Patents by Inventor Robert Murray Boatman

Robert Murray Boatman 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).

  • Oil filtration system
    Patent number: 7674387
    Abstract: An oil filtration system includes three separate tanks. A first of these tanks is to receive oil from a wheel motor of the mining or construction vehicle. A second of these tanks is to receive the oil from the first tank after the oil in the first tank has been sufficiently heated so as to remove moisture therefrom. And, a third of these tanks is to receive the oil from the second tank after the oil has been sufficiently filtered so as to remove particles and debris therefrom. The third tank can hold the filtered oil therein until it is ready to be supplied back to the wheel motor.
    Type: Grant
    Filed: December 9, 2004
    Date of Patent: March 9, 2010
    Assignee: Komatsu America Corp.
    Inventors: Paul Wayne Schmidt, Robert Murray Boatman