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Browse by Category: Main > Material Science |
| Class Number |
Class Name |
Patents |
| 420 |
Alloys or metallic compositions |
18,596 |
| 119 |
Animal husbandry |
18,505 |
| 134 |
Cleaning and liquid contact with solids |
51,295 |
| 252 |
Compositions |
74,051 |
| 501 |
Compositions: ceramic |
35,219 |
| 106 |
Compositions: coating or plastic |
71,358 |
| 34 |
Drying and gas or vapor contact with solids |
24,209 |
| 349 |
Liquid crystal cells, elements and systems |
48,935 |
| 184 |
Lubrication |
6,459 |
| 72 |
Metal deforming |
39,665 |
| 164 |
Metal founding |
26,400 |
| 228 |
Metal fusion bonding |
29,267 |
| 76 |
Metal tools and implements, making |
2,850 |
| 148 |
Metal treatment |
46,020 |
| 266 |
Metallurgical apparatus |
12,744 |
| 208 |
Mineral oils: processes and products |
38,372 |
| 299 |
Mining or in situ disintegration of hard material |
6,297 |
| 977 |
Nanotechnology |
11,958 |
| 264 |
Plastic and nonmetallic article shaping or treating: processes |
159,442 |
| 425 |
Plastic article or earthenware shaping or treating: apparatus |
77,673 |
| 419 |
Powder metallurgy processes |
15,130 |
| 503 |
Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor |
8,370 |
| 117 |
Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor |
21,536 |
| 508 |
Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions |
17,378 |
| 75 |
Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures |
22,940 |
| 428 |
Stock material or miscellaneous articles |
372,077 |
| 526 |
Synthetic resins or natural rubbers -- part of the class 520 series |
89,818 |
| 527 |
Synthetic resins or natural rubbers -- part of the class 520 series |
1,854 |
| 528 |
Synthetic resins or natural rubbers -- part of the class 520 series |
128,241 |
| 525 |
Synthetic resins or natural rubbers -- part of the class 520 series |
146,865 |
| 524 |
Synthetic resins or natural rubbers -- part of the class 520 series |
155,769 |
| 523 |
Synthetic resins or natural rubbers -- part of the class 520 series |
31,899 |
| 521 |
Synthetic resins or natural rubbers -- part of the class 520 series |
38,921 |
| 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 |
31,502 |
| 245 |
Wire fabrics and structure |
280 | |
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