Drilldown: Techtypes
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Enclosing categories:
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- Airplane (18)
- Airship (15)
- Companies (474)
- Event (141)
- Letters (683)
- Organizations (964)
- Patents (17448)
- Person (2040)
- Publications (24414)
- Techtypes (2337)
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Enclosing categories:
AU 90 (1) ·
CA 244/15 (5) ·
CA 244/3 (2) ·
CA 244/5 (1) ·
CPC (1) ·
CPC B64 (1) ·
CPC B64C (1) ·
CPC B64C27/00 (1) ·
CPC B64C27/04 (1) ·
CPC B64C27/20 (1) ·
CPC B64C27/22 (1) ·
CPC B64C29/00 (1) ·
CPC B64C29/0008 (3) ·
CPC B64C29/0016 (1) ·
CPC B64C29/0041 (2) ·
CPC B64D/62 (1) ·
German patent classifications (1) ·
heavier-than-air (1) ·
hybrid (1) ·
IPC B64 (1) ·
New Zealand patent classifications (1) ·
NZ 90 (1) ·
simple tech terms (1) ·
USPC (1) ·
USPC 244 (2) ·
USPC 244/17.11 (1) ·
USPC 244/24 (1) ·
USPC 244/6 (1)
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