Drilldown: Patents

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Patents > Applicant firm: None & Applicant is inventor: Yes & Application number : airfoil or None & Related to aircraft : .5 or Yes or rudder & Number of text pages: 1-2 & Number of diagram pages: 2

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Office:
Inventors:
Carl Friedrich Billwiller (2) · Otto Hartung (2) · Edward Smethurst (2)
Inventor country:
Applicant firm: (Click arrow to add another value)
Applicant type:
Applicant is inventor: (Click arrow to add another value)
Tech fields:
LTA (14) · frame (9) · propeller (8) · propulsion (7) · control (7) · navigation (5) · airplane (5) · flapping (5) · safety (3) · propellers (3) · balloon (3) · Airship (3) · Design (3)
Full specification filed date:
Application number: (Click arrow to add another value)
Granted:
Related to aircraft: (Click arrow to add another value)
National tech categories:
None (13) · DE 77 (7) · DE 77h (2) · USPC 2/2.14 (2) · USPC 244/51 (2) · USPC 416/119 (2) · USPC 416/98 (2)
CPCs:
None (8) · CPC B64B1/00 (5) · CPC B64C27/54 (4) · CPC Y02E10/74 (3) · CPC B64C9/00 (2) · CPC F03D3/00 (2) · CPC B64C17/00 (2) · CPC B64C11/48 (2) · CPC B64C11/006 (2) · CPC A63H27/08 (2) · CPC Y02E10/72 (2) · CPC B63H1/04 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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