Patents by Inventor Clarence Dennis Fox

Clarence Dennis Fox 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).

  • Vacuum generator
    Patent number: 4089622
    Abstract: A vacuum generator of the ejector type includes a control valve subjected to frictional damping forces wherein the frictional damping forces are varied in response to changes in pressure differentials in the device such that the control valve is enabled to move quickly between opened and closed conditions thereby avoiding throttling of the motive fluid.
    Type: Grant
    Filed: June 22, 1976
    Date of Patent: May 16, 1978
    Assignee: Borg-Warner Corporation
    Inventors: John Anton Aubel, Clarence Dennis Fox