Patents by Inventor Roger Bold

Roger Bold 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: 20120073668
    Abstract: A bladder accumulator comprises a fluid port assembly, for communicating between a main housing of the accumulator and a connection arrangement of the accumulator. An isolation valve arrangement is located within the fluid port assembly and is moveable between an open position for normal operation of the bladder accumulator and a closed position for isolating the bladder accumulator from a hydraulic system, to which is it mounted, wherein, the valve arrangement is fixable in the open position.
    Type: Application
    Filed: May 17, 2010
    Publication date: March 29, 2012
    Applicant: FAWCETT CHRISTIE HYDRAULICS LIMITED
    Inventor: Roger Bold