Patents by Inventor William B. Thorn

William B. Thorn 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).

  • Level control with float actuated switch
    Patent number: 4081638
    Abstract: A float unit having two float portions operates a switching unit to stop the supply of liquid at a selected high level and to reestablish the supply at a selected low level. The switching unit may be a precision snap-acting switch, and the float unit may be integrally formed from glass. In the preferred embodiment, the switch and an upper switch-engaging portion of the float are mounted in a housing which serves as a closure for a container.
    Type: Grant
    Filed: October 26, 1976
    Date of Patent: March 28, 1978
    Assignee: Corning Glass Works
    Inventors: William B. Thorn, Jonathan G. Tobelmann