520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
70 |
58 |
69 |
77 |
73 |
347 |
532 |
Organic Compounds (includes Classes 532-570) |
42 |
47 |
59 |
51 |
54 |
253 |
424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
33 |
27 |
27 |
34 |
28 |
149 |
428 |
Stock Material or Miscellaneous Articles |
24 |
26 |
33 |
18 |
23 |
124 |
435 |
Chemistry: Molecular Biology and Microbiology |
11 |
12 |
13 |
19 |
28 |
83 |
106 |
Compositions: Coating or Plastic |
6 |
14 |
8 |
12 |
5 |
45 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
7 |
14 |
9 |
7 |
6 |
43 |
252 |
Compositions |
14 |
16 |
5 |
5 |
1 |
41 |
430 |
Radiation Imagery Chemistry: Process, Composition, or Product Thereof |
3 |
8 |
7 |
6 |
9 |
33 |
502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
1 |
3 |
6 |
11 |
9 |
30 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
11 |
4 |
6 |
4 |
3 |
28 |
427 |
Coating Processes |
5 |
6 |
7 |
6 |
4 |
28 |
504 |
Plant Protecting and Regulating Compositions |
10 |
5 |
7 |
2 |
4 |
28 |
451 |
Abrading |
1 |
1 |
2 |
7 |
9 |
20 |
162 |
Paper Making and Fiber Liberation |
5 |
3 |
2 |
3 |
6 |
19 |
204 |
Chemistry: Electrical and Wave Energy |
1 |
2 |
11 |
2 |
3 |
19 |
800 |
Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes |
3 |
3 |
5 |
1 |
7 |
19 |
423 |
Chemistry of Inorganic Compounds |
2 |
4 |
5 |
3 |
4 |
18 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
6 |
2 |
4 |
3 |
1 |
16 |
442 |
Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) |
4 |
3 |
4 |
3 |
2 |
16 |
604 |
Surgery (Medicators and Receptors) |
3 |
2 |
4 |
5 |
2 |
16 |
436 |
Chemistry: Analytical and Immunological Testing |
0 |
7 |
2 |
4 |
1 |
14 |
095 |
Gas Separation: Processes |
1 |
0 |
3 |
4 |
5 |
13 |
210 |
Liquid Purification or Separation |
1 |
2 |
4 |
0 |
6 |
13 |
205 |
Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions |
1 |
2 |
4 |
4 |
1 |
12 |
510 |
Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions |
2 |
3 |
1 |
4 |
2 |
12 |
073 |
Measuring and Testing |
4 |
3 |
3 |
0 |
1 |
11 |
585 |
Chemistry of Hydrocarbon Compounds |
1 |
0 |
3 |
4 |
3 |
11 |
083 |
Cutting |
0 |
4 |
1 |
2 |
3 |
10 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
3 |
3 |
2 |
1 |
1 |
10 |
096 |
Gas Separation: Apparatus |
0 |
2 |
3 |
3 |
1 |
9 |
606 |
Surgery (instruments) |
2 |
4 |
2 |
0 |
1 |
9 |
002 |
Apparel |
2 |
2 |
1 |
2 |
1 |
8 |
359 |
Optics: Systems (Including Communication) and Elements |
1 |
1 |
4 |
2 |
0 |
8 |
382 |
Image Analysis |
3 |
1 |
1 |
2 |
1 |
8 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
0 |
2 |
3 |
3 |
0 |
8 |
055 |
Gas Separation |
1 |
3 |
1 |
2 |
0 |
7 |
174 |
Electricity: Conductors and Insulators |
1 |
4 |
0 |
0 |
2 |
7 |
219 |
Electric Heating |
0 |
0 |
2 |
4 |
1 |
7 |
411 |
Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener |
1 |
1 |
2 |
0 |
3 |
7 |
429 |
Chemistry: Electrical Current Producing Apparatus, Product, and Process |
1 |
1 |
1 |
2 |
2 |
7 |
530 |
Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof |
3 |
2 |
1 |
0 |
1 |
7 |
028 |
Textiles: Manufacturing |
2 |
0 |
2 |
2 |
0 |
6 |
049 |
Movable or Removable Closures |
0 |
3 |
2 |
1 |
0 |
6 |
118 |
Coating Apparatus |
1 |
3 |
0 |
2 |
0 |
6 |
119 |
Animal Husbandry |
1 |
1 |
1 |
2 |
1 |
6 |
250 |
Radiant Energy |
1 |
1 |
1 |
1 |
2 |
6 |
285 |
Pipe Joints or Couplings |
1 |
1 |
1 |
3 |
0 |
6 |
362 |
Illumination |
0 |
1 |
2 |
1 |
2 |
6 |
385 |
Optical Waveguides |
0 |
2 |
2 |
2 |
0 |
6 |
438 |
Semiconductor Device Manufacturing: Process |
0 |
1 |
1 |
2 |
2 |
6 |
473 |
Games Using Tangible Projectile |
1 |
1 |
1 |
2 |
1 |
6 |
501 |
Compositions: Ceramic |
3 |
2 |
0 |
1 |
0 |
6 |
005 |
Beds |
3 |
0 |
0 |
0 |
2 |
5 |
062 |
Refrigeration |
1 |
3 |
0 |
0 |
1 |
5 |
128 |
Surgery (includes Class 600) |
1 |
2 |
1 |
0 |
1 |
5 |
137 |
Fluid Handling |
0 |
1 |
2 |
2 |
0 |
5 |
248 |
Supports (e.g., for holding articles, etc.) |
1 |
0 |
1 |
1 |
2 |
5 |
257 |
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) |
0 |
4 |
0 |
1 |
0 |
5 |
340 |
Communications: Electrical |
1 |
2 |
1 |
0 |
1 |
5 |
366 |
Agitating (e.g., of articles and materials) |
0 |
2 |
1 |
1 |
1 |
5 |
505 |
Superconductor Technology: Apparatus, Material, Process |
0 |
3 |
1 |
1 |
0 |
5 |
004 |
Baths, Closets, Sinks, and Spittoons |
0 |
1 |
2 |
1 |
0 |
4 |
008 |
Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers |
1 |
0 |
2 |
1 |
0 |
4 |
015 |
Brushing, Scrubbing, and General Cleaning |
0 |
0 |
0 |
1 |
3 |
4 |
029 |
Metal Working |
1 |
0 |
1 |
1 |
1 |
4 |
052 |
Static Structures (e.g., Buildings) |
1 |
0 |
2 |
0 |
1 |
4 |
053 |
Package Making |
0 |
0 |
2 |
2 |
0 |
4 |
074 |
Machine Element or Mechanism |
2 |
1 |
0 |
0 |
1 |
4 |
101 |
Printing |
1 |
1 |
1 |
0 |
1 |
4 |
136 |
Batteries: Thermoelectric and Photoelectric |
0 |
0 |
0 |
2 |
2 |
4 |
160 |
Flexible or Portable Closure, Partition, or Panel |
1 |
1 |
1 |
0 |
1 |
4 |
164 |
Metal Founding |
0 |
0 |
2 |
0 |
2 |
4 |
203 |
Distillation: Processes, Separatory |
0 |
1 |
2 |
1 |
0 |
4 |
206 |
Special Receptacle or Package |
1 |
0 |
1 |
2 |
0 |
4 |
211 |
Supports: Racks |
3 |
0 |
1 |
0 |
0 |
4 |
269 |
Work Holders |
1 |
0 |
2 |
0 |
1 |
4 |
280 |
Land Vehicles |
0 |
2 |
2 |
0 |
0 |
4 |
345 |
Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems |
0 |
1 |
2 |
0 |
1 |
4 |
351 |
Optics: Eye Examining, Vision Testing and Correcting |
2 |
0 |
1 |
1 |
0 |
4 |
356 |
Optics: Measuring and Testing |
0 |
2 |
0 |
2 |
0 |
4 |
358 |
Facsimile and Static Presentation Processing |
0 |
0 |
2 |
1 |
1 |
4 |
439 |
Electrical Connectors |
2 |
0 |
0 |
1 |
1 |
4 |
024 |
Buckles, Buttons, Clasps, Etc. |
0 |
0 |
1 |
1 |
1 |
3 |
043 |
Fishing, Trapping, and Vermin Destroying |
0 |
1 |
2 |
0 |
0 |
3 |
099 |
Foods and Beverages: Apparatus |
0 |
2 |
0 |
0 |
1 |
3 |
108 |
Horizontally Supported Planar Surfaces |
0 |
0 |
2 |
0 |
1 |
3 |
149 |
Explosive and Thermic Compositions or Charges |
1 |
2 |
0 |
0 |
0 |
3 |
165 |
Heat Exchange |
0 |
0 |
0 |
1 |
2 |
3 |
216 |
Etching a Substrate: Processes |
1 |
1 |
1 |
0 |
0 |
3 |
220 |
Receptacles |
0 |
0 |
1 |
1 |
1 |
3 |
221 |
Article Dispensing |
0 |
1 |
0 |
1 |
1 |
3 |
229 |
Envelopes, Wrappers, and Paperboard Boxes |
0 |
0 |
1 |
2 |
0 |
3 |
242 |
Winding, Tensioning, or Guiding |
0 |
0 |
0 |
3 |
0 |
3 |
244 |
Aeronautics |
0 |
1 |
0 |
1 |
1 |
3 |
277 |
Seal for a Joint or Juncture |
0 |
0 |
2 |
0 |
1 |
3 |
313 |
Electric Lamp and Discharge Devices |
0 |
0 |
0 |
2 |
1 |
3 |
414 |
Material or Article Handling |
1 |
2 |
0 |
0 |
0 |
3 |
432 |
Heating |
0 |
1 |
1 |
1 |
0 |
3 |
482 |
Exercise Devices |
2 |
1 |
0 |
0 |
0 |
3 |
623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
2 |
1 |
0 |
0 |
0 |
3 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
1 |
0 |
1 |
0 |
1 |
3 |
016 |
Miscellaneous Hardware |
0 |
2 |
0 |
0 |
0 |
2 |
034 |
Drying and Gas or Vapor Contact with Solids |
0 |
0 |
2 |
0 |
0 |
2 |
036 |
Boots, Shoes, and Leggings |
1 |
0 |
1 |
0 |
0 |
2 |
040 |
Card, Picture, or Sign Exhibiting |
1 |
0 |
0 |
0 |
1 |
2 |
047 |
Plant Husbandry |
0 |
0 |
0 |
1 |
1 |
2 |
057 |
Textiles: Spinning, Twisting, and Twining |
1 |
1 |
0 |
0 |
0 |
2 |
060 |
Power Plants |
0 |
0 |
0 |
1 |
1 |
2 |
089 |
Ordnance |
1 |
0 |
1 |
0 |
0 |
2 |
112 |
Sewing |
1 |
0 |
0 |
0 |
1 |
2 |
123 |
Internal-Combustion Engines |
0 |
0 |
1 |
0 |
1 |
2 |
188 |
Brakes |
0 |
0 |
2 |
0 |
0 |
2 |
208 |
Mineral Oils: Processes and Products |
1 |
0 |
0 |
1 |
0 |
2 |
226 |
Advancing Material of Indeterminate Length |
0 |
0 |
1 |
0 |
1 |
2 |
246 |
Railway Switches and Signals |
0 |
1 |
0 |
1 |
0 |
2 |
254 |
Implements or Apparatus for Applying Pushing or Pulling Force |
0 |
0 |
1 |
1 |
0 |
2 |
292 |
Closure Fasteners |
0 |
0 |
0 |
2 |
0 |
2 |
294 |
Handling: Hand and Hoist-Line Implements |
1 |
0 |
0 |
1 |
0 |
2 |
315 |
Electric Lamp and Discharge Devices: Systems |
0 |
1 |
0 |
1 |
0 |
2 |
332 |
Modulators |
0 |
0 |
1 |
0 |
1 |
2 |
361 |
Electricity: Electrical Systems and Devices |
0 |
1 |
1 |
0 |
0 |
2 |
378 |
X-Ray or Gamma Ray Systems or Devices |
0 |
1 |
0 |
1 |
0 |
2 |
417 |
Pumps |
0 |
1 |
1 |
0 |
0 |
2 |
425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
1 |
1 |
0 |
0 |
0 |
2 |
433 |
Dentistry |
1 |
0 |
0 |
0 |
1 |
2 |
470 |
Threaded, Headed Fastener, or Washer Making: Process and Apparatus |
0 |
0 |
1 |
1 |
0 |
2 |
602 |
Surgery: Splint, Brace, or Bandage |
1 |
1 |
0 |
0 |
0 |
2 |
700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
0 |
0 |
0 |
1 |
1 |
2 |
706 |
DP: Artificial Intelligence (Data Processing) |
1 |
1 |
0 |
0 |
0 |
2 |
710 |
Input/Output (Electrical Computers and Digital Processing Systems) |
0 |
1 |
0 |
0 |
1 |
2 |
001 |
** Classification Undetermined ** |
0 |
1 |
0 |
0 |
0 |
1 |
026 |
Textiles: Cloth Finishing |
0 |
1 |
0 |
0 |
0 |
1 |
038 |
Textiles: Ironing or Smoothing |
0 |
0 |
1 |
0 |
0 |
1 |
042 |
Firearms |
0 |
0 |
1 |
0 |
0 |
1 |
056 |
Harvesters |
0 |
0 |
0 |
0 |
1 |
1 |
072 |
Metal Deforming |
0 |
0 |
0 |
0 |
1 |
1 |
075 |
Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures |
1 |
0 |
0 |
0 |
0 |
1 |
076 |
Metal Tools and Implements, Making |
1 |
0 |
0 |
0 |
0 |
1 |
102 |
Ammunition and Explosives |
0 |
1 |
0 |
0 |
0 |
1 |
114 |
Ships |
1 |
0 |
0 |
0 |
0 |
1 |
117 |
Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor |
0 |
1 |
0 |
0 |
0 |
1 |
132 |
Toilet |
0 |
1 |
0 |
0 |
0 |
1 |
138 |
Pipes and Tubular Conduits |
0 |
0 |
0 |
0 |
1 |
1 |
148 |
Metal Treatment |
1 |
0 |
0 |
0 |
0 |
1 |
181 |
Acoustics |
0 |
1 |
0 |
0 |
0 |
1 |
182 |
Fire Escape, Ladder, or Scaffold |
0 |
0 |
0 |
1 |
0 |
1 |
184 |
Lubrication |
0 |
0 |
0 |
1 |
0 |
1 |
213 |
Railway Draft Appliances |
0 |
1 |
0 |
0 |
0 |
1 |
215 |
Bottles and Jars |
0 |
1 |
0 |
0 |
0 |
1 |
223 |
Apparel Apparatus |
0 |
1 |
0 |
0 |
0 |
1 |
224 |
Package and Article Carriers |
0 |
0 |
0 |
0 |
1 |
1 |
228 |
Metal Fusion Bonding |
0 |
0 |
0 |
1 |
0 |
1 |
235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
0 |
0 |
1 |
0 |
0 |
1 |
236 |
Automatic Temperature and Humidity Regulation |
0 |
1 |
0 |
0 |
0 |
1 |
239 |
Fluid Sprinkling, Spraying, and Diffusing |
0 |
0 |
1 |
0 |
0 |
1 |
251 |
Valves and Valve Actuation |
0 |
0 |
0 |
1 |
0 |
1 |
266 |
Metallurgical Apparatus |
1 |
0 |
0 |
0 |
0 |
1 |
281 |
Books, Strips, and Leaves |
0 |
0 |
1 |
0 |
0 |
1 |
283 |
Printed Matter |
0 |
1 |
0 |
0 |
0 |
1 |
318 |
Electricity: Motive Power Systems |
0 |
0 |
1 |
0 |
0 |
1 |
335 |
Electricity: Magnetically Operated Switches, Magnets, and Electromagnets |
0 |
1 |
0 |
0 |
0 |
1 |
336 |
Inductor Devices |
0 |
1 |
0 |
0 |
0 |
1 |
343 |
Communications: Radio Wave Antennas |
0 |
1 |
0 |
0 |
0 |
1 |
348 |
Television |
0 |
0 |
0 |
0 |
1 |
1 |
349 |
Liquid Crystal Cells, Elements and Systems |
0 |
0 |
0 |
0 |
1 |
1 |
355 |
Photocopying |
0 |
0 |
1 |
0 |
0 |
1 |
367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
0 |
0 |
0 |
1 |
0 |
1 |
368 |
Horology: Time Measuring Systems or Devices |
1 |
0 |
0 |
0 |
0 |
1 |
370 |
Multiplex Communications |
0 |
1 |
0 |
0 |
0 |
1 |
372 |
Coherent Light Generators |
0 |
0 |
1 |
0 |
0 |
1 |
374 |
Thermal Measuring and Testing |
0 |
0 |
0 |
1 |
0 |
1 |
376 |
Induced Nuclear Reactions: Processes, Systems, and Elements |
0 |
0 |
0 |
0 |
1 |
1 |
396 |
Photography |
0 |
1 |
0 |
0 |
0 |
1 |
405 |
Hydraulic and Earth Engineering |
1 |
0 |
0 |
0 |
0 |
1 |
419 |
Powder Metallurgy Processes |
0 |
1 |
0 |
0 |
0 |
1 |
431 |
Combustion |
1 |
0 |
0 |
0 |
0 |
1 |
434 |
Education and Demonstration |
0 |
1 |
0 |
0 |
0 |
1 |
440 |
Marine Propulsion |
1 |
0 |
0 |
0 |
0 |
1 |
445 |
Electric Lamp or Space Discharge Component or Device Manufacturing |
0 |
0 |
0 |
0 |
1 |
1 |
446 |
Amusement Devices: Toys |
0 |
0 |
0 |
1 |
0 |
1 |
454 |
Ventilation |
0 |
1 |
0 |
0 |
0 |
1 |
477 |
Interrelated Power Delivery Controls, Including Engine Control |
0 |
0 |
1 |
0 |
0 |
1 |
493 |
Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web |
1 |
0 |
0 |
0 |
0 |
1 |
508 |
Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions |
0 |
0 |
0 |
0 |
1 |
1 |
512 |
Perfume Compositions |
1 |
0 |
0 |
0 |
0 |
1 |
588 |
Hazardous or Toxic Waste Destruction or Containment |
1 |
0 |
0 |
0 |
0 |
1 |
607 |
Surgery: Light, Thermal, and Electrical Application |
1 |
0 |
0 |
0 |
0 |
1 |
703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
1 |
0 |
0 |
0 |
0 |
1 |
707 |
DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) |
1 |
0 |
0 |
0 |
0 |
1 |
708 |
Arithmetic Processing and Calculating (Electrical Computers) |
0 |
0 |
0 |
0 |
1 |
1 |
713 |
Support (Electrical Computers and Digital Processing Systems) |
0 |
0 |
0 |
0 |
1 |
1 |
ALL |
ALL CLASSES |
357 |
394 |
417 |
395 |
381 |
1944 |