Patents by Inventor Steven M. Sundvor

Steven M. Sundvor 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).

  • Mini-excavator with closed-loop hydrostatic travel
    Publication number: 20040060747
    Abstract: A mini-excavator includes a base supported by first and second track assemblies on which the vehicle travels. The base supports an operator support, which includes first and second travel control devices, such as travel levers. Each of first and second closed-loop hydrostatic systems of the mini-excavator are coupled between different ones of the travel control devices and the track assemblies to control the speed and direction of travel of the track assemblies. Each of the closed-loop hydrostatic systems includes a closed-loop travel motor and a closed-loop pump coupled directly to the closed-loop travel motor.
    Type: Application
    Filed: September 26, 2002
    Publication date: April 1, 2004
    Inventors: Michael D. Wetzel, John W. Henline, Russ A. Honeyman, Steven M. Sundvor, Henry J. Weber