Patent GB-1909-12256

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Automatic stability because of propellers naturally angling toward or away from one another when airplane tilts forward or sideways. In Neilson the phrase "gyroscopic control" is used to describe it. Substantively this patent is apparently identical to Patent FR-1909-403429, for which application was made one day prior.

  • Inventor location: 1931 Broadway, New York, NY, USA
  • Inventor occupation: engineer

Patent family descending from Patent FR-1909-403429


Year filed 1909
Year granted 1909
Office GB
Patent number 12256
Inventors Augustus Moore Herring
Inventor country US
Applicant person Augustus Moore Herring
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Gyroscopic propeller angling
English title Gyroscopic propeller angling
Tech fields airplane, lift, stability, pulleys, gyroscope, propellers, construction, design, marine, hybrid, hydroplane, automatic stability
Filing date 1909/05/24
Full specification filed date 1909/05/24
Application number 190912256D
Grant date 1909/11/18
Granted? Yes
Publication date
Supplementary to patent Patent FR-1909-403429
Related to aircraft? Yes
Serial number
Patent agent Hyde & Heide
Assigned to
National tech categories
IPCs IPC B64C39/00
CPCs CPC B64C39/00, CPC B64C2700/6295
Family year 1909
First filing? No
Cites these patents
Citations from after 1930
Application ID 23582705
INPADOC family ID 11077789
Number of text pages 6
Number of diagram pages 1
Number of figures 10
Number of claims 18