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Patents > Tech fields : propeller or tail fin & Family year: 1800 - 1899

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Office:
Inventors:
Eugene F. Falconnet (7) · Rudolf Krocker (5) · Stewart Cairncross (4) · Albert Livingstone Blackman (3) · Richard Czygan (3) · Frederick William Zimer (2) · Georg Gabrielii (2) · Edward Joel Pennington (2) · Hugh Bell (2)
Inventor country:
Applicant person:
None (55) · Rudolf Krocker (4) · Eugene F. Falconnet (4) · Albert Livingstone Blackman (3) · Richard Czygan (3) · Hugh Bell (2) · Frederick William Zimer (2) · William Robert Lake (2) · Georg Gabrielii (2) · Thomas Moy (2)
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Granted:
Related to aircraft:
National tech categories:
None (44) · DE 77 (13) · GB 4 propel & steer (8) · USPC 244/30 (8) · GB 4 without buoyant (6) · GB 4 with buoyant (6) · FR 6.3 (5) · CA 244/24 (4) · USPC 244/28 (4) · GB 4 aëroplanes (4) · GB 4 framework (4) · USPC 244/96 (3) · USPC 244/64 (3) · USPC 244/26 (3) · GB 4 starting (3) · USPC 244/73R (3) · USPC 244/51 (3)
First filing:
Citations from after 1930:
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