Patents by Inventor William Thomas Goodwin

William Thomas Goodwin 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).

  • Liquid blending control system
    Patent number: 4083473
    Abstract: A liquid blending system for providing three grades: (a) a first base grade; (b) a second base grade; and (c) a fixed blend proportion of the two. A blend control lever coupled to a valve is selectively driven by a differential receiving inputs from fluid meters in the base grade lines. Opposed solenoids pull the lever to one extreme or the other for the two base grades.
    Type: Grant
    Filed: October 14, 1976
    Date of Patent: April 11, 1978
    Assignee: Dresser Europe S. A.
    Inventors: William Thomas Goodwin, Christopher William Ovens