Drilldown: Patents

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Patents > Grant date: 1921 & Related to aircraft: Yes

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Year granted:
Office:
Inventors:
None (14) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (3) · Gabriel Voisin (3) · Maurice-Achille Lécuyer (3) · Hermann Werner (2) · Charles-Édouard-Pierre Gourdou (2) · Richard A. Engler (2) · Pierre-Jean-René Postel-Vinay (2) · Edward Eugene Brown (2) · Pierre Levasseur (2) · Jean-Adolphe Leseurre (2)
Inventor country:
Applicant person:
None (16) · Gabriel Voisin (3) · Maurice-Achille Lécuyer (3) · Hermann Werner (3) · Richard A. Engler (2) · Pierre-Jean-René Postel-Vinay (2) · Jean-Adolphe Leseurre (2) · Edward Eugene Brown (2) · Charles-Édouard-Pierre Gourdou (2) · Pierre Levasseur (2) · Bine & Fils (2)
Applicant is inventor:
Tech fields:
Airplane (29) · design (19) · construction (12) · Aerodynamics (8) · frame (8) · wings (7) · stability (7) · propulsion (7) · propellers (7) · LTA (5) · heavier-than-air (5) · None (5) · longerons (4) · subsystem (4)
Full specification filed date:
Application number:
None (9)
Granted:
Related to aircraft: (Click arrow to add another value)
CPCs:
CPC B64C3/00 (8) · None (7) · CPC B64C23/005 (6) · CPC B64C17/00 (5) · CPC B64C2700/6274 (4) · CPC B64C2700/6233 (4) · CPC B64C3/18 (3) · CPC B64C11/00 (3) · CPC B64C9/02 (3) · CPC B64C2700/6212 (3) · CPC B64C2001/0081 (2) · CPC B64C1/00 (2) · CPC B64C33/00 (2) · CPC B64C35/00 (2) · CPC B64C1/065 (2) · CPC B64C1/064 (2) · CPC B64F2700/6261 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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