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Creation Date 

1. Before 1960  (875)
2. 1960 To 1975  (1,903)
3. 1976 To 1991  (7,570)
4. 1992 To 2008  (50,414)
5. After 2008  (176,252)
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New Records 

1. New From Last Month  (282)
2. New From Last 3 Month  (6,701)
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Subject 

1. Transporting  (57,129)
2. Performing Operations  (57,129)
3. Physics  (48,849)
4. Chemistry  (47,379)
5. Metallurgy  (47,379)
6. Human Necessities  (36,059)
7. Calculating  (29,789)
8. Computing  (29,789)
9. Counting  (29,789)
10. Electricity  (26,021)
11. Lighting  (24,050)
12. Weapons  (24,050)
13. Blasting  (24,050)
14. Heating  (24,050)
15. Mechanical Engineering  (24,050)
16. Fixed Constructions  (21,162)
17. Physical Or Chemical Processes Or Apparatus In General  (14,411)
18. Hygiene  (12,953)
19. Medical Or Veterinary Science  (12,953)
20. Measuring  (11,356)
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Databases 

1. esp@cenet  (220,240)
2. USPTO Issued Patents  (9,799)
3. USPTO Published Applications  (6,973)
4. Fraunhofer-ePrints  (6)
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Language 

1. English  (224,195)
2. Chinese  (112,579)
3. French  (25,534)
4. German  (13,252)
5. Korean  (4,867)
6. Spanish  (2,106)
7. Japanese  (1,528)
8. Portuguese  (1,514)
9. Russian  (1,347)
10. Italian  (460)
11. Danish  (424)
12. Polish  (368)
13. Swedish  (357)
14. Ukrainian  (330)
15. Norwegian  (267)
16. Dutch  (256)
17. Finnish  (226)
18. Hebrew  (110)
19. Hungarian  (105)
20. Czech  (94)
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