Drilldown: Patents

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Patents > Inventor country : AT or NL or US or None & Patent agent: None

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Office:
Inventors:
Thomas Osborne Perry (3) · James Means (2) · Spencer Heath (2) · Eleazer Kempshall (2) · Julius Christian Christiansen (2) · John H. Nolan (2)
Inventor country: (Click arrow to add another value)
Applicant person:
Thomas Osborne Perry (3) · None (2) · Spencer Heath (2) · John H. Nolan (2) · Julius Christian Christiansen (2) · Eleazer Kempshall (2) · James Means (2)
Applicant type:
Applicant is inventor:
Tech fields:
Airplane (10) · None (10) · navigation (8) · propulsion (7) · propeller (7) · propellers (5) · frame (5) · design (4) · takeoff (4) · stability (4) · wings (4) · military (3) · fabric (3) · projectile (3) · HTA (3) · helicopter (3) · flapping (3) · aerodynamics (3) · control (3) · wheels (3)
Full specification filed date:
Granted:
Publication date:
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
None (24) · USPC 244/63 (3) · USPC 244/45R (3) · USPC 244/234 (2) · USPC 244/3.23 (2) · USPC 244/50 (2) · USPC 24/713.8 (2)
CPCs:
None (6) · CPC B64C27/54 (5) · CPC B64C2700/6295 (3) · CPC B64B1/00 (3) · CPC B64C11/006 (2) · CPC E05G1/024 (2) · CPC B64C39/005 (2) · CPC B64C3/40 (2) · CPC B64C27/82 (2) · CPC B64C27/10 (2) · CPC B64C13/04 (2) · CPC B64C39/08 (2) · CPC Y10T24/3747 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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