Patent AT-1911-56784

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This patent concerns an aircraft propulsion system using pairs of motors and propellers, corresponding with Patent GB-1911-27800. There is probably a filing at the German office. Patent HU-1911-59819 was filed on the very same day.


Year filed 1911
Year granted 1912
Office AT
Patent number 56784
Inventors Boris Loutzkoy
Inventor country DE, Prussia
Applicant person
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Antriebsvorrichtung für Luftfahrzeuge
English title Propulsion apparatus for aircraft
Tech fields propulsion, propeller, motors
Filing date 1911-12-04
Full specification filed date
Application number
Grant date 1912-08-01
Granted? 1
Publication date 1912-12-10
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories AT 77d
IPCs IPC B64D35/06
Family year 1911
First filing?
Cites these patents
Citations from after 1930
Application ID
Number of text pages 2
Number of diagram pages 1
Number of figures 4
Number of claims 6