Patents by Inventor William Flemming

William Flemming 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).

  • Automatic transmission
    Patent number: 5246409
    Abstract: A reverse bypass check valve is removed from the hydraulic control system of Allison MT 653 truck transmission while simultaneously raising the rate of increase of the main hydraulic pressure which occurs upon increasing the radial speed of the oil pump. Premature failure of the transmission will be avoided without reducing transmission performance.
    Type: Grant
    Filed: January 30, 1991
    Date of Patent: September 21, 1993
    Inventors: William Flemming, William Stillwagon