Patents Assigned to Expertek
  • Bubble emission volume quantifier
    Patent number: 5337597
    Abstract: The present invention is an apparatus and method for detecting a leak from an object. A bubble collecting tube is used for collecting bubbles emitted from an object and a bubble detecting assembly adjacent the bubble collecting tube is used for detecting a predetermined volume of bubbles collected in the bubble collecting tube to indicate a leak in the object.
    Type: Grant
    Filed: February 24, 1992
    Date of Patent: August 16, 1994
    Assignee: Expertek
    Inventors: Don A. Peake, Brian M. Weymouth