Patents Assigned to Worldstone, Inc.
  • Patent number: 5946967
    Abstract: The monitoring system for a separation reservoir containing at least two mediums, at least one medium floating on another medium includes: means for determining the levels of the upper and lower boundaries of the floating medium; means, responsive to the means for determining, for comparing the upper and lower boundary levels to reference levels in the separation reservoir; and means, responsive to the means for comparing, for indicating the condition of the reservoir.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: September 7, 1999
    Assignee: Worldstone, Inc.
    Inventor: James M. Russell