Patents by Inventor Rick Yohman

Rick Yohman 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).

  • Transfer case controller test fixture
    Patent number: 6189376
    Abstract: A text fixture for testing a transfer case electronic control unit according to this invention comprises an eletro-mechanical shift mechanism having electronic inputs and outputs for coupling to electronic inputs and outputs output of the transfer case electronic control unit and an output shaft coupled to a transfer case load simulator. In a preferred embodiment, the transfer case load simulator comprises first and second oppositely wound torsion springs having identical torque characteristics coupled in opposed relation to the output shaft of the eletro-mechanical shift mechanism.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: February 20, 2001
    Assignee: Chrysler Corporation
    Inventors: Karl W. Shock, Rick Yohman, Chris Martin, Joe R. Morton