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Patents > Tech fields : LTA or construction & IPCs : IPC B64B1/00 or IPC B64C25/00 or IPC B64C39/00

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None (336) · Patent FR-1913-472867 (4) · Patent ES-1906-38692 (3) · Patent FR-1913-467415 (3) · Patent US-1913-1087946 (2) · Patent NO-1891-2589 (2) · Patent IT-1913- (2) · Patent FR-1916-502839 (2) · Patent FR-1914-472867.19895 (2) · Patent FR-1912-441089 (2) · Patent FR-1907-382794 (2) · Patent FR-1902-317598 (2) · Patent FR-1911-419438 (2) · Patent BE-1912-07-11 Maiche et Legras (2)
Related to aircraft:
Patent agent:
None (167) · Armengaud jeune (19) · None (18) · Haseltine, Lake & Co. (11) · Chassevent (10) · Boramé et Julien (10) · Munn & Co. (10) · Hippolyte Josse (8) · Lavoix et Mosès (8) · Weismann et Marx (7) · Marks & Clerk (6) · G. Petiau (6) · Dupont et Elluin (6) · Boult, Wade & Tennant (6) · Brandon frères (6) · de Bongé (5) · J. Bonnet-Thirion (5)
National tech categories:
FR 6.4 (228) · None (59) · FR 6.3 (47) · USPC 244/30 (37) · USPC 244/26 (15) · USPC 244/25 (13) · DE 77h.2 (8) · USPC 244/127 (7) · USPC 244/96 (7) · USPC 244/97 (6) · USPC 244/29 (6) · USPC 244/27 (5) · DE 77 (5) · USPC 244/67 (5) · USPC 244/32 (5) · USPC 244/99 (4) · USPC 244/125 (4) · USPC 244/128 (4) · DE 77h (4)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64B1/00 (344) · CPC B64C39/00 (54) · CPC B64C2700/6295 (47) · CPC B64B1/40 (16) · CPC B64C25/06 (12) · CPC B64F2700/6226 (11) · CPC B64C39/005 (11) · CPC B64B1/58 (9) · CPC B64C25/52 (8) · CPC B64B1/005 (7) · CPC B64C39/08 (7) · CPC B64C25/54 (7) · CPC B64C39/008 (6) · CPC B64C25/62 (5) · CPC B64C25/64 (4) · None (4) · CPC B64B1/62 (4)
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Citations from after 1930:
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