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Creation Date 

1. Before 1968  (29)
2. 1968 To 1984  (236)
3. 1985 To 1996  (1,335)
4. 1997 To 2009  (16,341)
5. After 2009  (111,177)
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New Records 

1. New From Last Month  (4,316)
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Subject 

1. Technical Subjects Covered By Former Uspc Cross-Reference Art Collections [xracs] And Digests  (78,897)
2. General Tagging Of Cross-Sectional Technologies Spanning Over Several Sections Of The Ipc  (78,897)
3. General Tagging Of New Technological Developments  (78,897)
4. Technologies Or Applications For Mitigation Or Adaptation Againstclimate Change  (54,825)
5. Transporting  (51,742)
6. Performing Operations  (51,742)
7. Physics  (47,509)
8. Electricity  (31,361)
9. Chemistry  (29,155)
10. Metallurgy  (29,155)
11. Information And Communication Technology [ict] Specially Adaptedfor Specific Application Fields  (28,867)
12. Technical Subjects Covered By Former Uspc  (26,054)
13. Lighting  (24,660)
14. Weapons  (24,660)
15. Blasting  (24,660)
16. Heating  (24,660)
17. Mechanical Engineering  (24,660)
18. Technical Subjects Covered By Former Us Classification  (23,224)
19. Basic Electric Elements  (20,998)
20. Climate Change Mitigation Technologies Related Totransportation  (19,440)
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Language 

1. English  (62,578)
2. French  (34,030)
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