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Patents > IPCs : IPC B64B1/40 or IPC B64C3/38 or IPC B64C33/02

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Tech fields:
airplane (100) · LTA (83) · flapping (64) · wings (62) · design (52) · frame (51) · Propulsion (51) · navigation (49) · stability (48) · None (36) · control (35) · ornithopter (28) · airfoil (25) · construction (24) · balloon (23) · Aerodynamics (21) · lift (19) · rudder (17) · hybrid (16)
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Supplementary to patent:
None (250) · Patent FR-1912-446040 (4) · Patent FR-1912-449167 (3) · Patent FR-1908-392672 (3) · Patent FR-1908-393976 (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent FR-1917-493342 (2) · Patent GB-1914-20119 (2) · Patent FR-1909-420004 (2) · Patent IT-1911-06-13 Guido Castagneris (2) · Patent US-1911-1003530 (2) · Patent FR-1912-457441 (2) · Patent US-1912-1062545 (2)
Related to aircraft:
Patent agent:
None (127) · Armengaud jeune (17) · None (16) · Marks & Clerk (9) · Schwab (9) · Haseltine, Lake & Co. (7) · Hippolyte Josse (6) · E. Blétry (5) · Lavoix et Mosès (5) · Chassevent (5) · Charles Assi (5) · J. Bonnet-Thirion (4) · Munn & Co. (4) · C. Blétry (4)
National tech categories:
FR 6.4 (170) · None (89) · DE 77 (17) · DE 77h.10 (16) · FR 6.3 (14) · USPC 244/22 (14) · USPC 244/72 (9) · USPC 244/48 (8) · DE 77h (7) · DE 77h.5 (7) · USPC 244/127 (6) · USPC 244/90R (4) · USPC 244/96 (3) · USPC 244/33 (3) · USPC 244/31 (2) · USPC 244/28 (2) · AT 77d (2) · USPC 244/119 (2) · FR 6.2 (2) · DE 62b (2)
IPCs: (Click arrow to add another value)
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