Patent FR-1911-440594

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Helicopter. Propulsion following the principle of the "éolipyle" (i.e. jet?)


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Patent family descending from Patent FR-1911-440594


Year filed 1911
Year granted 1912
Office FR
Patent number 440594
Inventors Alphonse Papin, Didier Rouilly
Inventor country FR
Applicant person Alphonse Papin, Didier Rouilly
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Hélicoptère
English title Helicopter
Tech fields helicopter, propulsion, jet
Filing date 1911-05-06
Full specification filed date
Application number 440594D
Grant date 1912-05-07
Granted? 1
Publication date 1912-07-13
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent Lavoix et Mosès
Assigned to
National tech categories FR 6.4
IPCs IPC B64C27/18
CPCs CPC B64C27/18
Family year 1911
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19259055
INPADOC family ID 5329731
Number of text pages 8
Number of diagram pages 2
Number of figures 21
Number of claims 4