Patents by Inventor Ronald D. Ramsay

Ronald D. Ramsay 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).

  • Modular hydraulic power system
    Patent number: 4824334
    Abstract: A compact, yet versatile modular hydraulic power system is comprised of a center structure with an annular frame, a pump adapter for mounting a pump on the frame and a motor adapter for mounting a motor to the frame. The center structure is formed with a valve mount containing a manifold and a modular filter and relief valve units can be easily attached to this valve mount without requiring any external lines.
    Type: Grant
    Filed: November 2, 1987
    Date of Patent: April 25, 1989
    Inventor: Ronald D. Ramsay