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Patents > National tech categories : FR 6.4 or None & Family year: 1911

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Applicant is inventor:
Tech fields:
None (305) · airplane (218) · stability (141) · design (119) · frame (85) · wings (78) · construction (67) · LTA (54) · automatic stability (54) · aerodynamics (54) · control (49) · propellers (44) · propulsion (40) · landing (38) · chassis (38) · fuselage (35) · wheels (30) · rudder (30) · sustentation (28) · navigation (27)
Full specification filed date:
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Supplementary to patent:
None (588) · Patent GB-1911-29012 (8) · Patent AT-1911-57225 (4) · Patent US-1911-1028409 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1912-452017 (3) · Patent FR-1911-429078 (3) · Patent US-1911-1003530 (3) · Patent FR-1911-446282 (3) · Patent FR-1911-430799 (3) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (3) · Patent FR-1911-431428 (3) · Patent BE-1911-05-15 Georges de Bothezat (3) · Patent FR-1911-434629 (3) · Patent AU-1911-510 (3) · Patent US-1911-1032812 (3)
Related to aircraft:
Patent agent:
None (317) · None (38) · Armengaud jeune (27) · E. Blétry (18) · Dupont et Elluin (17) · Marks & Clerk (16) · Haseltine, Lake & Co. (15) · L. Chassevent (14) · Hippolyte Josse (13) · J. Bonnet-Thirion (12) · Weismann et Marx (11) · Boult, Wade & Tennant (10) · Rigot et Prévost (9) · W. P. Thompson & Co. (8) · Brandon frères (8) · H. Bœttcher fils (8) · G. de Mestral et F. Harlé (7) · Charles Dony (7) · Abel & Imray (7) · Boramé et Julien (7)
National tech categories: (Click arrow to add another value)
IPCs:
None (296) · IPC B64C17/00 (108) · IPC B64C1/00 (91) · IPC B64C39/00 (68) · IPC B64C25/00 (24) · IPC B64C3/00 (22) · IPC B64C11/00 (20) · IPC B64C23/00 (19) · IPC B64C3/38 (19) · IPC B64B1/00 (14) · IPC B64C17/06 (13) · IPC B64C35/00 (13) · IPC B64C3/56 (11) · IPC B64B1/58 (11) · IPC B64D17/00 (9) · IPC B64C33/02 (8) · IPC B64C3/54 (7) · IPC B64B1/40 (6) · IPC B64D1/04 (6) · IPC B64C13/00 (6)
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Citations from after 1930:
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