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Patents > Related to aircraft : 1/2 or Other & Citations from after 1930: 1

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Tech fields:
None (112) · airplane (51) · stability (48) · LTA (46) · propulsion (44) · Frame (43) · propeller (39) · navigation (33) · rudder (20) · control (18) · car (17) · wheels (15) · parachute (15) · Aerial propeller (14) · helicopter (14) · landing (13) · automatic stability (12) · marine (12) · safety (12)
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Supplementary to patent:
None (382) · Patent BE-1912-02-07-Gramaticesco (3) · Patent FR-1916-501550 (2)
Related to aircraft: (Click arrow to add another value)
National tech categories:
None (185) · FR 6.4 (47) · USPC 244/45R (11) · USPC 244/80 (9) · USPC 244/64 (6) · USPC 244/3.23 (6) · USPC 244/22 (6) · USPC 244/20 (6) · USPC 244/177 (6) · USPC 244/90R (5) · USPC 244/66 (5) · USPC 244/6 (5) · USPC 244/119 (5) · USPC 244/9 (4) · USPC 244/73R (4) · USPC 244/70 (4) · USPC 244/30 (4)
IPCs:
None (241) · IPC B64C3/00 (16) · IPC B64C39/00 (13) · IPC B64B1/00 (11) · IPC B64C3/38 (11) · IPC B64C35/00 (8) · IPC B64C1/00 (8) · IPC B64C17/00 (7) · IPC B64C3/54 (6) · IPC B64C13/00 (6) · IPC B64C25/00 (6) · IPC B64C33/00 (5) · IPC F42B10/00 (5) · IPC B64C11/48 (4) · IPC B64B1/62 (4)
CPCs:
CPC B64C17/00 (21) · CPC B64C13/00 (21) · CPC B64C39/005 (19) · CPC B64C2700/6295 (18) · CPC B64B1/00 (18) · CPC B64C3/385 (17) · CPC B64C3/00 (16) · CPC B64C23/005 (15) · CPC B64C11/48 (14) · None (14) · CPC B64C27/54 (13) · CPC B64C33/02 (11) · CPC B64C35/00 (11) · CPC B64C39/08 (10) · CPC B64C2700/6235 (10) · CPC B64C11/04 (10) · CPC B64C11/006 (8) · CPC B64C3/14 (8) · CPC F16B2/02 (7) · CPC Y10T403/4677 (7)
First filing:
Citations from after 1930:
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