Patents by Inventor Charles E. Hemmings

Charles E. Hemmings 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).

  • Method and apparatus for the measurement and control of viscosity of slurries
    Patent number: 4151744
    Abstract: A new and improved method and apparatus for the measurement and control of the bulk properties of slurries is provided. The bulk properties are measured in the slurry while it is flowing downwards at a rate greater than the settling velocity of the discontinuous phase of the slurry.
    Type: Grant
    Filed: January 5, 1978
    Date of Patent: May 1, 1979
    Assignee: M.D. Research Company Pty. Limited
    Inventor: Charles E. Hemmings