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Patents > Year granted: 1920 - 1929 & IPCs : IPC B64C1/00 or IPC B64C25/00 or IPC B64C3/38

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Year granted:
Office:
Inventors:
None (4) · Henry Kleckler (3) · Elmer A. Sperry (2) · Jules Gastambide (2) · Robert Gastambide (2) · Bert Hinkler (2) · Charles F. Willard (2)
Inventor country:
Applicant person:
None (7) · Henry Kleckler (3) · Jules Gastambide (2) · Robert Gastambide (2) · Bert Hinkler (2) · Charles F. Willard (2) · Elmer A. Sperry (2)
Applicant is inventor:
Tech fields:
airplane (12) · None (10) · stability (9) · frame (7) · chassis (7) · fuselage (6) · landing gear (5) · landing (5) · wings (4) · construction (3) · automatic stability (3) · design (3) · wheels (3) · undercarriage (3)
Full specification filed date:
Granted:
Publication date:
Related to aircraft:
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (9) · CPC B64F2700/6226 (9) · CPC B64C2700/6218 (7) · CPC B64C25/06 (7) · CPC B64C1/00 (5) · CPC B64C3/385 (5) · CPC B64C25/62 (4) · CPC B64C2001/0063 (4) · CPC B64C25/64 (3) · CPC B64C17/06 (3) · CPC B64C3/38 (3) · CPC B64C13/02 (2) · CPC Y02T50/145 (2) · CPC B64C2001/0081 (2) · CPC B64C1/12 (2) · CPC B64C25/00 (2) · CPC B64C2700/6216 (2) · CPC B64C1/26 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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