Drilldown: Patents

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Patents > Office: US & Application number: None & Patent agent: None

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Office: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
None (835) · propulsion (94) · LTA (93) · military (72) · navigation (57) · propeller (57) · marine (54) · frame (54) · projectile (50) · balloon (37) · kite (36) · stability (35) · airplane (34) · parachute (30) · safety (29) · car (26) · rudder (23) · fun (22) · windmill (18)
Full specification filed date:
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Supplementary to patent:
None (1265) · Patent US-1912-1081794 (2)
Related to aircraft:
Patent agent: (Click arrow to add another value)
Assigned to:
None (1244) · Western Electric Company (2) · Dewey Corporation (2) · Syracuse, NY (2) · Charles Spear (2) · (1/4) (2)
IPCs:
None (1152) · IPC B64B1/00 (20) · IPC B64C31/06 (11) · IPC B64C31/00 (11) · IPC F42B10/00 (9) · IPC A01H5/02 (6) · IPC B64B1/40 (6) · IPC B64C11/00 (5) · IPC B64D1/04 (4) · IPC F42B10/30 (4) · IPC A01H5/00 (4) · IPC B64C39/00 (4) · IPC B64C9/00 (3) · IPC A63H27/00 (3) · IPC B64B1/62 (3) · IPC B64C31/02 (3) · IPC B64F1/06 (3)
First filing:
Cites these patents:
Citations from after 1930:
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