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Patents > National tech categories : FR 6.4 or USPC 244/179 & Number of claims: 9-11

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Office:
Inventors:
Jean-Jacques-Élie Farcot (2) · Franz Xaver Wels (2) · Louis-Étienne Roze (2)
Inventor country:
Applicant person:
None (3) · Franz Xaver Wels (2) · Louis-Étienne Roze (2)
Applicant is inventor:
Tech fields:
None (19) · Airplane (14) · stability (11) · wings (7) · LTA (7) · frame (6) · propellers (5) · propulsion (5) · automatic stability (5) · Design (4) · hybrid (4) · Construction (3) · control (3) · marine (2) · equilibrium (2) · balloon (2) · propeller (2)
Full specification filed date:
Application number:
None (3)
Granted:
Related to aircraft:
National tech categories: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (10) · CPC B64C39/00 (8) · CPC B64B1/00 (5) · CPC B64C2700/6218 (4) · CPC B64C2700/6212 (3) · CPC B64C1/00 (3) · CPC B64C2700/6295 (3) · CPC B64C17/06 (3) · CPC B64C2700/6214 (2) · CPC B64C29/00 (2) · CPC B64C39/08 (2) · CPC B64C2700/6256 (2) · CPC B64C13/00 (2) · CPC B64C3/38 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of claims:
Number of diagram pages:

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