Patent FR-1910-417668

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Patent FR-1910-417668

Nervure or "deformable rib" framework intended to allow alterations to an airforil surface during flight. Could be construed as a wing warping technology.

This patent is succeeded by Patent GB-1911-19550 which contains much of the same material, as well as some more specific details of situations in which the warping might be implemented.

Inventor location: France (Seine)


Year filed 1909
Year granted 1910
Office FR
Patent number 417668
Inventors Paul Zens
Inventor country FR
Applicant person
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Nervure déformable applicable, entre autres objets, dans la construction des surfaces (telles, par exemple, que les surfaces de sustentation des appareils de navigation aérienne), et, en particulier, des surfaces gauchissables ou des surfaces à résultante des poussées élémentaires modifiable, ainsi que dans la construction des hélices et, en particulier, des hélices à pas variable
English title Deformable nervure applicable, among other objects, to the construction of surfaces (such, for example as sustaining surfaces for aerial navigation) and, in particular, to warpable surfaces or elementary propulsive surfaces, and therefore to the construction of propellers, and, in particular, propellers of variable speed
Tech fields propulsion, propeller, airfoil, aerodynamics, airplane, nervure, wing warping, sustentation
Filing date September 6, 1909
Full specification filed date
Application number 417668D
Grant date September 6, 1910
Granted? Yes
Publication date November 19, 1910
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Weissmann et Marx
Assigned to
National tech categories FR 6.4
IPCs IPC B64C3/48
CPCs CPC B64C3/48
Family year 1909
First filing? No
Number of citations
Cited by
Application ID 19236617
INPADOC family ID 5310581
Number of text pages 4
Number of diagram pages 1
Number of figures 9
Number of claims