Drilldown: Patents

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Patents > Tech fields: aerodynamics & National tech categories : BE K or None & Family year: 1900 - 1999

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Office:
Inventors:
Sam Leonard Walkden (6) · Louis Constantin (5) · Robert Kemp (4) · Robert Esnault-Pelterie (3) · Franz Xaver Wels (3) · Henri-Marie Coandă (3)
Inventor country:
Applicant person:
Sam Leonard Walkden (6) · None (5) · Louis Constantin (4) · Franz Xaver Wels (3) · Henri-Marie Coandă (3) · Robert Esnault-Pelterie (3)
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Full specification filed date:
Application number:
None (65)
Granted:
Publication date:
Supplementary to patent:
None (67) · Patent GB-1909-8531 (4) · Patent AT-1912-75092 (3) · Patent FR-1905-353709 (2) · Patent GB-1908-4519 (2) · Patent FR-1909-407737 (2) · Patent GB-1910-6051 (2) · Patent GB-1913-4191 (2) · Patent BE-1910-09-19 Marie Jasogne and Theodor Dobresco (2)
Related to aircraft:
Patent agent:
None (33) · Abel & Imray (9) · Marks & Clerk (6) · W. P. Thompson & Co. (4) · Haseltine, Lake & Co. (4) · Wheatley & Mackenzie (3) · Duvinage (3) · A. Wunderlich & Cie, Ingénieurs-Conseils (3)
National tech categories: (Click arrow to add another value)
CPCs:
None (53) · CPC B64C17/00 (9) · CPC B64C13/00 (5) · CPC B64C39/00 (5) · CPC B64C2700/6295 (4) · CPC B64C2700/6218 (4) · CPC B64C2700/6256 (4) · CPC B64C33/02 (3) · CPC B64C39/10 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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