Drilldown: Patents

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Patents > Office: US & CPCs : CPC B64C9/00 or None

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Office: (Click arrow to add another value)
Inventor country:
Applicant person:
None (291) · Ira Allen (2) · Lawrence Burst Sperry (2) · Ruter William Springer (2) · John C. Schleicher (2) · James Means (2) · Joel Trout Rice (2)
Applicant is inventor:
Tech fields:
None (215) · LTA (48) · propulsion (44) · airplane (30) · navigation (30) · propeller (20) · military (18) · stability (16) · marine (16) · car (15) · frame (15) · rudder (12) · helicopter (12) · control (9) · parachute (9) · takeoff (8) · projectile (8) · brakes (7) · balloon (7) · cargo (7)
Full specification filed date:
Application number:
None (343) · navigation (7) · stability (4) · rudder (4) · propeller (4) · propulsion (3) · frame (2) · wheels (2)
Granted:
Supplementary to patent:
None (368) · 1 (4) · navigation (2) · 1912-01-23 (2) · Patent US-1916-1208684 (2) · 1911-05-09 (2) · 1911-02-14 (2)
Related to aircraft:
Patent agent:
None (362) · 1 (7) · Munn & Co. (6) · None (5) · Victor J. Evans (2) · Herbert H. Thompson (2) · A. B. Willson & Co. (2)
Assigned to:
None (368) · 1 (29)
National tech categories:
None (148) · USPC 244/51 (32) · USPC 244/139 (15) · USPC 244/147 (14) · USPC 244/142 (12) · USPC 244/3.23 (11) · USPC 244/149 (10) · USPC 244/153R (10) · USPC 244/53A (8) · USPC 89/1.51 (5) · USPC 244/63 (5) · USPC 244/65 (5) · USPC 244/3.1 (5) · USPC 244/60 (4) · USPC 244/3.14 (4) · USPC 244/138R (4)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:

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