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Browse by Category: Main > Industrial |
| Class Number |
Class Name |
Patents |
| 226 |
Advancing material of indeterminate length |
8,776 |
| 366 |
Agitating |
26,954 |
| 384 |
Bearings |
24,606 |
| 194 |
Check-actuated control mechanisms |
3,747 |
| 422 |
Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing |
96,213 |
| 209 |
Classifying, separating, and assorting solids |
27,517 |
| 510 |
Cleaning compositions for solid surfaces, auxiliary compositions therefor, or processes of preparing the compositions |
79,281 |
| 118 |
Coating apparatus |
55,790 |
| 427 |
Coating processes |
182,209 |
| 516 |
Colloid systems and wetting agents; subcombinations thereof; processes of |
12,472 |
| 431 |
Combustion |
20,068 |
| 159 |
Concentrating evaporators |
4,937 |
| 193 |
Conveyors, chutes, skids, guides, and ways |
2,393 |
| 406 |
Conveyors: fluid current |
7,247 |
| 198 |
Conveyors: power-driven |
41,498 |
| 83 |
Cutting |
47,971 |
| 202 |
Distillation: apparatus |
8,061 |
| 203 |
Distillation: processes, separatory |
14,641 |
| 201 |
Distillation: processes, thermolytic |
3,107 |
| 474 |
Endless belt power transmission systems or components |
12,506 |
| D23 |
Environmental heating and cooling; fluid handling and sanitary equipment |
25,082 |
| D13 |
Equipment for production, distribution, or transformation of energy |
17,064 |
| 216 |
Etching a substrate: processes |
27,863 |
| 92 |
Expansible chamber devices |
15,993 |
| 149 |
Explosive and thermic compositions or charges |
9,038 |
| 141 |
Fluent material handling, with receiver or receiver coacting means |
30,532 |
| 239 |
Fluid sprinkling, spraying, and diffusing |
61,876 |
| 476 |
Friction gear transmission systems or components |
1,688 |
| 261 |
Gas and liquid contact apparatus |
20,182 |
| 409 |
Gear cutting, milling, or planing |
10,524 |
| 65 |
Glass manufacturing |
32,139 |
| 294 |
Handling: hand and hoist-line implements |
18,365 |
| 588 |
Hazardous or toxic waste destruction or containment |
7,880 |
| 494 |
Imperforate bowl: centrifugal separators |
6,362 |
| 254 |
Implements or apparatus for applying pushing or pulling force |
12,093 |
| 122 |
Liquid heaters and vaporizers |
9,065 |
| 210 |
Liquid purification or separation |
160,931 |
| 74 |
Machine element or mechanism |
54,104 |
| D15 |
Machines not elsewhere specified |
12,307 |
| 414 |
Material or article handling |
56,274 |
| D34 |
Material or article handling equipment |
8,309 |
| 29 |
Metal working |
128,975 |
| 196 |
Mineral oils: apparatus |
955 |
| 91 |
Motors: expansible chamber type |
16,313 |
| 475 |
Planetary gear transmission systems or components |
15,691 |
| 100 |
Presses |
19,177 |
| 417 |
Pumps |
39,614 |
| 418 |
Rotary expansible chamber devices |
15,835 |
| 415 |
Rotary kinetic fluid motors or pumps |
27,110 |
| 464 |
Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts |
11,457 |
| 234 |
Selective cutting (e.g., punching) |
193 |
| 225 |
Severing by tearing or breaking |
4,479 |
| 271 |
Sheet feeding or delivering |
36,820 |
| 241 |
Solid material comminution or disintegration |
26,571 |
| 267 |
Spring devices |
15,156 |
| 470 |
Threaded, headed fastener, or washer making: process and apparatus |
1,793 |
| 82 |
Turning |
7,094 |
| 251 |
Valves and valve actuation |
39,089 |
| 157 |
Wheelwright machines |
976 |
| 242 |
Winding, tensioning, or guiding |
44,041 |
| 142 |
Wood turning |
254 | |
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