438 |
Semiconductor Device Manufacturing: Process |
73 |
65 |
68 |
57 |
58 |
321 |
257 |
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) |
53 |
37 |
50 |
56 |
52 |
248 |
360 |
Dynamic Magnetic Information Storage or Retrieval |
56 |
25 |
22 |
14 |
18 |
135 |
385 |
Optical Waveguides |
10 |
14 |
9 |
9 |
6 |
48 |
324 |
Electricity: Measuring and Testing |
8 |
10 |
9 |
14 |
4 |
45 |
375 |
Pulse or Digital Communications |
8 |
4 |
13 |
8 |
5 |
38 |
439 |
Electrical Connectors |
5 |
6 |
5 |
7 |
8 |
31 |
455 |
Telecommunications |
5 |
3 |
7 |
11 |
5 |
31 |
330 |
Amplifiers |
2 |
0 |
9 |
9 |
10 |
30 |
345 |
Computer Graphics Processing and Selective Visual Display Systems |
3 |
2 |
12 |
6 |
6 |
29 |
347 |
Incremental Printing of Symbolic Information |
9 |
5 |
4 |
8 |
3 |
29 |
382 |
Image Analysis |
5 |
5 |
3 |
3 |
11 |
27 |
228 |
Metal Fusion Bonding |
8 |
4 |
2 |
7 |
4 |
25 |
250 |
Radiant Energy |
3 |
7 |
2 |
5 |
7 |
24 |
348 |
Television |
4 |
4 |
5 |
5 |
6 |
24 |
318 |
Electricity: Motive Power Systems |
2 |
3 |
1 |
6 |
11 |
23 |
327 |
Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems |
4 |
4 |
5 |
5 |
4 |
22 |
435 |
Chemistry: Molecular Biology and Microbiology |
4 |
2 |
7 |
1 |
8 |
22 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
9 |
4 |
2 |
2 |
4 |
21 |
424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
4 |
3 |
3 |
5 |
5 |
20 |
714 |
Error Detection/Correction and Fault Detection/Recovery |
3 |
1 |
4 |
7 |
5 |
20 |
365 |
Static Information Storage and Retrieval |
7 |
5 |
2 |
2 |
3 |
19 |
451 |
Abrading |
1 |
2 |
7 |
9 |
0 |
19 |
370 |
Multiplex Communications |
5 |
3 |
2 |
4 |
4 |
18 |
310 |
Electrical Generator or Motor Structure |
3 |
4 |
3 |
3 |
4 |
17 |
700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
5 |
3 |
5 |
1 |
3 |
17 |
713 |
Support (Electrical Computers and Digital Processing Systems) |
2 |
2 |
5 |
5 |
3 |
17 |
029 |
Metal Working |
4 |
1 |
6 |
3 |
2 |
16 |
343 |
Communications: Radio Wave Antennas |
4 |
3 |
2 |
3 |
3 |
15 |
073 |
Measuring and Testing |
3 |
4 |
2 |
3 |
2 |
14 |
361 |
Electricity: Electrical Systems and Devices |
5 |
1 |
2 |
5 |
1 |
14 |
532 |
Organic Compounds (includes Classes 532-570) |
2 |
1 |
7 |
1 |
3 |
14 |
704 |
DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) |
1 |
3 |
4 |
1 |
5 |
14 |
166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
4 |
2 |
4 |
1 |
2 |
13 |
520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
0 |
3 |
4 |
6 |
0 |
13 |
271 |
Sheet Feeding or Delivering |
1 |
4 |
2 |
4 |
1 |
12 |
326 |
Electronic Digital Logic Circuitry |
2 |
0 |
0 |
6 |
4 |
12 |
710 |
Input/Output (Electrical Computers and Digital Processing Systems) |
1 |
0 |
9 |
0 |
2 |
12 |
711 |
Memory (Electrical Computers and Digital Processing Systems) |
2 |
2 |
6 |
0 |
2 |
12 |
219 |
Electric Heating |
5 |
3 |
0 |
2 |
1 |
11 |
340 |
Communications: Electrical |
1 |
2 |
3 |
1 |
4 |
11 |
356 |
Optics: Measuring and Testing |
1 |
3 |
0 |
4 |
3 |
11 |
428 |
Stock Material or Miscellaneous Articles |
2 |
1 |
3 |
1 |
4 |
11 |
707 |
DP: Database and File Management or Data Structures (Data Processing) |
2 |
0 |
4 |
0 |
5 |
11 |
128 |
Surgery (includes Class 600) |
2 |
2 |
2 |
1 |
3 |
10 |
204 |
Chemistry: Electrical and Wave Energy |
6 |
2 |
1 |
1 |
0 |
10 |
341 |
Coded Data Generation or Conversion |
3 |
1 |
2 |
1 |
3 |
10 |
372 |
Coherent Light Generators |
3 |
4 |
0 |
0 |
3 |
10 |
381 |
Electrical Audio Signal Processing Systems and Devices |
0 |
2 |
2 |
2 |
4 |
10 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
3 |
1 |
0 |
1 |
5 |
10 |
800 |
Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes |
0 |
3 |
2 |
3 |
2 |
10 |
313 |
Electric Lamp and Discharge Devices |
1 |
2 |
3 |
1 |
2 |
9 |
331 |
Oscillators |
2 |
1 |
2 |
2 |
2 |
9 |
430 |
Radiation Imagery Chemistry: Process, Composition, or Product Thereof |
3 |
2 |
1 |
1 |
2 |
9 |
709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
2 |
2 |
0 |
3 |
2 |
9 |
089 |
Ordnance |
3 |
4 |
0 |
0 |
1 |
8 |
210 |
Liquid Purification or Separation |
2 |
2 |
1 |
1 |
2 |
8 |
216 |
Etching a Substrate: Processes |
4 |
0 |
2 |
2 |
0 |
8 |
380 |
Cryptography |
1 |
1 |
1 |
2 |
3 |
8 |
604 |
Surgery (Medicators and Receptors) |
2 |
0 |
2 |
2 |
2 |
8 |
038 |
Textiles: Ironing or Smoothing |
0 |
2 |
3 |
0 |
2 |
7 |
206 |
Special Receptacle or Package |
3 |
0 |
1 |
0 |
3 |
7 |
235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
1 |
1 |
2 |
3 |
0 |
7 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
4 |
1 |
0 |
2 |
0 |
7 |
400 |
Typewriting Machines |
1 |
2 |
1 |
1 |
2 |
7 |
708 |
Arithmetic Processing and Calculating (Electrical Computers) |
0 |
1 |
1 |
3 |
2 |
7 |
720 |
Dynamic Optical Information Storage or Retrieval |
0 |
2 |
1 |
1 |
3 |
7 |
336 |
Inductor Devices |
3 |
0 |
3 |
0 |
0 |
6 |
369 |
Dynamic Information Storage or Retrieval |
2 |
2 |
1 |
1 |
0 |
6 |
398 |
Optical Communications |
0 |
1 |
2 |
2 |
1 |
6 |
716 |
DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) |
1 |
0 |
3 |
1 |
1 |
6 |
174 |
Electricity: Conductors and Insulators |
1 |
1 |
1 |
1 |
1 |
5 |
312 |
Supports: Cabinet Structure |
0 |
2 |
1 |
0 |
2 |
5 |
323 |
Electricity: Power Supply or Regulation Systems |
0 |
1 |
0 |
1 |
3 |
5 |
359 |
Optical: Systems and Elements |
0 |
1 |
1 |
2 |
1 |
5 |
363 |
Electric Power Conversion Systems |
1 |
0 |
1 |
0 |
3 |
5 |
417 |
Pumps |
0 |
1 |
2 |
1 |
1 |
5 |
419 |
Powder Metallurgy Processes |
3 |
0 |
1 |
0 |
1 |
5 |
425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
2 |
1 |
2 |
0 |
0 |
5 |
427 |
Coating Processes |
1 |
0 |
1 |
3 |
0 |
5 |
530 |
Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof |
0 |
0 |
0 |
3 |
2 |
5 |
072 |
Metal Deforming |
0 |
0 |
1 |
1 |
2 |
4 |
074 |
Machine Element or Mechanism |
1 |
0 |
1 |
1 |
1 |
4 |
083 |
Cutting |
1 |
1 |
1 |
1 |
0 |
4 |
114 |
Ships |
0 |
0 |
1 |
2 |
1 |
4 |
117 |
Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor |
2 |
1 |
0 |
0 |
1 |
4 |
134 |
Cleaning and Liquid Contact with Solids |
2 |
2 |
0 |
0 |
0 |
4 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
3 |
0 |
1 |
0 |
0 |
4 |
200 |
Electricity: Circuit Makers and Breakers |
0 |
1 |
1 |
2 |
0 |
4 |
333 |
Wave Transmission Lines and Networks |
0 |
1 |
1 |
1 |
1 |
4 |
405 |
Hydraulic and Earth Engineering |
1 |
1 |
0 |
1 |
1 |
4 |
423 |
Chemistry of Inorganic Compounds |
0 |
2 |
0 |
2 |
0 |
4 |
062 |
Refrigeration |
1 |
0 |
2 |
0 |
0 |
3 |
084 |
Music |
0 |
0 |
2 |
1 |
0 |
3 |
137 |
Fluid Handling |
1 |
1 |
0 |
1 |
0 |
3 |
165 |
Heat Exchange |
0 |
0 |
3 |
0 |
0 |
3 |
252 |
Compositions |
1 |
1 |
0 |
1 |
0 |
3 |
307 |
Electrical Transmission or Interconnection Systems |
0 |
1 |
1 |
0 |
1 |
3 |
342 |
Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) |
1 |
0 |
0 |
0 |
2 |
3 |
351 |
Optics: Eye Examining, Vision Testing and Correcting |
0 |
0 |
1 |
0 |
2 |
3 |
358 |
Facsimile and Static Presentation Processing |
0 |
2 |
1 |
0 |
0 |
3 |
401 |
Coating Implements with Material Supply |
1 |
0 |
1 |
0 |
1 |
3 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
0 |
0 |
0 |
1 |
2 |
3 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
0 |
0 |
0 |
2 |
1 |
3 |
706 |
DP: Artificial Intelligence (Data Processing) |
0 |
0 |
0 |
1 |
2 |
3 |
015 |
Brushing, Scrubbing, and General Cleaning |
1 |
1 |
0 |
0 |
0 |
2 |
033 |
Geometrical Instruments |
1 |
1 |
0 |
0 |
0 |
2 |
066 |
Textiles: Knitting |
1 |
0 |
1 |
0 |
0 |
2 |
101 |
Printing |
1 |
0 |
0 |
1 |
0 |
2 |
148 |
Metal Treatment |
1 |
1 |
0 |
0 |
0 |
2 |
181 |
Acoustics |
0 |
1 |
0 |
0 |
1 |
2 |
211 |
Supports: Racks |
0 |
0 |
2 |
0 |
0 |
2 |
232 |
Deposit and Collection Receptacles |
0 |
1 |
0 |
1 |
0 |
2 |
244 |
Aeronautics and Astronautics |
1 |
1 |
0 |
0 |
0 |
2 |
248 |
Supports (e.g., for holding articles, etc.) |
1 |
1 |
0 |
0 |
0 |
2 |
273 |
Amusement Devices: Games |
0 |
0 |
0 |
1 |
1 |
2 |
294 |
Handling: Hand and Hoist-Line Implements |
0 |
0 |
0 |
2 |
0 |
2 |
296 |
Land Vehicles: Bodies and Tops |
0 |
0 |
0 |
1 |
1 |
2 |
315 |
Electric Lamp and Discharge Devices: Systems |
0 |
0 |
1 |
0 |
1 |
2 |
349 |
Liquid Crystal Cells, Elements and Systems |
0 |
1 |
1 |
0 |
0 |
2 |
362 |
Illumination |
0 |
0 |
1 |
0 |
1 |
2 |
377 |
Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems |
1 |
1 |
0 |
0 |
0 |
2 |
379 |
Telephonic Communications |
2 |
0 |
0 |
0 |
0 |
2 |
386 |
Television Signal Processing for Dynamic Recording or Reproducing |
1 |
0 |
1 |
0 |
0 |
2 |
392 |
Electric Resistance Heating Devices |
0 |
2 |
0 |
0 |
0 |
2 |
396 |
Photography |
0 |
0 |
2 |
0 |
0 |
2 |
403 |
Joints and Connections |
1 |
0 |
1 |
0 |
0 |
2 |
414 |
Material or Article Handling |
0 |
0 |
2 |
0 |
0 |
2 |
420 |
Alloys or Metallic Compositions |
0 |
1 |
1 |
0 |
0 |
2 |
436 |
Chemistry: Analytical and Immunological Testing |
0 |
1 |
0 |
1 |
0 |
2 |
446 |
Amusement Devices: Toys |
2 |
0 |
0 |
0 |
0 |
2 |
474 |
Endless Belt Power Transmission Systems or Components |
0 |
1 |
0 |
1 |
0 |
2 |
703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
0 |
1 |
1 |
0 |
0 |
2 |
715 |
DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) |
1 |
0 |
0 |
0 |
1 |
2 |
717 |
DP: Software Development, Installation, and Management (Data Processing) |
1 |
0 |
0 |
0 |
1 |
2 |
726 |
Information Security |
0 |
1 |
0 |
0 |
1 |
2 |
005 |
Beds |
1 |
0 |
0 |
0 |
0 |
1 |
016 |
Miscellaneous Hardware |
1 |
0 |
0 |
0 |
0 |
1 |
034 |
Drying and Gas or Vapor Contact with Solids |
0 |
1 |
0 |
0 |
0 |
1 |
040 |
Card, Picture, or Sign Exhibiting |
1 |
0 |
0 |
0 |
0 |
1 |
052 |
Static Structures (e.g., Buildings) |
0 |
0 |
0 |
1 |
0 |
1 |
075 |
Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures |
0 |
1 |
0 |
0 |
0 |
1 |
081 |
Tools |
1 |
0 |
0 |
0 |
0 |
1 |
096 |
Gas Separation: Apparatus |
0 |
0 |
0 |
1 |
0 |
1 |
108 |
Horizontally Supported Planar Surfaces |
0 |
0 |
1 |
0 |
0 |
1 |
118 |
Coating Apparatus |
1 |
0 |
0 |
0 |
0 |
1 |
124 |
Mechanical Guns and Projectors |
0 |
0 |
0 |
0 |
1 |
1 |
141 |
Fluent Material Handling, with Receiver or Receiver Coacting Means |
0 |
0 |
0 |
0 |
1 |
1 |
160 |
Flexible or Portable Closure, Partition, or Panel |
0 |
0 |
0 |
0 |
1 |
1 |
162 |
Paper Making and Fiber Liberation |
1 |
0 |
0 |
0 |
0 |
1 |
175 |
Boring or Penetrating the Earth |
1 |
0 |
0 |
0 |
0 |
1 |
180 |
Motor Vehicles |
0 |
1 |
0 |
0 |
0 |
1 |
182 |
Fire Escape, Ladder, or Scaffold |
1 |
0 |
0 |
0 |
0 |
1 |
188 |
Brakes |
0 |
0 |
0 |
1 |
0 |
1 |
209 |
Classifying, Separating, and Assorting Solids |
0 |
0 |
0 |
0 |
1 |
1 |
220 |
Receptacles |
0 |
0 |
1 |
0 |
0 |
1 |
222 |
Dispensing (apparatus and process) |
0 |
0 |
0 |
1 |
0 |
1 |
242 |
Winding, Tensioning, or Guiding |
0 |
1 |
0 |
0 |
0 |
1 |
269 |
Work Holders |
1 |
0 |
0 |
0 |
0 |
1 |
292 |
Closure Fasteners |
0 |
0 |
0 |
0 |
1 |
1 |
314 |
Electric Lamp and Discharge Devices: Consumable Electrodes |
1 |
0 |
0 |
0 |
0 |
1 |
320 |
Electricity: Battery or Capacitor Charging or Discharging |
0 |
0 |
0 |
0 |
1 |
1 |
332 |
Modulators |
1 |
0 |
0 |
0 |
0 |
1 |
335 |
Electricity: Magnetically Operated Switches, Magnets, and Electromagnets |
0 |
0 |
0 |
0 |
1 |
1 |
353 |
Optics: Image Projectors |
0 |
0 |
0 |
1 |
0 |
1 |
355 |
Photocopying |
0 |
0 |
0 |
1 |
0 |
1 |
366 |
Agitating (e.g., of articles and materials) |
0 |
0 |
0 |
1 |
0 |
1 |
367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
1 |
0 |
0 |
0 |
0 |
1 |
374 |
Thermal Measuring and Testing |
1 |
0 |
0 |
0 |
0 |
1 |
378 |
X-Ray or Gamma Ray Systems or Devices |
0 |
0 |
1 |
0 |
0 |
1 |
384 |
Bearings |
1 |
0 |
0 |
0 |
0 |
1 |
404 |
Road Structure, Process, or Apparatus |
0 |
0 |
1 |
0 |
0 |
1 |
406 |
Conveyors: Fluid Current |
0 |
1 |
0 |
0 |
0 |
1 |
445 |
Electric Lamp or Space Discharge Component or Device Manufacturing |
0 |
0 |
0 |
1 |
0 |
1 |
473 |
Games Using Tangible Projectile |
0 |
0 |
0 |
0 |
1 |
1 |
501 |
Compositions: Ceramic |
0 |
1 |
0 |
0 |
0 |
1 |
502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
1 |
0 |
0 |
0 |
0 |
1 |
510 |
Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions |
1 |
0 |
0 |
0 |
0 |
1 |
585 |
Chemistry of Hydrocarbon Compounds |
0 |
0 |
0 |
1 |
0 |
1 |
602 |
Surgery: Splint, Brace, or Bandage |
1 |
0 |
0 |
0 |
0 |
1 |
606 |
Surgery (instruments) |
0 |
1 |
0 |
0 |
0 |
1 |
623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
0 |
0 |
1 |
0 |
0 |
1 |
712 |
Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) |
0 |
0 |
1 |
0 |
0 |
1 |
718 |
Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) |
0 |
0 |
1 |
0 |
0 |
1 |
719 |
Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) |
0 |
1 |
0 |
0 |
0 |
1 |
ALL |
ALL CLASSES |
449 |
346 |
412 |
393 |
399 |
1999 |