Drilldown: Patents

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Patents > Applicant firm: None & Tech fields : military or propeller

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Inventor country:
US (483) · FR (156) · DE (138) · GB (116) · None (54) · AT (34) · IT (25) · CH (18) · AU (11) · NL (10) · CA (10) · NZ (8) · HU (8) · SE (5) · BE (5) · Prussia (4) · NO (4) · MX (4) · RU (4) · AH (4)
Applicant firm: (Click arrow to add another value)
Applicant is inventor:
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Application number:
Granted:
Supplementary to patent:
None (859) · Patent GB-1909-12556 (10) · Patent DE-1899-123884 (6) · Patent FR-1909-410140 (4) · Patent US-1913-04-21 George Raymond Lawrence (4) · Patent GB-1911-5162 (4) · Patent FR-1904-340154 (4) · Patent DE-1893-73799 (3) · Patent GB-1908-13809 (3) · Patent FR-1908-405961 (3) · Patent DE-1894-76727 (3) · Patent US-1894-526394 (3) · Patent US-1906-850616 (3) · Patent US-1910-984076 (3) · Patent DE-1917-305040 (3) · Patent DE-1916-332540 (3)
Related to aircraft:
Assigned to:
None (1043) · Charles Spear (2)
IPCs:
None (711) · IPC B64B1/00 (39) · IPC B64D1/04 (23) · IPC B64C39/00 (21) · IPC F42B10/00 (19) · IPC B64C11/00 (15) · IPC B64C23/00 (14) · IPC B64C11/16 (14) · IPC F41G3/24 (10) · IPC B64C17/00 (8) · IPC B64B1/58 (7) · IPC B64B1/40 (7) · IPC B64C27/00 (6) · IPC B64C11/20 (6) · IPC B64C33/02 (6) · IPC B64C27/04 (6)
First filing:
Citations from after 1930:
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