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Patents > Application number: None & CPCs : CPC B64B1/40 or CPC B64C13/00 or CPC B64C35/00

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Office:
Inventors:
None (6) · Anton Flettner (3) · Comte Antoine Apraxine (2) · Gustav Pieske (2) · James Hartness (2)
Inventor country:
Applicant person:
None (22) · Anton Flettner (3) · James Hartness (2) · Comte Antoine Apraxine (2)
Applicant is inventor:
Tech fields:
LTA (39) · balloon (21) · navigation (17) · airplane (16) · frame (13) · control (12) · stability (11) · rudder (11) · marine (11) · car (9) · hydroaeroplane (9) · hybrid (8) · safety (8) · suspension (6) · steering (6) · None (6) · design (5) · propeller (5)
Full specification filed date:
Application number: (Click arrow to add another value)
Granted:
Related to aircraft:
National tech categories:
None (16) · DE 77 (10) · FR 6.4 (9) · DE 77h.5 (8) · DE 77h (6) · DE 77h.9 (5) · USPC 244/127 (5) · USPC 244/31 (4) · USPC 244/33 (4) · USPC 244/96 (4) · USPC 244/32 (3) · DE 77h.15 (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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