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Patents > IPCs : IPC B64C1/00 or IPC B64C33/00 & Number of claims: 6-90

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Office:
Inventors:
Adolf Sprater (4) · Frederick James Hargreaves (3) · Edmund Sparmann (3) · Robert Esnault-Pelterie (3) · None (2) · Sam Leonard Walkden (2) · Jules Védrines (2) · Lin-Marius Mannent (2) · Louis-Léon Astoux (2) · Franz Xaver Wels (2) · Melville W. Mix (2) · François Dergint (2) · Paul Robin (2) · Richard A. Engler (2) · Édouard Tarron (2) · Alfred John Macy (2)
Inventor country:
Applicant person:
Adolf Sprater (4) · None (3) · Frederick James Hargreaves (3) · Edmund Sparmann (3) · Robert Esnault-Pelterie (3) · Sam Leonard Walkden (2) · Jules Védrines (2) · Lin-Marius Mannent (2) · Franz Xaver Wels (2) · Louis-Léon Astoux (2) · Melville W. Mix (2) · François Dergint (2) · Paul Robin (2) · Richard A. Engler (2) · Édouard Tarron (2) · Alfred John Macy (2)
Applicant is inventor:
Tech fields:
stability (56) · airplane (41) · automatic stability (22) · None (16) · design (16) · wings (15) · frame (13) · fuselage (12) · flapping (12) · aerodynamics (11) · ornithopter (10) · construction (10) · propulsion (9) · navigation (9) · gyroscope (7)
Full specification filed date:
Application number:
None (2)
Granted:
Supplementary to patent:
None (82) · Patent AT-1912-75092 (2) · Patent FR-1913-465942 (2)
Related to aircraft:
Patent agent:
None (17) · None (7) · Armengaud jeune (5) · Wheatley & Mackenzie (4) · Charles Dony (3) · Lewis William Goold (3) · Marks & Clerk (3) · E. Blétry (3) · Munn & Co. (3) · Haseltine, Lake & Co. (3) · A. M. & William Clark (2) · Hippolyte Josse (2) · Hyde & Heide (2) · Mewburn, Ellis & Pryor (2) · N. S. Amstutz (2) · Boult, Wade & Tennant (2) · Abel & Imray (2)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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