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Patents > National tech categories : DE 77 or USPC 244/131 or USPC 244/22

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Office:
Inventors:
Ernst Georg August Baumgarten (6) · None (4) · F. Gaebert (4) · Frederick William Brearey (4) · Georg Fischer (3) · Carl Alfred Johansson (3)
Applicant person:
None (67) · Ernst Georg August Baumgarten (6) · F. Gaebert (3) · Frederick William Brearey (3) · Georg Fischer (3) · Carl Alfred Johansson (3) · Julius Uherkovich de Uherkócz (2) · Otto Schmidt (2) · Federico Capone (2) · Ferdinand von Zeppelin (2) · MATSON Charles I (2) · Raphael Ernst May (2) · Richard Czygan (2) · Carl Georg Rodeck (2) · Ruter William Springer (2) · Carl Friedrich Billwiller (2) · Bartholomew Connolly (2) · Henry Shepley Booth (2)
Applicant is inventor:
Tech fields:
LTA (85) · None (67) · propulsion (54) · frame (46) · navigation (43) · flapping (35) · balloon (32) · propeller (30) · ornithopter (28) · car (23) · stability (16) · airplane (16) · airship (15) · rudder (14) · control (12) · parachute (11) · hybrid (10)
Full specification filed date:
Application number:
None (169)
Granted:
Related to aircraft:
Patent agent:
None (205) · Munn & Co. (5) · C. A. Snow & Co. (3) · F. N. Gillent (2) · Victor J. Evans (2) · Foster, Freeman, Watson & Coit (2) · None (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (166) · IPC B64C33/02 (22) · IPC B64C33/00 (13) · IPC B64B1/00 (9) · IPC B64B1/58 (5) · IPC B64C31/06 (5) · IPC B64B1/40 (5) · IPC B64C23/00 (4) · IPC B64C39/00 (3) · IPC B64B1/06 (3) · IPC B64C3/00 (2) · IPC B64C11/00 (2) · IPC B64C27/04 (2) · IPC B64B1/62 (2)
CPCs:
CPC B64C33/02 (86) · None (79) · CPC B64B1/00 (17) · CPC B64C33/00 (9) · CPC B64B1/40 (9) · CPC B64C23/005 (6) · CPC B64B1/58 (4) · CPC A63H27/08 (4) · CPC B64C1/26 (4) · CPC B64C2700/6273 (4) · CPC B64B1/30 (3) · CPC B64C27/54 (2) · CPC B64C31/06 (2) · CPC B64C3/385 (2) · CPC B64C27/00 (2) · CPC B64C27/82 (2) · CPC B64C13/00 (2) · CPC B64B1/62 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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