Patents by Inventor Verle W. Dau

Verle W. Dau 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).

  • Pallet truck tiller arm with angle detector for speed select
    Patent number: 7025157
    Abstract: A motorized pallet truck includes an angular indicator on the steering arm mechanism providing an internal controller with an angular position of the steering arm or tiller. The controller applies a brake when the tiller is in either of a substantially vertical or substantially horizontal position, limits the speed of the truck for a predetermined rotational movement from the vertical position, and allows full speed of the vehicle when the tiller arm is pulled into a predefined fast driving arc.
    Type: Grant
    Filed: July 25, 2003
    Date of Patent: April 11, 2006
    Assignee: The Raymond Corporation
    Inventors: Ryan Philip Lindsay, Verle W. Dau, Alan W. Bartels