435 |
Chemistry: Molecular Biology and Microbiology |
13 |
11 |
8 |
8 |
10 |
50 |
424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
10 |
11 |
7 |
8 |
4 |
40 |
343 |
Communications: Radio Wave Antennas |
6 |
10 |
4 |
9 |
4 |
33 |
800 |
Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes |
5 |
5 |
3 |
9 |
9 |
31 |
356 |
Optics: Measuring and Testing |
2 |
5 |
5 |
9 |
6 |
27 |
210 |
Liquid Purification or Separation |
7 |
3 |
5 |
2 |
5 |
22 |
052 |
Static Structures (e.g., Buildings) |
2 |
3 |
3 |
8 |
4 |
20 |
532 |
Organic Compounds (includes Classes 532-570) |
3 |
6 |
3 |
2 |
5 |
19 |
056 |
Harvesters |
5 |
2 |
4 |
2 |
5 |
18 |
119 |
Animal Husbandry |
1 |
2 |
6 |
3 |
6 |
18 |
280 |
Land Vehicles |
5 |
4 |
2 |
4 |
3 |
18 |
474 |
Endless Belt Power Transmission Systems or Components |
0 |
6 |
4 |
3 |
4 |
17 |
073 |
Measuring and Testing |
2 |
5 |
1 |
4 |
2 |
14 |
137 |
Fluid Handling |
2 |
2 |
3 |
4 |
3 |
14 |
256 |
Fences |
4 |
3 |
1 |
3 |
3 |
14 |
222 |
Dispensing (apparatus and process) |
2 |
3 |
1 |
2 |
5 |
13 |
239 |
Fluid Sprinkling, Spraying, and Diffusing |
4 |
1 |
1 |
4 |
3 |
13 |
414 |
Material or Article Handling |
1 |
5 |
1 |
4 |
2 |
13 |
029 |
Metal Working |
1 |
2 |
4 |
1 |
4 |
12 |
436 |
Chemistry: Analytical and Immunological Testing |
1 |
4 |
3 |
3 |
1 |
12 |
072 |
Metal Deforming |
3 |
4 |
1 |
2 |
1 |
11 |
248 |
Supports (e.g., for holding articles, etc.) |
3 |
2 |
3 |
2 |
1 |
11 |
379 |
Telephonic Communications |
2 |
1 |
2 |
2 |
3 |
10 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
3 |
2 |
2 |
2 |
1 |
10 |
174 |
Electricity: Conductors and Insulators |
3 |
2 |
2 |
2 |
0 |
9 |
235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
0 |
0 |
2 |
5 |
2 |
9 |
296 |
Land Vehicles: Bodies and Tops |
1 |
1 |
2 |
2 |
3 |
9 |
604 |
Surgery (Medicators and Receptors) |
4 |
2 |
3 |
0 |
0 |
9 |
700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
0 |
0 |
1 |
4 |
4 |
9 |
081 |
Tools |
2 |
0 |
1 |
0 |
5 |
8 |
128 |
Surgery (includes Class 600) |
2 |
4 |
2 |
0 |
0 |
8 |
172 |
Earth Working |
4 |
0 |
1 |
1 |
2 |
8 |
290 |
Prime-Mover Dynamo Plants |
4 |
0 |
3 |
0 |
1 |
8 |
340 |
Communications: Electrical |
1 |
3 |
2 |
1 |
1 |
8 |
428 |
Stock Material or Miscellaneous Articles |
2 |
1 |
3 |
0 |
2 |
8 |
441 |
Buoys, Rafts, and Aquatic Devices |
6 |
0 |
1 |
1 |
0 |
8 |
455 |
Telecommunications |
5 |
1 |
1 |
1 |
0 |
8 |
473 |
Games Using Tangible Projectile |
1 |
2 |
1 |
2 |
2 |
8 |
005 |
Beds |
3 |
2 |
2 |
0 |
0 |
7 |
062 |
Refrigeration |
0 |
4 |
1 |
1 |
1 |
7 |
242 |
Winding, Tensioning, or Guiding |
1 |
3 |
0 |
1 |
2 |
7 |
298 |
Land Vehicles: Dumping |
4 |
1 |
2 |
0 |
0 |
7 |
033 |
Geometrical Instruments |
0 |
0 |
2 |
2 |
2 |
6 |
043 |
Fishing, Trapping, and Vermin Destroying |
1 |
1 |
3 |
0 |
1 |
6 |
111 |
Planting |
2 |
1 |
0 |
2 |
1 |
6 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
1 |
2 |
1 |
1 |
1 |
6 |
198 |
Conveyors: Power-Driven |
0 |
1 |
1 |
2 |
2 |
6 |
220 |
Receptacles |
3 |
2 |
1 |
0 |
0 |
6 |
229 |
Envelopes, Wrappers, and Paperboard Boxes |
1 |
3 |
2 |
0 |
0 |
6 |
250 |
Radiant Energy |
1 |
4 |
0 |
0 |
1 |
6 |
380 |
Cryptography |
4 |
1 |
1 |
0 |
0 |
6 |
004 |
Baths, Closets, Sinks, and Spittoons |
0 |
2 |
1 |
1 |
1 |
5 |
188 |
Brakes |
2 |
1 |
2 |
0 |
0 |
5 |
209 |
Classifying, Separating, and Assorting Solids |
1 |
0 |
2 |
1 |
1 |
5 |
219 |
Electric Heating |
2 |
1 |
0 |
1 |
1 |
5 |
269 |
Work Holders |
1 |
2 |
0 |
2 |
0 |
5 |
362 |
Illumination |
1 |
0 |
2 |
1 |
1 |
5 |
427 |
Coating Processes |
1 |
3 |
0 |
0 |
1 |
5 |
452 |
Butchering |
1 |
2 |
2 |
0 |
0 |
5 |
520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
4 |
1 |
0 |
0 |
0 |
5 |
002 |
Apparel |
2 |
1 |
1 |
0 |
0 |
4 |
014 |
Bridges |
0 |
2 |
1 |
1 |
0 |
4 |
118 |
Coating Apparatus |
1 |
0 |
1 |
1 |
1 |
4 |
123 |
Internal-Combustion Engines |
0 |
0 |
0 |
1 |
3 |
4 |
173 |
Tool Driving or Impacting |
0 |
1 |
2 |
1 |
0 |
4 |
204 |
Chemistry: Electrical and Wave Energy |
1 |
1 |
1 |
0 |
1 |
4 |
211 |
Supports: Racks |
1 |
0 |
1 |
1 |
1 |
4 |
238 |
Railways: Surface Track |
0 |
0 |
1 |
2 |
1 |
4 |
271 |
Sheet Feeding or Delivering |
1 |
0 |
1 |
1 |
1 |
4 |
297 |
Chairs and Seats |
3 |
0 |
1 |
0 |
0 |
4 |
403 |
Joints and Connections |
0 |
2 |
1 |
0 |
1 |
4 |
404 |
Road Structure, Process, or Apparatus |
1 |
0 |
1 |
1 |
1 |
4 |
411 |
Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener |
2 |
0 |
0 |
2 |
0 |
4 |
454 |
Ventilation |
1 |
0 |
1 |
0 |
2 |
4 |
482 |
Exercise Devices |
1 |
1 |
0 |
0 |
2 |
4 |
530 |
Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof |
1 |
1 |
2 |
0 |
0 |
4 |
015 |
Brushing, Scrubbing, and General Cleaning |
0 |
1 |
2 |
0 |
0 |
3 |
030 |
Cutlery |
0 |
0 |
2 |
0 |
1 |
3 |
040 |
Card, Picture, or Sign Exhibiting |
0 |
0 |
2 |
1 |
0 |
3 |
042 |
Firearms |
1 |
0 |
0 |
0 |
2 |
3 |
055 |
Gas Separation |
1 |
2 |
0 |
0 |
0 |
3 |
083 |
Cutting |
1 |
0 |
0 |
2 |
0 |
3 |
135 |
Tent, Canopy, Umbrella, or Cane |
2 |
0 |
0 |
1 |
0 |
3 |
182 |
Fire Escape, Ladder, or Scaffold |
1 |
1 |
1 |
0 |
0 |
3 |
221 |
Article Dispensing |
0 |
1 |
0 |
1 |
1 |
3 |
223 |
Apparel Apparatus |
0 |
0 |
0 |
1 |
2 |
3 |
257 |
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) |
1 |
0 |
2 |
0 |
0 |
3 |
273 |
Amusement Devices: Games |
0 |
0 |
0 |
3 |
0 |
3 |
285 |
Pipe Joints or Couplings |
2 |
1 |
0 |
0 |
0 |
3 |
292 |
Closure Fasteners |
0 |
1 |
0 |
0 |
2 |
3 |
294 |
Handling: Hand and Hoist-Line Implements |
1 |
0 |
1 |
1 |
0 |
3 |
312 |
Supports: Cabinet Structure |
0 |
0 |
2 |
1 |
0 |
3 |
336 |
Inductor Devices |
1 |
1 |
1 |
0 |
0 |
3 |
361 |
Electricity: Electrical Systems and Devices |
1 |
0 |
0 |
2 |
0 |
3 |
369 |
Dynamic Information Storage or Retrieval |
0 |
0 |
3 |
0 |
0 |
3 |
382 |
Image Analysis |
1 |
0 |
2 |
0 |
0 |
3 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
2 |
0 |
0 |
1 |
0 |
3 |
439 |
Electrical Connectors |
2 |
1 |
0 |
0 |
0 |
3 |
446 |
Amusement Devices: Toys |
0 |
1 |
1 |
1 |
0 |
3 |
451 |
Abrading |
1 |
0 |
1 |
0 |
1 |
3 |
463 |
Amusement Devices: Games |
0 |
1 |
0 |
2 |
0 |
3 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
0 |
0 |
0 |
3 |
0 |
3 |
703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
1 |
1 |
1 |
0 |
0 |
3 |
713 |
Support (Electrical Computers and Digital Processing Systems) |
1 |
0 |
0 |
0 |
2 |
3 |
726 |
Information Security |
0 |
1 |
1 |
0 |
1 |
3 |
024 |
Buckles, Buttons, Clasps, Etc. |
0 |
1 |
0 |
0 |
1 |
2 |
037 |
Excavating |
0 |
0 |
0 |
1 |
1 |
2 |
054 |
Harness for Working Animal |
1 |
1 |
0 |
0 |
0 |
2 |
070 |
Locks |
0 |
0 |
0 |
0 |
2 |
2 |
095 |
Gas Separation: Processes |
0 |
1 |
1 |
0 |
0 |
2 |
108 |
Horizontally Supported Planar Surfaces |
0 |
1 |
0 |
1 |
0 |
2 |
114 |
Ships |
0 |
1 |
0 |
0 |
1 |
2 |
124 |
Mechanical Guns and Projectors |
0 |
0 |
0 |
2 |
0 |
2 |
127 |
Sugar, Starch, and Carbohydrates |
0 |
2 |
0 |
0 |
0 |
2 |
141 |
Fluent Material Handling, with Receiver or Receiver Coacting Means |
0 |
2 |
0 |
0 |
0 |
2 |
169 |
Fire Extinguishers |
0 |
0 |
0 |
1 |
1 |
2 |
180 |
Motor Vehicles |
0 |
0 |
2 |
0 |
0 |
2 |
212 |
Traversing Hoists |
1 |
0 |
0 |
0 |
1 |
2 |
227 |
Elongated-Member-Driving Apparatus |
1 |
1 |
0 |
0 |
0 |
2 |
251 |
Valves and Valve Actuation |
0 |
0 |
2 |
0 |
0 |
2 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
1 |
0 |
1 |
0 |
0 |
2 |
320 |
Electricity: Battery or Capacitor Charging or Discharging |
0 |
1 |
0 |
0 |
1 |
2 |
324 |
Electricity: Measuring and Testing |
0 |
0 |
0 |
2 |
0 |
2 |
342 |
Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) |
0 |
2 |
0 |
0 |
0 |
2 |
360 |
Dynamic Magnetic Information Storage or Retrieval |
1 |
0 |
0 |
1 |
0 |
2 |
365 |
Static Information Storage and Retrieval |
0 |
1 |
1 |
0 |
0 |
2 |
401 |
Coating Implements with Material Supply |
2 |
0 |
0 |
0 |
0 |
2 |
405 |
Hydraulic and Earth Engineering |
0 |
0 |
0 |
1 |
1 |
2 |
416 |
Fluid Reaction Surfaces (i.e., Impellers) |
0 |
2 |
0 |
0 |
0 |
2 |
417 |
Pumps |
0 |
1 |
1 |
0 |
0 |
2 |
438 |
Semiconductor Device Manufacturing: Process |
0 |
1 |
0 |
1 |
0 |
2 |
464 |
Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts |
1 |
1 |
0 |
0 |
0 |
2 |
494 |
Imperforate Bowl: Centrifugal Separators |
0 |
0 |
2 |
0 |
0 |
2 |
602 |
Surgery: Splint, Brace, or Bandage |
0 |
0 |
0 |
2 |
0 |
2 |
709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
0 |
1 |
0 |
1 |
0 |
2 |
710 |
Input/Output (Electrical Computers and Digital Processing Systems) |
0 |
0 |
0 |
0 |
2 |
2 |
718 |
Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) |
1 |
0 |
1 |
0 |
0 |
2 |
007 |
Compound Hand Tools |
1 |
0 |
0 |
0 |
0 |
1 |
008 |
Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers |
0 |
0 |
0 |
1 |
0 |
1 |
044 |
Fuel and Related Compositions |
0 |
0 |
0 |
1 |
0 |
1 |
047 |
Plant Husbandry |
1 |
0 |
0 |
0 |
0 |
1 |
049 |
Movable or Removable Closures |
0 |
1 |
0 |
0 |
0 |
1 |
053 |
Package Making |
0 |
0 |
0 |
1 |
0 |
1 |
063 |
Jewelry |
1 |
0 |
0 |
0 |
0 |
1 |
071 |
Chemistry: Fertilizers |
0 |
0 |
0 |
1 |
0 |
1 |
076 |
Metal Tools and Implements, Making |
0 |
0 |
1 |
0 |
0 |
1 |
089 |
Ordnance |
0 |
1 |
0 |
0 |
0 |
1 |
091 |
Motors: Expansible Chamber Type |
1 |
0 |
0 |
0 |
0 |
1 |
100 |
Presses |
0 |
0 |
0 |
1 |
0 |
1 |
102 |
Ammunition and Explosives |
0 |
0 |
0 |
0 |
1 |
1 |
105 |
Railway Rolling Stock |
0 |
0 |
1 |
0 |
0 |
1 |
106 |
Compositions: Coating or Plastic |
1 |
0 |
0 |
0 |
0 |
1 |
116 |
Signals and Indicators |
0 |
1 |
0 |
0 |
0 |
1 |
126 |
Stoves and Furnaces |
1 |
0 |
0 |
0 |
0 |
1 |
131 |
Tobacco |
0 |
1 |
0 |
0 |
0 |
1 |
134 |
Cleaning and Liquid Contact with Solids |
0 |
0 |
0 |
0 |
1 |
1 |
144 |
Woodworking |
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 |
0 |
1 |
0 |
0 |
0 |
1 |
177 |
Weighing Scales |
1 |
0 |
0 |
0 |
0 |
1 |
200 |
Electricity: Circuit Makers and Breakers |
0 |
1 |
0 |
0 |
0 |
1 |
202 |
Distillation: Apparatus |
0 |
0 |
1 |
0 |
0 |
1 |
206 |
Special Receptacle or Package |
1 |
0 |
0 |
0 |
0 |
1 |
215 |
Bottles and Jars |
0 |
1 |
0 |
0 |
0 |
1 |
241 |
Solid Material Comminution or Disintegration |
0 |
0 |
1 |
0 |
0 |
1 |
244 |
Aeronautics and Astronautics |
0 |
0 |
1 |
0 |
0 |
1 |
246 |
Railway Switches and Signals |
0 |
1 |
0 |
0 |
0 |
1 |
252 |
Compositions |
1 |
0 |
0 |
0 |
0 |
1 |
261 |
Gas and Liquid Contact Apparatus |
0 |
0 |
0 |
1 |
0 |
1 |
270 |
Sheet-Material Associating |
0 |
0 |
0 |
1 |
0 |
1 |
299 |
Mining or In Situ Disintegration of Hard Material |
0 |
0 |
0 |
1 |
0 |
1 |
305 |
Wheel Substitutes for Land Vehicles |
1 |
0 |
0 |
0 |
0 |
1 |
310 |
Electrical Generator or Motor Structure |
0 |
0 |
0 |
1 |
0 |
1 |
315 |
Electric Lamp and Discharge Devices: Systems |
0 |
0 |
0 |
0 |
1 |
1 |
338 |
Electrical Resistors |
0 |
1 |
0 |
0 |
0 |
1 |
341 |
Coded Data Generation or Conversion |
0 |
0 |
0 |
0 |
1 |
1 |
345 |
Computer Graphics Processing and Selective Visual Display Systems |
0 |
0 |
0 |
1 |
0 |
1 |
351 |
Optics: Eye Examining, Vision Testing and Correcting |
0 |
0 |
0 |
1 |
0 |
1 |
358 |
Facsimile and Static Presentation Processing |
1 |
0 |
0 |
0 |
0 |
1 |
359 |
Optics: Systems and Elements |
0 |
0 |
0 |
0 |
1 |
1 |
372 |
Coherent Light Generators |
0 |
0 |
1 |
0 |
0 |
1 |
375 |
Pulse or Digital Communications |
0 |
1 |
0 |
0 |
0 |
1 |
376 |
Induced Nuclear Reactions: Processes, Systems, and Elements |
0 |
0 |
0 |
1 |
0 |
1 |
378 |
X-Ray or Gamma Ray Systems or Devices |
0 |
0 |
0 |
1 |
0 |
1 |
381 |
Electrical Audio Signal Processing Systems and Devices |
1 |
0 |
0 |
0 |
0 |
1 |
385 |
Optical Waveguides |
0 |
1 |
0 |
0 |
0 |
1 |
398 |
Optical Communications |
0 |
0 |
1 |
0 |
0 |
1 |
410 |
Freight Accommodation On Freight Carrier |
0 |
0 |
0 |
0 |
1 |
1 |
425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
0 |
0 |
0 |
0 |
1 |
1 |
430 |
Radiation Imagery Chemistry: Process, Composition, or Product Thereof |
0 |
1 |
0 |
0 |
0 |
1 |
431 |
Combustion |
0 |
0 |
0 |
0 |
1 |
1 |
442 |
Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) |
1 |
0 |
0 |
0 |
0 |
1 |
460 |
Crop Threshing or Separating |
0 |
1 |
0 |
0 |
0 |
1 |
472 |
Amusement Devices |
0 |
0 |
1 |
0 |
0 |
1 |
606 |
Surgery (instruments) |
1 |
0 |
0 |
0 |
0 |
1 |
607 |
Surgery: Light, Thermal, and Electrical Application |
0 |
0 |
1 |
0 |
0 |
1 |
623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
0 |
0 |
1 |
0 |
0 |
1 |
701 |
DP: Vehicles, Navigation, and Relative Location (Data Processing) |
0 |
1 |
0 |
0 |
0 |
1 |
704 |
DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) |
0 |
1 |
0 |
0 |
0 |
1 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
0 |
0 |
0 |
0 |
1 |
1 |
708 |
Arithmetic Processing and Calculating (Electrical Computers) |
0 |
0 |
0 |
0 |
1 |
1 |
714 |
Error Detection/Correction and Fault Detection/Recovery |
0 |
0 |
0 |
0 |
1 |
1 |
ALL |
ALL CLASSES |
215 |
212 |
185 |
191 |
182 |
985 |