Patents by Inventor Anthony J. Kerstiens

Anthony J. Kerstiens 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).

  • Oil pressure transducer
    Patent number: 4805460
    Abstract: A pressure transducer to measure and indicate fluid pressure levels including a housing in which a diaphragm and piston assembly is movable in response to pressure changes, the piston having a portion extending therefrom to engage a switch contact thereby disengaging the switch when the fluid pressure falls below a desired level.
    Type: Grant
    Filed: November 3, 1987
    Date of Patent: February 21, 1989
    Assignee: Chrysler Motors Corporation
    Inventors: Joseph T. Betterton, Alfred H. Glover, Ranald L. Griffin, Anthony J. Kerstiens
  • Pressure transducer with switch
    Patent number: 4778956
    Abstract: A switching device with a normally open electrical condition which engages contacts in response to a rise in fluid pressure for the purpose of activating an associated electric powered device such as a fuel pump in an automobile when pressures are much greater than zero.
    Type: Grant
    Filed: November 3, 1987
    Date of Patent: October 18, 1988
    Assignee: Chrysler Motors Corporation
    Inventors: Joseph T. Betterton, Alfred H. Glover, Ranald L. Griffin, Anthony J. Kerstiens
  • Conductor structure for transducer switch
    Patent number: 4767897
    Abstract: A switching device operated in response to changes in fluid pressure, including a housing supporting a switch conductor and including a movable terminal support which is insertably attached to the housing, the terminal having a contact surface thereon in sliding engagement with an exposed surface of the conductor to maintain electrical continuity even while there is relative insertive movement between the housing and support member.
    Type: Grant
    Filed: November 3, 1987
    Date of Patent: August 30, 1988
    Assignee: Chrysler Motors Corporation
    Inventors: Joseph T. Betterton, Alfred H. Glover, Ranald L. Griffin, Anthony J. Kerstiens