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Patents > IPCs : IPC B64C13/00 or IPC B64C25/00 or IPC B64C27/04

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Office:
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Tech fields:
airplane (135) · control (84) · landing (69) · frame (59) · wheels (51) · None (48) · helicopter (47) · design (44) · Chassis (42) · steering (40) · stability (39) · rudder (29) · construction (28) · wings (27) · propellers (26) · propulsion (25) · hybrid (20) · navigation (20) · subsystem (18) · suspension (18)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (280) · Patent FR-1909-420322 (3) · Patent FR-1915-478440 (3) · Patent IT-1915-150227 (3) · Patent IT-1917-03-16 Federico Caproni (2) · Patent FR-1908-407090 (2) · Patent FR-1915-502520 (2) · Patent FR-1907-373818.8693 (2) · Patent FR-1911-419438 (2) · Patent GB-1911-04-28 Belton Tattnall Hamilton (2) · Patent DE-1918-388537 (2) · Patent GB-1927-653688 (2) · Patent FR-1907-373818 (2) · Patent US-1913-1118124 (2) · Patent AT-1911-58081 (2) · Patent US-1911-1011761 (2)
Related to aircraft:
Patent agent:
None (84) · Armengaud jeune (25) · Marks & Clerk (18) · None (12) · Weismann et Marx (11) · Brewer & Son (8) · J. Germain (8) · Charles Dony (7) · Hippolyte Josse (6) · Y. Rabilloud et fils (5) · Haseltine, Lake & Co.‎ (5) · Munn & Co. (5) · E. Blétry (5) · Boult, Wade & Tennant (5)
National tech categories:
FR 6.4 (180) · None (121) · DE 77h.5 (15) · USPC 244/233 (9) · FR 6.3 (9) · USPC 244/234 (7) · DE 77h.9 (6) · USPC 244/100R (5) · USPC 244/231 (5) · USPC 244/237 (4) · DE 77 (3) · USPC 244/89 (3) · DE 62b.15 (3) · USPC 244/104R (3) · USPC 244/87 (3) · USPC 244/102R (3) · USPC 244/225 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C13/00 (164) · CPC B64C2700/6256 (108) · CPC B64C2700/6281 (82) · CPC B64C25/06 (73) · CPC B64F2700/6226 (73) · CPC B64C27/04 (62) · CPC B64C25/62 (41) · CPC B64C25/64 (29) · CPC B64C25/52 (27) · CPC B64C27/12 (21) · CPC B64C25/54 (21) · CPC B64C25/60 (9) · CPC B64C2700/6259 (7) · CPC B64C27/20 (7) · CPC B64C27/52 (6) · CPC B64C25/00 (5) · CPC B64C25/50 (5)
First filing:
Citations from after 1930:
Number of diagram pages:

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