| 606 |
Surgery (instruments) |
5 |
0 |
4 |
22 |
20 |
51 |
| 370 |
Multiplex Communications |
3 |
9 |
8 |
14 |
9 |
43 |
| 709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
2 |
7 |
9 |
12 |
13 |
43 |
| 424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
3 |
7 |
6 |
14 |
11 |
41 |
| 623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
6 |
1 |
4 |
11 |
7 |
29 |
| 382 |
Image Analysis |
2 |
5 |
6 |
4 |
10 |
27 |
| 341 |
Coded Data Generation or Conversion |
12 |
5 |
1 |
3 |
5 |
26 |
| 705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
1 |
5 |
5 |
5 |
10 |
26 |
| 707 |
DP: Database and File Management or Data Structures (Data Processing) |
6 |
1 |
5 |
7 |
7 |
26 |
| 327 |
Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems |
4 |
3 |
6 |
4 |
8 |
25 |
| 257 |
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) |
4 |
2 |
6 |
3 |
9 |
24 |
| 455 |
Telecommunications |
5 |
5 |
0 |
6 |
8 |
24 |
| 250 |
Radiant Energy |
3 |
5 |
2 |
7 |
5 |
22 |
| 375 |
Pulse or Digital Communications |
2 |
5 |
6 |
4 |
4 |
21 |
| 128 |
Surgery (includes Class 600) |
4 |
3 |
5 |
4 |
4 |
20 |
| 435 |
Chemistry: Molecular Biology and Microbiology |
5 |
0 |
3 |
2 |
8 |
18 |
| 340 |
Communications: Electrical |
5 |
4 |
2 |
4 |
2 |
17 |
| 379 |
Telephonic Communications |
2 |
2 |
3 |
4 |
6 |
17 |
| 427 |
Coating Processes |
1 |
6 |
1 |
3 |
5 |
16 |
| 604 |
Surgery (Medicators and Receptors) |
3 |
1 |
2 |
3 |
7 |
16 |
| 520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
0 |
2 |
0 |
6 |
7 |
15 |
| 361 |
Electricity: Electrical Systems and Devices |
4 |
1 |
3 |
2 |
4 |
14 |
| 715 |
DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) |
2 |
2 |
2 |
3 |
5 |
14 |
| 356 |
Optics: Measuring and Testing |
4 |
1 |
4 |
3 |
1 |
13 |
| 702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
1 |
2 |
2 |
3 |
5 |
13 |
| 438 |
Semiconductor Device Manufacturing: Process |
0 |
4 |
1 |
2 |
4 |
11 |
| 713 |
Support (Electrical Computers and Digital Processing Systems) |
3 |
0 |
0 |
5 |
3 |
11 |
| 323 |
Electricity: Power Supply or Regulation Systems |
2 |
1 |
4 |
2 |
1 |
10 |
| 333 |
Wave Transmission Lines and Networks |
1 |
4 |
3 |
1 |
1 |
10 |
| 345 |
Computer Graphics Processing and Selective Visual Display Systems |
3 |
0 |
3 |
2 |
2 |
10 |
| 359 |
Optical: Systems and Elements |
3 |
3 |
2 |
1 |
1 |
10 |
| 532 |
Organic Compounds (includes Classes 532-570) |
1 |
1 |
2 |
2 |
4 |
10 |
| 428 |
Stock Material or Miscellaneous Articles |
3 |
5 |
0 |
0 |
1 |
9 |
| 029 |
Metal Working |
0 |
0 |
5 |
0 |
3 |
8 |
| 073 |
Measuring and Testing |
2 |
2 |
1 |
2 |
1 |
8 |
| 235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
1 |
0 |
2 |
3 |
2 |
8 |
| 324 |
Electricity: Measuring and Testing |
4 |
1 |
0 |
2 |
1 |
8 |
| 347 |
Incremental Printing of Symbolic Information |
0 |
2 |
1 |
1 |
4 |
8 |
| 372 |
Coherent Light Generators |
0 |
2 |
1 |
3 |
2 |
8 |
| 700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
3 |
3 |
1 |
1 |
0 |
8 |
| 053 |
Package Making |
0 |
0 |
2 |
3 |
2 |
7 |
| 206 |
Special Receptacle or Package |
1 |
1 |
0 |
2 |
3 |
7 |
| 422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
0 |
1 |
3 |
3 |
0 |
7 |
| 530 |
Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof |
1 |
0 |
5 |
0 |
1 |
7 |
| 703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
0 |
3 |
1 |
2 |
1 |
7 |
| 219 |
Electric Heating |
1 |
1 |
1 |
3 |
0 |
6 |
| 331 |
Oscillators |
2 |
2 |
1 |
1 |
0 |
6 |
| 706 |
DP: Artificial Intelligence (Data Processing) |
0 |
0 |
0 |
2 |
4 |
6 |
| 710 |
Input/Output (Electrical Computers and Digital Processing Systems) |
1 |
0 |
2 |
1 |
2 |
6 |
| 717 |
DP: Software Development, Installation, and Management (Data Processing) |
1 |
1 |
0 |
3 |
1 |
6 |
| 326 |
Electronic Digital Logic Circuitry |
0 |
0 |
0 |
1 |
4 |
5 |
| 330 |
Amplifiers |
1 |
1 |
1 |
1 |
1 |
5 |
| 336 |
Inductor Devices |
0 |
1 |
2 |
0 |
2 |
5 |
| 343 |
Communications: Radio Wave Antennas |
1 |
0 |
1 |
1 |
2 |
5 |
| 362 |
Illumination |
1 |
0 |
1 |
1 |
2 |
5 |
| 385 |
Optical Waveguides |
0 |
1 |
1 |
1 |
2 |
5 |
| 714 |
Error Detection/Correction and Fault Detection/Recovery |
1 |
0 |
1 |
1 |
2 |
5 |
| 719 |
Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) |
0 |
0 |
1 |
2 |
2 |
5 |
| 106 |
Compositions: Coating or Plastic |
0 |
2 |
0 |
0 |
2 |
4 |
| 118 |
Coating Apparatus |
0 |
2 |
0 |
0 |
2 |
4 |
| 156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
1 |
1 |
0 |
2 |
0 |
4 |
| 261 |
Gas and Liquid Contact Apparatus |
0 |
2 |
0 |
2 |
0 |
4 |
| 264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
0 |
1 |
0 |
2 |
1 |
4 |
| 423 |
Chemistry of Inorganic Compounds |
0 |
1 |
3 |
0 |
0 |
4 |
| 426 |
Food or Edible Material: Processes, Compositions, and Products |
0 |
2 |
1 |
0 |
1 |
4 |
| 439 |
Electrical Connectors |
0 |
1 |
1 |
1 |
1 |
4 |
| 607 |
Surgery: Light, Thermal, and Electrical Application |
1 |
1 |
0 |
1 |
1 |
4 |
| 701 |
DP: Vehicles, Navigation, and Relative Location (Data Processing) |
0 |
1 |
2 |
1 |
0 |
4 |
| 704 |
DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) |
1 |
1 |
1 |
0 |
1 |
4 |
| 725 |
Interactive Video Distribution Systems |
0 |
0 |
0 |
1 |
3 |
4 |
| 726 |
Information Security |
0 |
0 |
0 |
1 |
3 |
4 |
| 072 |
Metal Deforming |
0 |
0 |
0 |
2 |
1 |
3 |
| 119 |
Animal Husbandry |
0 |
1 |
0 |
1 |
1 |
3 |
| 175 |
Boring or Penetrating the Earth |
0 |
0 |
0 |
1 |
2 |
3 |
| 180 |
Motor Vehicles |
0 |
0 |
1 |
0 |
2 |
3 |
| 200 |
Electricity: Circuit Makers and Breakers |
0 |
0 |
0 |
1 |
2 |
3 |
| 216 |
Etching a Substrate: Processes |
0 |
1 |
1 |
0 |
1 |
3 |
| 222 |
Dispensing (apparatus and process) |
0 |
0 |
1 |
0 |
2 |
3 |
| 285 |
Pipe Joints or Couplings |
0 |
0 |
0 |
1 |
2 |
3 |
| 320 |
Electricity: Battery or Capacitor Charging or Discharging |
0 |
0 |
1 |
2 |
0 |
3 |
| 338 |
Electrical Resistors |
0 |
0 |
1 |
1 |
1 |
3 |
| 348 |
Television |
2 |
1 |
0 |
0 |
0 |
3 |
| 358 |
Facsimile and Static Presentation Processing |
0 |
0 |
1 |
1 |
1 |
3 |
| 363 |
Electric Power Conversion Systems |
1 |
0 |
0 |
1 |
1 |
3 |
| 366 |
Agitating (e.g., of articles and materials) |
0 |
0 |
1 |
1 |
1 |
3 |
| 405 |
Hydraulic and Earth Engineering |
0 |
0 |
2 |
0 |
1 |
3 |
| 436 |
Chemistry: Analytical and Immunological Testing |
0 |
1 |
0 |
2 |
0 |
3 |
| 502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
0 |
0 |
1 |
2 |
0 |
3 |
| 708 |
Arithmetic Processing and Calculating (Electrical Computers) |
0 |
2 |
0 |
0 |
1 |
3 |
| 718 |
Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) |
0 |
0 |
2 |
1 |
0 |
3 |
| 033 |
Geometrical Instruments |
2 |
0 |
0 |
0 |
0 |
2 |
| 034 |
Drying and Gas or Vapor Contact with Solids |
0 |
1 |
0 |
0 |
1 |
2 |
| 037 |
Excavating |
0 |
1 |
1 |
0 |
0 |
2 |
| 052 |
Static Structures (e.g., Buildings) |
0 |
0 |
0 |
1 |
1 |
2 |
| 084 |
Music |
1 |
1 |
0 |
0 |
0 |
2 |
| 141 |
Fluent Material Handling, with Receiver or Receiver Coacting Means |
0 |
0 |
1 |
1 |
0 |
2 |
| 148 |
Metal Treatment |
0 |
1 |
0 |
0 |
1 |
2 |
| 187 |
Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle |
2 |
0 |
0 |
0 |
0 |
2 |
| 210 |
Liquid Purification or Separation |
0 |
0 |
0 |
0 |
2 |
2 |
| 280 |
Land Vehicles |
0 |
0 |
1 |
0 |
1 |
2 |
| 351 |
Optics: Eye Examining, Vision Testing and Correcting |
0 |
0 |
0 |
0 |
2 |
2 |
| 365 |
Static Information Storage and Retrieval |
0 |
0 |
0 |
1 |
1 |
2 |
| 381 |
Electrical Audio Signal Processing Systems and Devices |
0 |
0 |
0 |
0 |
2 |
2 |
| 473 |
Games Using Tangible Projectile |
1 |
0 |
0 |
0 |
1 |
2 |
| 482 |
Exercise Devices |
0 |
0 |
0 |
0 |
2 |
2 |
| 602 |
Surgery: Splint, Brace, or Bandage |
0 |
0 |
1 |
0 |
1 |
2 |
| 711 |
Memory (Electrical Computers and Digital Processing Systems) |
1 |
1 |
0 |
0 |
0 |
2 |
| 716 |
Computer-Aided Design and Analysis of Circuits and Semiconductor Masks |
0 |
2 |
0 |
0 |
0 |
2 |
| 002 |
Apparel |
0 |
1 |
0 |
0 |
0 |
1 |
| 030 |
Cutlery |
0 |
0 |
0 |
0 |
1 |
1 |
| 038 |
Textiles: Ironing or Smoothing |
0 |
0 |
0 |
1 |
0 |
1 |
| 044 |
Fuel and Related Compositions |
0 |
0 |
1 |
0 |
0 |
1 |
| 051 |
Abrasive Tool Making Process, Material, or Composition |
0 |
0 |
0 |
0 |
1 |
1 |
| 056 |
Harvesters |
1 |
0 |
0 |
0 |
0 |
1 |
| 060 |
Power Plants |
1 |
0 |
0 |
0 |
0 |
1 |
| 062 |
Refrigeration |
0 |
0 |
0 |
0 |
1 |
1 |
| 066 |
Textiles: Knitting |
1 |
0 |
0 |
0 |
0 |
1 |
| 099 |
Foods and Beverages: Apparatus |
0 |
1 |
0 |
0 |
0 |
1 |
| 100 |
Presses |
1 |
0 |
0 |
0 |
0 |
1 |
| 126 |
Stoves and Furnaces |
0 |
0 |
1 |
0 |
0 |
1 |
| 132 |
Toilet |
0 |
0 |
1 |
0 |
0 |
1 |
| 134 |
Cleaning and Liquid Contact with Solids |
0 |
0 |
0 |
0 |
1 |
1 |
| 135 |
Tent, Canopy, Umbrella, or Cane |
0 |
1 |
0 |
0 |
0 |
1 |
| 136 |
Batteries: Thermoelectric and Photoelectric |
0 |
0 |
0 |
1 |
0 |
1 |
| 139 |
Textiles: Weaving |
0 |
0 |
0 |
1 |
0 |
1 |
| 164 |
Metal Founding |
0 |
0 |
0 |
0 |
1 |
1 |
| 166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
0 |
0 |
0 |
1 |
0 |
1 |
| 172 |
Earth Working |
0 |
0 |
0 |
0 |
1 |
1 |
| 188 |
Brakes |
0 |
0 |
0 |
1 |
0 |
1 |
| 209 |
Classifying, Separating, and Assorting Solids |
0 |
0 |
0 |
0 |
1 |
1 |
| 215 |
Bottles and Jars |
0 |
0 |
1 |
0 |
0 |
1 |
| 237 |
Heating Systems |
1 |
0 |
0 |
0 |
0 |
1 |
| 248 |
Supports (e.g., for holding articles, etc.) |
0 |
0 |
1 |
0 |
0 |
1 |
| 267 |
Spring Devices |
0 |
0 |
0 |
1 |
0 |
1 |
| 273 |
Amusement Devices: Games |
0 |
0 |
0 |
0 |
1 |
1 |
| 277 |
Seal for a Joint or Juncture |
1 |
0 |
0 |
0 |
0 |
1 |
| 290 |
Prime-Mover Dynamo Plants |
0 |
0 |
0 |
0 |
1 |
1 |
| 292 |
Closure Fasteners |
0 |
0 |
0 |
0 |
1 |
1 |
| 296 |
Land Vehicles: Bodies and Tops |
0 |
1 |
0 |
0 |
0 |
1 |
| 315 |
Electric Lamp and Discharge Devices: Systems |
0 |
1 |
0 |
0 |
0 |
1 |
| 318 |
Electricity: Motive Power Systems |
0 |
1 |
0 |
0 |
0 |
1 |
| 329 |
Demodulators |
0 |
1 |
0 |
0 |
0 |
1 |
| 332 |
Modulators |
0 |
1 |
0 |
0 |
0 |
1 |
| 335 |
Electricity: Magnetically Operated Switches, Magnets, and Electromagnets |
0 |
0 |
0 |
1 |
0 |
1 |
| 374 |
Thermal Measuring and Testing |
0 |
0 |
0 |
0 |
1 |
1 |
| 380 |
Cryptography |
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 |
0 |
0 |
1 |
1 |
| 392 |
Electric Resistance Heating Devices |
0 |
0 |
0 |
1 |
0 |
1 |
| 398 |
Optical Communications |
0 |
0 |
1 |
0 |
0 |
1 |
| 404 |
Road Structure, Process, or Apparatus |
0 |
0 |
0 |
1 |
0 |
1 |
| 414 |
Material or Article Handling |
0 |
0 |
1 |
0 |
0 |
1 |
| 420 |
Alloys or Metallic Compositions |
0 |
0 |
0 |
1 |
0 |
1 |
| 430 |
Radiation Imagery Chemistry: Process, Composition, or Product Thereof |
0 |
0 |
0 |
1 |
0 |
1 |
| 440 |
Marine Propulsion |
0 |
1 |
0 |
0 |
0 |
1 |
| 441 |
Buoys, Rafts, and Aquatic Devices |
0 |
0 |
0 |
0 |
1 |
1 |
| 442 |
Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) |
0 |
0 |
0 |
1 |
0 |
1 |
| 446 |
Amusement Devices: Toys |
0 |
1 |
0 |
0 |
0 |
1 |
| 449 |
Bee Culture (propagating, raising, caring for bees) |
0 |
1 |
0 |
0 |
0 |
1 |
| 450 |
Foundation Garments |
0 |
0 |
1 |
0 |
0 |
1 |
| 472 |
Amusement Devices |
0 |
0 |
0 |
0 |
1 |
1 |
| 712 |
Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) |
1 |
0 |
0 |
0 |
0 |
1 |
| 720 |
Dynamic Optical Information Storage or Retrieval |
0 |
1 |
0 |
0 |
0 |
1 |
| ALL |
ALL CLASSES |
146 |
164 |
177 |
252 |
304 |
1043 |