Patent DE-1902-139493

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An airship but not a balloon, says the first paragraph. Looks like a Ferris wheel but is airborne. Idea of a flywheel (Flugrad) comes up in the claims. Maybe like a helicopter / propeller

To do -- add image from the patent document. It's an unusual idea, worth a special effort.


Year filed 1902
Year granted 1903
Office DE
Patent number 139493
Inventors Georg Wellner
Inventor country DE
Applicant person Georg Wellner
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Dynamische Flugmaschine (Ringflieger)
English title Dynamic flying machine (Ring flyer)
Tech fields helicopter, heavier-than-air, whole
Filing date July 8, 1902
Full specification filed date
Application number
Grant date March 21, 1903
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories DE 77h
Family year 1902
First filing? Yes
Cites these patents
Citations from after 1930
Application ID
Number of text pages 2
Number of diagram pages 1
Number of figures 2
Number of claims 3