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Patents > Year granted: 1920 - 1929 & IPCs: None & First filing: No

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Year granted:
Office:
Inventors:
None (32) · Henry Kleckler (3) · Franz Schneider (2) · Vilmos Zurowec (2) · Serge Vincent De Bolotoff (2) · Oscar Gerhardt (2) · Jakob Haw (2) · Glenn Hammond Curtiss (2) · Harris G Hooper (2) · Alliott Verdon Roe (2)
Inventor country:
Applicant person:
None (38) · Oscar Gerhardt (2) · Vilmos Zurowec (2) · Alliott Verdon Roe (2) · Harris G Hooper (2) · Serge Vincent De Bolotoff (2) · Jakob Haw (2)
Applicant is inventor:
Tech fields:
None (32) · airplane (24) · Design (13) · propellers (13) · frame (11) · construction (10) · wings (8) · airship (7) · Subsystem (6) · motors (6) · aerodynamics (6) · propulsion (5) · biplane (5) · military (5) · LTA (5) · propeller (5) · wing (4) · lift (4) · wood (4)
Full specification filed date:
Application number:
None (27)
Granted:
Publication date:
Supplementary to patent:
None (46)
Related to aircraft:
IPCs: (Click arrow to add another value)
CPCs:
None (55) · CPC B64C2700/6295 (6) · CPC B64C39/00 (6) · CPC B64C3/185 (3) · CPC B64C3/18 (3) · CPC Y10T403/49 (2) · CPC Y02T50/166 (2) · CPC B64F2700/6226 (2) · CPC B64C35/00 (2) · CPC B64C3/385 (2) · CPC B64C2700/6256 (2) · CPC B64C13/00 (2) · CPC B64B1/58 (2) · CPC B64B1/40 (2) · CPC B64C1/26 (2)
First filing: (Click arrow to add another value)
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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