Patents by Inventor George Butkovich

George Butkovich 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).

  • Publication number: 20070169980
    Abstract: An agricultural vehicle drive system includes at least one variable pump configured to pump a driving fluid. The agricultural vehicle drive system also includes a first set of two-speed motors configured to receive the driving fluid from the at least one variable pump and a first gear system configured to be driven by the first set of two-speed motors to drive at least a first wheel of the agricultural vehicle. The agricultural vehicle drive system further includes a second set of two-speed motors configured to receive the driving fluid from the at least one variable pump, and a second gear system configured to be driven by the second set of two-speed motors to drive at least a second wheel of the agricultural vehicle. Furthermore, each motor in the first set of two-speed motors and the second set of two-speed motors is adjustable between discrete displacement settings to drive the agricultural vehicles at a variety of speed ranges.
    Type: Application
    Filed: January 23, 2006
    Publication date: July 26, 2007
    Inventors: Cecil Weeramantry, George Butkovich