Drilldown: Patents

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Patents > Year filed: 1870 - 1879 & Granted: Yes & Number of claims: 2-5

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Office:
Inventors:
Watson F. Quinby (2) · Georg Fischer (2) · Comte Antoine Apraxine (2) · James J. Pennington (2)
Inventor country:
Applicant person:
None (6) · Georg Fischer (2) · Watson F. Quinby (2) · Comte Antoine Apraxine (2)
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Applicant is inventor:
Tech fields:
LTA (14) · propulsion (12) · propeller (8) · flapping (5) · frame (5) · navigation (4) · Human-powered (4) · projectile (3) · military (3) · marine (3) · None (3) · airplane (3) · balloon (3) · windmills (2) · hybrid (2) · marine propulsion (2) · car (2) · balloons (2)
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Related to aircraft:
National tech categories:
None (12) · DE 77 (4) · USPC 244/64 (2) · USPC 244/3.23 (2) · USPC 244/28 (2)
CPCs:
CPC B64B1/00 (4) · CPC B64C27/54 (4) · CPC B64B1/40 (3) · CPC Y10T403/4677 (2) · CPC B64C11/04 (2) · CPC B64C39/005 (2) · CPC B64C33/02 (2) · CPC B64C33/00 (2) · CPC B64C27/322 (2) · CPC B64C11/346 (2) · CPC F16B2/02 (2) · CPC F16B2200/40 (2) · CPC A63B71/0672 (2)
First filing:
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Citations from after 1930:
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