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Creation Date 

1. Before 1961  (655)
2. 1961 To 1976  (5,306)
3. 1977 To 1992  (18,086)
4. 1993 To 2009  (13,929)
5. After 2009  (16,252)
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New Records 

1. New From Last Month  (49)
2. New From Last 3 Month  (507)
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Resource Type 

1. Patents  (54,227)
2. Books  (1)
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Subject 

1. Heating  (52,663)
2. Lighting  (52,662)
3. Weapons  (52,662)
4. Blasting  (52,662)
5. Mechanical Engineering  (52,662)
6. Engineering Elements And Units  (20,067)
7. Thermal Insulation In General  (20,067)
8. General Measures For Producing And Maintaining Effectivefunctioning Of Machines Or Installations  (20,067)
9. Transporting  (12,238)
10. Performing Operations  (12,238)
11. Means For Thermal Insulation In General  (6,417)
12. Joints Or Fittings For Pipes  (6,417)
13. Pipes  (6,417)
14. Supports For Pipes, Cables Or Protective Tubing  (6,417)
15. Machines Or Engines For Liquids  (5,766)
16. Producing Mechanical Power  (5,766)
17. Wind, Spring Weight And Miscellaneous Motors  (5,766)
18. Or A Reactive Propulsive Thrust, Not Otherwise Provided For  (5,766)
19. Ventilating  (5,363)
20. Ranges  (5,363)
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Databases 

1. esp@cenet  (54,227)
2. Ebook Central - Academic Complete  (1)
3. Norden iLibrary  (1)
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Language 

1. English  (2,578)
2. French  (120)
3. Swedish  (1)
4. Norwegian  (1)
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