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Creation Date 

1. Before 2003  (6)
2. 2003 To 2004  (5)
3. 2005 To 2006  (14)
4. 2007 To 2015  (3)
5. After 2015  (2)
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New Records 

1. New From Last Month  (1)
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Subject 

1. Earth Drilling  (16)
2. Obtaining Oil, Gas, Water, Soluble Or Meltable Materials Or Aslurry Of Minerals From Wells  (16)
3. Earth Drilling, E.G. Deep Drilling  (16)
4. Mining  (16)
5. Fixed Constructions  (16)
6. Calculating  (12)
7. Computing  (12)
8. Physics  (12)
9. Counting  (12)
10. Lighting  (11)
11. Pipe-Lines  (11)
12. Weapons  (11)
13. Blasting  (11)
14. Heating  (11)
15. Mechanical Engineering  (11)
16. Storing Of Distributing Gases Or Liquids  (11)
17. Pipe-Line Systems  (11)
18. Controlling  (10)
19. Computer Systems Based On Specific Computational Models  (10)
20. Control Or Regulating Systems In General  (10)
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Language 

1. English  (16)
2. French  (8)
3. Norwegian  (4)
4. Portuguese  (3)
5. Italian  (2)
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