Drilldown: Patents

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Patents > First filing: No & Number of figures: 21-40

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Office:
Inventors:
Alfred John Macy (10) · Vigilio Baldo (4) · Alfred K. R. A. Krakow (3) · Jean-Jacques-Élie Farcot (2) · George Raymond Lawrence (2) · Alphonse Papin (2) · Alfred E. Wunderlich (2) · Didier Rouilly (2) · Gregory Gawlet (2)
Inventor country:
Applicant person:
Alfred John Macy (10) · None (8) · Vigilio Baldo (4) · George Raymond Lawrence (2) · Alfred E. Wunderlich (2) · Gregory Gawlet (2) · Didier Rouilly (2) · Alphonse Papin (2)
Applicant is inventor:
Tech fields:
airplane (22) · stability (14) · frame (13) · propulsion (11) · propellers (9) · design (8) · propeller (6) · Helicopter (6) · Whole (5) · construction (5) · Wings (5) · None (5) · rudder (4) · Safety (4) · automatic stability (4) · aerodynamics (4) · hybrid (4) · HTA (4)
Full specification filed date:
Application number:
None (16) · 25941D (2)
Granted:
Supplementary to patent:
None (17) · Patent US-1913-1203221 (3) · Patent AT-1909-12-31 Vigilio Baldo (2) · Patent US-1913-04-21 George Raymond Lawrence (2) · Patent FR-1902-324521 (2) · Patent GB-1913-20163 (2)
Related to aircraft:
CPCs:
None (13) · CPC B64C17/00 (7) · CPC B64C39/00 (4) · CPC B64C2700/6212 (4) · CPC B64C2700/6295 (3) · CPC B64C2700/6218 (3) · CPC B64C39/003 (2) · CPC B64B1/58 (2) · CPC B64D1/04 (2)
First filing: (Click arrow to add another value)
Cites these patents:
Citations from after 1930:

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