520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
73 |
55 |
51 |
45 |
40 |
264 |
532 |
Organic Compounds (includes Classes 532-570) |
54 |
46 |
41 |
42 |
35 |
218 |
424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
28 |
33 |
40 |
38 |
37 |
176 |
435 |
Chemistry: Molecular Biology and Microbiology |
28 |
19 |
22 |
15 |
9 |
93 |
428 |
Stock Material or Miscellaneous Articles |
23 |
14 |
11 |
17 |
22 |
87 |
800 |
Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes |
7 |
10 |
22 |
17 |
27 |
83 |
451 |
Abrading |
9 |
18 |
12 |
10 |
12 |
61 |
430 |
Radiation Imagery Chemistry: Process, Composition, or Product Thereof |
9 |
4 |
7 |
7 |
10 |
37 |
502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
9 |
4 |
4 |
4 |
4 |
25 |
210 |
Liquid Purification or Separation |
6 |
3 |
7 |
5 |
2 |
23 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
6 |
6 |
4 |
5 |
2 |
23 |
252 |
Compositions |
1 |
3 |
2 |
7 |
6 |
19 |
427 |
Coating Processes |
4 |
2 |
4 |
3 |
5 |
18 |
162 |
Paper Making and Fiber Liberation |
6 |
3 |
4 |
4 |
0 |
17 |
106 |
Compositions: Coating or Plastic |
5 |
4 |
1 |
3 |
3 |
16 |
095 |
Gas Separation: Processes |
5 |
4 |
1 |
2 |
3 |
15 |
438 |
Semiconductor Device Manufacturing: Process |
2 |
2 |
4 |
4 |
3 |
15 |
504 |
Plant Protecting and Regulating Compositions |
4 |
1 |
4 |
5 |
1 |
15 |
073 |
Measuring and Testing |
1 |
4 |
6 |
1 |
2 |
14 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
3 |
3 |
3 |
1 |
4 |
14 |
083 |
Cutting |
3 |
2 |
4 |
3 |
1 |
13 |
250 |
Radiant Energy |
2 |
2 |
1 |
4 |
3 |
12 |
423 |
Chemistry of Inorganic Compounds |
4 |
2 |
3 |
1 |
2 |
12 |
508 |
Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions |
1 |
3 |
4 |
3 |
1 |
12 |
235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
0 |
4 |
4 |
1 |
2 |
11 |
411 |
Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener |
3 |
1 |
2 |
1 |
4 |
11 |
051 |
Abrasive Tool Making Process, Material, or Composition |
0 |
3 |
3 |
4 |
0 |
10 |
119 |
Animal Husbandry |
1 |
4 |
1 |
2 |
2 |
10 |
604 |
Surgery (Medicators and Receptors) |
2 |
1 |
2 |
5 |
0 |
10 |
204 |
Chemistry: Electrical and Wave Energy |
3 |
3 |
1 |
0 |
2 |
9 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
1 |
3 |
0 |
4 |
1 |
9 |
052 |
Static Structures (e.g., Buildings) |
1 |
1 |
3 |
1 |
2 |
8 |
585 |
Chemistry of Hydrocarbon Compounds |
3 |
2 |
2 |
1 |
0 |
8 |
356 |
Optics: Measuring and Testing |
0 |
0 |
3 |
3 |
1 |
7 |
362 |
Illumination |
2 |
3 |
1 |
1 |
0 |
7 |
382 |
Image Analysis |
1 |
2 |
3 |
1 |
0 |
7 |
429 |
Chemistry: Electrical Current Producing Apparatus, Product, and Process |
2 |
1 |
0 |
3 |
1 |
7 |
005 |
Beds |
2 |
0 |
1 |
2 |
1 |
6 |
015 |
Brushing, Scrubbing, and General Cleaning |
3 |
2 |
1 |
0 |
0 |
6 |
219 |
Electric Heating |
1 |
1 |
0 |
0 |
4 |
6 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
1 |
1 |
0 |
2 |
2 |
6 |
436 |
Chemistry: Analytical and Immunological Testing |
1 |
1 |
1 |
1 |
2 |
6 |
442 |
Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) |
2 |
1 |
1 |
1 |
1 |
6 |
510 |
Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions |
2 |
0 |
2 |
1 |
1 |
6 |
530 |
Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof |
1 |
0 |
2 |
3 |
0 |
6 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
0 |
0 |
2 |
1 |
3 |
6 |
239 |
Fluid Sprinkling, Spraying, and Diffusing |
0 |
1 |
1 |
1 |
2 |
5 |
324 |
Electricity: Measuring and Testing |
0 |
2 |
1 |
1 |
1 |
5 |
345 |
Computer Graphics Processing and Selective Visual Display Systems |
1 |
0 |
1 |
2 |
1 |
5 |
347 |
Incremental Printing of Symbolic Information |
0 |
1 |
0 |
2 |
2 |
5 |
358 |
Facsimile and Static Presentation Processing |
1 |
2 |
0 |
2 |
0 |
5 |
366 |
Agitating (e.g., of articles and materials) |
1 |
2 |
0 |
1 |
1 |
5 |
379 |
Telephonic Communications |
0 |
1 |
2 |
2 |
0 |
5 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
1 |
2 |
1 |
0 |
1 |
5 |
433 |
Dentistry |
1 |
1 |
2 |
1 |
0 |
5 |
473 |
Games Using Tangible Projectile |
1 |
2 |
0 |
0 |
2 |
5 |
505 |
Superconductor Technology: Apparatus, Material, Process |
0 |
1 |
0 |
1 |
3 |
5 |
713 |
Support (Electrical Computers and Digital Processing Systems) |
1 |
0 |
3 |
1 |
0 |
5 |
047 |
Plant Husbandry |
1 |
1 |
0 |
1 |
1 |
4 |
062 |
Refrigeration |
1 |
0 |
1 |
2 |
0 |
4 |
101 |
Printing |
1 |
1 |
2 |
0 |
0 |
4 |
128 |
Surgery (includes Class 600) |
1 |
0 |
0 |
1 |
2 |
4 |
164 |
Metal Founding |
2 |
0 |
1 |
1 |
0 |
4 |
174 |
Electricity: Conductors and Insulators |
2 |
0 |
0 |
0 |
2 |
4 |
182 |
Fire Escape, Ladder, or Scaffold |
0 |
2 |
1 |
0 |
1 |
4 |
221 |
Article Dispensing |
1 |
2 |
1 |
0 |
0 |
4 |
222 |
Dispensing (apparatus and process) |
0 |
1 |
2 |
1 |
0 |
4 |
257 |
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) |
0 |
1 |
1 |
1 |
1 |
4 |
280 |
Land Vehicles |
0 |
2 |
0 |
1 |
1 |
4 |
378 |
X-Ray or Gamma Ray Systems or Devices |
0 |
2 |
1 |
1 |
0 |
4 |
439 |
Electrical Connectors |
1 |
2 |
1 |
0 |
0 |
4 |
518 |
Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof |
0 |
2 |
2 |
0 |
0 |
4 |
004 |
Baths, Closets, Sinks, and Spittoons |
0 |
1 |
0 |
2 |
0 |
3 |
008 |
Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers |
0 |
0 |
2 |
0 |
1 |
3 |
024 |
Buckles, Buttons, Clasps, Etc. |
1 |
0 |
0 |
2 |
0 |
3 |
029 |
Metal Working |
1 |
1 |
0 |
0 |
1 |
3 |
036 |
Boots, Shoes, and Leggings |
0 |
0 |
1 |
1 |
1 |
3 |
089 |
Ordnance |
0 |
0 |
0 |
2 |
1 |
3 |
118 |
Coating Apparatus |
0 |
3 |
0 |
0 |
0 |
3 |
136 |
Batteries: Thermoelectric and Photoelectric |
2 |
1 |
0 |
0 |
0 |
3 |
203 |
Distillation: Processes, Separatory |
0 |
1 |
1 |
0 |
1 |
3 |
205 |
Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions |
1 |
1 |
0 |
1 |
0 |
3 |
208 |
Mineral Oils: Processes and Products |
0 |
0 |
2 |
1 |
0 |
3 |
248 |
Supports (e.g., for holding articles, etc.) |
2 |
1 |
0 |
0 |
0 |
3 |
359 |
Optics: Systems and Elements |
0 |
1 |
1 |
0 |
1 |
3 |
385 |
Optical Waveguides |
0 |
1 |
0 |
1 |
1 |
3 |
463 |
Amusement Devices: Games |
0 |
1 |
0 |
2 |
0 |
3 |
482 |
Exercise Devices |
0 |
1 |
0 |
1 |
1 |
3 |
606 |
Surgery (instruments) |
1 |
0 |
0 |
1 |
1 |
3 |
002 |
Apparel |
1 |
0 |
0 |
1 |
0 |
2 |
034 |
Drying and Gas or Vapor Contact with Solids |
0 |
0 |
0 |
1 |
1 |
2 |
043 |
Fishing, Trapping, and Vermin Destroying |
0 |
0 |
0 |
2 |
0 |
2 |
056 |
Harvesters |
1 |
0 |
1 |
0 |
0 |
2 |
057 |
Textiles: Spinning, Twisting, and Twining |
0 |
0 |
0 |
0 |
2 |
2 |
060 |
Power Plants |
2 |
0 |
0 |
0 |
0 |
2 |
096 |
Gas Separation: Apparatus |
1 |
1 |
0 |
0 |
0 |
2 |
099 |
Foods and Beverages: Apparatus |
1 |
0 |
1 |
0 |
0 |
2 |
108 |
Horizontally Supported Planar Surfaces |
1 |
0 |
0 |
1 |
0 |
2 |
138 |
Pipes and Tubular Conduits |
0 |
1 |
0 |
0 |
1 |
2 |
165 |
Heat Exchange |
2 |
0 |
0 |
0 |
0 |
2 |
209 |
Classifying, Separating, and Assorting Solids |
0 |
0 |
2 |
0 |
0 |
2 |
211 |
Supports: Racks |
0 |
1 |
0 |
0 |
1 |
2 |
216 |
Etching a Substrate: Processes |
0 |
1 |
0 |
1 |
0 |
2 |
225 |
Severing by Tearing or Breaking |
0 |
1 |
0 |
1 |
0 |
2 |
242 |
Winding, Tensioning, or Guiding |
0 |
2 |
0 |
0 |
0 |
2 |
261 |
Gas and Liquid Contact Apparatus |
0 |
1 |
0 |
1 |
0 |
2 |
290 |
Prime-Mover Dynamo Plants |
0 |
0 |
0 |
1 |
1 |
2 |
294 |
Handling: Hand and Hoist-Line Implements |
0 |
1 |
1 |
0 |
0 |
2 |
296 |
Land Vehicles: Bodies and Tops |
0 |
2 |
0 |
0 |
0 |
2 |
313 |
Electric Lamp and Discharge Devices |
1 |
1 |
0 |
0 |
0 |
2 |
340 |
Communications: Electrical |
1 |
1 |
0 |
0 |
0 |
2 |
341 |
Coded Data Generation or Conversion |
0 |
2 |
0 |
0 |
0 |
2 |
349 |
Liquid Crystal Cells, Elements and Systems |
1 |
1 |
0 |
0 |
0 |
2 |
374 |
Thermal Measuring and Testing |
0 |
1 |
0 |
0 |
1 |
2 |
417 |
Pumps |
0 |
0 |
2 |
0 |
0 |
2 |
425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
0 |
0 |
0 |
2 |
0 |
2 |
434 |
Education and Demonstration |
0 |
0 |
0 |
2 |
0 |
2 |
440 |
Marine Propulsion |
0 |
0 |
0 |
1 |
1 |
2 |
445 |
Electric Lamp or Space Discharge Component or Device Manufacturing |
1 |
0 |
1 |
0 |
0 |
2 |
452 |
Butchering |
0 |
0 |
1 |
0 |
1 |
2 |
501 |
Compositions: Ceramic |
0 |
0 |
0 |
0 |
2 |
2 |
706 |
DP: Artificial Intelligence (Data Processing) |
0 |
1 |
0 |
0 |
1 |
2 |
014 |
Bridges |
0 |
0 |
0 |
0 |
1 |
1 |
028 |
Textiles: Manufacturing |
0 |
0 |
0 |
0 |
1 |
1 |
040 |
Card, Picture, or Sign Exhibiting |
1 |
0 |
0 |
0 |
0 |
1 |
044 |
Fuel and Related Compositions |
0 |
0 |
0 |
1 |
0 |
1 |
049 |
Movable or Removable Closures |
0 |
0 |
0 |
0 |
1 |
1 |
055 |
Gas Separation |
0 |
0 |
0 |
1 |
0 |
1 |
066 |
Textiles: Knitting |
0 |
0 |
0 |
0 |
1 |
1 |
072 |
Metal Deforming |
1 |
0 |
0 |
0 |
0 |
1 |
074 |
Machine Element or Mechanism |
1 |
0 |
0 |
0 |
0 |
1 |
084 |
Music |
0 |
0 |
0 |
0 |
1 |
1 |
087 |
Textiles: Braiding, Netting, and Lace Making |
0 |
1 |
0 |
0 |
0 |
1 |
104 |
Railways |
0 |
0 |
1 |
0 |
0 |
1 |
112 |
Sewing |
1 |
0 |
0 |
0 |
0 |
1 |
114 |
Ships |
0 |
0 |
1 |
0 |
0 |
1 |
123 |
Internal-Combustion Engines |
1 |
0 |
0 |
0 |
0 |
1 |
132 |
Toilet |
0 |
0 |
1 |
0 |
0 |
1 |
137 |
Fluid Handling |
0 |
0 |
0 |
1 |
0 |
1 |
141 |
Fluent Material Handling, with Receiver or Receiver Coacting Means |
0 |
0 |
0 |
1 |
0 |
1 |
160 |
Flexible or Portable Closure, Partition, or Panel |
1 |
0 |
0 |
0 |
0 |
1 |
181 |
Acoustics |
0 |
0 |
0 |
0 |
1 |
1 |
194 |
Check-Actuated Control Mechanisms |
0 |
0 |
1 |
0 |
0 |
1 |
206 |
Special Receptacle or Package |
0 |
1 |
0 |
0 |
0 |
1 |
215 |
Bottles and Jars |
0 |
0 |
1 |
0 |
0 |
1 |
217 |
Wooden Receptacles |
0 |
0 |
0 |
0 |
1 |
1 |
220 |
Receptacles |
0 |
1 |
0 |
0 |
0 |
1 |
224 |
Package and Article Carriers |
1 |
0 |
0 |
0 |
0 |
1 |
226 |
Advancing Material of Indeterminate Length |
1 |
0 |
0 |
0 |
0 |
1 |
228 |
Metal Fusion Bonding |
0 |
0 |
0 |
0 |
1 |
1 |
244 |
Aeronautics and Astronautics |
1 |
0 |
0 |
0 |
0 |
1 |
251 |
Valves and Valve Actuation |
0 |
1 |
0 |
0 |
0 |
1 |
254 |
Implements or Apparatus for Applying Pushing or Pulling Force |
0 |
1 |
0 |
0 |
0 |
1 |
269 |
Work Holders |
1 |
0 |
0 |
0 |
0 |
1 |
277 |
Seal for a Joint or Juncture |
1 |
0 |
0 |
0 |
0 |
1 |
292 |
Closure Fasteners |
0 |
0 |
0 |
0 |
1 |
1 |
297 |
Chairs and Seats |
0 |
0 |
0 |
1 |
0 |
1 |
318 |
Electricity: Motive Power Systems |
0 |
1 |
0 |
0 |
0 |
1 |
332 |
Modulators |
1 |
0 |
0 |
0 |
0 |
1 |
333 |
Wave Transmission Lines and Networks |
0 |
0 |
1 |
0 |
0 |
1 |
361 |
Electricity: Electrical Systems and Devices |
0 |
1 |
0 |
0 |
0 |
1 |
370 |
Multiplex Communications |
0 |
0 |
0 |
0 |
1 |
1 |
375 |
Pulse or Digital Communications |
0 |
1 |
0 |
0 |
0 |
1 |
376 |
Induced Nuclear Reactions: Processes, Systems, and Elements |
1 |
0 |
0 |
0 |
0 |
1 |
381 |
Electrical Audio Signal Processing Systems and Devices |
0 |
0 |
1 |
0 |
0 |
1 |
383 |
Flexible Bags |
0 |
1 |
0 |
0 |
0 |
1 |
384 |
Bearings |
0 |
0 |
1 |
0 |
0 |
1 |
401 |
Coating Implements with Material Supply |
0 |
0 |
0 |
0 |
1 |
1 |
414 |
Material or Article Handling |
0 |
0 |
1 |
0 |
0 |
1 |
415 |
Rotary Kinetic Fluid Motors or Pumps |
0 |
1 |
0 |
0 |
0 |
1 |
455 |
Telecommunications |
0 |
0 |
0 |
1 |
0 |
1 |
601 |
Surgery: Kinesitherapy |
0 |
0 |
0 |
1 |
0 |
1 |
623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
0 |
1 |
0 |
0 |
0 |
1 |
700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
1 |
0 |
0 |
0 |
0 |
1 |
701 |
DP: Vehicles, Navigation, and Relative Location (Data Processing) |
0 |
0 |
0 |
0 |
1 |
1 |
708 |
Arithmetic Processing and Calculating (Electrical Computers) |
1 |
0 |
0 |
0 |
0 |
1 |
710 |
Input/Output (Electrical Computers and Digital Processing Systems) |
1 |
0 |
0 |
0 |
0 |
1 |
714 |
Error Detection/Correction and Fault Detection/Recovery |
0 |
0 |
0 |
0 |
1 |
1 |
715 |
DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) |
1 |
0 |
0 |
0 |
0 |
1 |
ALL |
ALL CLASSES |
380 |
354 |
346 |
342 |
318 |
1740 |