| |
 |
Browse by Category: Main > Material Science |
| Class Number |
Class Name |
Patents |
| 420 |
Alloys or metallic compositions |
20,524 |
| 119 |
Animal husbandry |
21,333 |
| 134 |
Cleaning and liquid contact with solids |
58,535 |
| 252 |
Compositions |
84,835 |
| 501 |
Compositions: ceramic |
38,669 |
| 106 |
Compositions: coating or plastic |
79,953 |
| 34 |
Drying and gas or vapor contact with solids |
26,730 |
| 349 |
Liquid crystal cells, elements and systems |
68,815 |
| 184 |
Lubrication |
7,339 |
| 72 |
Metal deforming |
43,678 |
| 164 |
Metal founding |
28,602 |
| 228 |
Metal fusion bonding |
32,775 |
| 76 |
Metal tools and implements, making |
3,052 |
| 148 |
Metal treatment |
50,530 |
| 266 |
Metallurgical apparatus |
13,802 |
| 208 |
Mineral oils: processes and products |
42,993 |
| 299 |
Mining or in situ disintegration of hard material |
6,780 |
| 977 |
Nanotechnology |
18,000 |
| 264 |
Plastic and nonmetallic article shaping or treating: processes |
176,993 |
| 425 |
Plastic article or earthenware shaping or treating: apparatus |
85,196 |
| 419 |
Powder metallurgy processes |
15,990 |
| 503 |
Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor |
8,713 |
| 117 |
Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor |
24,778 |
| 508 |
Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions |
19,827 |
| 75 |
Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures |
25,040 |
| 428 |
Stock material or miscellaneous articles |
414,330 |
| 526 |
Synthetic resins or natural rubbers -- part of the class 520 series |
100,291 |
| 527 |
Synthetic resins or natural rubbers -- part of the class 520 series |
2,003 |
| 528 |
Synthetic resins or natural rubbers -- part of the class 520 series |
139,076 |
| 525 |
Synthetic resins or natural rubbers -- part of the class 520 series |
161,026 |
| 524 |
Synthetic resins or natural rubbers -- part of the class 520 series |
171,673 |
| 523 |
Synthetic resins or natural rubbers -- part of the class 520 series |
35,591 |
| 521 |
Synthetic resins or natural rubbers -- part of the class 520 series |
41,999 |
| 520 |
Synthetic resins or natural rubbers -- part of the class 520 series |
15 |
| 522 |
Synthetic resins or natural rubbers -- part of the class 520 series |
35,928 |
| 245 |
Wire fabrics and structure |
305 | |
|
|
