Drilldown: Patents

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Patents > Tech fields : Parachutes or propeller & Patent agent: None

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Applicant is inventor:
Tech fields: (Click arrow to add another value)
Application number:
None (323)
Granted:
Supplementary to patent:
None (354) · Patent AT-1911-57225 (4) · Patent US-1913-04-21 George Raymond Lawrence (4) · Patent DE-1917-305040 (3) · Patent DE-1899-123884 (3) · Patent BE-1910-12-31 Léon Dangy (3) · Patent GB-1909-12556 (3) · Patent DE-1894-76727 (3) · Patent GB-1908-13809 (3)
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
None (95) · DE 77h.6 (42) · AT 77d (30) · DE 77 (19) · FR 6.4 (18) · IT 8 (18) · HU V/h (13) · DE 77h.5 (11) · GB 4 propel & steer (10) · USPC 244/51 (9) · DE 77h (9) · RU Group V (8) · USPC 244/30 (8) · USPC 244/13 (5) · USPC 244/73R (5) · GB 4 with buoyant (5) · USPC 244/99 (5) · GB 4 (5) · BE K (5)
IPCs:
None (344) · IPC B64B1/00 (15) · IPC B64C11/16 (9) · IPC B64C39/00 (8) · IPC B64C11/00 (7) · IPC B64C11/20 (5) · IPC B64C3/14 (4) · IPC B64C11/34 (4) · IPC B64C17/00 (4) · IPC B64B1/58 (3) · IPC B64C33/02 (3)
CPCs:
None (227) · CPC B64B1/00 (29) · CPC B64C11/006 (18) · CPC B64C2700/6295 (9) · CPC B64C23/005 (8) · CPC B64C11/00 (8) · CPC B64C9/00 (8) · CPC B64C17/00 (7) · CPC B64C11/48 (7) · CPC B64C3/14 (5) · CPC B63H1/12 (5) · CPC B64C27/12 (5) · CPC B64C11/04 (5) · CPC B64C33/02 (5) · CPC B64C29/0025 (4) · CPC B64C11/36 (4) · CPC B64C11/24 (4) · CPC B64C11/20 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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