Patents by Inventor Richard Butch Brown

Richard Butch Brown 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).

  • Hydraulic bushing
    Patent number: 8038132
    Abstract: A hydraulic bushing assembly includes an inner tube, an elastomeric bushing disposed around the inner tube, an insert disposed around the elastomeric bushing and an outer tube disposed around the insert. The elastomeric bushing and the insert define a pair of chambers which are connected by a passageway defined by the insert. A pair of intermediate tubes are disposed in the elastomeric bushing at opposite axial ends of the insert.
    Type: Grant
    Filed: August 21, 2006
    Date of Patent: October 18, 2011
    Assignee: The Pullman Company
    Inventors: Jay Thornhill, Robert Goudie, Richard Butch Brown, Mark Morman, Bill Burk, Hal Henry, Daniel Wittler, Robert Ferguson, David Stewart, Andrew Franzen, David Baker