Drilldown: Patents

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Patents > Applicant firm: None & Tech fields : Airship or aerodynamics or navigation or propulsion & Related to aircraft: Yes & Patent agent : None or None

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Application number:
Granted:
Supplementary to patent:
None (623) · Patent FR-1841-9265 (4) · Patent DE-1907-215602 (3) · Patent FR-1910-423792 (3) · Patent DE-1912-05-04 Otto Albin Budig (3) · Patent US-1913-1087946 (3)
Related to aircraft: (Click arrow to add another value)
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National tech categories:
None (216) · FR 6.4 (111) · HU V/h (74) · FR 6.3 (67) · DE 77 (40) · FR 5 (29) · AT 77d (15) · FR 6.2 (14) · USPC 244/30 (13) · FR 6 (11) · GB 4 with buoyant (10) · DE 77h (9) · BE K (9) · USPC 244/22 (8) · DE 77h.5 (7) · GB 4 without buoyant (7) · GB 4 propel & steer (7) · USPC 244/97 (7) · USPC 244/51 (7)
IPCs:
None (550) · IPC B64B1/00 (49) · IPC B64C39/00 (27) · IPC B64C1/00 (19) · IPC B64C17/00 (16) · IPC B64C33/02 (14) · IPC B64C11/00 (13) · IPC B64B1/58 (11) · IPC B64C33/00 (10) · IPC B64C23/00 (6) · IPC B64C13/00 (5) · IPC B64B1/40 (5) · IPC B64C11/16 (5) · IPC B64C9/00 (5) · IPC B64C3/14 (4) · IPC CPC B64C13/00 (4) · IPC B63H1/12 (4)
CPCs:
None (437) · CPC B64B1/00 (68) · CPC B64C33/02 (21) · CPC B64C17/00 (20) · CPC B64C39/00 (19) · CPC B64C2700/6295 (17) · CPC B64C13/00 (17) · CPC B64C23/005 (16) · CPC B64C11/006 (13) · CPC B64B1/58 (13) · CPC B64C33/00 (9) · CPC B64C11/00 (8) · CPC B64C2700/6218 (8) · CPC B64C39/005 (7) · CPC B64C11/001 (6) · CPC B64B1/62 (6) · CPC B64B1/40 (6) · CPC B64C9/00 (6)
First filing:
Citations from after 1930:
Number of diagram pages:

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