Drilldown: Patents

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Patents > Family year: 1870 - 1879 & Cites these patents: None & Number of diagram pages: 1-2

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Office:
Inventors:
Ernst Georg August Baumgarten (3) · James Hartness (2) · Comte Antoine Apraxine (2)
Inventor country:
Applicant person:
None (9) · Ernst Georg August Baumgarten (3) · James Hartness (2) · Comte Antoine Apraxine (2)
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
LTA (22) · propulsion (15) · navigation (9) · propeller (9) · None (9) · marine (7) · balloon (6) · projectile (6) · military (6) · kite (5) · flapping (5) · hand tools (4) · car (4) · windmills (3) · fasteners (3) · human-powered (3)
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National tech categories:
None (28) · DE 77 (9) · USPC 244/153R (3) · USPC 244/3.23 (3) · USPC 244/73R (3) · USPC 244/97 (2) · USPC 244/119 (2) · USPC 244/94 (2) · USPC 244/22 (2) · USPC 416/194 (2)
CPCs:
CPC B64C27/54 (7) · CPC B64C11/04 (5) · CPC Y10T403/4677 (5) · CPC F16B2/02 (5) · CPC B64B1/40 (5) · CPC F16B2200/40 (5) · CPC B64B1/00 (5) · CPC B64C11/00 (4) · CPC B64C1/1407 (3) · CPC Y02E10/74 (3) · CPC B64C11/006 (3) · CPC A63H27/08 (3) · CPC A63B71/0672 (3) · CPC F01D5/06 (3)
First filing:
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Citations from after 1930:
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