Drilldown: Patents

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Patents > Assigned to: None & IPCs : IPC B64B1/40 or IPC B64C33/00 or None & Family year: 1900 - 1999 & Number of text pages: 4-50000000

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Tech fields:
Airplane (215) · stability (158) · frame (141) · None (116) · Propulsion (97) · design (93) · navigation (70) · LTA (68) · wings (67) · propeller (67) · Propellers (61) · control (57) · rudder (52) · Construction (47) · Whole (42) · automatic stability (42) · Subsystem (38) · Aerodynamics (37) · wheels (36)
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Supplementary to patent:
None (526) · Patent US-1909-970771 (5) · Patent GB-1909-26034 (5) · Patent GB-1908-4519 (4) · Patent GB-1913-16499 (4) · Patent BE-1911-05-15 Georges de Bothezat (4) · Patent GB-1911-12232 (4) · Patent HU-1901-22471 (3) · Patent GB-1903-27212 (3) · Patent US-1913-04-21 George Raymond Lawrence (3) · Patent FR-1902-321808 (3)
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CPCs:
None (300) · CPC B64C17/00 (51) · CPC B64C13/00 (36) · CPC B64C2700/6295 (26) · CPC B64C23/005 (26) · CPC B64C33/00 (24) · CPC B64B1/00 (21) · CPC B64C33/02 (17) · CPC B64C39/005 (16) · CPC B64C3/385 (13) · CPC B64C35/00 (12) · CPC B64B1/40 (9) · CPC B64C13/24 (9) · CPC B64C39/08 (9) · CPC B64C3/14 (8) · CPC B64C3/40 (8) · CPC B64C2700/6218 (8) · CPC B64C39/00 (8) · CPC B64C21/02 (6)
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Citations from after 1930:

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