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Browse by Category: Main > Material Science |
| Class Number |
Class Name |
Patents |
| 420 |
Alloys or metallic compositions |
19,944 |
| 119 |
Animal husbandry |
20,355 |
| 134 |
Cleaning and liquid contact with solids |
56,061 |
| 252 |
Compositions |
81,132 |
| 501 |
Compositions: ceramic |
37,649 |
| 106 |
Compositions: coating or plastic |
77,322 |
| 34 |
Drying and gas or vapor contact with solids |
25,841 |
| 349 |
Liquid crystal cells, elements and systems |
62,286 |
| 184 |
Lubrication |
7,074 |
| 72 |
Metal deforming |
42,209 |
| 164 |
Metal founding |
27,821 |
| 228 |
Metal fusion bonding |
31,681 |
| 76 |
Metal tools and implements, making |
2,982 |
| 148 |
Metal treatment |
48,936 |
| 266 |
Metallurgical apparatus |
13,479 |
| 208 |
Mineral oils: processes and products |
41,679 |
| 299 |
Mining or in situ disintegration of hard material |
6,629 |
| 977 |
Nanotechnology |
15,800 |
| 264 |
Plastic and nonmetallic article shaping or treating: processes |
171,431 |
| 425 |
Plastic article or earthenware shaping or treating: apparatus |
82,900 |
| 419 |
Powder metallurgy processes |
15,719 |
| 503 |
Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor |
8,586 |
| 117 |
Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor |
23,611 |
| 508 |
Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions |
19,074 |
| 75 |
Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures |
24,427 |
| 428 |
Stock material or miscellaneous articles |
401,275 |
| 526 |
Synthetic resins or natural rubbers -- part of the class 520 series |
97,105 |
| 527 |
Synthetic resins or natural rubbers -- part of the class 520 series |
1,936 |
| 528 |
Synthetic resins or natural rubbers -- part of the class 520 series |
135,754 |
| 525 |
Synthetic resins or natural rubbers -- part of the class 520 series |
156,464 |
| 524 |
Synthetic resins or natural rubbers -- part of the class 520 series |
166,535 |
| 523 |
Synthetic resins or natural rubbers -- part of the class 520 series |
34,381 |
| 521 |
Synthetic resins or natural rubbers -- part of the class 520 series |
40,926 |
| 520 |
Synthetic resins or natural rubbers -- part of the class 520 series |
13 |
| 522 |
Synthetic resins or natural rubbers -- part of the class 520 series |
34,473 |
| 245 |
Wire fabrics and structure |
297 | |
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