Patent DE-1918-320732

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Cf. Patent DE-1917-311302, also concerning the adjustable propeller.

Sources


Year filed 1918
Year granted 1920
Office DE
Patent number 320732
Inventors Christian Lorenzen
Inventor country GB
Applicant person Christian Lorenzen
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Nabe für verstellbare Propeller
English title Hub for adjustable propeller
Tech fields propeller, subsystem, airplane
Filing date 1918/04/26
Full specification filed date
Application number 320732D
Grant date 1920/04/30
Granted? Yes
Publication date 1920/04/30
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories DE 77h.6
IPCs
CPCs CPC B64C11/04
Family year 1918
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 10610388
INPADOC family ID 10057788
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 2