Patents by Inventor Glenn C. Wells

Glenn C. Wells 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).

  • Compact reverse flow check valve assembly for a unit fluid pump-injector
    Patent number: 5287838
    Abstract: An improved reverse flow check valve assembly adapted for a unit fluid pump-injector including a first stop having at least one inlet passage, a second stop, and a movable check. The check includes an internal passage spaced from the inlet passage defined in the first stop.The present embodiment has a configuration which is compact and minimizes wear without compromising performance.
    Type: Grant
    Filed: February 26, 1993
    Date of Patent: February 22, 1994
    Assignee: Caterpillar Inc.
    Inventor: Glenn C. Wells