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Creation Date 

1. Before 1960  (47,221)
2. 1960 To 1975  (154,647)
3. 1976 To 1991  (551,496)
4. 1992 To 2008  (844,699)
5. After 2008  (1,542,911)
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New Records 

1. New From Last Month  (89,306)
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Resource Type 

1. Patents  (3,149,189)
2. magazinearticle  (1)
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Subject 

1. Lighting  (3,149,189)
2. Blasting  (3,149,189)
3. Heating  (3,149,189)
4. Mechanical Engineering  (3,149,189)
5. Transporting  (3,149,159)
6. Performing Operations  (3,149,158)
7. Engineering Elements And Units  (1,512,894)
8. Thermal Insulation In General  (1,512,894)
9. General Measures For Producing And Maintaining Effectivefunctioning Of Machines Or Installations  (1,512,894)
10. Vehicles In General  (861,906)
11. Physical Or Chemical Processes Or Apparatus In General  (550,542)
12. Separation  (413,441)
13. Hot-Gas Or Combustion-Product Engine Plants  (330,255)
14. Combustion Engines  (330,255)
15. Gearing  (314,887)
16. Arrangement Or Mounting Of Plural Diverse Prime-Movers Invehicles  (303,194)
17. Arrangement Or Mounting Of Propulsion Units Or Oftransmissions In Vehicles  (303,194)
18. Auxiliary Drives For Vehicles  (303,194)
19. Instrumentation Or Dashboards For Vehicles  (303,194)
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Databases 

1. esp@cenet  (3,149,189)
2. ProQuest Central  (1)
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Language 

1. English  (2,514,342)
2. Chinese  (599,018)
3. French  (504,551)
4. German  (498,788)
5. Korean  (126,311)
6. Japanese  (125,159)
7. Spanish  (54,142)
8. Portuguese  (29,789)
9. Italian  (25,220)
10. Russian  (25,063)
11. Swedish  (21,303)
12. Danish  (11,883)
13. Finnish  (10,086)
14. Dutch  (9,024)
15. Norwegian  (8,892)
16. Polish  (8,314)
17. Czech  (2,941)
18. Ukrainian  (1,841)
19. Turkish  (1,825)
20. Hungarian  (1,541)
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