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Patents > Patent agent : H. Kirchhofer or Haseltine, Lake & Co. or J. Germain

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Office:
Inventors:
Émile Letord (13) · George Henry Challenger (11) · None (10) · Louis Marmonier (10) · Adolphe Clément-Bayard (10) · Harold Arthur Savage (8) · Jean Constantin (4) · Hiram Stevens Maxim (4) · Frederick William Dufwa (4)
Inventor country:
Applicant person:
None (18) · Émile Letord (13) · George Henry Challenger (11) · Louis Marmonier (10) · Adolphe Clément-Bayard (9) · Harold Arthur Savage (8) · Jean Constantin (4) · Frederick William Dufwa (4) · Guido Antoni (3) · Hiram Stevens Maxim (3) · Johann Schütte (3) · Daniel-Alexis-Léopold Grosclaude (3) · Joseph Gachet (3) · Neville Alexander Thomas Nix Feary (3) · Robert Ingersoll Eustis (3) · Seth Hart (3) · Ugo Antoni (3) · Désiré Sival (3) · William John Mellersh-Jackson (3)
Applicant is inventor:
Tech fields:
Airplane (65) · stability (44) · frame (36) · LTA (33) · design (28) · Construction (26) · control (25) · propulsion (23) · None (16) · wings (16) · Aerodynamics (15) · Propellers (15) · Automatic stability (14) · propeller (13) · gyroscope (13) · navigation (13) · Lift (12) · military (11) · equilibrium (11) · rudder (10)
Full specification filed date:
Application number:
None (73) · 510210D (2) · 494571D (2) · 496388D (2) · 510212D (2)
Granted:
Publication date:
Supplementary to patent:
None (114) · Patent FR-1910-427818 (2) · Patent GB-1908-21754 (2) · Patent FR-1905-361723 (2) · Patent GB-1913-2294 (2) · Patent IT-1915-148941 (2) · Patent FR-1913-472867 (2) · Patent FR-1907-382895 (2) · Patent FR-1913-467415 (2) · Patent US-1914-1368226 (2) · Patent FR-1911-436026 (2) · Patent AT-1911-57225 (2)
Related to aircraft:
Patent agent: (Click arrow to add another value)
Assigned to:
IPCs:
None (45) · IPC B64C1/00 (17) · IPC B64C17/00 (16) · IPC B64C39/00 (14) · IPC B64B1/00 (10) · IPC B64C3/00 (8) · IPC B64C17/06 (8) · IPC F41A19/05 (7) · IPC B64C33/02 (7) · IPC B64C27/04 (6) · IPC B64C13/00 (5) · IPC B64C3/18 (5) · IPC B64C3/38 (5) · IPC B64B1/58 (5) · IPC B64C35/00 (3) · IPC B64D33/10 (3) · IPC B64C11/16 (3) · IPC B64C3/26 (3) · IPC B64C23/00 (3)
CPCs:
None (37) · CPC B64C17/00 (15) · CPC B64B1/00 (12) · CPC B64C39/00 (9) · CPC B64C17/06 (9) · CPC B64C2700/6295 (9) · CPC B64C13/00 (8) · CPC B64C2700/6216 (8) · CPC B64C3/00 (8) · CPC B64C33/02 (7) · CPC F41A19/05 (7) · CPC B64C2700/6212 (6) · CPC B64B1/58 (5) · CPC B64C1/00 (5) · CPC B64C3/385 (5)
First filing:
Citations from after 1930:
Number of diagram pages:

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