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Patents > National tech categories : CA 46/61 or DE 77 or FR 5

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Office:
Applicant person:
None (145) · Ernst Georg August Baumgarten (6) · Meller (the younger) (3) · Carl Alfred Johansson (3) · F. Gaebert (3) · Richard Czygan (2) · Modeste-Abel Latouche (2) · Otto Hartung (2) · Otto Schmidt (2) · Carl Georg Rodeck (2) · Carl Friedrich Billwiller (2) · Jean-Louis Le Hir (2) · Ferdinand von Zeppelin (2) · Raphael Ernst May (2) · Federico Capone (2) · Baron de Rovérié de Cabrières‎ (2) · Frederick William Brearey (2) · Jean-Baptiste Guilbert (2) · Georg Fischer (2)
Applicant type:
Applicant is inventor:
Tech fields:
LTA (135) · balloon (65) · navigation (63) · propulsion (54) · propeller (21) · frame (20) · None (19) · car (18) · airship (17) · dirigible (13) · Aerostat (12) · control (12) · stability (10) · Aerial navigation (9) · captive (9) · flapping (9)
Full specification filed date:
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IPCs:
None (223) · 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:
Cites these patents:
Citations from after 1930:
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