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Patents > IPCs : IPC B64B1/00 or IPC B64C3/56

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Tech fields:
LTA (376) · frame (107) · balloon (86) · propulsion (83) · navigation (80) · dirigible (55) · airplane (54) · design (53) · Airship (49) · construction (47) · stability (42) · hybrid (42) · car (36) · safety (34) · dirigibles (32) · wings (31) · propeller (30) · balloons (29) · rigid (27) · rudder (25)
Full specification filed date:
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Supplementary to patent:
None (408) · Patent FR-1913-472867 (4) · Patent FR-1913-467415 (3) · Patent ES-1906-38692 (3) · Patent US-1913-1087946 (2) · Patent IT-1913- (2) · Patent FR-1902-317598 (2) · Patent FR-1907-382794 (2) · Patent DE-1912-03-18 Allgemeine Elektricitäts-Gesellschaft‎‎ (2) · Patent FR-1914-472867.19895 (2) · Patent CH-1909-48028 (2) · Patent GB-1913-11207 (2) · Patent BE-1912-07-11 Maiche et Legras (2)
Related to aircraft:
Patent agent:
None (214) · Armengaud jeune (17) · None (16) · Borame et Julien (11) · Brandon freres (10) · Haseltine, Lake & Co. (9) · Munn & Co. (9) · Chassevent (8) · Hippolyte Josse (7) · Boult, Wade & Tennant (7) · Marks & Clerk (7) · G. de Mestral et F. Harlé (6) · Dupont et Elluin (6) · C. Blétry (6) · Lavoix et Mosès (6) · de Bongé (5) · E. Blétry (5) · G. Petiau (5) · J. Bonnet-Thirion (5)
National tech categories:
FR 6.4 (221) · None (81) · FR 6.3 (56) · USPC 244/30 (38) · USPC 244/26 (17) · USPC 244/25 (15) · DE 77h.2 (11) · USPC 244/127 (8) · USPC 244/32 (8) · USPC 244/96 (8) · USPC 244/29 (7) · USPC 244/67 (7) · USPC 244/125 (7) · USPC 244/97 (7) · DE 77 (7) · USPC 24/713.8 (5) · USPC 244/99 (5) · DE 77h (5)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64B1/00 (418) · CPC B64C3/56 (63) · CPC B64B1/40 (22) · CPC B64B1/005 (12) · CPC B64B1/58 (10) · None (5) · CPC Y10T24/3747 (5) · CPC B64F2700/6219 (5) · CPC B64B1/62 (4) · CPC B64B1/50 (3) · CPC B64C31/028 (2) · CPC B64B1/06 (2) · CPC B64B1/60 (2) · CPC B61B5/02 (2) · CPC B64C1/30 (2)
First filing:
Citations from after 1930:
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