Patents by Inventor Brent Culbertson

Brent 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).

  • Torsionally-biased, shock-absorbing fifth wheel hitch
    Patent number: 7753391
    Abstract: A torsionally-biased, shock-absorbing fifth wheel hitch includes a first mounting mechanism removably and non-rotatably mounting a lower frame portion thereof to the bed of a towing vehicle; an upper frame portion; a second mounting mechanism with a pair of opposing resilient members pivotally mounting the upper frame portion about a horizontally-oriented transverse hitch axis relative to the lower frame portion, the second mounting mechanism having an inactivated configuration wherein the upper frame member is not pivotally biased about the transverse hitch axis relative to the lower frame member and an activated configuration wherein the upper frame member is pivotally biased about the transverse hitch axis relative to the lower frame member; and a fifth wheel hitch mechanism mounted to the upper frame portion.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: July 13, 2010
    Assignee: Automatic Equipment Manufacturing Company
    Inventors: Jay Hesse, Steven R. Lewis, Brent Culbertson