257 |
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) |
20 |
17 |
28 |
28 |
24 |
117 |
250 |
Radiant Energy |
25 |
16 |
13 |
5 |
10 |
69 |
438 |
Semiconductor Device Manufacturing: Process |
11 |
12 |
13 |
18 |
14 |
68 |
362 |
Illumination |
4 |
11 |
13 |
3 |
6 |
37 |
345 |
Computer Graphics Processing and Selective Visual Display Systems |
4 |
3 |
8 |
7 |
10 |
32 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
0 |
1 |
3 |
2 |
15 |
21 |
370 |
Multiplex Communications |
0 |
6 |
3 |
6 |
4 |
19 |
532 |
Organic Compounds (includes Classes 532-570) |
0 |
9 |
1 |
3 |
5 |
18 |
716 |
Computer-Aided Design and Analysis of Circuits and Semiconductor Masks |
0 |
2 |
2 |
5 |
9 |
18 |
326 |
Electronic Digital Logic Circuitry |
4 |
5 |
6 |
0 |
2 |
17 |
365 |
Static Information Storage and Retrieval |
1 |
5 |
5 |
2 |
4 |
17 |
324 |
Electricity: Measuring and Testing |
4 |
4 |
2 |
2 |
4 |
16 |
714 |
Error Detection/Correction and Fault Detection/Recovery |
4 |
1 |
2 |
6 |
3 |
16 |
313 |
Electric Lamp and Discharge Devices |
2 |
1 |
6 |
4 |
2 |
15 |
361 |
Electricity: Electrical Systems and Devices |
1 |
3 |
3 |
3 |
5 |
15 |
711 |
Memory (Electrical Computers and Digital Processing Systems) |
1 |
2 |
4 |
1 |
6 |
14 |
348 |
Television |
6 |
2 |
3 |
2 |
0 |
13 |
424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
3 |
1 |
4 |
1 |
3 |
12 |
327 |
Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems |
1 |
0 |
4 |
1 |
5 |
11 |
382 |
Image Analysis |
2 |
4 |
1 |
2 |
2 |
11 |
710 |
Input/Output (Electrical Computers and Digital Data Processing Systems) |
1 |
3 |
5 |
0 |
2 |
11 |
166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
2 |
3 |
3 |
0 |
2 |
10 |
312 |
Supports: Cabinet Structure |
3 |
1 |
4 |
1 |
1 |
10 |
235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
1 |
3 |
4 |
1 |
0 |
9 |
330 |
Amplifiers |
2 |
2 |
2 |
3 |
0 |
9 |
435 |
Chemistry: Molecular Biology and Microbiology |
3 |
0 |
2 |
1 |
3 |
9 |
455 |
Telecommunications |
1 |
2 |
0 |
2 |
4 |
9 |
713 |
Support (Electrical Computers and Digital Processing Systems) |
3 |
2 |
1 |
1 |
2 |
9 |
356 |
Optics: Measuring and Testing |
2 |
1 |
5 |
0 |
0 |
8 |
341 |
Coded Data Generation or Conversion |
1 |
1 |
0 |
3 |
2 |
7 |
428 |
Stock Material or Miscellaneous Articles |
0 |
1 |
1 |
2 |
3 |
7 |
439 |
Electrical Connectors |
2 |
0 |
1 |
2 |
2 |
7 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
0 |
1 |
3 |
3 |
0 |
7 |
242 |
Winding, Tensioning, or Guiding |
1 |
0 |
2 |
2 |
1 |
6 |
520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
0 |
1 |
1 |
3 |
1 |
6 |
228 |
Metal Fusion Bonding |
2 |
0 |
2 |
1 |
0 |
5 |
360 |
Dynamic Magnetic Information Storage or Retrieval |
1 |
0 |
0 |
3 |
1 |
5 |
396 |
Photography |
2 |
2 |
0 |
0 |
1 |
5 |
508 |
Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions |
0 |
0 |
3 |
0 |
2 |
5 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
1 |
0 |
3 |
0 |
1 |
5 |
005 |
Beds |
1 |
0 |
0 |
1 |
2 |
4 |
029 |
Metal Working |
1 |
0 |
1 |
0 |
2 |
4 |
073 |
Measuring and Testing |
0 |
1 |
1 |
2 |
0 |
4 |
119 |
Animal Husbandry |
0 |
0 |
1 |
1 |
2 |
4 |
174 |
Electricity: Conductors and Insulators |
3 |
0 |
0 |
0 |
1 |
4 |
333 |
Wave Transmission Lines and Networks |
2 |
0 |
1 |
1 |
0 |
4 |
343 |
Communications: Radio Wave Antennas |
0 |
2 |
0 |
0 |
2 |
4 |
709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
1 |
0 |
2 |
0 |
1 |
4 |
002 |
Apparel |
0 |
0 |
2 |
1 |
0 |
3 |
015 |
Brushing, Scrubbing, and General Cleaning |
0 |
0 |
0 |
1 |
2 |
3 |
044 |
Fuel and Related Compositions |
0 |
0 |
0 |
1 |
2 |
3 |
081 |
Tools |
0 |
0 |
0 |
1 |
2 |
3 |
106 |
Compositions: Coating or Plastic |
2 |
0 |
0 |
1 |
0 |
3 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
1 |
0 |
0 |
1 |
1 |
3 |
188 |
Brakes |
0 |
1 |
0 |
1 |
1 |
3 |
200 |
Electricity: Circuit Makers and Breakers |
0 |
0 |
1 |
1 |
1 |
3 |
315 |
Electric Lamp and Discharge Devices: Systems |
1 |
0 |
0 |
2 |
0 |
3 |
320 |
Electricity: Battery or Capacitor Charging or Discharging |
1 |
0 |
1 |
0 |
1 |
3 |
363 |
Electric Power Conversion Systems |
0 |
1 |
1 |
0 |
1 |
3 |
375 |
Pulse or Digital Communications |
0 |
1 |
1 |
0 |
1 |
3 |
530 |
Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof |
0 |
1 |
1 |
1 |
0 |
3 |
607 |
Surgery: Light, Thermal, and Electrical Application |
1 |
0 |
0 |
1 |
1 |
3 |
700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
0 |
0 |
2 |
0 |
1 |
3 |
726 |
Information Security |
0 |
1 |
2 |
0 |
0 |
3 |
800 |
Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes |
0 |
0 |
2 |
1 |
0 |
3 |
053 |
Package Making |
1 |
1 |
0 |
0 |
0 |
2 |
128 |
Surgery (includes Class 600) |
0 |
0 |
1 |
0 |
1 |
2 |
206 |
Special Receptacle or Package |
0 |
1 |
1 |
0 |
0 |
2 |
210 |
Liquid Purification or Separation |
0 |
0 |
1 |
0 |
1 |
2 |
220 |
Receptacles |
1 |
0 |
0 |
0 |
1 |
2 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
1 |
0 |
0 |
1 |
0 |
2 |
267 |
Spring Devices |
1 |
0 |
0 |
0 |
1 |
2 |
294 |
Handling: Hand and Hoist-Line Implements |
0 |
0 |
1 |
0 |
1 |
2 |
331 |
Oscillators |
1 |
0 |
1 |
0 |
0 |
2 |
347 |
Incremental Printing of Symbolic Information |
0 |
1 |
1 |
0 |
0 |
2 |
349 |
Liquid Crystal Cells, Elements and Systems |
1 |
1 |
0 |
0 |
0 |
2 |
358 |
Facsimile and Static Presentation Processing |
0 |
1 |
0 |
1 |
0 |
2 |
359 |
Optical: Systems and Elements |
2 |
0 |
0 |
0 |
0 |
2 |
380 |
Cryptography |
0 |
0 |
0 |
1 |
1 |
2 |
414 |
Material or Article Handling |
0 |
0 |
0 |
2 |
0 |
2 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
0 |
0 |
0 |
2 |
0 |
2 |
425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
0 |
1 |
0 |
0 |
1 |
2 |
427 |
Coating Processes |
0 |
1 |
0 |
0 |
1 |
2 |
463 |
Amusement Devices: Games |
0 |
1 |
0 |
0 |
1 |
2 |
606 |
Surgery (instruments) |
1 |
0 |
0 |
0 |
1 |
2 |
701 |
DP: Vehicles, Navigation, and Relative Location (Data Processing) |
0 |
0 |
0 |
1 |
1 |
2 |
703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
0 |
1 |
0 |
0 |
1 |
2 |
706 |
DP: Artificial Intelligence (Data Processing) |
1 |
0 |
1 |
0 |
0 |
2 |
708 |
Arithmetic Processing and Calculating (Electrical Computers) |
1 |
1 |
0 |
0 |
0 |
2 |
004 |
Baths, Closets, Sinks, and Spittoons |
0 |
0 |
0 |
1 |
0 |
1 |
024 |
Buckles, Buttons, Clasps, Etc. |
0 |
1 |
0 |
0 |
0 |
1 |
052 |
Static Structures (e.g., Buildings) |
1 |
0 |
0 |
0 |
0 |
1 |
065 |
Glass Manufacturing |
0 |
0 |
0 |
0 |
1 |
1 |
074 |
Machine Element or Mechanism |
0 |
0 |
0 |
1 |
0 |
1 |
095 |
Gas Separation: Processes |
1 |
0 |
0 |
0 |
0 |
1 |
096 |
Gas Separation: Apparatus |
0 |
0 |
1 |
0 |
0 |
1 |
101 |
Printing |
0 |
0 |
1 |
0 |
0 |
1 |
114 |
Ships |
0 |
0 |
0 |
0 |
1 |
1 |
117 |
Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor |
0 |
0 |
0 |
0 |
1 |
1 |
118 |
Coating Apparatus |
0 |
0 |
0 |
1 |
0 |
1 |
123 |
Internal-Combustion Engines |
0 |
1 |
0 |
0 |
0 |
1 |
131 |
Tobacco |
0 |
0 |
1 |
0 |
0 |
1 |
134 |
Cleaning and Liquid Contact with Solids |
0 |
0 |
0 |
0 |
1 |
1 |
138 |
Pipes and Tubular Conduits |
0 |
1 |
0 |
0 |
0 |
1 |
162 |
Paper Making and Fiber Liberation |
0 |
1 |
0 |
0 |
0 |
1 |
173 |
Tool Driving or Impacting |
0 |
0 |
1 |
0 |
0 |
1 |
229 |
Envelopes, Wrappers, and Paperboard Boxes |
1 |
0 |
0 |
0 |
0 |
1 |
248 |
Supports (e.g., for holding articles, etc.) |
1 |
0 |
0 |
0 |
0 |
1 |
251 |
Valves and Valve Actuation |
0 |
1 |
0 |
0 |
0 |
1 |
252 |
Compositions |
0 |
0 |
1 |
0 |
0 |
1 |
277 |
Seal for a Joint or Juncture |
0 |
0 |
0 |
0 |
1 |
1 |
297 |
Chairs and Seats |
1 |
0 |
0 |
0 |
0 |
1 |
307 |
Electrical Transmission or Interconnection Systems |
0 |
0 |
1 |
0 |
0 |
1 |
310 |
Electrical Generator or Motor Structure |
0 |
1 |
0 |
0 |
0 |
1 |
336 |
Inductor Devices |
0 |
0 |
0 |
0 |
1 |
1 |
351 |
Optics: Eye Examining, Vision Testing and Correcting |
0 |
0 |
1 |
0 |
0 |
1 |
367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
0 |
1 |
0 |
0 |
0 |
1 |
372 |
Coherent Light Generators |
0 |
0 |
0 |
0 |
1 |
1 |
374 |
Thermal Measuring and Testing |
1 |
0 |
0 |
0 |
0 |
1 |
379 |
Telephonic Communications |
0 |
0 |
0 |
1 |
0 |
1 |
384 |
Bearings |
0 |
0 |
1 |
0 |
0 |
1 |
385 |
Optical Waveguides |
0 |
0 |
0 |
0 |
1 |
1 |
400 |
Typewriting Machines |
0 |
0 |
0 |
0 |
1 |
1 |
417 |
Pumps |
0 |
0 |
0 |
0 |
1 |
1 |
429 |
Chemistry: Electrical Current Producing Apparatus, Product, and Process |
0 |
0 |
0 |
0 |
1 |
1 |
430 |
Radiation Imagery Chemistry: Process, Composition, or Product Thereof |
0 |
1 |
0 |
0 |
0 |
1 |
445 |
Electric Lamp or Space Discharge Component or Device Manufacturing |
0 |
0 |
1 |
0 |
0 |
1 |
474 |
Endless Belt Power Transmission Systems or Components |
0 |
0 |
1 |
0 |
0 |
1 |
502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
0 |
0 |
0 |
0 |
1 |
1 |
507 |
Earth Boring, Well Treating, and Oil Field Chemistry |
0 |
1 |
0 |
0 |
0 |
1 |
516 |
Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting |
0 |
0 |
0 |
1 |
0 |
1 |
585 |
Chemistry of Hydrocarbon Compounds |
0 |
0 |
0 |
1 |
0 |
1 |
604 |
Surgery (Medicators and Receptors) |
0 |
0 |
0 |
0 |
1 |
1 |
707 |
DP: Database and File Management or Data Structures (Data Processing) |
0 |
1 |
0 |
0 |
0 |
1 |
712 |
Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) |
0 |
1 |
0 |
0 |
0 |
1 |
725 |
Interactive Video Distribution Systems |
0 |
1 |
0 |
0 |
0 |
1 |
ALL |
ALL CLASSES |
152 |
158 |
202 |
161 |
210 |
883 |