Drilldown: Patents

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Patents > Related to aircraft : rudder or None & Patent agent: None

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Tech fields:
None (1646) · LTA (54) · Propulsion (50) · navigation (46) · airplane (31) · frame (25) · stability (21) · propeller (18) · balloon (18) · propellers (17) · Construction (15) · control (14) · safety (14) · kite (11) · Design (10) · military (10) · Subsystem (10) · rudder (10) · car (9) · wings (8)
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Supplementary to patent:
None (1848) ·   (5) · Patent FR-1911-430455 (2)
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National tech categories:
None (1689) · FR 6.4 (27) · FR 5 (10) · FR 6.3 (10) · USPC 244/153R (7) · FR 3 (5) · FR 2 (5) · HU V/h (4) · USPC 244/26 (4) · USPC 244/155R (3) · USPC 244/25 (3) · USPC 244/27 (3) · USPC 244/30 (3) · USPC 244/93 (3) · DK 65 (3) · USPC 244/80 (3) · AT 77d (3) · USPC 244/51 (3)
IPCs:
None (1769) · IPC B64B1/00 (18) · IPC B64C11/00 (8) · IPC B64C17/00 (7) · IPC B64B1/40 (4) · IPC B64C39/00 (4) · IPC B64B1/58 (3) · IPC B64C23/00 (3) · IPC B64C3/54 (3) · IPC B64B1/62 (3) · IPC B64C31/00 (3) · IPC B64C31/06 (3) · IPC B64C39/008 (3) · IPC CPC B64C13/00 (3) · 1 (3)
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Citations from after 1930:
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