Drilldown: Patents

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Patents > Year filed: 1890 - 1899 & Tech fields : Airplane or propeller & Filing date: 1890 - 1899

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Office:
Inventors:
Rudolf Krocker (6) · Stewart Cairncross (5) · Hermann Ganswindt (4) · Richard Czygan (4) · Edward Joel Pennington (3) · Dr. Bernhard Reinhard Beenen (3) · Georg Gabrielii (2) · Gustav Koch (2) · Carl Friedrich Billwiller (2) · John MacHaffie (2)
Applicant person:
None (57) · Rudolf Krocker (4) · Richard Czygan (3) · Georg Gabrielii (2) · Dr. Bernhard Reinhard Beenen (2)
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Granted:
Related to aircraft:
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National tech categories:
None (25) · GB 4 propel & steer (22) · DE 77 (17) · GB 4 without buoyant (9) · GB 4 aëroplanes (7) · FR 6.3 (6) · GB 4 framework (6) · GB 4 with buoyant (5) · GB 4 (4) · DE 77h (4) · USPC 244/30 (4) · CH 115 (4) · GB 4 starting (3) · GB 4 landing (2) · GB 4 motors (2) · IT 8 (2)
First filing:
Citations from after 1930:
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