Patents by Inventor Stephen Derek Emson

Stephen Derek Emson 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).

  • Belt press with rotatable cylinder and adjustable pressure member
    Patent number: 3974026
    Abstract: The belt press is constructed with a rotatable cylinder, a guide belt to confine the material between the belt and cylinder, and a press member for pressing the belt towards the cylinder to remove water from the confined material. The press member has a curved face slightly spaced from the belt as well as a pressure chamber which delivers a pressurized medium, such as water or air, against the belt over the face of the press member.
    Type: Grant
    Filed: February 28, 1974
    Date of Patent: August 10, 1976
    Assignee: Escher Wyss G.m.b.H.
    Inventors: Stephen Derek Emson, Christopher Stephen Norton, James Royston Wilson