Drilldown: Patents

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Patents > Family year: 1890 - 1899 & Number of diagram pages: 2

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Office:
Inventors:
Carl Friedrich Billwiller (2) · Konstantin Danilewsky (2) · William Cowell Sly (2) · August Riedinger (2) · Edward Zarski (2)
Inventor country:
Applicant person:
None (14) · William Cowell Sly (2) · August Riedinger (2) · Carl Friedrich Billwiller (2) · Edward Zarski (2)
Applicant type:
Applicant is inventor:
Tech fields:
LTA (25) · frame (17) · propulsion (17) · navigation (11) · propeller (11) · balloon (9) · car (8) · None (8) · design (8) · stability (7) · flapping (6) · parachute (5) · marine (4) · propellers (4) · kite (4) · rudder (4) · Hybrid (4) · human-powered (4)
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Related to aircraft:
National tech categories:
None (20) · DE 77 (10) · HU V/h (3) · GB 4 propel & steer (3) · GB 4 without buoyant (2) · USPC 416/108 (2) · USPC 416/98 (2) · USPC 180/220 (2) · USPC 244/26 (2) · CH 115 (2) · USPC 416/116 (2) · USPC 244/99 (2) · GB 4 framework (2) · USPC 244/32 (2) · GB 4 aëroplanes (2) · DE 62b (2) · USPC 244/153R (2)
CPCs:
None (20) · CPC B64C11/48 (7) · CPC B64B1/00 (7) · CPC B64C27/54 (6) · CPC B64C11/006 (5) · CPC B63H5/10 (4) · CPC B64B1/40 (3) · CPC A63H27/08 (2) · CPC F03D1/025 (2) · CPC F03D3/00 (2) · CPC Y02E10/72 (2) · CPC Y02E10/74 (2) · CPC B64C33/02 (2)
First filing:
Cites these patents:
Citations from after 1930:
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