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Browse by Category: Main > Industrial |
| Class Number |
Class Name |
Patents |
| 226 |
Advancing material of indeterminate length |
9,043 |
| 366 |
Agitating |
29,985 |
| 384 |
Bearings |
28,127 |
| 194 |
Check-actuated control mechanisms |
4,261 |
| 422 |
Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing |
121,473 |
| 209 |
Classifying, separating, and assorting solids |
30,267 |
| 510 |
Cleaning compositions for solid surfaces, auxiliary compositions therefor, or processes of preparing the compositions |
87,970 |
| 118 |
Coating apparatus |
63,346 |
| 427 |
Coating processes |
204,830 |
| 516 |
Colloid systems and wetting agents; subcombinations thereof; processes of |
13,568 |
| 431 |
Combustion |
22,026 |
| 159 |
Concentrating evaporators |
5,475 |
| 193 |
Conveyors, chutes, skids, guides, and ways |
2,567 |
| 406 |
Conveyors: fluid current |
7,766 |
| 198 |
Conveyors: power-driven |
46,390 |
| 83 |
Cutting |
51,786 |
| 202 |
Distillation: apparatus |
8,896 |
| 203 |
Distillation: processes, separatory |
15,763 |
| 201 |
Distillation: processes, thermolytic |
3,434 |
| 474 |
Endless belt power transmission systems or components |
14,542 |
| D23 |
Environmental heating and cooling; fluid handling and sanitary equipment |
29,675 |
| D13 |
Equipment for production, distribution, or transformation of energy |
21,860 |
| 216 |
Etching a substrate: processes |
33,280 |
| 92 |
Expansible chamber devices |
16,941 |
| 149 |
Explosive and thermic compositions or charges |
10,111 |
| 141 |
Fluent material handling, with receiver or receiver coacting means |
34,087 |
| 239 |
Fluid sprinkling, spraying, and diffusing |
70,638 |
| 476 |
Friction gear transmission systems or components |
1,843 |
| 261 |
Gas and liquid contact apparatus |
22,120 |
| 409 |
Gear cutting, milling, or planing |
11,449 |
| 65 |
Glass manufacturing |
35,016 |
| 294 |
Handling: hand and hoist-line implements |
20,096 |
| 588 |
Hazardous or toxic waste destruction or containment |
8,626 |
| 494 |
Imperforate bowl: centrifugal separators |
7,045 |
| 254 |
Implements or apparatus for applying pushing or pulling force |
13,897 |
| 122 |
Liquid heaters and vaporizers |
9,747 |
| 210 |
Liquid purification or separation |
183,405 |
| 74 |
Machine element or mechanism |
59,675 |
| D15 |
Machines not elsewhere specified |
15,002 |
| 414 |
Material or article handling |
61,114 |
| D34 |
Material or article handling equipment |
9,286 |
| 29 |
Metal working |
152,324 |
| 196 |
Mineral oils: apparatus |
1,075 |
| 91 |
Motors: expansible chamber type |
16,931 |
| 475 |
Planetary gear transmission systems or components |
19,217 |
| 100 |
Presses |
20,251 |
| 417 |
Pumps |
45,193 |
| 418 |
Rotary expansible chamber devices |
18,161 |
| 415 |
Rotary kinetic fluid motors or pumps |
34,189 |
| 464 |
Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts |
12,860 |
| 234 |
Selective cutting (e.g., punching) |
224 |
| 225 |
Severing by tearing or breaking |
4,815 |
| 271 |
Sheet feeding or delivering |
43,506 |
| 241 |
Solid material comminution or disintegration |
29,719 |
| 267 |
Spring devices |
16,735 |
| 470 |
Threaded, headed fastener, or washer making: process and apparatus |
1,933 |
| 82 |
Turning |
7,691 |
| 251 |
Valves and valve actuation |
43,326 |
| 157 |
Wheelwright machines |
1,116 |
| 242 |
Winding, tensioning, or guiding |
47,114 |
| 142 |
Wood turning |
258 | |
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