Drilldown: Patents

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Patents > Applicant firm: None & Tech fields : Frame or propeller & Patent agent: None

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Inventor country:
US (263) · DE (205) · FR (139) · GB (77) · None (61) · IT (34) · AT (26) · CH (18) · HU (18) · AU (13) · CA (13) · RU (12) · AH (9) · Poland (9) · Prussia (8) · BE (8) · NZ (5) · NO (5) · NL (5) · MC (4)
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Applicant is inventor:
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Application number:
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Supplementary to patent:
None (670) · Patent GB-1908-4519 (6) · Patent US-1909-970771 (5) · Patent US-1903-821393 (5) · Patent CH-1899-18666 (4) · Patent FR-1906-363017 (4) · Patent DE-1899-123884 (3) · Patent GB-1911-12232 (3) · Patent GB-1908-13809 (3) · Patent GB-1909-12556 (3) · Patent DE-1909-232158 (3) · Patent DE-1911-258741 (3) · Patent DE-1917-305040 (3) · Patent DE-1894-76727 (3) · Patent GB-1913-16499 (3) · Patent AU-1911-510 (3)
Related to aircraft:
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Assigned to:
None (883)
IPCs:
None (640) · IPC B64B1/00 (38) · IPC B64C39/00 (23) · IPC B64B1/58 (14) · IPC B64C3/00 (12) · IPC B64C31/06 (11) · IPC B64C1/00 (11) · IPC B64C17/00 (10) · IPC B64C11/16 (8) · IPC B64C33/02 (8) · IPC B64C3/56 (7) · IPC B64C31/00 (7) · IPC B64C11/00 (7) · IPC B64C3/14 (6) · IPC B64C3/38 (5) · IPC B64C23/00 (5) · IPC B64B1/40 (5) · IPC B64C33/00 (5) · IPC B64C25/00 (5)
CPCs:
None (437) · CPC B64B1/00 (57) · CPC B64C2700/6295 (26) · CPC B64B1/58 (19) · CPC B64C39/00 (19) · CPC A63H27/08 (19) · CPC B64C11/006 (18) · CPC B64C17/00 (17) · CPC B64C33/02 (17) · CPC B64C13/00 (15) · CPC B64C23/005 (13) · CPC B64B1/40 (12) · CPC B64C9/00 (10) · CPC B64C3/385 (9) · CPC B64C3/14 (8) · CPC B64C3/00 (8) · CPC B64C29/0025 (8) · CPC B64C11/00 (8) · CPC B64C39/005 (8) · CPC B64C11/48 (7)
First filing:
Citations from after 1930:
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