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Patents > National tech categories : DE 77 or USPC 244/97 & Citations from after 1930: None

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Office:
Inventors:
Ernst Georg August Baumgarten (6) · F. Gaebert (4) · Carl Alfred Johansson (3) · Ralph Hazlett Upson (3) · Georg Fischer (3) · None (2) · Rudolf Chillingworth (2) · Edward Joel Pennington (2) · Otto Schmidt (2) · Carl Georg Rodeck (2) · Carl Friedrich Billwiller (2) · Federico Capone (2) · Ferdinand von Zeppelin (2) · Raphael Ernst May (2) · Frederick William Brearey (2) · Richard Czygan (2) · Henry Boinet (2) · Hermann Ganswindt (2) · Hermann Israel (2)
Applicant person:
None (67) · Ernst Georg August Baumgarten (6) · Carl Alfred Johansson (3) · Georg Fischer (3) · F. Gaebert (3) · Frederick William Brearey (2) · Ferdinand von Zeppelin (2) · Federico Capone (2) · Raphael Ernst May (2) · Richard Czygan (2) · Carl Georg Rodeck (2) · Carl Friedrich Billwiller (2) · Otto Schmidt (2)
Applicant is inventor:
Tech fields:
LTA (98) · None (39) · balloon (39) · propulsion (35) · navigation (33) · propeller (21) · frame (20) · car (20) · airship (13) · gas (11) · stability (11) · control (10) · captive (9) · dirigible (9) · kite (9) · hydrogen (8) · electricity (7) · ornithopter (6) · rudder (6)
Full specification filed date:
Granted:
Related to aircraft:
National tech categories: (Click arrow to add another value)
IPCs:
None (103) · IPC B64C33/02 (13) · IPC B64B1/00 (12) · IPC B64B1/62 (7) · IPC B64C31/06 (5) · IPC B64B1/40 (5) · IPC B64B1/58 (5) · IPC B64C23/00 (4) · IPC B64B1/06 (3) · IPC B64C9/38 (2) · IPC B64C39/00 (2) · IPC B64C11/00 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 187 results in range #1 to #187.

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