Drilldown: Patents

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Patents > Inventor country: US & Number of text pages: 1-2 & Number of claims: 3-5 & Number of figures: 5-6

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Office:
Inventors:
David Henderson Blake (3) · John J. Rectenwald (2) · Carey Alan Manker (2) · Spencer Heath (2) · Joseph Herbeck (2)
Inventor country: (Click arrow to add another value)
Applicant person:
None (7) · David Henderson Blake (3) · Spencer Heath (2) · John J. Rectenwald (2) · Carey Alan Manker (2)
Applicant is inventor:
Tech fields:
LTA (19) · frame (17) · propeller (17) · propulsion (16) · None (15) · airplane (14) · navigation (12) · stability (11) · wheels (6) · rudder (6) · hybrid (5) · ornithopter (5) · propellers (5) · landing (4) · marine (4) · flapping (4) · Airship (4) · balloon (4) · airfoil (4)
Full specification filed date:
Application number:
None (40)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (21) · Munn & Co. (13) · Victor J. Evans (5) · C. A. Snow & Co. (3) · Charles Dony (2) · None (2)
National tech categories:
None (33) · USPC 244/64 (5) · USPC 244/70 (4) · USPC 244/80 (4) · USPC 244/6 (3) · USPC 244/60 (3) · FR 6.4 (3) · USPC 244/39 (2) · USPC 244/30 (2) · USPC 416/113 (2) · USPC 244/153R (2) · USPC 244/231 (2) · USPC 244/22 (2) · USPC 244/45R (2)
CPCs:
CPC B64B1/00 (7) · CPC B64C17/00 (7) · CPC B64C39/005 (6) · CPC B64C23/005 (5) · None (4) · CPC B64C11/48 (4) · CPC B64C11/006 (4) · CPC B64B1/40 (4) · CPC B64C2700/6295 (3) · CPC B64C3/00 (3) · CPC Y02E10/72 (3) · CPC B64C35/00 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:
Number of figures:

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