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Rank Ordered Listing of Technology Classes Receiving
1
or More Utility Patents During the Period
Originating From
IOWA
( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to a patent- see 'Explanation of Data' )
( some classes have been combined together under a single class identifier )
| Class | Class Title | 2011 | 2012 | 2013 | 2014 | 2015 | Total |
|---|---|---|---|---|---|---|---|
| 800 | Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes | 173 | 209 | 223 | 187 | 191 | 983 |
| 701 | DP: Vehicles, Navigation, and Relative Location (Data Processing) | 21 | 34 | 41 | 43 | 50 | 189 |
| 424 | Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) | 18 | 26 | 20 | 37 | 29 | 130 |
| 052 | Static Structures (e.g., Buildings) | 16 | 15 | 20 | 20 | 22 | 93 |
| 455 | Telecommunications | 15 | 9 | 22 | 24 | 18 | 88 |
| 435 | Chemistry: Molecular Biology and Microbiology | 25 | 14 | 10 | 23 | 14 | 86 |
| 180 | Motor Vehicles | 14 | 7 | 24 | 16 | 15 | 76 |
| 060 | Power Plants | 13 | 12 | 10 | 18 | 17 | 70 |
| 342 | Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) | 15 | 11 | 12 | 15 | 15 | 68 |
| 532 | Organic Compounds (includes Classes 532-570) | 14 | 15 | 11 | 11 | 16 | 67 |
| 340 | Communications: Electrical | 5 | 9 | 20 | 12 | 18 | 64 |
| 370 | Multiplex Communications | 20 | 8 | 10 | 16 | 10 | 64 |
| 251 | Valves and Valve Actuation | 10 | 10 | 7 | 18 | 17 | 62 |
| 056 | Harvesters | 12 | 15 | 8 | 10 | 11 | 56 |
| 362 | Illumination | 11 | 10 | 9 | 18 | 8 | 56 |
| 137 | Fluid Handling | 6 | 12 | 12 | 8 | 15 | 53 |
| 343 | Communications: Radio Wave Antennas | 10 | 11 | 15 | 9 | 5 | 50 |
| 280 | Land Vehicles | 11 | 9 | 13 | 5 | 11 | 49 |
| 705 | DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) | 10 | 10 | 16 | 7 | 4 | 47 |
| 172 | Earth Working | 6 | 13 | 9 | 11 | 7 | 46 |
| 414 | Material or Article Handling | 5 | 6 | 7 | 8 | 20 | 46 |
| 361 | Electricity: Electrical Systems and Devices | 10 | 12 | 5 | 9 | 6 | 42 |
| 345 | Computer Graphics Processing and Selective Visual Display Systems | 4 | 10 | 4 | 11 | 11 | 40 |
| 198 | Conveyors: Power-Driven | 8 | 6 | 9 | 6 | 8 | 37 |
| 700 | DP: Generic Control Systems or Specific Applications (Data Processing) | 6 | 3 | 8 | 8 | 12 | 37 |
| 062 | Refrigeration | 14 | 4 | 4 | 6 | 8 | 36 |
| 382 | Image Analysis | 5 | 6 | 11 | 6 | 8 | 36 |
| 709 | Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) | 9 | 1 | 5 | 9 | 12 | 36 |
| 029 | Metal Working | 6 | 5 | 8 | 7 | 9 | 35 |
| 241 | Solid Material Comminution or Disintegration | 8 | 9 | 8 | 6 | 4 | 35 |
| 375 | Pulse or Digital Communications | 9 | 8 | 11 | 3 | 4 | 35 |
| 330 | Amplifiers | 8 | 9 | 6 | 2 | 9 | 34 |
| 111 | Planting | 5 | 4 | 7 | 13 | 3 | 32 |
| 239 | Fluid Sprinkling, Spraying, and Diffusing | 4 | 6 | 7 | 10 | 5 | 32 |
| 702 | DP: Measuring, Calibrating, or Testing (Data Processing) | 6 | 4 | 6 | 7 | 7 | 30 |
| 312 | Supports: Cabinet Structure | 6 | 5 | 9 | 4 | 5 | 29 |
| 248 | Supports (e.g., for holding articles, etc.) | 6 | 4 | 6 | 6 | 6 | 28 |
| 315 | Electric Lamp and Discharge Devices: Systems | 3 | 4 | 6 | 5 | 7 | 25 |
| 296 | Land Vehicles: Bodies and Tops | 4 | 7 | 5 | 5 | 3 | 24 |
| 123 | Internal-Combustion Engines | 4 | 4 | 7 | 5 | 3 | 23 |
| 428 | Stock Material or Miscellaneous Articles | 5 | 5 | 6 | 5 | 2 | 23 |
| 707 | DP: Database and File Management or Data Structures (Data Processing) | 2 | 1 | 3 | 11 | 5 | 22 |
| 073 | Measuring and Testing | 8 | 1 | 4 | 5 | 3 | 21 |
| 074 | Machine Element or Mechanism | 3 | 4 | 4 | 3 | 7 | 21 |
| 200 | Electricity: Circuit Makers and Breakers | 2 | 5 | 5 | 5 | 4 | 21 |
| 209 | Classifying, Separating, and Assorting Solids | 3 | 1 | 2 | 8 | 6 | 20 |
| 530 | Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof | 3 | 4 | 8 | 5 | 0 | 20 |
| 033 | Geometrical Instruments | 6 | 3 | 2 | 6 | 2 | 19 |
| 100 | Presses | 2 | 5 | 3 | 4 | 5 | 19 |
| 297 | Chairs and Seats | 3 | 5 | 1 | 3 | 7 | 19 |
| 460 | Crop Threshing or Separating | 3 | 7 | 1 | 3 | 5 | 19 |
| 220 | Receptacles | 3 | 1 | 2 | 4 | 8 | 18 |
| 348 | Television | 2 | 4 | 3 | 7 | 2 | 18 |
| 426 | Food or Edible Material: Processes, Compositions, and Products | 4 | 3 | 1 | 4 | 6 | 18 |
| 128 | Surgery (includes Class 600) | 2 | 4 | 4 | 2 | 5 | 17 |
| 463 | Amusement Devices: Games | 2 | 2 | 6 | 4 | 3 | 17 |
| 725 | Interactive Video Distribution Systems | 2 | 9 | 2 | 2 | 2 | 17 |
| 037 | Excavating | 3 | 2 | 4 | 4 | 3 | 16 |
| 047 | Plant Husbandry | 5 | 4 | 2 | 1 | 4 | 16 |
| 156 | Adhesive Bonding and Miscellaneous Chemical Manufacture | 2 | 5 | 5 | 3 | 1 | 16 |
| 292 | Closure Fasteners | 4 | 3 | 4 | 3 | 2 | 16 |
| 417 | Pumps | 2 | 4 | 5 | 4 | 1 | 16 |
| 726 | Information Security | 0 | 2 | 2 | 5 | 7 | 16 |
| 160 | Flexible or Portable Closure, Partition, or Panel | 1 | 4 | 3 | 3 | 4 | 15 |
| 324 | Electricity: Measuring and Testing | 4 | 3 | 1 | 3 | 4 | 15 |
| 452 | Butchering | 2 | 1 | 7 | 3 | 2 | 15 |
| 607 | Surgery: Light, Thermal, and Electrical Application | 1 | 5 | 1 | 5 | 3 | 15 |
| 713 | Support (Electrical Computers and Digital Processing Systems) | 2 | 3 | 1 | 5 | 4 | 15 |
| 034 | Drying and Gas or Vapor Contact with Solids | 2 | 6 | 1 | 5 | 0 | 14 |
| 379 | Telephonic Communications | 4 | 3 | 2 | 3 | 2 | 14 |
| 404 | Road Structure, Process, or Apparatus | 5 | 2 | 3 | 1 | 3 | 14 |
| 219 | Electric Heating | 2 | 4 | 2 | 4 | 1 | 13 |
| 250 | Radiant Energy | 2 | 2 | 1 | 1 | 7 | 13 |
| 403 | Joints and Connections | 2 | 0 | 2 | 3 | 6 | 13 |
| 434 | Education and Demonstration | 2 | 0 | 2 | 5 | 4 | 13 |
| 715 | DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) | 1 | 3 | 3 | 2 | 4 | 13 |
| 043 | Fishing, Trapping, and Vermin Destroying | 2 | 1 | 4 | 2 | 3 | 12 |
| 473 | Games Using Tangible Projectile | 2 | 2 | 3 | 3 | 2 | 12 |
| 119 | Animal Husbandry | 3 | 1 | 1 | 1 | 5 | 11 |
| 138 | Pipes and Tubular Conduits | 2 | 1 | 4 | 1 | 3 | 11 |
| 174 | Electricity: Conductors and Insulators | 2 | 1 | 3 | 2 | 3 | 11 |
| 235 | Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) | 6 | 2 | 1 | 0 | 2 | 11 |
| 327 | Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems | 0 | 2 | 2 | 3 | 4 | 11 |
| 335 | Electricity: Magnetically Operated Switches, Magnets, and Electromagnets | 4 | 4 | 2 | 1 | 0 | 11 |
| 422 | Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing | 2 | 3 | 1 | 2 | 3 | 11 |
| 520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 2 | 1 | 2 | 2 | 4 | 11 |
| 036 | Boots, Shoes, and Leggings | 4 | 1 | 0 | 3 | 2 | 10 |
| 049 | Movable or Removable Closures | 0 | 2 | 2 | 4 | 2 | 10 |
| 072 | Metal Deforming | 0 | 2 | 4 | 1 | 3 | 10 |
| 124 | Mechanical Guns and Projectors | 0 | 1 | 3 | 4 | 2 | 10 |
| 144 | Woodworking | 4 | 2 | 1 | 1 | 2 | 10 |
| 405 | Hydraulic and Earth Engineering | 3 | 2 | 2 | 2 | 1 | 10 |
| 439 | Electrical Connectors | 3 | 2 | 2 | 1 | 2 | 10 |
| 518 | Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof | 2 | 3 | 2 | 1 | 2 | 10 |
| 040 | Card, Picture, or Sign Exhibiting | 1 | 2 | 1 | 3 | 2 | 9 |
| 175 | Boring or Penetrating the Earth | 1 | 3 | 1 | 2 | 2 | 9 |
| 224 | Package and Article Carriers | 1 | 0 | 1 | 2 | 5 | 9 |
| 264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 3 | 2 | 1 | 3 | 0 | 9 |
| 380 | Cryptography | 2 | 4 | 1 | 0 | 2 | 9 |
| 602 | Surgery: Splint, Brace, or Bandage | 4 | 1 | 3 | 1 | 0 | 9 |
| 703 | DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) | 1 | 1 | 1 | 4 | 2 | 9 |
| 704 | DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) | 1 | 3 | 1 | 2 | 2 | 9 |
| 710 | Input/Output (Electrical Computers and Digital Data Processing Systems) | 3 | 0 | 1 | 4 | 1 | 9 |
| 717 | DP: Software Development, Installation, and Management (Data Processing) | 0 | 3 | 1 | 3 | 2 | 9 |
| 108 | Horizontally Supported Planar Surfaces | 1 | 2 | 1 | 2 | 2 | 8 |
| 182 | Fire Escape, Ladder, or Scaffold | 0 | 1 | 1 | 4 | 2 | 8 |
| 222 | Dispensing (apparatus and process) | 2 | 1 | 1 | 1 | 3 | 8 |
| 252 | Compositions | 1 | 2 | 2 | 1 | 2 | 8 |
| 257 | Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) | 2 | 0 | 1 | 4 | 1 | 8 |
| 290 | Prime-Mover Dynamo Plants | 4 | 3 | 0 | 1 | 0 | 8 |
| 294 | Handling: Hand and Hoist-Line Implements | 1 | 1 | 2 | 4 | 0 | 8 |
| 349 | Liquid Crystal Cells, Elements and Systems | 2 | 1 | 3 | 2 | 0 | 8 |
| 356 | Optics: Measuring and Testing | 1 | 1 | 1 | 4 | 1 | 8 |
| 366 | Agitating (e.g., of articles and materials) | 0 | 3 | 3 | 0 | 2 | 8 |
| 423 | Chemistry of Inorganic Compounds | 0 | 1 | 1 | 2 | 4 | 8 |
| 475 | Planetary Gear Transmission Systems or Components | 2 | 1 | 1 | 2 | 2 | 8 |
| 714 | Error Detection/Correction and Fault Detection/Recovery | 1 | 0 | 3 | 3 | 1 | 8 |
| 016 | Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) | 1 | 2 | 2 | 2 | 0 | 7 |
| 044 | Fuel and Related Compositions | 0 | 3 | 2 | 1 | 1 | 7 |
| 053 | Package Making | 1 | 1 | 1 | 2 | 2 | 7 |
| 068 | Textiles: Fluid Treating Apparatus | 2 | 2 | 1 | 1 | 1 | 7 |
| 188 | Brakes | 0 | 3 | 1 | 2 | 1 | 7 |
| 204 | Chemistry: Electrical and Wave Energy | 3 | 0 | 3 | 0 | 1 | 7 |
| 210 | Liquid Purification or Separation | 2 | 1 | 1 | 3 | 0 | 7 |
| 211 | Supports: Racks | 2 | 3 | 1 | 0 | 1 | 7 |
| 285 | Pipe Joints or Couplings | 2 | 0 | 2 | 1 | 2 | 7 |
| 331 | Oscillators | 0 | 1 | 3 | 0 | 3 | 7 |
| 333 | Wave Transmission Lines and Networks | 1 | 2 | 3 | 0 | 1 | 7 |
| 381 | Electrical Audio Signal Processing Systems and Devices | 1 | 3 | 3 | 0 | 0 | 7 |
| 398 | Optical Communications | 3 | 1 | 0 | 2 | 1 | 7 |
| 411 | Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener | 0 | 1 | 1 | 1 | 4 | 7 |
| 415 | Rotary Kinetic Fluid Motors or Pumps | 1 | 1 | 2 | 2 | 1 | 7 |
| 425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 0 | 0 | 0 | 4 | 3 | 7 |
| 482 | Exercise Devices | 0 | 1 | 1 | 2 | 3 | 7 |
| 604 | Surgery (Medicators and Receptors) | 0 | 1 | 1 | 1 | 4 | 7 |
| 706 | DP: Artificial Intelligence (Data Processing) | 0 | 0 | 4 | 2 | 1 | 7 |
| 091 | Motors: Expansible Chamber Type | 2 | 1 | 2 | 1 | 0 | 6 |
| 106 | Compositions: Coating or Plastic | 0 | 0 | 0 | 3 | 3 | 6 |
| 298 | Land Vehicles: Dumping | 2 | 1 | 1 | 0 | 2 | 6 |
| 323 | Electricity: Power Supply or Regulation Systems | 1 | 2 | 0 | 1 | 2 | 6 |
| 351 | Optics: Eye Examining, Vision Testing and Correcting | 2 | 1 | 1 | 0 | 2 | 6 |
| 363 | Electric Power Conversion Systems | 0 | 1 | 3 | 0 | 2 | 6 |
| 427 | Coating Processes | 0 | 0 | 3 | 1 | 2 | 6 |
| 002 | Apparel | 1 | 0 | 1 | 2 | 1 | 5 |
| 005 | Beds | 1 | 1 | 0 | 0 | 3 | 5 |
| 081 | Tools | 0 | 0 | 2 | 2 | 1 | 5 |
| 126 | Stoves and Furnaces | 0 | 0 | 3 | 2 | 0 | 5 |
| 134 | Cleaning and Liquid Contact with Solids | 2 | 0 | 0 | 1 | 2 | 5 |
| 141 | Fluent Material Handling, with Receiver or Receiver Coacting Means | 1 | 3 | 0 | 0 | 1 | 5 |
| 206 | Special Receptacle or Package | 3 | 0 | 1 | 1 | 0 | 5 |
| 305 | Wheel Substitutes for Land Vehicles | 2 | 2 | 0 | 1 | 0 | 5 |
| 341 | Coded Data Generation or Conversion | 1 | 0 | 2 | 0 | 2 | 5 |
| 359 | Optical: Systems and Elements | 1 | 0 | 2 | 1 | 1 | 5 |
| 401 | Coating Implements with Material Supply | 1 | 0 | 1 | 1 | 2 | 5 |
| 410 | Freight Accommodation On Freight Carrier | 0 | 2 | 3 | 0 | 0 | 5 |
| 416 | Fluid Reaction Surfaces (i.e., Impellers) | 2 | 1 | 1 | 0 | 1 | 5 |
| 438 | Semiconductor Device Manufacturing: Process | 1 | 1 | 2 | 1 | 0 | 5 |
| 446 | Amusement Devices: Toys | 0 | 1 | 2 | 1 | 1 | 5 |
| 454 | Ventilation | 0 | 0 | 1 | 3 | 1 | 5 |
| 606 | Surgery (instruments) | 1 | 0 | 0 | 3 | 1 | 5 |
| 030 | Cutlery | 0 | 1 | 0 | 2 | 1 | 4 |
| 055 | Gas Separation | 1 | 1 | 0 | 1 | 1 | 4 |
| 084 | Music | 1 | 0 | 0 | 2 | 1 | 4 |
| 089 | Ordnance | 0 | 0 | 0 | 2 | 2 | 4 |
| 092 | Expansible Chamber Devices | 0 | 0 | 0 | 3 | 1 | 4 |
| 135 | Tent, Canopy, Umbrella, or Cane | 0 | 1 | 0 | 2 | 1 | 4 |
| 152 | Resilient Tires and Wheels | 1 | 0 | 0 | 3 | 0 | 4 |
| 181 | Acoustics | 2 | 0 | 0 | 0 | 2 | 4 |
| 193 | Conveyors, Chutes, Skids, Guides, and Ways | 1 | 0 | 0 | 1 | 2 | 4 |
| 212 | Traversing Hoists | 0 | 0 | 0 | 3 | 1 | 4 |
| 218 | High-Voltage Switches with Arc Preventing or Extinguishing Devices | 0 | 1 | 0 | 2 | 1 | 4 |
| 254 | Implements or Apparatus for Applying Pushing or Pulling Force | 2 | 0 | 0 | 1 | 1 | 4 |
| 269 | Work Holders | 0 | 2 | 1 | 0 | 1 | 4 |
| 273 | Amusement Devices: Games | 0 | 0 | 0 | 4 | 0 | 4 |
| 277 | Seal for a Joint or Juncture | 0 | 0 | 0 | 2 | 2 | 4 |
| 310 | Electrical Generator or Motor Structure | 0 | 2 | 1 | 0 | 1 | 4 |
| 318 | Electricity: Motive Power Systems | 0 | 0 | 1 | 1 | 2 | 4 |
| 326 | Electronic Digital Logic Circuitry | 0 | 0 | 2 | 1 | 1 | 4 |
| 365 | Static Information Storage and Retrieval | 1 | 0 | 2 | 1 | 0 | 4 |
| 385 | Optical Waveguides | 1 | 1 | 2 | 0 | 0 | 4 |
| 477 | Interrelated Power Delivery Controls, Including Engine Control | 1 | 1 | 1 | 0 | 1 | 4 |
| 711 | Memory (Electrical Computers and Digital Processing Systems) | 1 | 0 | 1 | 1 | 1 | 4 |
| 014 | Bridges | 1 | 0 | 0 | 1 | 1 | 3 |
| 015 | Brushing, Scrubbing, and General Cleaning | 1 | 0 | 1 | 1 | 0 | 3 |
| 070 | Locks | 0 | 0 | 1 | 2 | 0 | 3 |
| 075 | Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures | 0 | 1 | 1 | 1 | 0 | 3 |
| 083 | Cutting | 0 | 0 | 1 | 2 | 0 | 3 |
| 099 | Foods and Beverages: Apparatus | 1 | 0 | 0 | 1 | 1 | 3 |
| 114 | Ships | 0 | 0 | 0 | 2 | 1 | 3 |
| 132 | Toilet | 0 | 0 | 0 | 1 | 2 | 3 |
| 162 | Paper Making and Fiber Liberation | 1 | 1 | 1 | 0 | 0 | 3 |
| 165 | Heat Exchange | 0 | 2 | 1 | 0 | 0 | 3 |
| 192 | Clutches and Power-Stop Control | 0 | 1 | 0 | 2 | 0 | 3 |
| 244 | Aeronautics and Astronautics | 2 | 0 | 0 | 1 | 0 | 3 |
| 267 | Spring Devices | 0 | 0 | 2 | 0 | 1 | 3 |
| 307 | Electrical Transmission or Interconnection Systems | 0 | 0 | 0 | 1 | 2 | 3 |
| 396 | Photography | 0 | 1 | 1 | 1 | 0 | 3 |
| 429 | Chemistry: Electrical Current Producing Apparatus, Product, and Process | 0 | 2 | 1 | 0 | 0 | 3 |
| 504 | Plant Protecting and Regulating Compositions | 0 | 1 | 0 | 1 | 1 | 3 |
| 508 | Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions | 0 | 0 | 0 | 0 | 3 | 3 |
| 585 | Chemistry of Hydrocarbon Compounds | 0 | 0 | 1 | 2 | 0 | 3 |
| 601 | Surgery: Kinesitherapy | 0 | 0 | 1 | 0 | 2 | 3 |
| 712 | Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) | 1 | 1 | 0 | 0 | 1 | 3 |
| 004 | Baths, Closets, Sinks, and Spittoons | 1 | 0 | 0 | 0 | 1 | 2 |
| 008 | Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers | 1 | 0 | 0 | 0 | 1 | 2 |
| 042 | Firearms | 0 | 1 | 1 | 0 | 0 | 2 |
| 063 | Jewelry | 0 | 0 | 0 | 0 | 2 | 2 |
| 071 | Chemistry: Fertilizers | 0 | 1 | 0 | 0 | 1 | 2 |
| 095 | Gas Separation: Processes | 0 | 2 | 0 | 0 | 0 | 2 |
| 096 | Gas Separation: Apparatus | 0 | 1 | 0 | 0 | 1 | 2 |
| 102 | Ammunition and Explosives | 0 | 1 | 0 | 1 | 0 | 2 |
| 104 | Railways | 1 | 1 | 0 | 0 | 0 | 2 |
| 105 | Railway Rolling Stock | 1 | 0 | 1 | 0 | 0 | 2 |
| 118 | Coating Apparatus | 0 | 1 | 0 | 1 | 0 | 2 |
| 127 | Sugar, Starch, and Carbohydrates | 0 | 1 | 0 | 0 | 1 | 2 |
| 150 | Purses, Wallets, and Protective Covers | 1 | 0 | 0 | 0 | 1 | 2 |
| 157 | Wheelwright Machines | 0 | 0 | 0 | 1 | 1 | 2 |
| 164 | Metal Founding | 0 | 0 | 0 | 2 | 0 | 2 |
| 166 | Wells (shafts or deep borings in the earth, e.g., for oil and gas) | 0 | 0 | 0 | 0 | 2 | 2 |
| 169 | Fire Extinguishers | 0 | 1 | 0 | 0 | 1 | 2 |
| 184 | Lubrication | 1 | 0 | 0 | 1 | 0 | 2 |
| 205 | Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions | 0 | 0 | 1 | 0 | 1 | 2 |
| 208 | Mineral Oils: Processes and Products | 0 | 0 | 1 | 0 | 1 | 2 |
| 221 | Article Dispensing | 1 | 0 | 1 | 0 | 0 | 2 |
| 246 | Railway Switches and Signals | 1 | 0 | 0 | 0 | 1 | 2 |
| 249 | Static Molds | 0 | 1 | 0 | 0 | 1 | 2 |
| 303 | Fluid-Pressure and Analogous Brake Systems | 0 | 0 | 1 | 0 | 1 | 2 |
| 313 | Electric Lamp and Discharge Devices | 0 | 0 | 0 | 2 | 0 | 2 |
| 320 | Electricity: Battery or Capacitor Charging or Discharging | 0 | 0 | 0 | 0 | 2 | 2 |
| 336 | Inductor Devices | 0 | 1 | 0 | 1 | 0 | 2 |
| 337 | Electricity: Electrothermally or Thermally Actuated Switches | 1 | 0 | 0 | 0 | 1 | 2 |
| 353 | Optics: Image Projectors | 0 | 1 | 1 | 0 | 0 | 2 |
| 368 | Horology: Time Measuring Systems or Devices | 1 | 0 | 0 | 0 | 1 | 2 |
| 373 | Industrial Electric Heating Furnaces | 0 | 0 | 1 | 1 | 0 | 2 |
| 377 | Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems | 0 | 2 | 0 | 0 | 0 | 2 |
| 392 | Electric Resistance Heating Devices | 0 | 1 | 0 | 1 | 0 | 2 |
| 408 | Cutting by Use of Rotating Axially Moving Tool | 0 | 1 | 0 | 1 | 0 | 2 |
| 436 | Chemistry: Analytical and Immunological Testing | 1 | 0 | 0 | 1 | 0 | 2 |
| 445 | Electric Lamp or Space Discharge Component or Device Manufacturing | 0 | 1 | 1 | 0 | 0 | 2 |
| 451 | Abrading | 1 | 1 | 0 | 0 | 0 | 2 |
| 506 | Combinatorial Chemistry Technology: Method, Library, Apparatus | 0 | 0 | 0 | 1 | 1 | 2 |
| 024 | Buckles, Buttons, Clasps, Etc. | 0 | 1 | 0 | 0 | 0 | 1 |
| 027 | Undertaking | 0 | 0 | 0 | 0 | 1 | 1 |
| 048 | Gas: Heating and Illuminating | 0 | 0 | 0 | 0 | 1 | 1 |
| 057 | Textiles: Spinning, Twisting, and Twining | 0 | 1 | 0 | 0 | 0 | 1 |
| 076 | Metal Tools and Implements, Making | 0 | 1 | 0 | 0 | 0 | 1 |
| 110 | Furnaces | 0 | 1 | 0 | 0 | 0 | 1 |
| 112 | Sewing | 0 | 0 | 0 | 0 | 1 | 1 |
| 117 | Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor | 0 | 1 | 0 | 0 | 0 | 1 |
| 125 | Stone Working | 0 | 0 | 0 | 0 | 1 | 1 |
| 148 | Metal Treatment | 1 | 0 | 0 | 0 | 0 | 1 |
| 173 | Tool Driving or Impacting | 0 | 0 | 1 | 0 | 0 | 1 |
| 177 | Weighing Scales | 0 | 0 | 0 | 1 | 0 | 1 |
| 191 | Electricity: Transmission To Vehicles | 0 | 0 | 0 | 1 | 0 | 1 |
| 216 | Etching a Substrate: Processes | 0 | 0 | 1 | 0 | 0 | 1 |
| 229 | Envelopes, Wrappers, and Paperboard Boxes | 0 | 0 | 0 | 0 | 1 | 1 |
| 256 | Fences | 0 | 0 | 0 | 0 | 1 | 1 |
| 266 | Metallurgical Apparatus | 1 | 0 | 0 | 0 | 0 | 1 |
| 293 | Vehicle Fenders | 0 | 0 | 0 | 0 | 1 | 1 |
| 299 | Mining or In Situ Disintegration of Hard Material | 0 | 0 | 0 | 0 | 1 | 1 |
| 301 | Land Vehicles: Wheels and Axles | 0 | 0 | 0 | 0 | 1 | 1 |
| 332 | Modulators | 0 | 0 | 1 | 0 | 0 | 1 |
| 358 | Facsimile and Static Presentation Processing | 0 | 1 | 0 | 0 | 0 | 1 |
| 372 | Coherent Light Generators | 1 | 0 | 0 | 0 | 0 | 1 |
| 383 | Flexible Bags | 0 | 0 | 0 | 1 | 0 | 1 |
| 384 | Bearings | 0 | 0 | 1 | 0 | 0 | 1 |
| 386 | Motion Video Signal Processing for Recording or Reproducing | 0 | 0 | 1 | 0 | 0 | 1 |
| 400 | Typewriting Machines | 1 | 0 | 0 | 0 | 0 | 1 |
| 406 | Conveyors: Fluid Current | 0 | 0 | 1 | 0 | 0 | 1 |
| 412 | Bookbinding: Process and Apparatus | 1 | 0 | 0 | 0 | 0 | 1 |
| 418 | Rotary Expansible Chamber Devices | 0 | 0 | 0 | 1 | 0 | 1 |
| 431 | Combustion | 1 | 0 | 0 | 0 | 0 | 1 |
| 441 | Buoys, Rafts, and Aquatic Devices | 0 | 1 | 0 | 0 | 0 | 1 |
| 464 | Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts | 0 | 0 | 0 | 1 | 0 | 1 |
| 472 | Amusement Devices | 0 | 0 | 0 | 0 | 1 | 1 |
| 474 | Endless Belt Power Transmission Systems or Components | 0 | 0 | 0 | 0 | 1 | 1 |
| 492 | Roll or Roller | 0 | 0 | 1 | 0 | 0 | 1 |
| 494 | Imperforate Bowl: Centrifugal Separators | 0 | 0 | 0 | 1 | 0 | 1 |
| 505 | Superconductor Technology: Apparatus, Material, Process | 0 | 0 | 1 | 0 | 0 | 1 |
| 623 | Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor | 0 | 0 | 0 | 0 | 1 | 1 |
| 719 | Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) | 0 | 0 | 0 | 1 | 0 | 1 |
| 850 | Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] | 0 | 0 | 0 | 1 | 0 | 1 |
| ALL | ALL CLASSES | 811 | 854 | 933 | 1000 | 992 | 4590 |
Questions regarding these reports should be directed to:
U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.govaddress of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/reports.htm
selected PTMT materials available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/
Home >
Listing of Viewable PTMT Reports >
Table of Contents for This Set of Reports