Patent GB-1913-28083

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Goal: strong but light propeller From google patents: "Screw propellers: A hollow screw-propeller blade is formed of thin surface parts welded together and to internal strengthening struts or ribs. The boss [hub] mav be welded to the blades."

  • Tech classifications: CPC B64C11/04: Blade mountings
  • Inventor location: Engineer; of 17 Richmond Gardens, Shepherd's Bush, County of Middlesex

Sources


Year filed 1913
Year granted 1914
Office GB
Patent number 28083
Inventors Arthur Dunbar Wigram
Inventor country GB
Inventor location
Applicant person Arthur Dunbar Wigram
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Improvements in Propellers for Aeroplanes and for other purposes
English title Improvements in Propellers for Aeroplanes and for other purposes
Tech fields aerial propellers
Filing date 1913-12-05
Full specification filed date
Application number 191328083D
Grant date 1914-07-06
Granted? 1
Publication date 1914-12-03
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent Boult, Wade & Tennant
Assigned to
National tech categories
IPCs IPC B64C11/04
CPCs CPC B64C11/04
Family year 1913
First filing? 1
Cites these patents
Citations from after 1930 3
Application ID 23660866
INPADOC family ID 11145284
Number of text pages 4
Number of diagram pages 1
Number of figures 7
Number of claims 12