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Patents > IPCs : IPC B64B1/00 or IPC B64C25/00 or IPC B64C39/00 & First filing: No

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Tech fields:
LTA (156) · airplane (126) · Frame (101) · design (92) · construction (73) · propulsion (64) · landing (49) · stability (47) · propellers (43) · navigation (40) · chassis (36) · balloon (34) · Wheels (32) · wings (31) · Aerodynamics (28) · dirigible (27) · None (26) · lift (26) · safety (24) · hybrid (24)
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Supplementary to patent:
None (183) · Patent FR-1909-420322 (3)
Related to aircraft:
Patent agent:
None (132) · Armengaud jeune (26) · J. Bonnet-Thirion (13) · None (10) · E. Blétry (9) · Hippolyte Josse (8) · Brandon frères (7) · Marks & Clerk (7) · Chassevent (6) · G. de Mestral et F. Harlé (6) · Weismann et Marx (6) · Ad. Sturm (5) · J. Germain (5) · Dupont et Elluin (5)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64B1/00 (175) · CPC B64C39/00 (125) · CPC B64C2700/6295 (102) · CPC B64C25/06 (32) · CPC B64F2700/6226 (27) · CPC B64C39/005 (19) · CPC B64C25/62 (15) · CPC B64C25/64 (13) · CPC B64C39/003 (10) · CPC B64C25/54 (10) · CPC B64C25/52 (10) · CPC B64C39/008 (7) · CPC B64B1/005 (7) · CPC B64C39/08 (6) · CPC B64C39/006 (5) · CPC B64B1/40 (4) · CPC B64F2700/6219 (3)
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