Patent GB-1911-4734

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"An air propeller wherein the gyroscopic effect is reduced . . . by the propeller blades being connected with the shaft not rigidly but so as to be capable of free movement about an axis arrange at right angles to the driving shaft . . ."

  • Inventor location: Kainzgasse 24, Vienna XVII, Austria


Year filed 1911
Year granted 1911
Office GB
Patent number 4734
Inventors Oskar Heimstaedt
Inventor country AT
Applicant person Oskar Heimstaedt
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Improvements in Aerial Propellers
English title Improvements in aerial propellers
Tech fields aerial propellers, stability
Filing date 1911-02-24
Full specification filed date
Application number 191104734D
Grant date 1911-08-17
Granted? 1
Publication date
Supplementary to patent Patent AT-1910-03-15
Related to aircraft? 1
Serial number
Patent agent Dicker, Pollak & Derriman
Assigned to
National tech categories
IPCs IPC B64C11/04
CPCs CPC B64C11/04
Family year 1910
First filing? 1
Cites these patents
Citations from after 1930
Application ID 23612792
INPADOC family ID 11103884
Number of text pages 2
Number of diagram pages 1
Number of figures 1
Number of claims 2