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Browse by Category: Main > Material Science |
| Class Number |
Class Name |
Patents |
| 420 |
Alloys or metallic compositions |
18,535 |
| 119 |
Animal husbandry |
18,349 |
| 134 |
Cleaning and liquid contact with solids |
50,974 |
| 252 |
Compositions |
73,580 |
| 501 |
Compositions: ceramic |
35,021 |
| 106 |
Compositions: coating or plastic |
70,966 |
| 34 |
Drying and gas or vapor contact with solids |
24,131 |
| 349 |
Liquid crystal cells, elements and systems |
47,840 |
| 184 |
Lubrication |
6,426 |
| 72 |
Metal deforming |
39,440 |
| 164 |
Metal founding |
26,329 |
| 228 |
Metal fusion bonding |
29,061 |
| 76 |
Metal tools and implements, making |
2,841 |
| 148 |
Metal treatment |
45,821 |
| 266 |
Metallurgical apparatus |
12,698 |
| 208 |
Mineral oils: processes and products |
38,050 |
| 299 |
Mining or in situ disintegration of hard material |
6,263 |
| 977 |
Nanotechnology |
11,644 |
| 264 |
Plastic and nonmetallic article shaping or treating: processes |
158,669 |
| 425 |
Plastic article or earthenware shaping or treating: apparatus |
77,272 |
| 419 |
Powder metallurgy processes |
15,071 |
| 503 |
Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor |
8,346 |
| 117 |
Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor |
21,336 |
| 508 |
Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions |
17,287 |
| 75 |
Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures |
22,774 |
| 428 |
Stock material or miscellaneous articles |
370,096 |
| 526 |
Synthetic resins or natural rubbers -- part of the class 520 series |
89,320 |
| 527 |
Synthetic resins or natural rubbers -- part of the class 520 series |
1,846 |
| 528 |
Synthetic resins or natural rubbers -- part of the class 520 series |
127,716 |
| 525 |
Synthetic resins or natural rubbers -- part of the class 520 series |
146,255 |
| 524 |
Synthetic resins or natural rubbers -- part of the class 520 series |
154,957 |
| 523 |
Synthetic resins or natural rubbers -- part of the class 520 series |
31,722 |
| 521 |
Synthetic resins or natural rubbers -- part of the class 520 series |
38,826 |
| 520 |
Synthetic resins or natural rubbers -- part of the class 520 series |
12 |
| 522 |
Synthetic resins or natural rubbers -- part of the class 520 series |
31,300 |
| 245 |
Wire fabrics and structure |
280 | |
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