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Browse by Category: Main > Material Science |
| Class Number |
Class Name |
Patents |
| 420 |
Alloys or metallic compositions |
18,385 |
| 119 |
Animal husbandry |
18,147 |
| 134 |
Cleaning and liquid contact with solids |
50,360 |
| 252 |
Compositions |
72,754 |
| 501 |
Compositions: ceramic |
34,641 |
| 106 |
Compositions: coating or plastic |
70,351 |
| 34 |
Drying and gas or vapor contact with solids |
23,988 |
| 349 |
Liquid crystal cells, elements and systems |
45,999 |
| 184 |
Lubrication |
6,395 |
| 72 |
Metal deforming |
39,073 |
| 164 |
Metal founding |
26,163 |
| 228 |
Metal fusion bonding |
28,768 |
| 76 |
Metal tools and implements, making |
2,821 |
| 148 |
Metal treatment |
45,470 |
| 266 |
Metallurgical apparatus |
12,607 |
| 208 |
Mineral oils: processes and products |
37,587 |
| 299 |
Mining or in situ disintegration of hard material |
6,210 |
| 977 |
Nanotechnology |
11,209 |
| 264 |
Plastic and nonmetallic article shaping or treating: processes |
157,532 |
| 425 |
Plastic article or earthenware shaping or treating: apparatus |
76,655 |
| 419 |
Powder metallurgy processes |
14,984 |
| 503 |
Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor |
8,312 |
| 117 |
Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor |
21,032 |
| 508 |
Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions |
17,141 |
| 75 |
Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures |
22,542 |
| 428 |
Stock material or miscellaneous articles |
366,905 |
| 526 |
Synthetic resins or natural rubbers -- part of the class 520 series |
88,434 |
| 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 |
127,068 |
| 525 |
Synthetic resins or natural rubbers -- part of the class 520 series |
145,236 |
| 524 |
Synthetic resins or natural rubbers -- part of the class 520 series |
153,666 |
| 523 |
Synthetic resins or natural rubbers -- part of the class 520 series |
31,417 |
| 521 |
Synthetic resins or natural rubbers -- part of the class 520 series |
38,652 |
| 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 |
30,743 |
| 245 |
Wire fabrics and structure |
278 | |
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