Drilldown: Patents

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Patents > Office : BE or SU or US or None & Supplementary to patent: None & Related to aircraft : 0.5 or Other & CPCs : CPC B60T1/06 or CPC B64B1/40 & First filing: Yes

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Office: (Click arrow to add another value)
Inventors:
Ralph Hazlett Upson (3) · John J. Rectenwald (2) · Amos A. Wyckoff (2) · James Hartness (2) · Frederick Brackett (2)
Inventor country:
Applicant person:
None (8) · James Hartness (2) · John J. Rectenwald (2) · Frederick Brackett (2)
Applicant is inventor:
Tech fields:
LTA (38) · balloon (23) · None (14) · safety (10) · navigation (9) · stability (8) · parachute (8) · frame (8) · car (7) · rudder (6) · kite (5) · propeller (5) · marine (3) · balloons (3) · fun (3) · airfoil (3) · takeoff (3)
Full specification filed date:
Application number:
None (14)
Granted:
Publication date:
Supplementary to patent: (Click arrow to add another value)
Related to aircraft: (Click arrow to add another value)
National tech categories:
USPC 244/96 (11) · USPC 244/127 (10) · USPC 244/32 (9) · None (7) · USPC 244/33 (7) · USPC 244/31 (6) · USPC 244/99 (4) · USPC 244/94 (2) · USPC 244/97 (2) · USPC 244/128 (2)
CPCs: (Click arrow to add another value)
First filing: (Click arrow to add another value)
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 62 results in range #1 to #62.

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