Patent AT-1912-70629

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  • From a google translation: The present invention relates to air screws . . . The wings are arranged adjustable on their axes [so] that their slope can be changed.
  • First source:
  • Lawrence, Douglas county, Kansas


Year filed 1912
Year granted 1915
Office AT
Patent number 70629
Inventors Harry Houlette Elliott
Inventor country
Applicant person Harry Houlette Elliott
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Luftschraube
English title Propeller
Tech fields propeller
Filing date 1912-06-21
Full specification filed date
Application number
Grant date 1915-12-10
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories AT 77d
IPCs IPC B64C11/32, IPC B64C27/605
Family year 1912
First filing? 1
Cites these patents
Citations from after 1930
Application ID
Number of text pages 1
Number of diagram pages 1
Number of figures 6
Number of claims 1