Patents by Inventor Larry R. Haugen

Larry R. Haugen 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).

  • Patent number: 6230817
    Abstract: A hitch assembly for a work vehicle includes a first draft link adapted to be pivotably coupled to the work vehicle, a second draft link adapted to be pivotably coupled to the work vehicle, a first linear actuator having a first end adapted to be pivotably coupled to the vehicle and a second end pivotably coupled to the first draft link and a linear member having a third end adapted to be pivotably coupled to the work vehicle and a fourth end pivotably coupled to the second draft link. The first and second draft links are pivotable relative to one another. The first linear actuator is actuatable to different lengths to pivot the first draft link relative to the linear member. In one exemplary embodiment, the linear member comprises a second linear actuator.
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: May 15, 2001
    Assignee: Case Corporation
    Inventor: Larry R. Haugen