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Patents > Inventors : William Francis Dugins or None & Number of text pages: 3-4

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Applicant firm:
None (9) · Jacob Lohner & Co. (8) · Luft-Verkehrs-Gesellschaft m.b.H. (7) · Société Anonyme des Établissements Nieuport (7) · Aktiebolaget Aviatorer (4) · Ateliers d'aviation Louis Bréguet (3) · Luftschiffbau Schütte-Lanz (3) · Helix Propeller G.m.b.H. (3) · Société anonyme Astra (3) · Alphonse Tellier et Cie (3) · Société Antoinette (3) · Aéroplanes Morane-Saulnier (3)
Applicant is inventor:
Tech fields:
airplane (50) · frame (27) · Construction (25) · Design (23) · Wings (13) · LTA (13) · None (10) · stability (10) · biplane (9) · subsystem (9) · Airship (9) · chassis (9) · wheels (8) · propulsion (8) · propeller (8) · landing (8) · control (7) · hydroaeroplane (7) · suspension (6) · fuselage (6)
Full specification filed date:
Application number:
None (32)
Granted:
Supplementary to patent:
None (78) · Patent AT-1913-79244 (3) · Patent SE-1906-25199 (2) · Patent SE-1906-23283 (2) · Patent FR-1910-428853 (2) · Patent GB-1910-18683 (2) · Patent FR-1912-451312 (2)
Related to aircraft:
Patent agent:
None (50) · Dupont et Elluin (7) · Gaston Rose (5) · Armengaud jeune (3) · Hippolyte Josse (3) · Louis Tailfer (3) · Haseltine, Lake & Co. (3) · Boult, Wade & Tennant (3) · M. Zerolo (3) · Edward Evans & Co. (3)
IPCs:
None (38) · IPC B64C35/00 (12) · IPC B64C1/00 (9) · IPC B64C3/00 (9) · IPC B64C3/54 (6) · IPC B64C17/00 (6) · IPC B64C39/00 (6) · IPC B64B1/00 (5) · IPC B64C11/36 (4) · IPC B64C25/00 (4) · IPC B64B1/58 (3) · IPC B64C23/00 (3) · IPC B64B1/64 (2) · IPC B64C33/02 (2) · IPC B64C13/00 (2) · IPC B64C3/18 (2) · IPC B64C25/62 (2)
CPCs:
None (31) · CPC B64C35/00 (12) · CPC B64C3/00 (10) · CPC B64C17/00 (8) · CPC B64B1/00 (7) · CPC B64C39/00 (6) · CPC B64C3/54 (6) · CPC B64C2700/6235 (6) · CPC B64F2700/6226 (4) · CPC B64C11/36 (4) · CPC B64C2700/6295 (4) · CPC B64C13/00 (4)
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Citations from after 1930:
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