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

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Office:
Inventors:
Eugene F. Falconnet (7) · Firmin Bousson (7) · Rudolf Krocker (5) · Konstantin Danilewsky (4) · Stewart Cairncross (4) · Blaise Bontems (3) · Richard Czygan (3) · Albert Livingstone Blackman (3) · Nicholas H. Borgfeldt (2) · Frederick William Zimer (2) · Georg Gabrielii (2) · Burr Frank Barnes (2) · Edward Joel Pennington (2) · Watson F. Quinby (2) · Hugh Bell (2)
Inventor country:
Applicant person:
None (76) · Firmin Bousson (6) · Rudolf Krocker (4) · Eugene F. Falconnet (4) · Blaise Bontems (3) · Richard Czygan (3) · Albert Livingstone Blackman (3) · К. Данилевский (2) · Nicholas H. Borgfeldt (2) · Frederick William Zimer (2) · Thomas Moy (2) · Georg Gabrielii (2) · Hugh Bell (2) · Watson F. Quinby (2) · William Robert Lake (2)
Applicant firm:
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Full specification filed date:
Granted:
Related to aircraft:
Patent agent:
None (119) · Munn & Co. (11) · None (5) · Haseltine, Lake & Co. (3) · 1 (2) · Franklin H. Hough (2) · Church & Church (2)
National tech categories:
None (54) · DE 77 (17) · USPC 244/28 (12) · GB 4 propel & steer (11) · USPC 244/64 (10) · GB 4 without buoyant (8) · GB 4 with buoyant (7) · USPC 244/30 (7) · FR 6.3 (7) · GB 4 (5) · GB 4 framework (5) · GB 4 aëroplanes (5) · CA 244/24 (4) · FR 5 (4)
CPCs:
None (97) · CPC B64B1/00 (28) · CPC B64C11/006 (11) · CPC B64C33/02 (7) · CPC B64C31/04 (7) · CPC B64C11/48 (6) · CPC B64C39/005 (5) · CPC B63H1/04 (4) · CPC B63H1/12 (4) · CPC B64C9/00 (3) · CPC B64B1/40 (3) · CPC F05B2260/74 (2) · CPC B64C23/005 (2) · CPC B64C27/54 (2) · CPC B64C11/36 (2) · CPC B64B1/58 (2) · CPC B63H5/10 (2) · CPC B64C11/001 (2)
First filing:
Citations from after 1930:
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