp and Discharge Devices | 1 | 1 | 3 | 0 | 2 | 7 |
348 | Television | 2 | 2 | 1 | 1 | 1 | 7 |
378 | X-Ray or Gamma Ray Systems or Devices | 3 | 0 | 0 | 2 | 2 | 7 |
473 | Games Using Tangible Projectile | 2 | 2 | 2 | 1 | 0 | 7 |
701 | DP: Vehicles, Navigation, and Relative Location (Data Processing) | 1 | 2 | 1 | 1 | 2 | 7 |
705 | DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) | 0 | 1 | 2 | 1 | 3 | 7 |
002 | Apparel | 1 | 2 | 0 | 3 | 0 | 6 |
015 | Brushing, Scrubbing, and General Cleaning | 1 | 3 | 1 | 1 | 0 | 6 |
075 | Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures | 0 | 1 | 0 | 1 | 4 | 6 |
081 | Tools | 1 | 2 | 2 | 1 | 0 | 6 |
136 | Batteries: Thermoelectric and Photoelectric | 1 | 0 | 1 | 3 | 1 | 6 |
174 | Electricity: Conductors and Insulators | 0 | 1 | 1 | 1 | 3 | 6 |
216 | Etching a Substrate: Processes | 2 | 0 | 2 | 0 | 2 | 6 |
224 | Package and Article Carriers | 0 | 1 | 1 | 3 | 1 | 6 |
248 | Supports (e.g., for holding articles, etc.) | 0 | 1 | 2 | 2 | 1 | 6 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 0 | 0 | 1 | 1 | 4 | 6 |
367 | Communications, Electrical: Acoustic Wave Systems and Devices | 0 | 1 | 1 | 0 | 4 | 6 |
405 | Hydraulic and Earth Engineering | 0 | 1 | 1 | 1 | 3 | 6 |
414 | Material or Article Handling | 0 | 0 | 0 | 3 | 3 | 6 |
463 | Amusement Devices: Games | 1 | 0 | 2 | 2 | 1 | 6 |
703 | DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) | 0 | 0 | 2 | 2 | 2 | 6 |
707 | DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) | 0 | 1 | 1 | 2 | 2 | 6 |
714 | Error Detection/Correction and Fault Detection/Recovery | 1 | 1 | 1 | 1 | 2 | 6 |
036 | Boots, Shoes, and Leggings | 1 | 0 | 1 | 2 | 1 | 5 |
047 | Plant Husbandry | 2 | 1 | 1 | 0 | 1 | 5 |
082 | Turning (e.g., for metal working) | 0 | 0 | 3 | 2 | 0 | 5 |
096 | Gas Separation: Apparatus | 0 | 0 | 2 | 2 | 1 | 5 |
220 | Receptacles | 1 | 0 | 1 | 1 | 2 | 5 |
307 | Electrical Transmission or Interconnection Systems | 1 | 1 | 1 | 1 | 1 | 5 |
343 | Communications: Radio Wave Antennas | 1 | 0 | 1 | 1 | 2 | 5 |
362 | Illumination | 1 | 1 | 1 | 1 | 1 | 5 |
425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 1 | 2 | 0 | 1 | 1 | 5 |
433 | Dentistry | 0 | 2 | 2 | 0 | 1 | 5 |
434 | Education and Demonstration | 2 | 0 | 1 | 2 | 0 | 5 |
505 | Superconductor Technology: Apparatus, Material, Process | 1 | 1 | 1 | 2 | 0 | 5 |
702 | DP: Measuring, Calibrating, or Testing (Data Processing) | 4 | 0 | 0 | 1 | 0 | 5 |
053 | Package Making | 0 | 2 | 1 | 0 | 1 | 4 |
074 | Machine Element or Mechanism | 0 | 0 | 0 | 2 | 2 | 4 |
102 | Ammunition and Explosives | 0 | 0 | 2 | 2 | 0 | 4 |
148 | Metal Treatment | 0 | 0 | 1 | 2 | 1 | 4 |
267 | Spring Devices | 0 | 1 | 2 | 0 | 1 | 4 |
296 | Land Vehicles: Bodies and Tops | 1 | 2 | 0 | 1 | 0 | 4 |
331 | Oscillators | 0 | 0 | 3 | 1 | 0 | 4 |
349 | Liquid Crystal Cells, Elements and Systems | 1 | 2 | 0 | 1 | 0 | 4 |
351 | Optics: Eye Examining, Vision Testing and Correcting | 0 | 0 | 0 | 2 | 2 | 4 |
373 | Industrial Electric Heating Furnaces | 1 | 1 | 2 | 0 | 0 | 4 |
375 | Pulse or Digital Communications | 1 | 0 | 2 | 1 | 0 | 4 |
376 | Induced Nuclear Reactions: Processes, Systems, and Elements | 0 | 0 | 3 | 1 | 0 | 4 |
439 | Electrical Connectors | 0 | 1 | 1 | 2 | 0 | 4 |
451 | Abrading | 1 | 1 | 1 | 0 | 1 | 4 |
455 | Telecommunications | 1 | 0 | 3 | 0 | 0 | 4 |
482 | Exercise Devices | 0 | 0 | 2 | 0 | 2 | 4 |
588 | Hazardous or Toxic Waste Destruction or Containment | 3 | 1 | 0 | 0 | 0 | 4 |
607 | Surgery: Light, Thermal, and Electrical Application | 1 | 0 | 0 | 2 | 1 | 4 |
708 | Arithmetic Processing and Calculating (Electrical Computers) | 1 | 2 | 0 | 0 | 1 | 4 |
712 | Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) | 0 | 2 | 1 | 0 | 1 | 4 |
004 | Baths, Closets, Sinks, and Spittoons | 0 | 0 | 1 | 1 | 1 | 3 |
014 | Bridges | 0 | 1 | 0 | 1 | 1 | 3 |
037 | Excavating | 2 | 0 | 1 | 0 | 0 | 3 |
054 | Harness (for animals) | 0 | 2 | 0 | 0 | 1 | 3 |
089 | Ordnance | 1 | 1 | 1 | 0 | 0 | 3 |
104 | Railways | 1 | 0 | 1 | 0 | 1 | 3 |
114 | Ships | 0 | 0 | 1 | 2 | 0 | 3 |
117 | Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor | 0 | 0 | 1 | 0 | 2 | 3 |
132 | Toilet | 0 | 1 | 0 | 2 | 0 | 3 |
138 | Pipes and Tubular Conduits | 1 | 0 | 1 | 0 | 1 | 3 |
212 | Traversing Hoists | 0 | 0 | 1 | 1 | 1 | 3 |
242 | Winding, Tensioning, or Guiding | 0 | 1 | 1 | 0 | 1 | 3 |
273 | Amusement Devices: Games | 0 | 0 | 0 | 1 | 2 | 3 |
292 | Closure Fasteners | 2 | 0 | 1 | 0 | 0 | 3 |
323 | Electricity: Power Supply or Regulation Systems | 1 | 0 | 0 | 1 | 1 | 3 |
335 | Electricity: Magnetically Operated Switches, Magnets, and Electromagnets | 0 | 1 | 2 | 0 | 0 | 3 |
355 | Photocopying | 0 | 0 | 0 | 2 | 1 | 3 |
381 | Electrical Audio Signal Processing Systems and Devices | 1 | 1 | 0 | 0 | 1 | 3 |
404 | Road Structure, Process, or Apparatus | 0 | 1 | 1 | 1 | 0 | 3 |
426 | Food or Edible Material: Processes, Compositions, and Products | 0 | 1 | 0 | 2 | 0 | 3 |
431 | Combustion | 1 | 0 | 1 | 1 | 0 | 3 |
454 | Ventilation | 0 | 2 | 0 | 1 | 0 | 3 |
474 | Endless Belt Power Transmission Systems or Components | 1 | 0 | 0 | 2 | 0 | 3 |
516 | Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting | 1 | 1 | 0 | 1 | 0 | 3 |
530 | Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof | 0 | 0 | 0 | 1 | 2 | 3 |
709 | Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) | 0 | 1 | 0 | 1 | 1 | 3 |
713 | Support (Electrical Computers and Digital Processing Systems) | 0 | 0 | 0 | 1 | 2 | 3 |
033 | Geometrical Instruments | 1 | 0 | 0 | 0 | 1 | 2 |
040 | Card, Picture, or Sign Exhibiting | 0 | 0 | 0 | 1 | 1 | 2 |
048 | Gas: Heating and Illuminating | 0 | 1 | 0 | 0 | 1 | 2 |
055 | Gas Separation | 0 | 0 | 1 | 1 | 0 | 2 |
056 | Harvesters | 1 | 0 | 1 | 0 | 0 | 2 |
065 | Glass Manufacturing | 1 | 0 | 0 | 1 | 0 | 2 |
084 | Music | 2 | 0 | 0 | 0 | 0 | 2 |
099 | Foods and Beverages: Apparatus | 1 | 0 | 0 | 0 | 1 | 2 |
108 | Horizontally Supported Planar Surfaces | 0 | 0 | 0 | 1 | 1 | 2 |
116 | Signals and Indicators | 0 | 0 | 1 | 0 | 1 | 2 |
123 | Internal-Combustion Engines | 1 | 1 | 0 | 0 | 0 | 2 |
126 | Stoves and Furnaces | 0 | 1 | 1 | 0 | 0 | 2 |
149 | Explosive and Thermic Compositions or Charges | 0 | 1 | 0 | 1 | 0 | 2 |
177 | Weighing Scales | 0 | 0 | 2 | 0 | 0 | 2 |
188 | Brakes | 1 | 0 | 0 | 0 | 1 | 2 |
202 | Distillation: Apparatus | 0 | 0 | 1 | 1 | 0 | 2 |
206 | Special Receptacle or Package | 1 | 0 | 0 | 1 | 0 | 2 |
208 | Mineral Oils: Processes and Products | 0 | 0 | 1 | 1 | 0 | 2 |
209 | Classifying, Separating, and Assorting Solids | 0 | 1 | 1 | 0 | 0 | 2 |
222 | Dispensing (apparatus and process) | 0 | 1 | 0 | 1 | 0 | 2 |
228 | Metal Fusion Bonding | 0 | 1 | 0 | 1 | 0 | 2 |
235 | Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) | 0 | 0 | 0 | 1 | 1 | 2 |
236 | Automatic Temperature and Humidity Regulation | 0 | 0 | 1 | 1 | 0 | 2 |
256 | Fences | 1 | 0 | 0 | 1 | 0 | 2 |
290 | Prime-Mover Dynamo Plants | 0 | 0 | 0 | 0 | 2 | 2 |
318 | Electricity: Motive Power Systems | 0 | 1 | 1 | 0 | 0 | 2 |
320 | Electricity: Battery or Capacitor Charging or Discharging | 0 | 0 | 0 | 1 | 1 | 2 |
322 | Electricity: Single Generator Systems | 0 | 1 | 1 | 0 | 0 | 2 |
337 | Electricity: Electrothermally or Thermally Actuated Switches | 0 | 0 | 0 | 0 | 2 | 2 |
358 | Facsimile and Static Presentation Processing | 2 | 0 | 0 | 0 | 0 | 2 |
370 | Multiplex Communications | 0 | 0 | 1 | 0 | 1 | 2 |
374 | Thermal Measuring and Testing | 0 | 0 | 1 | 0 | 1 | 2 |
380 | Cryptography | 0 | 1 | 0 | 1 | 0 | 2 |
403 | Joints and Connections | 0 | 1 | 1 | 0 | 0 | 2 |
417 | Pumps | 0 | 0 | 0 | 0 | 2 | 2 |
445 | Electric Lamp or Space Discharge Component or Device Manufacturing | 0 | 0 | 1 | 1 | 0 | 2 |
502 | Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making | 0 | 0 | 0 | 0 | 2 | 2 |
602 | Surgery: Splint, Brace, or Bandage | 0 | 0 | 1 | 0 | 1 | 2 |
623 | Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor | 0 | 0 | 0 | 1 | 1 | 2 |
706 | DP: Artificial Intelligence (Data Processing) | 1 | 1 | 0 | 0 | 0 | 2 |
710 | Input/Output (Electrical Computers and Digital Processing Systems) | 1 | 1 | 0 | 0 | 0 | 2 |
711 | Memory (Electrical Computers and Digital Processing Systems) | 0 | 2 | 0 | 0 | 0 | 2 |
716 | DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) | 1 | 0 | 1 | 0 | 0 | 2 |
001 | ** Classification Undetermined ** | 0 | 0 | 0 | 0 | 1 | 1 |
027 | Undertaking | 0 | 0 | 1 | 0 | 0 | 1 |
028 | Textiles: Manufacturing | 0 | 0 | 0 | 0 | 1 | 1 |
030 | Cutlery | 1 | 0 | 0 | 0 | 0 | 1 |
034 | Drying and Gas or Vapor Contact with Solids | 0 | 0 | 0 | 1 | 0 | 1 |
038 | Textiles: Ironing or Smoothing | 0 | 0 | 0 | 1 | 0 | 1 |
042 | Firearms | 0 | 0 | 0 | 1 | 0 | 1 |
049 | Movable or Removable Closures | 1 | 0 | 0 | 0 | 0 | 1 |
063 | Jewelry | 0 | 1 | 0 | 0 | 0 | 1 |
101 | Printing | 1 | 0 | 0 | 0 | 0 | 1 |
122 | Liquid Heaters and Vaporizers | 0 | 0 | 1 | 0 | 0 | 1 |
124 | Mechanical Guns and Projectors | 0 | 0 | 1 | 0 | 0 | 1 |
135 | Tent, Canopy, Umbrella, or Cane | 0 | 1 | 0 | 0 | 0 | 1 |
144 | Woodworking | 1 | 0 | 0 | 0 | 0 | 1 |
157 | Wheelwright Machines | 0 | 0 | 0 | 0 | 1 | 1 |
162 | Paper Making and Fiber Liberation | 0 | 0 | 0 | 1 | 0 | 1 |
164 | Metal Founding | 0 | 1 | 0 | 0 | 0 | 1 |
171 | Unearthing Plants or Buried Objects | 1 | 0 | 0 | 0 | 0 | 1 |
180 | Motor Vehicles | 0 | 0 | 1 | 0 | 0 | 1 |
184 | Lubrication | 0 | 0 | 1 | 0 | 0 | 1 |
196 | Mineral Oils: Apparatus | 0 | 0 | 1 | 0 | 0 | 1 |
198 | Conveyors: Power-Driven | 1 | 0 | 0 | 0 | 0 | 1 |
200 | Electricity: Circuit Makers and Breakers | 0 | 0 | 1 | 0 | 0 | 1 |
211 | Supports: Racks | 0 | 0 | 0 | 0 | 1 | 1 |
221 | Article Dispensing | 0 | 1 | 0 | 0 | 0 | 1 |
223 | Apparel Apparatus | 0 | 0 | 1 | 0 | 0 | 1 |
254 | Implements or Apparatus for Applying Pushing or Pulling Force | 0 | 0 | 1 | 0 | 0 | 1 |
269 | Work Holders | 0 | 0 | 0 | 0 | 1 | 1 |
279 | Chucks or Sockets | 0 | 0 | 0 | 1 | 0 | 1 |
285 | Pipe Joints or Couplings | 1 | 0 | 0 | 0 | 0 | 1 |
297 | Chairs and Seats | 1 | 0 | 0 | 0 | 0 | 1 |
299 | Mining or In Situ Disintegration of Hard Material | 0 | 0 | 1 | 0 | 0 | 1 |
330 | Amplifiers | 0 | 0 | 0 | 1 | 0 | 1 |
332 | Modulators | 0 | 0 | 1 | 0 | 0 | 1 |
338 | Electrical Resistors | 0 | 0 | 0 | 0 | 1 | 1 |
341 | Coded Data Generation or Conversion | 1 | 0 | 0 | 0 | 0 | 1 |
360 | Dynamic Magnetic Information Storage or Retrieval | 0 | 1 | 0 | 0 | 0 | 1 |
399 | Electrophotography | 0 | 0 | 0 | 0 | 1 | 1 |
401 | Coating Implements with Material Supply | 0 | 0 | 0 | 0 | 1 | 1 |
406 | Conveyors: Fluid Current | 0 | 0 | 0 | 0 | 1 | 1 |
409 | Gear Cutting, Milling, or Planing | 0 | 1 | 0 | 0 | 0 | 1 |
416 | Fluid Reaction Surfaces (i.e., Impellers) | 0 | 0 | 0 | 0 | 1 | 1 |
418 | Rotary Expansible Chamber Devices | 0 | 0 | 0 | 1 | 0 | 1 |
472 | Amusement Devices | 0 | 0 | 0 | 0 | 1 | 1 |
475 | Planetary Gear Transmission Systems or Components | 0 | 1 | 0 | 0 | 0 | 1 |
494 | Imperforate Bowl: Centrifugal Separators | 1 | 0 | 0 | 0 | 0 | 1 |
507 | Earth Boring, Well Treating, and Oil Field Chemistry | 0 | 1 | 0 | 0 | 0 | 1 |
704 | DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) | 0 | 0 | 0 | 0 | 1 | 1 |
717 | DP: Software Development, Installation, and Management (Data Processing) | 0 | 0 | 0 | 0 | 1 | 1 |
800 | Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes | 0 | 0 | 0 | 1 | 0 | 1 |
ALL | ALL CLASSES | 225 | 261 | 343 | 339 | 323 | 1491 |
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/