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Patents > IPCs : IPC B64C17/00 or IPC B64C35/00 & Number of text pages: 2-3

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stability (213) · Airplane (186) · automatic stability (93) · design (86) · None (49) · frame (47) · aerodynamics (46) · Control (44) · hydroaeroplane (38) · Hydroplane (35) · wings (34) · equilibrium (31) · construction (28) · landing (25) · subsystem (25) · rudder (20) · fuselage (16) · hybrid (16) · wheels (15) · marine (15)
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None (231) · Patent GB-1911-29012 (4) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1910-415470 (3) · Patent FR-1910-426487 (3) · Patent FR-1912-442419 (3) · Patent FR-1912-452017 (3) · Patent BE-1912-02-27 Caudron (3) · Patent DE-1911-11-16 Otto Albin Budig (3)
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None (66) · Armengaud jeune (29) · None (17) · E. Blétry (12) · J. Bonnet-Thirion (10) · Charles Dony (9) · Abel & Imray (9) · Brandon frères (8) · Weismann et Marx (8) · Herbert Haddan & Co. (8) · Louis Tailfer (8) · Brewer & Son (7) · Haseltine, Lake & Co. (7) · Lavoix et Moses (7) · J. Bonnet-Thirion et Breton (6) · L. Chassevent (6) · Boult, Wade & Tennant (6) · P. Follin (6) · Marks & Clerk (6)
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