Patents by Inventor Steven C. Uitenbroek

Steven C. Uitenbroek 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).

  • Centrifugal pressure relief valve for a hydraulic clutch
    Patent number: 4261455
    Abstract: A relieve valve in a hydraulically operated clutch for the residual pressure caused by centrifugal force on the hydraulic fluid tending to produce limited engagement of the clutch.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: April 14, 1981
    Assignee: Allis-Chalmers Corporation
    Inventors: Steven C. Uitenbroek, Glen N. Laubenstein