Drilldown: Patents

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Patents > Year filed: 1900 - 1999 & Tech fields: propeller & Patent agent: None

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Applicant person:
None (123) · Christian Lorenzen (7) · Paul Frederik Degn (4) · Antoine-Padoue Filippi (3) · Ugo Antoni (3) · Louis Coutant Badeau (3) · Hugo Hueckel (3) · Guido Antoni (3) · Edward Smethurst (2) · Melvin Vaniman (2) · Spencer Heath (2) · Louis Gathmann (2) · Philippe Delbert (2) · Hans Reissner (2) · Armand Dufaux (2) · Gustav Mees (2) · Jakob Haw (2)
Applicant is inventor:
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Full specification filed date:
Application number:
None (172)
Granted:
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Supplementary to patent:
None (230) · Patent GB-1908-13809 (3) · Patent GB-1909-12556 (3) · Patent DE-1917-305040 (3) · Patent DE-1907-194165 (2) · Patent FR-1904-340154 (2) · Patent FR-1902-328044 (2) · Patent DE-1917-323641 (2) · Patent DE-1916-332540 (2) · Patent DE-1913-290120 (2) · Patent DE-1907-214228 (2) · Patent HU-1901-22471 (2) · Patent US-1904-793746 (2)
Related to aircraft:
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National tech categories:
None (55) · DE 77h.6 (42) · AT 77d (23) · IT 8 (15) · FR 6.4 (13) · DE 77h.5 (9) · USPC 244/51 (7) · RU Group V (7) · DE 77h (5) · USPC 244/13 (5) · USPC 244/25 (4) · DE 77h.2 (3) · USPC 244/35R (3) · USPC 244/52 (3) · USPC 244/73R (3) · USPC 244/60 (3) · MX F. II (3) · USPC 244/66 (3) · USPC 244/99 (3)
IPCs:
None (206) · IPC B64C11/16 (8) · IPC B64B1/00 (7) · IPC B64C11/00 (6) · IPC B64C11/20 (5) · IPC B64C39/00 (5) · IPC B64C11/34 (4) · IPC B64C3/14 (4) · IPC B64C17/00 (3) · IPC B64C33/02 (3)
CPCs:
None (122) · CPC B64B1/00 (13) · CPC B64C11/006 (11) · CPC B64C2700/6295 (9) · CPC B64C11/00 (7) · CPC B64C23/005 (6) · CPC B64C17/00 (6) · CPC B64C9/00 (6) · CPC B64C3/14 (5) · CPC B64C33/02 (5) · CPC B64C11/04 (5) · CPC B64C27/12 (4) · CPC B64C11/48 (4) · CPC B64C11/36 (4) · CPC B64C11/24 (4) · CPC B64C11/20 (4)
First filing:
Cites these patents:
Citations from after 1930:
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