Patents by Inventor Timothy J. Culbertson

Timothy J. Culbertson 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).

  • Active impact column
    Patent number: 5460421
    Abstract: A dual resistance cylinder responsive to the energies present in low speed collisions to return the bumper without damage and responsive to the energies present in high speed collisions to offer greater protection to the vehicle passengers. The cylinder employs members having telescoping side walls which offer a first (low) resistance against compression and, when locked together, offer a second (high) resistance against compression. The side walls are locked together by way of an electronic solenoid.
    Type: Grant
    Filed: May 31, 1994
    Date of Patent: October 24, 1995
    Assignee: Chrysler Corporation
    Inventor: Timothy J. Culbertson