Patent US-1838-583

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  • Inventor location (imputed by HistPat): Boston, Suffolk county, MA (FIPSloc=25025)
  • HistPat yr=1804 ; HistPat perceives a connection to Philadelphia

Tech cats:

  • CPC B64C11/006 Paddle wheels
  • CPC F05B2260/74 Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line

Sources


Year filed 1838
Year granted 1838
Office US
Patent number 583
Inventors William Lewis, Thomas John Lewis
Inventor country US
Applicant person William Lewis, Thomas John Lewis
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Improvement in horizontal windmills
English title Improvement in horizontal windmills
Tech fields windmill
Filing date 1838
Full specification filed date
Application number
Grant date January 27, 1838
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Partially
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC F05B2260/74, CPC B64C11/006
Family year 1838
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 45381735
INPADOC family ID
Number of text pages
Number of diagram pages
Number of figures
Number of claims