Drilldown: Patents

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Patents > Year filed: 1870 - 1879 & Number of diagram pages: 1-2

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Office:
Inventors:
Ernst Georg August Baumgarten (2) · James Hartness (2) · Comte Antoine Apraxine (2)
Inventor country:
Applicant person:
None (10) · Comte Antoine Apraxine (2) · James Hartness (2) · Ernst Georg August Baumgarten (2)
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
LTA (20) · propulsion (13) · propeller (7) · balloon (6) · projectile (6) · navigation (6) · military (6) · marine (6) · car (5) · kite (5) · hand tools (5) · flapping (5) · track (4) · human-powered (4) · fasteners (3) · parachute (3) · None (3) · cargo (3)
Full specification filed date:
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Related to aircraft:
National tech categories:
None (29) · DE 77 (8) · USPC 244/3.23 (3) · USPC 244/153R (3) · USPC 416/194 (2) · USPC 244/73R (2) · USPC 244/22 (2) · USPC 244/94 (2) · USPC 244/119 (2) · USPC 244/97 (2)
CPCs:
CPC B64C27/54 (7) · CPC F16B2200/40 (6) · CPC Y10T403/4677 (6) · CPC F16B2/02 (6) · CPC B64C11/04 (6) · None (5) · CPC B64B1/00 (4) · CPC B64B1/40 (4) · CPC B64C11/00 (4) · CPC A63B71/0672 (3) · CPC B64C11/006 (3) · CPC F01D5/06 (3) · CPC B64C1/1407 (3) · CPC A63H27/08 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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Number of diagram pages:

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