Patents Assigned to SIS-Tech Applications, L.L.P.
  • Apparatus and method for on-line detection of leaky valves
    Patent number: 6550314
    Abstract: An apparatus and method for simply and economically detecting leaks in a isolation valve disposed in an on-line fluid transport system having at least an upstream pipe and a downstream pipe is provided, the apparatus comprising a isolation valve connected between the upstream pipe and downstream pipe for isolating fluid flow through the transport system; wherein the isolation valve includes at least one upstream seal, one downstream seal, and an inner cavity effectively isolated from the fluid flow by the seals.
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: April 22, 2003
    Assignee: SIS-Tech Applications, L.L.P.
    Inventors: Angela E. Summers, Bryan A. Zachary