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Patents > IPCs : IPC B60G7/02 or IPC B64C23/00 or IPC B64C25/00

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Tech fields:
airplane (128) · landing (68) · frame (58) · None (53) · design (50) · chassis (50) · wheels (48) · propulsion (37) · hybrid (35) · construction (32) · propellers (26) · wings (23) · helicopter (23) · takeoff (23) · suspension (22) · ascension (22) · stability (21) · Control (18) · landing gear (18) · lift (18)
Full specification filed date:
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Granted:
Supplementary to patent:
None (208) · Patent FR-1909-410140 (5) · Patent IT-1915-150227 (3) · Patent FR-1909-420322 (3) · Patent AT-1911-58081 (2) · Patent FR-1908-394254‎ (2) · Patent FR-1911-419438 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent FR-1915-525800 (2) · Patent FR-1909-404954 (2) · Patent IT-1917-03-16 Federico Caproni (2) · Patent AT-1909-40038 (2) · Patent DE-1909-220044 (2) · Patent GB-1927-653688 (2) · Patent FR-1908-407090 (2)
Related to aircraft:
Patent agent:
None (52) · Armengaud jeune (14) · None (13) · Marks & Clerk (10) · Charles Dony (8) · Hippolyte Josse (7) · J. Bonnet-Thirion (7) · G. de Mestral et F. Harlé (6) · E. Blétry (6) · Schwab (6) · Weismann et Marx (5) · J. Germain (5) · Boult, Wade & Tennant (4) · John P. Tarbox (4) · Paul Caquet (4)
National tech categories:
FR 6.4 (175) · None (80) · DE 77h.9 (7) · USPC 244/100R (5) · FR 6.3 (4) · DE 77 (4) · USPC 244/6 (3) · USPC 244/50 (3) · USPC 244/104R (3) · USPC 244/102R (3) · DE 77h.5 (2) · USPC 244/104CS (2) · USPC 244/66 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C23/005 (172) · CPC B64C2700/6274 (108) · CPC B64F2700/6226 (75) · CPC B64C25/06 (73) · CPC B64C25/62 (46) · CPC B64C25/64 (30) · CPC B64C25/52 (27) · CPC B64C25/54 (21) · CPC B64C2700/6273 (16) · CPC B64C2700/6271 (10) · CPC B64C25/60 (9) · CPC B64C25/00 (6) · CPC B64C25/50 (5) · CPC B64C25/14 (5) · CPC B64C23/00 (5) · CPC B64C25/34 (4) · CPC B64C25/02 (4) · CPC B64C25/62 B64F2700/6226 (3)
First filing:
Cites these patents:
None (301)
Citations from after 1930:
Number of diagram pages:

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