Patent BE-1912-250457

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Sources

  • RdBdI Tome 62, 1914, January-August
  • Inventor location: Brussels
  • Patent agent location: Brussels


Patent family descending from Patent BE-1912-250457


Year filed 1912
Year granted
Office BE
Patent number 250457
Inventors Alfred E. Wunderlich
Inventor country BE
Applicant person Alfred E. Wunderlich
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Hélice sustentatrice Aéra
English title Ascension propeller “Aéra”
Tech fields propellers, sustentation, ascension, helicopter, hybrid
Filing date 1912-10-29
Full specification filed date
Application number
Grant date
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent A. Wunderlich & Cie, Ingénieurs-Conseils
Assigned to
National tech categories BE K
IPCs
CPCs
Family year 1912
First filing? 1
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages
Number of diagram pages
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Number of claims