Patents by Inventor Gregory R. Stanfield

Gregory R. Stanfield 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).

  • Fuel injector low mass valve body
    Patent number: 5348229
    Abstract: A composite valve body of a fuel injector comprises a dead air space for improving hot fuel handling performance. This space is cooperatively defined by a circumferential groove in the O.D. of a metal valve body and a nylon sleeve that is pressed onto the metal valve body to enclose the groove.
    Type: Grant
    Filed: April 13, 1993
    Date of Patent: September 20, 1994
    Assignee: Siemens Automotive L.P.
    Inventors: Ross W. Wood, Gregory R. Stanfield