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Patents > National tech categories: FR 6.4 & Number of claims: None

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Tech fields:
airplane (164) · LTA (157) · frame (78) · construction (60) · navigation (58) · stability (58) · design (57) · propulsion (48) · wings (43) · subsystem (36) · None (32) · lift (32) · Landing (28) · control (26) · Aerodynamics (22) · propeller (22) · propellers (20) · steering (19) · chassis (19) · safety (19)
Full specification filed date:
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Supplementary to patent:
None (369) · Patent FR-1909-420322 (6) · Patent FR-1907-373818 (4) · Patent FR-1836-5429 (3) · Patent ES-1906-38692 (3) · Patent BE-1909-219837 (2) · Patent FR-1908-397675 (2) · Patent FR-1907-382794 (2) · Patent FR-1850-10514 (2) · Patent FR-1910-414004 (2) · Patent FR-1911-419438 (2) · Patent FR-1911-432053 (2) · Patent FR-1916-502839 (2) · Patent FR-1908-392672 (2)
Related to aircraft:
Patent agent:
None (277) · Armengaud jeune (28) · Weismann et Marx (20) · J. Bonnet-Thirion (15) · Gaston Rose (13) · G. de Mestral et F. Harlé (8) · Brandon frères (8) · Boramé et Julien (7) · Weissmann et Marx (7) · Chassevent (6) · Hippolyte Josse (6) · 0 (6) · Dupont et Elluin (5) · Ed. Wolf (5) · Charles Assi (5) · Dom. Casalonga (4) · C. Baumann (4) · Société anonyme Astra Ab [FR] (4) · L. Chassevent (4)
National tech categories: (Click arrow to add another value)
IPCs:
None (93) · IPC B64B1/00 (74) · IPC B64B1/58 (57) · IPC B64C39/00 (29) · IPC B64C17/00 (20) · IPC B64C1/00 (17) · IPC B64C3/00 (15) · IPC B64C25/00 (15) · IPC B64C23/00 (13) · IPC B64C11/00 (12) · IPC B64B1/40 (12) · IPC B64B1/62 (10) · IPC B64C35/00 (10) · IPC B64C33/00 (9) · IPC B64C33/02 (9) · IPC B64C27/04 (6)
CPCs:
CPC B64B1/00 (72) · CPC B64B1/58 (56) · None (48) · CPC B64C39/00 (30) · CPC B64C17/00 (26) · CPC B64C2700/6295 (23) · CPC B64C3/00 (16) · CPC B64C23/005 (15) · CPC B64C33/02 (14) · CPC B64C13/00 (12) · CPC B64B1/40 (12) · CPC B64C25/06 (11) · CPC B64C2700/6274 (11) · CPC B64C33/00 (10) · CPC B64B1/62 (10) · CPC B64C35/00 (10) · CPC B64C11/006 (9) · CPC B64C2700/6235 (8) · CPC B64F2700/6226 (7) · CPC B64C3/385 (7)
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