Patent FR-1911-420255

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Design for arch-shaped airplane with flexible propellers and some kind of a system for harnessing the engine exhaust. The action of the propellers is supposed to respond dynamically to the air currents for more efficient movement.

  • Inventor location: rue Daunou, 4 Paris

Sources


Year filed 1910
Year granted 1911
Office FR
Patent number 420255
Inventors Jean-François Ernoult
Inventor country FR
Applicant person
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Perfectionnements aux aéroplanes et autres appareils similaires
English title Airplanes and other similar apparatuses
Tech fields airplane, propeller, aerodynamics
Filing date September 6, 1910
Full specification filed date
Application number 420255D
Grant date 1910-11-18
Granted? Yes
Publication date January 26, 1911
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories FR 6.4
IPCs IPC B64C3/14, IPC B64C3/52
CPCs CPC B64C3/52, CPC B64C2700/6245, CPC B64C3/14, CPC B64C2003/142
Family year 1910
First filing? No
Cites these patents
Citations from after 1930
Application ID 19239148
INPADOC family ID 5199051
Number of text pages 2
Number of diagram pages 1
Number of figures 6
Number of claims 5