Patents by Inventor Geoffrey A. LeGrys

Geoffrey A. LeGrys 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).

  • Milling machines
    Patent number: 4674689
    Abstract: A milling machine particularly a disc mill for processing cereal seeds and cereal derivatives including a top disc through a central opening in which the material may be fed, and a bottom disc spaced from the top disc, both discs having mutually opposed profiled surfaces and the distance between the discs and the offset of the axes being adjustable to obtain optimum milling of the materials.
    Type: Grant
    Filed: November 17, 1981
    Date of Patent: June 23, 1987
    Assignee: Ranks Hovis McDougall Ltd.
    Inventors: Robert Wiggins, William R. King, Jeffrey G. Barker, Geoffrey A. LeGrys
  • Reactor system such as a fermentation system
    Patent number: 4256839
    Abstract: An apparatus for effecting mass transfer in fermentation reactions is disclosed. The apparatus includes a cylindrical vessel with two impellers located toward the top and bottom of said vessel, one of which is an axial flow impeller and the other is a radial flow impeller. A draft tube of uniform diameter throughout substantially all of its length having an open bottom is located within and coaxial with said cylindrical vessel. The lower impeller being said radial flow impeller is located below the lower end of the draft tube.
    Type: Grant
    Filed: May 31, 1978
    Date of Patent: March 17, 1981
    Assignee: Ranks Hovis McDougall Limited
    Inventors: Gerald L. Solomons, Geoffrey A. LeGrys