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Patents > IPCs : IPC B64C13/00 or IPC B64C3/38 or IPC B64C31/024

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Tech fields:
airplane (143) · control (106) · None (77) · stability (51) · Wings (49) · design (43) · Steering (42) · Frame (39) · navigation (31) · rudder (30) · aerodynamics (27) · lift (23) · construction (21) · subsystem (18) · airfoil (14) · Sustentation (13) · biplane (11) · HTA (11) · fuselage (11)
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Supplementary to patent:
None (243) · Patent FR-1908-392672 (4) · Patent FR-1912-449167 (3) · Patent BE-1912-02-07-Gramaticesco (3) · Patent SE-1917-46288 (2) · Patent FR-1912-457441 (2) · Patent FR-1908-393976 (2) · Patent FR-1917-493342 (2) · Patent GB-1911-04-28 Belton Tattnall Hamilton (2) · Patent DE-1910-241266 (2) · Patent DE-1909-244106 (2) · Patent IT-1911-06-13 Guido Castagneris (2) · Patent DE-1918-388537 (2) · Patent US-1912-1077892 (2) · Patent BE-1912-04-05 (2) · Patent US-1913-1118124 (2) · Patent US-1912-1062545 (2)
Related to aircraft:
Patent agent:
None (70) · Armengaud jeune (19) · None (14) · Marks & Clerk (10) · Weismann et Marx (9) · Haseltine, Lake & Co. (8) · Brewer & Son (8) · E. Blétry (6) · J. S. Withers & Spooner (5) · Boult, Wade & Tennant (5) · Brierley & Howard (4) · L. Chassevent (4) · Schwab (4) · Émile Bert (4) · Munn & Co. (4) · Y. Rabilloud et fils (4)
National tech categories:
FR 6.4 (151) · None (128) · DE 77h.5 (23) · USPC 244/234 (9) · USPC 244/233 (8) · USPC 244/48 (7) · USPC 244/90R (6) · USPC 244/231 (5) · DE 62b.15 (3) · USPC 244/88 (3) · USPC 244/225 (3) · USPC 244/87 (3) · AT 77d (3) · USPC 244/237 (3)
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