Refine My Results

Creation Date 

1. Before 1978  (306)
2. 1978 To 1988  (389)
3. 1989 To 1999  (110)
4. 2000 To 2011  (465)
5. After 2011  (726)
6. More options 

New Records 

1. New From Last Month  (24)
2. More options 

Subject 

1. Technical Subjects Covered By Former Uspc Cross-Reference Art Collections [xracs] And Digests  (1,468)
2. General Tagging Of Cross-Sectional Technologies Spanning Over Several Sections Of The Ipc  (1,468)
3. General Tagging Of New Technological Developments  (1,468)
4. Technologies Or Applications For Mitigation Or Adaptation Againstclimate Change  (922)
5. Transporting  (854)
6. Performing Operations  (854)
7. Technical Subjects Covered By Former Uspc  (614)
8. Lighting  (581)
9. Weapons  (581)
10. Blasting  (581)
11. Heating  (581)
12. Mechanical Engineering  (581)
13. Physics  (515)
14. Technical Subjects Covered By Former Us Classification  (437)
15. Chemistry  (355)
16. Metallurgy  (355)
17. Information And Communication Technology [ict] Specially Adaptedfor Specific Application Fields  (287)
18. Electricity  (265)
19. Climate Change Mitigation Technologies Related Totransportation  (234)
20. Technologies For Adaptation To Climate Change  (231)
21. More options 

Language 

1. English  (83)
2. French  (3)
3. More options