Patents by Inventor Robert B. Storey

Robert B. Storey 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).

  • Patent number: 4559863
    Abstract: A spool valve for use in a hydraulic ram includes a piston journalled for axial movement within a cylinder under the influence of a fluid fed under pressure to the cylinder. The spool valve is journalled within a valve block closing an end of the cylinder through which passes a piston rod. The valve is biased from one position to another by means of differential areas of a circumferential groove around the spool and by applying fluid to a chamber at one end of the spool.
    Type: Grant
    Filed: February 14, 1984
    Date of Patent: December 24, 1985
    Assignee: BSP International Foundations Limited
    Inventor: Robert B. Storey