438 |
Semiconductor Device Manufacturing: Process |
58 |
59 |
117 |
132 |
135 |
501 |
257 |
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) |
52 |
42 |
76 |
122 |
146 |
438 |
360 |
Dynamic Magnetic Information Storage or Retrieval |
18 |
20 |
20 |
14 |
18 |
90 |
375 |
Pulse or Digital Communications |
5 |
9 |
17 |
17 |
26 |
74 |
370 |
Multiplex Communications |
4 |
14 |
12 |
11 |
13 |
54 |
424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
5 |
2 |
5 |
14 |
27 |
53 |
381 |
Electrical Audio Signal Processing Systems and Devices |
4 |
2 |
5 |
8 |
33 |
52 |
382 |
Image Analysis |
11 |
7 |
11 |
9 |
14 |
52 |
439 |
Electrical Connectors |
8 |
9 |
15 |
15 |
5 |
52 |
327 |
Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems |
4 |
11 |
16 |
13 |
6 |
50 |
455 |
Telecommunications |
5 |
6 |
12 |
12 |
14 |
49 |
330 |
Amplifiers |
10 |
13 |
13 |
4 |
4 |
44 |
435 |
Chemistry: Molecular Biology and Microbiology |
8 |
11 |
7 |
7 |
9 |
42 |
318 |
Electricity: Motive Power Systems |
11 |
6 |
8 |
4 |
9 |
38 |
348 |
Television |
6 |
2 |
7 |
5 |
18 |
38 |
385 |
Optical Waveguides |
6 |
4 |
14 |
2 |
7 |
33 |
532 |
Organic Compounds (includes Classes 532-570) |
3 |
7 |
4 |
6 |
10 |
30 |
250 |
Radiant Energy |
7 |
8 |
1 |
5 |
7 |
28 |
704 |
DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) |
5 |
2 |
5 |
6 |
9 |
27 |
713 |
Support (Electrical Computers and Digital Processing Systems) |
3 |
7 |
4 |
5 |
7 |
26 |
228 |
Metal Fusion Bonding |
4 |
9 |
5 |
3 |
4 |
25 |
428 |
Stock Material or Miscellaneous Articles |
4 |
3 |
5 |
5 |
8 |
25 |
709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
2 |
5 |
5 |
7 |
6 |
25 |
323 |
Electricity: Power Supply or Regulation Systems |
3 |
5 |
7 |
4 |
5 |
24 |
361 |
Electricity: Electrical Systems and Devices |
1 |
4 |
8 |
4 |
7 |
24 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
4 |
5 |
6 |
6 |
3 |
24 |
710 |
Input/Output (Electrical Computers and Digital Data Processing Systems) |
2 |
4 |
6 |
4 |
8 |
24 |
714 |
Error Detection/Correction and Fault Detection/Recovery |
5 |
4 |
3 |
6 |
6 |
24 |
038 |
Textiles: Ironing or Smoothing |
2 |
4 |
6 |
4 |
5 |
21 |
324 |
Electricity: Measuring and Testing |
4 |
1 |
6 |
6 |
4 |
21 |
707 |
DP: Database and File Management or Data Structures (Data Processing) |
5 |
1 |
4 |
2 |
9 |
21 |
726 |
Information Security |
1 |
9 |
3 |
3 |
5 |
21 |
340 |
Communications: Electrical |
4 |
3 |
6 |
2 |
5 |
20 |
326 |
Electronic Digital Logic Circuitry |
4 |
5 |
3 |
4 |
3 |
19 |
341 |
Coded Data Generation or Conversion |
3 |
6 |
2 |
3 |
5 |
19 |
029 |
Metal Working |
2 |
6 |
5 |
3 |
2 |
18 |
073 |
Measuring and Testing |
2 |
6 |
1 |
6 |
3 |
18 |
345 |
Computer Graphics Processing and Selective Visual Display Systems |
6 |
2 |
2 |
2 |
6 |
18 |
356 |
Optics: Measuring and Testing |
3 |
3 |
5 |
3 |
4 |
18 |
128 |
Surgery (includes Class 600) |
3 |
4 |
4 |
3 |
3 |
17 |
604 |
Surgery (Medicators and Receptors) |
2 |
2 |
4 |
2 |
7 |
17 |
700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
3 |
1 |
2 |
6 |
5 |
17 |
206 |
Special Receptacle or Package |
3 |
1 |
7 |
4 |
1 |
16 |
363 |
Electric Power Conversion Systems |
3 |
0 |
4 |
1 |
8 |
16 |
430 |
Radiation Imagery Chemistry: Process, Composition, or Product Thereof |
2 |
2 |
3 |
6 |
3 |
16 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
5 |
1 |
2 |
4 |
3 |
15 |
711 |
Memory (Electrical Computers and Digital Processing Systems) |
2 |
0 |
6 |
4 |
3 |
15 |
520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
0 |
1 |
5 |
4 |
4 |
14 |
347 |
Incremental Printing of Symbolic Information |
3 |
2 |
2 |
2 |
4 |
13 |
331 |
Oscillators |
2 |
3 |
3 |
3 |
1 |
12 |
343 |
Communications: Radio Wave Antennas |
3 |
5 |
2 |
1 |
1 |
12 |
398 |
Optical Communications |
1 |
2 |
2 |
1 |
6 |
12 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
0 |
2 |
4 |
4 |
1 |
11 |
310 |
Electrical Generator or Motor Structure |
4 |
1 |
4 |
2 |
0 |
11 |
359 |
Optical: Systems and Elements |
1 |
3 |
4 |
2 |
1 |
11 |
380 |
Cryptography |
3 |
3 |
2 |
1 |
2 |
11 |
706 |
DP: Artificial Intelligence (Data Processing) |
2 |
3 |
3 |
1 |
2 |
11 |
271 |
Sheet Feeding or Delivering |
1 |
0 |
4 |
2 |
3 |
10 |
320 |
Electricity: Battery or Capacitor Charging or Discharging |
1 |
2 |
1 |
4 |
2 |
10 |
333 |
Wave Transmission Lines and Networks |
1 |
1 |
2 |
1 |
5 |
10 |
720 |
Dynamic Optical Information Storage or Retrieval |
3 |
1 |
1 |
2 |
3 |
10 |
800 |
Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes |
2 |
0 |
2 |
1 |
5 |
10 |
210 |
Liquid Purification or Separation |
2 |
2 |
0 |
2 |
3 |
9 |
405 |
Hydraulic and Earth Engineering |
1 |
1 |
4 |
2 |
1 |
9 |
427 |
Coating Processes |
0 |
1 |
3 |
2 |
3 |
9 |
510 |
Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions |
0 |
5 |
0 |
1 |
3 |
9 |
715 |
DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) |
1 |
1 |
4 |
2 |
1 |
9 |
114 |
Ships |
1 |
1 |
1 |
3 |
2 |
8 |
313 |
Electric Lamp and Discharge Devices |
2 |
0 |
2 |
3 |
1 |
8 |
351 |
Optics: Eye Examining, Vision Testing and Correcting |
2 |
2 |
1 |
2 |
1 |
8 |
369 |
Dynamic Information Storage or Retrieval |
0 |
1 |
0 |
3 |
4 |
8 |
425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
0 |
1 |
2 |
4 |
1 |
8 |
717 |
DP: Software Development, Installation, and Management (Data Processing) |
1 |
1 |
0 |
4 |
2 |
8 |
084 |
Music |
0 |
4 |
0 |
1 |
2 |
7 |
216 |
Etching a Substrate: Processes |
0 |
0 |
1 |
2 |
4 |
7 |
219 |
Electric Heating |
1 |
1 |
2 |
2 |
1 |
7 |
315 |
Electric Lamp and Discharge Devices: Systems |
1 |
1 |
1 |
4 |
0 |
7 |
530 |
Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof |
2 |
2 |
1 |
1 |
1 |
7 |
708 |
Arithmetic Processing and Calculating (Electrical Computers) |
2 |
0 |
1 |
2 |
2 |
7 |
205 |
Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions |
0 |
1 |
3 |
0 |
2 |
6 |
235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
0 |
1 |
0 |
2 |
3 |
6 |
290 |
Prime-Mover Dynamo Plants |
0 |
0 |
0 |
0 |
6 |
6 |
307 |
Electrical Transmission or Interconnection Systems |
1 |
2 |
0 |
2 |
1 |
6 |
362 |
Illumination |
1 |
2 |
1 |
1 |
1 |
6 |
365 |
Static Information Storage and Retrieval |
3 |
1 |
1 |
0 |
1 |
6 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
2 |
1 |
1 |
1 |
1 |
6 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
1 |
2 |
0 |
0 |
3 |
6 |
606 |
Surgery (instruments) |
0 |
2 |
0 |
0 |
4 |
6 |
074 |
Machine Element or Mechanism |
1 |
0 |
2 |
1 |
1 |
5 |
166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
2 |
1 |
0 |
0 |
2 |
5 |
174 |
Electricity: Conductors and Insulators |
1 |
0 |
0 |
1 |
3 |
5 |
198 |
Conveyors: Power-Driven |
0 |
2 |
0 |
2 |
1 |
5 |
312 |
Supports: Cabinet Structure |
2 |
1 |
2 |
0 |
0 |
5 |
342 |
Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) |
2 |
1 |
1 |
1 |
0 |
5 |
386 |
Motion Video Signal Processing for Recording or Reproducing |
0 |
0 |
1 |
1 |
3 |
5 |
399 |
Electrophotography |
0 |
0 |
4 |
0 |
1 |
5 |
400 |
Typewriting Machines |
2 |
0 |
1 |
0 |
2 |
5 |
716 |
Computer-Aided Design and Analysis of Circuits and Semiconductor Masks |
1 |
1 |
2 |
1 |
0 |
5 |
053 |
Package Making |
0 |
2 |
0 |
0 |
2 |
4 |
136 |
Batteries: Thermoelectric and Photoelectric |
0 |
1 |
1 |
1 |
1 |
4 |
200 |
Electricity: Circuit Makers and Breakers |
0 |
1 |
1 |
2 |
0 |
4 |
248 |
Supports (e.g., for holding articles, etc.) |
0 |
3 |
0 |
1 |
0 |
4 |
358 |
Facsimile and Static Presentation Processing |
0 |
2 |
1 |
1 |
0 |
4 |
372 |
Coherent Light Generators |
3 |
1 |
0 |
0 |
0 |
4 |
379 |
Telephonic Communications |
0 |
0 |
0 |
2 |
2 |
4 |
417 |
Pumps |
1 |
1 |
0 |
1 |
1 |
4 |
423 |
Chemistry of Inorganic Compounds |
0 |
0 |
1 |
3 |
0 |
4 |
072 |
Metal Deforming |
2 |
1 |
0 |
0 |
0 |
3 |
123 |
Internal-Combustion Engines |
0 |
0 |
2 |
1 |
0 |
3 |
134 |
Cleaning and Liquid Contact with Solids |
0 |
0 |
0 |
2 |
1 |
3 |
204 |
Chemistry: Electrical and Wave Energy |
0 |
0 |
0 |
2 |
1 |
3 |
252 |
Compositions |
0 |
0 |
0 |
1 |
2 |
3 |
280 |
Land Vehicles |
0 |
0 |
1 |
0 |
2 |
3 |
336 |
Inductor Devices |
0 |
1 |
0 |
0 |
2 |
3 |
378 |
X-Ray or Gamma Ray Systems or Devices |
0 |
0 |
0 |
1 |
2 |
3 |
401 |
Coating Implements with Material Supply |
1 |
1 |
0 |
1 |
0 |
3 |
415 |
Rotary Kinetic Fluid Motors or Pumps |
0 |
0 |
1 |
1 |
1 |
3 |
416 |
Fluid Reaction Surfaces (i.e., Impellers) |
0 |
0 |
0 |
1 |
2 |
3 |
418 |
Rotary Expansible Chamber Devices |
0 |
0 |
1 |
1 |
1 |
3 |
436 |
Chemistry: Analytical and Immunological Testing |
0 |
0 |
0 |
2 |
1 |
3 |
473 |
Games Using Tangible Projectile |
1 |
0 |
1 |
1 |
0 |
3 |
719 |
Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) |
0 |
0 |
0 |
2 |
1 |
3 |
015 |
Brushing, Scrubbing, and General Cleaning |
0 |
0 |
0 |
1 |
1 |
2 |
016 |
Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) |
0 |
0 |
1 |
0 |
1 |
2 |
030 |
Cutlery |
0 |
0 |
1 |
1 |
0 |
2 |
033 |
Geometrical Instruments |
0 |
1 |
1 |
0 |
0 |
2 |
095 |
Gas Separation: Processes |
0 |
0 |
1 |
0 |
1 |
2 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
0 |
0 |
0 |
0 |
2 |
2 |
160 |
Flexible or Portable Closure, Partition, or Panel |
1 |
0 |
1 |
0 |
0 |
2 |
181 |
Acoustics |
1 |
0 |
1 |
0 |
0 |
2 |
208 |
Mineral Oils: Processes and Products |
0 |
0 |
0 |
1 |
1 |
2 |
211 |
Supports: Racks |
0 |
0 |
1 |
0 |
1 |
2 |
212 |
Traversing Hoists |
0 |
0 |
0 |
1 |
1 |
2 |
273 |
Amusement Devices: Games |
1 |
1 |
0 |
0 |
0 |
2 |
296 |
Land Vehicles: Bodies and Tops |
1 |
0 |
1 |
0 |
0 |
2 |
322 |
Electricity: Single Generator Systems |
0 |
0 |
0 |
0 |
2 |
2 |
335 |
Electricity: Magnetically Operated Switches, Magnets, and Electromagnets |
1 |
0 |
1 |
0 |
0 |
2 |
355 |
Photocopying |
0 |
0 |
1 |
0 |
1 |
2 |
429 |
Chemistry: Electrical Current Producing Apparatus, Product, and Process |
0 |
0 |
1 |
0 |
1 |
2 |
451 |
Abrading |
0 |
0 |
0 |
0 |
2 |
2 |
463 |
Amusement Devices: Games |
0 |
0 |
1 |
0 |
1 |
2 |
474 |
Endless Belt Power Transmission Systems or Components |
0 |
0 |
1 |
1 |
0 |
2 |
502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
0 |
0 |
0 |
1 |
1 |
2 |
703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
0 |
1 |
0 |
0 |
1 |
2 |
004 |
Baths, Closets, Sinks, and Spittoons |
0 |
0 |
1 |
0 |
0 |
1 |
008 |
Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers |
0 |
0 |
1 |
0 |
0 |
1 |
040 |
Card, Picture, or Sign Exhibiting |
0 |
0 |
0 |
0 |
1 |
1 |
043 |
Fishing, Trapping, and Vermin Destroying |
0 |
0 |
0 |
1 |
0 |
1 |
049 |
Movable or Removable Closures |
0 |
0 |
0 |
0 |
1 |
1 |
052 |
Static Structures (e.g., Buildings) |
0 |
0 |
0 |
1 |
0 |
1 |
055 |
Gas Separation |
0 |
0 |
0 |
0 |
1 |
1 |
057 |
Textiles: Spinning, Twisting, and Twining |
0 |
0 |
0 |
0 |
1 |
1 |
060 |
Power Plants |
0 |
1 |
0 |
0 |
0 |
1 |
062 |
Refrigeration |
0 |
0 |
0 |
0 |
1 |
1 |
075 |
Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures |
0 |
1 |
0 |
0 |
0 |
1 |
089 |
Ordnance |
1 |
0 |
0 |
0 |
0 |
1 |
096 |
Gas Separation: Apparatus |
0 |
1 |
0 |
0 |
0 |
1 |
102 |
Ammunition and Explosives |
0 |
0 |
0 |
1 |
0 |
1 |
106 |
Compositions: Coating or Plastic |
0 |
1 |
0 |
0 |
0 |
1 |
108 |
Horizontally Supported Planar Surfaces |
0 |
0 |
0 |
0 |
1 |
1 |
117 |
Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor |
1 |
0 |
0 |
0 |
0 |
1 |
118 |
Coating Apparatus |
0 |
0 |
0 |
0 |
1 |
1 |
124 |
Mechanical Guns and Projectors |
1 |
0 |
0 |
0 |
0 |
1 |
126 |
Stoves and Furnaces |
0 |
1 |
0 |
0 |
0 |
1 |
135 |
Tent, Canopy, Umbrella, or Cane |
0 |
0 |
0 |
1 |
0 |
1 |
137 |
Fluid Handling |
0 |
0 |
0 |
0 |
1 |
1 |
138 |
Pipes and Tubular Conduits |
0 |
0 |
0 |
1 |
0 |
1 |
141 |
Fluent Material Handling, with Receiver or Receiver Coacting Means |
1 |
0 |
0 |
0 |
0 |
1 |
165 |
Heat Exchange |
0 |
0 |
1 |
0 |
0 |
1 |
180 |
Motor Vehicles |
0 |
0 |
0 |
1 |
0 |
1 |
192 |
Clutches and Power-Stop Control |
0 |
1 |
0 |
0 |
0 |
1 |
209 |
Classifying, Separating, and Assorting Solids |
1 |
0 |
0 |
0 |
0 |
1 |
239 |
Fluid Sprinkling, Spraying, and Diffusing |
0 |
0 |
0 |
1 |
0 |
1 |
242 |
Winding, Tensioning, or Guiding |
0 |
0 |
1 |
0 |
0 |
1 |
251 |
Valves and Valve Actuation |
0 |
0 |
0 |
1 |
0 |
1 |
277 |
Seal for a Joint or Juncture |
0 |
1 |
0 |
0 |
0 |
1 |
279 |
Chucks or Sockets |
0 |
1 |
0 |
0 |
0 |
1 |
292 |
Closure Fasteners |
1 |
0 |
0 |
0 |
0 |
1 |
297 |
Chairs and Seats |
0 |
0 |
0 |
1 |
0 |
1 |
329 |
Demodulators |
0 |
1 |
0 |
0 |
0 |
1 |
338 |
Electrical Resistors |
0 |
0 |
0 |
0 |
1 |
1 |
349 |
Liquid Crystal Cells, Elements and Systems |
0 |
0 |
0 |
1 |
0 |
1 |
367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
0 |
0 |
0 |
0 |
1 |
1 |
396 |
Photography |
0 |
1 |
0 |
0 |
0 |
1 |
403 |
Joints and Connections |
0 |
0 |
0 |
0 |
1 |
1 |
409 |
Gear Cutting, Milling, or Planing |
0 |
1 |
0 |
0 |
0 |
1 |
411 |
Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener |
0 |
0 |
0 |
0 |
1 |
1 |
419 |
Powder Metallurgy Processes |
1 |
0 |
0 |
0 |
0 |
1 |
420 |
Alloys or Metallic Compositions |
0 |
0 |
1 |
0 |
0 |
1 |
432 |
Heating |
0 |
0 |
1 |
0 |
0 |
1 |
433 |
Dentistry |
0 |
0 |
0 |
0 |
1 |
1 |
442 |
Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) |
0 |
0 |
1 |
0 |
0 |
1 |
506 |
Combinatorial Chemistry Technology: Method, Library, Apparatus |
0 |
0 |
0 |
1 |
0 |
1 |
601 |
Surgery: Kinesitherapy |
0 |
0 |
0 |
0 |
1 |
1 |
602 |
Surgery: Splint, Brace, or Bandage |
0 |
0 |
1 |
0 |
0 |
1 |
607 |
Surgery: Light, Thermal, and Electrical Application |
0 |
0 |
0 |
1 |
0 |
1 |
718 |
Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) |
0 |
0 |
0 |
0 |
1 |
1 |
725 |
Interactive Video Distribution Systems |
0 |
0 |
0 |
0 |
1 |
1 |
ALL |
ALL CLASSES |
399 |
436 |
603 |
647 |
810 |
2895 |