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Patents > IPCs : IPC B21D39/04 or IPC B64B1/58 or IPC B64C23/00

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Tech fields:
LTA (168) · airplane (78) · Frame (53) · propulsion (51) · None (46) · Design (43) · Hybrid (42) · construction (36) · navigation (33) · stability (29) · balloon (29) · propellers (27) · helicopter (23) · Lift (22) · ascension (22) · dirigible (21) · airship (20) · propeller (19) · envelope (19) · wings (19)
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Supplementary to patent:
None (251) · Patent FR-1909-410140 (5) · Patent ES-1906-38692 (4) · Patent FR-1907-382794 (3) · Patent DE-1909-220044 (2) · Patent GB-1908-22308 (2) · Patent FR-1908-394254 (2) · Patent FR-1908-407090 (2) · Patent FR-1909-404954 (2) · Patent DE-1912-08-22‎ (2) · Patent FR-1915-525800 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent FR-1907-392977 (2) · Patent DE-1909-227246 (2) · Patent AT-1909-42853 (2) · Patent AT-1909-40038 (2) · Patent BE-1907-11-22 Albert Jouveneau (2)
Related to aircraft:
Patent agent:
None (114) · None (16) · Marks & Clerk (12) · Armengaud jeune (10) · Boramé et Julien (8) · Schwab (7) · Lavoix et Mosès (7) · J. Bonnet-Thirion (7) · G. de Mestral et F. Harlé (7) · J. Germain (5) · E. Blétry (5) · L. Chassevent (5) · Matray freres et Cie (5) · Ed. Wolf (4) · Paul Caquet (4) · de Bongé (4)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64B1/58 (187) · CPC B64C23/005 (171) · CPC B64C2700/6274 (108) · CPC B64C2700/6273 (16) · CPC B64C2700/6271 (9) · CPC B64C23/00 (5) · None (5) · CPC B64B1/00 (3) · CPC F16F9/3415 (2) · CPC F16F9/3214 (2) · CPC F16F9/06 (2) · CPC F16C17/10 (2) · CPC F02K1/36 (2) · CPC F02K1/28 (2) · CPC B64C33/025 (2) · CPC F16F9/3482 (2) · CPC F22D11/02 (2) · CPC B64C29/0016 (2) · CPC B22D33/00 (2) · CPC B64C11/001 (2)
First filing:
Cites these patents:
None (370)
Citations from after 1930:
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