Patents Assigned to Thunder Rose Enterprises, Inc.
  • Gate valve with equalizer port
    Patent number: 9611939
    Abstract: A gate valve is comprised of a gate movable between open and closed positions within a valve body, and gate having defined through it the gate an equalizer port or passageway between opposite sides of the gate with fixed side walls. The equalizer passageway being is opened and closed by an internal gate. The internal gate is in a close fitting engagement with each of a pair of opposing valve seats mounted with the gate and is shiftable by a carrier that does not constrain movement of the internal gate as it sits between the valve seats.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: April 4, 2017
    Assignee: Thunder Rose Enterprises, Inc.
    Inventor: Michael J. Palmer
  • Gate Valve With Equalizer Port
    Publication number: 20130056670
    Abstract: A gate valve is comprised of a gate movable between open and closed positions within a valve body, and gate having defined through it an equalizer port or passageway between opposite sides of the gate with fixed side walls. The equalizer passageway being is opened and closed by an internal gate. The internal gate is in a close fitting engagement with each of a pair of opposing valve seats mounted with the gate and is shiftable by a carrier that does not constrain movement of the internal gate as it sits between the valve seats.
    Type: Application
    Filed: November 2, 2012
    Publication date: March 7, 2013
    Applicant: THUNDER ROSE ENTERPRISES, INC.
    Inventor: Thunder Rose Enterprises, Inc.
  • Gate valve with equalizer port
    Patent number: 8302630
    Abstract: A gate valve has a gate movable between open and closed positions within a valve body, and walls in the gate defining an equalizer port between opposite sides of the gate. The equalizer port is adapted and arranged to be shiftable by actuation of the gate between closed and opened positions and between opened and closed positions.
    Type: Grant
    Filed: April 14, 2008
    Date of Patent: November 6, 2012
    Assignee: Thunder Rose Enterprises, Inc.
    Inventor: Michael J. Palmer