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Patents > Assigned to: None & National tech categories : AU 90.5 or DE 77

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Office:
Inventors:
Ernst Georg August Baumgarten (6) · F. Gaebert (4) · Thomas Sopwith (4) · Carl Alfred Johansson (3)
Applicant person:
None (65) · Ernst Georg August Baumgarten (6) · Thomas Sopwith (4) · Carl Alfred Johansson (3) · F. Gaebert (3) · Richard Czygan (2) · Carl Georg Rodeck (2) · Federico Capone (2) · Ferdinand von Zeppelin (2) · Frederick William Brearey (2) · Carl Friedrich Billwiller (2) · Georg Fischer (2) · Otto Schmidt (2) · Otto Hartung (2) · Raphael Ernst May (2)
Applicant is inventor:
Tech fields:
LTA (86) · propulsion (46) · balloon (31) · navigation (30) · frame (25) · propeller (24) · car (19) · airplane (16) · airship (13) · control (13) · stability (11) · None (10) · captive (9) · marine (9) · dirigible (9) · ornithopter (8) · kite (8)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (138) · Patent NO-1915-12-15 Carl Alfred Johansson (2)
Related to aircraft:
Assigned to: (Click arrow to add another value)
National tech categories: (Click arrow to add another value)
IPCs:
None (109) · IPC B64C33/02 (12) · IPC B64B1/00 (11) · IPC B64B1/58 (8) · IPC B64B1/40 (5) · IPC B64C31/06 (4) · IPC B64C23/00 (4) · IPC B64B1/06 (3) · IPC B64C27/04 (2) · IPC B64C11/00 (2) · IPC B64B1/62 (2) · IPC B64B1/30 (2) · IPC B64C39/00 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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