Patents by Inventor Brett Gullory

Brett Gullory 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).

  • Port collar assembly for use in a wellbore
    Patent number: 6513595
    Abstract: The present invention generally provides a port collar assembly comprising a housing and a sleeve disposed therein. The sleeve is moveable between a first or opened and a second or closed position relative to the housing. In the closed position, the port collar prevents communication of the fluid between the exterior and interior of the port collar. In the open position, the port collar permits communication of the fluid between the exterior and interior of the port collar. The assembly includes a locking mechanism for the opened and closed positions comprising ratchet teeth formed on the exterior surface of the sleeve and mating ratchet teeth formed on the interior surface of the housing. The mating ratchet teeth are designed to secure the sleeve in a first position within the housing. A second set of mating ratchet teeth secures the sleeve in a second position.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: February 4, 2003
    Assignee: Weatherford/Lamb, Inc.
    Inventors: Roland R. Freiheit, Brett Gullory, James F. Wilkin
  • Port Collar assembly for use in a wellbore
    Publication number: 20030019630
    Abstract: The present invention generally provides a port collar assembly comprising a housing and a sleeve disposed therein. The sleeve is moveable between a first or opened and a second or closed position relative to the housing. In the closed position, the port collar prevents communication of the fluid between the exterior and interior of the port collar. In the open position, the port collar permits communication of the fluid between the exterior and interior of the port collar. The assembly includes a locking mechanism for the opened and closed positions comprising ratchet teeth formed on the exterior surface of the sleeve and mating ratchet teeth formed on the interior surface of the housing. The mating ratchet teeth are designed to secure the sleeve in a first position within the housing. A second set of mating ratchet teeth secures the sleeve in a second position.
    Type: Application
    Filed: September 23, 2002
    Publication date: January 30, 2003
    Applicant: Weatherford/Lamb.
    Inventors: Roland R. Freiheit, Brett Gullory, James F. Wilkin