Drilldown: Patents

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Patents > Related to aircraft: Yes & Number of diagram pages: 4-12 & Number of figures: 12-18

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Office:
Inventors:
Émile Pupin (2) · Hugo Hückel (2) · Frederick James Hargreaves (2)
Inventor country:
Applicant person:
None (6) · Hugo Hückel (2) · Frederick James Hargreaves (2) · Émile Pupin (2)
Applicant is inventor:
Tech fields:
airplane (13) · stability (12) · wings (11) · propulsion (11) · LTA (10) · frame (10) · construction (6) · design (6) · propeller (5) · aerodynamics (5) · navigation (5) · automatic stability (4) · propellers (4) · safety (4)
Full specification filed date:
Granted:
Related to aircraft: (Click arrow to add another value)
National tech categories:
None (15) · FR 6.4 (5) · USPC 244/80 (3) · USPC 244/100R (2) · USPC 244/79 (2) · USPC 244/90R (2) · USPC 244/177 (2) · USPC 244/151R (2)
CPCs:
CPC B64C17/00 (5) · None (4) · CPC B64B1/00 (4) · CPC B64C3/385 (3) · CPC B64C33/02 (2) · CPC B64C2700/6295 (2) · CPC B64C2700/6218 (2) · CPC B64C17/06 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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