Patent US-1910-947802

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Lifting and steering propellers. They are paired and rotating in opposite directions. Diagram refers to rheostat.

  • Inventor location: 2937 King St., Berkeley, Alameda county, CA (FIPSloc=6001, imputed by HistPat)
  • Tech class CPC B64D35/06: Transmitting power from power plant to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors the propellers or rotors being counter-rotating

Sources


Year filed 1909
Year granted 1910
Office US
Patent number 947802
Inventors Arthur Crane
Inventor country US
Applicant person Arthur Crane
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Airship
English title Airship
Tech fields navigation, lift, helicopter
Filing date 1909-06-01
Full specification filed date
Application number
Grant date 1910-02-01
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number 499472
Patent agent None
Assigned to
National tech categories USPC 244/65
IPCs IPC B64D35/06
CPCs
Family year 1909
First filing? 1
Cites these patents
Citations from after 1930 0
Application ID
INPADOC family ID
Number of text pages 2
Number of diagram pages 1
Number of figures 2
Number of claims 3