Patent DE-1901-141948

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Schraubenflächen means "screw surfaces" but it's a little hard to tell how they are working in this invention. They appear to be situated above and below the airship; while the propulsion system seems to be oriented mostly along the horizontal axis.

Sources


Year filed 1901
Year granted 1903
Office DE
Patent number 141948
Inventors Emil Edmund Burkhardt
Inventor country DE
Applicant person
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Luftballon mit Schraubenflächen
English title
Tech fields LTA, whole
Filing date 1901-05-09
Full specification filed date
Application number
Grant date
Granted? 1
Publication date 1903-06-27
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories DE 77h
IPCs IPC B64B1/06, CPC B64B1/12
CPCs CPC B64B1/12
Family year 1901
First filing?
Cites these patents
Citations from after 1930
Application ID 9459409
INPADOC family ID
Number of text pages 1
Number of diagram pages 1
Number of figures
Number of claims