Refine My Results

Creation Date 

1. Before 1959  (11,532)
2. 1959 To 1973  (21,067)
3. 1974 To 1988  (39,904)
4. 1989 To 2004  (103,223)
5. After 2004  (293,737)
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Subject 

1. Technologies Or Applications For Mitigation Or Adaptation Againstclimate Change  (248,677)
2. Technical Subjects Covered By Former Uspc  (240,142)
3. Semiconductor Devices  (226,690)
4. Electric Solid State Devices Not Otherwise Provided For  (226,690)
5. Technical Subjects Covered By Former Us Classification  (160,677)
6. Chemistry  (100,714)
7. Metallurgy  (100,714)
8. Processes Or Means, E.G. Batteries, For The Direct Conversionof Chemical Into Electrical Energy  (97,256)
9. Transporting  (95,915)
10. Performing Operations  (95,915)
11. Climate Change Mitigation Technologies In The Production Orprocessing Of Goods  (95,344)
12. Technical Subjects Covered By Former Uspc Cross-Reference Artcollections [xracs] And Digests  (94,030)
13. Physics  (61,547)
14. Electric Techniques Not Otherwise Provided For  (43,236)
15. Capacitors  (40,208)
16. More options 

Language 

1. English  (418,440)
2. Chinese  (78,474)
3. French  (71,417)
4. German  (54,453)
5. Korean  (28,444)
6. Japanese  (17,791)
7. Spanish  (2,469)
8. Russian  (2,008)
9. Portuguese  (1,358)
10. Dutch  (1,148)
11. Swedish  (1,089)
12. Italian  (919)
13. Danish  (455)
14. Finnish  (371)
15. Polish  (245)
16. Norwegian  (204)
17. Ukrainian  (142)
18. Romanian  (103)
19. Czech  (45)
20. More options