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Patents > IPCs : IPC B64C33/00 or IPC B64C39/00 & Number of diagram pages: 1

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Tech fields:
None (142) · airplane (75) · design (49) · Frame (38) · propulsion (35) · wings (28) · Propellers (25) · stability (24) · construction (22) · lift (21) · whole (19) · hybrid (13) · rudder (13) · control (12) · fuselage (12) · aerodynamics (12) · flapping (11) · airfoil (10) · navigation (10) · monoplane (9)
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Supplementary to patent:
None (199) · Patent US-1911-994106 (2) · Patent FR-1912-441089 (2) · Patent US-1908-927605 (2) · Patent FR-1911-429078 (2) · Patent US-1910-993987 (2) · Patent FR-1909-403418 (2) · Patent GB-1913-4191 (2) · Patent AT-1912-75092 (2) · Patent FR-1908-394418 (2) · Patent FR-1910-414004 (2) · Patent FR-1911-434281 (2)
Related to aircraft:
Patent agent:
None (53) · None (25) · Armengaud jeune (23) · J. Bonnet-Thirion (10) · E. Blétry (10) · J. Germain (9) · Y. Rabilloud et fils (8) · Marks & Clerk (7) · Dupont et Elluin (6) · Weismann et Marx (6) · Boramé et Julien (5) · C. Blétry (5) · G. de Mestral et F. Harlé (5) · L. Chassevent (5) · Société A. Frey et de Carsalade (4) · Charles Dony (4)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (192) · CPC B64C2700/6295 (146) · CPC B64C33/00 (29) · CPC B64C39/005 (21) · CPC B64C39/08 (15) · CPC B64C39/008 (13) · CPC B64C39/003 (10) · CPC B64C39/006 (7) · None (2) · CPC B64C2700/6246 (2) · CPC Y10S244/903 (2) · CPC B64C39/062 (2) · CPC B64C3/54 (2) · CPC B64C3/42 (2) · CPC B64C2700/6297 (2) · CPC B64C33/02 (2) · CPC B64C23/08 (2)
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Citations from after 1930:
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