Patent US-1911-1040695

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"This invention relates to propelling means for aeroplanes and the like . . ." Its objectives:

  • "facilitating the propulsion of a machine by reducing the resistance upon the air by the propelling blades."
  • [and] "a device for turning the blades a definite amount to allow the same to easily cut the air on their upward stroke."
  • The claim paragraph refers to a propeller shaft, sleeve, disks, apertures, and blades
  • Tech class CPC B64C27/54: Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
  • Inventor location: Port Arthur, Jefferson county, TX (FIPSloc=48245, imputed by HistPat)

Sources


Year filed 1911
Year granted 1912
Office US
Patent number 1040695
Inventors Julius Koiw
Inventor country US
Applicant person Julius Koiw
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Air-Craft Propeller
English title Air-Craft Propeller
Tech fields aerial propeller
Filing date 1911-09-07
Full specification filed date
Application number 1911648036
Grant date 1912-10-08
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number 648036
Patent agent E. G. Vrooman
Assigned to
National tech categories USPC 416/112
IPCs
CPCs CPC B64C27/54
Family year 1911
First filing? 1
Cites these patents
Citations from after 1930 1
Application ID 47541429
INPADOC family ID 43975692
Number of text pages 2
Number of diagram pages 3
Number of figures 5
Number of claims 1