Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Related to aircraft: Yes & Number of claims: 4-20

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Office:
Inventors:
None (16) · Robert Kemp (4) · Lawrence Burst Sperry (3) · John P. Tarbox (3) · Edward Eugene Brown (2) · Richard A. Engler (2) · Albert Francis Zahm (2)
Inventor country:
Applicant person:
None (25) · Lawrence Burst Sperry (3) · Robert Kemp (2) · Richard A. Engler (2) · Edward Eugene Brown (2)
Applicant is inventor:
Tech fields:
airplane (32) · design (21) · frame (15) · wings (14) · construction (13) · propellers (13) · aerodynamics (8) · propulsion (8) · biplane (7) · fuselage (6) · landing (6) · sustentation (5) · helicopter (5) · propeller (4) · motors (4) · military (4) · chassis (4) · hybrid (4)
Full specification filed date:
Application number:
None (13)
Granted:
Publication date:
Related to aircraft: (Click arrow to add another value)
CPCs:
None (17) · CPC B64C3/00 (10) · CPC B64C2700/6233 (7) · CPC B64C23/005 (4) · CPC B64C3/54 (3) · CPC B64C1/00 (3) · CPC B64C2700/6235 (3) · CPC B64C33/00 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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