Patents by Inventor John B. Fleming

John B. Fleming has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Variable speed electric motor transmission
    Patent number: 4260919
    Abstract: A variable speed electrical mechanical transmission with torque sensing, using two sets of sun and planet gears, between D.C. motor and generator sections.
    Type: Grant
    Filed: October 26, 1978
    Date of Patent: April 7, 1981
    Inventor: John B. Fleming