Refine My Results

Creation Date 

1. Before 1960  (295,837)
2. 1960 To 1975  (530,882)
3. 1976 To 1991  (1,688,389)
4. 1992 To 2008  (3,603,518)
5. After 2008  (6,981,763)
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New Records 

1. New From Last Month  (35,339)
2. New From Last 3 Month  (356,184)
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Subject 

1. Semiconductor Devices  (5,534,978)
2. Electric Solid State Devices Not Otherwise Provided For  (5,534,978)
3. Physics  (2,019,034)
4. Processes Or Means, E.G. Batteries, For The Direct Conversionof Chemical Into Electrical Energy  (1,807,914)
5. Chemistry  (1,594,401)
6. Metallurgy  (1,594,401)
7. Transporting  (1,362,806)
8. Performing Operations  (1,362,806)
9. Line Connectors  (1,333,515)
10. Current Collectors  (1,333,515)
11. Emergency Protective Devices  (1,057,851)
12. Selectors  (1,057,851)
13. Electric Switches  (1,057,851)
14. Relays  (1,057,851)
15. Electric Discharge Tubes Or Discharge Lamps  (907,425)
16. Electric Techniques Not Otherwise Provided For  (849,869)
17. Magnets  (772,850)
18. Inductances  (772,850)
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Language 

1. English  (11,134,901)
2. Chinese  (2,846,391)
3. French  (1,564,441)
4. German  (1,344,927)
5. Korean  (891,059)
6. Japanese  (763,244)
7. Spanish  (84,737)
8. Russian  (71,247)
9. Italian  (44,488)
10. Portuguese  (40,087)
11. Swedish  (26,719)
12. Dutch  (22,486)
13. Finnish  (15,461)
14. Danish  (15,240)
15. Polish  (12,912)
16. Norwegian  (10,754)
17. Romanian  (3,647)
18. Czech  (3,331)
19. Hungarian  (3,241)
20. Ukrainian  (3,205)
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