Drilldown: Patents

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Patents > Number of claims: 7 & Number of diagram pages: 2-20 & Number of figures: 6-8

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Office:
Inventors:
William Andrew Hutson (3) · None (2) · Louis-Adolphe Hayot (2) · Frederick Sigrist (2)
Inventor country:
Applicant person:
None (9) · Frederick Sigrist (2)
Applicant is inventor:
Tech fields:
airplane (17) · LTA (11) · frame (11) · stability (8) · None (7) · control (6) · propulsion (6) · safety (5) · propellers (5) · propeller (5) · rudder (4) · military (4) · helicopter (4) · Fuselage (4) · flapping (4) · wings (4) · balloon (4) · aerodynamics (4) · Airship (4)
Full specification filed date:
Application number:
None (16)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (8) · Brewer & Son (4) · Marks & Clerk (2) · J. D. Roots & Co. (2) · None (2)
National tech categories:
None (28) · FR 6.4 (7) · USPC 244/139 (2) · USPC 244/99 (2)
CPCs:
None (10) · CPC B64C2700/6295 (5) · CPC B64C39/00 (5) · CPC B64C33/02 (4) · CPC B64C3/385 (4) · CPC B64C17/00 (3) · CPC B64C13/00 (3) · CPC B64B1/00 (3) · CPC B64C35/00 (2) · CPC B64B1/40 (2) · CPC B64C23/005 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:
Number of figures:

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