Patents by Inventor Laren J. Winkel

Laren J. Winkel 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).

  • Shutoff seal assemblies and related valve assemblies and methods
    Patent number: 11940053
    Abstract: A valve assembly includes a valve body having a seat-retainer chamber with a floating seat ring disposed adjacent an inner sidewall of the seat-retainer chamber. The floating seat ring is configured to contact a first portion of a plug head at a single annular location prior to a second portion of the plug head contacting a valve primary seat during a closing stroke of the plug head. A static seal is located radially between the floating seat ring and the inner sidewall of the seat-retainer chamber.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: March 26, 2024
    Assignee: Flowserve Pte. Ltd.
    Inventor: Laren J. Winkel
  • SHUTOFF SEAL ASSEMBLIES AND RELATED VALVE ASSEMBLIES AND METHODS
    Publication number: 20220403939
    Abstract: A valve assembly includes a valve body having a seat-retainer chamber with a floating seat ring disposed adjacent an inner sidewall of the seat-retainer chamber. The floating seat ring is configured to contact a first portion of a plug head at a single annular location prior to a second portion of the plug head contacting a valve primary seat during a closing stroke of the plug head. A static seal is located radially between the floating seat ring and the inner sidewall of the seat-retainer chamber.
    Type: Application
    Filed: August 25, 2022
    Publication date: December 22, 2022
    Inventor: Laren J. Winkel
  • Shutoff seal for high temperature pressure balance valve and related methods
    Patent number: 11428328
    Abstract: A valve assembly includes a valve body having a seat-retainer chamber with a floating seat ring disposed adjacent an inner sidewall of the seat-retainer chamber. The floating seat ring is configured to contact a first portion of a plug head at a single annular location prior to a second portion of the plug head contacting a valve primary seat during a closing stroke of the plug head. A static seal is located radially between the floating seat ring and the inner sidewall of the seat-retainer chamber.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: August 30, 2022
    Assignee: Flowserve Management Company
    Inventor: Laren J. Winkel
  • SHUTOFF SEAL FOR HIGH TEMPERATURE PRESSURE BALANCE VALVE AND RELATED METHODS
    Publication number: 20200378503
    Abstract: A valve assembly includes a valve body having a seat-retainer chamber with a floating seat ring disposed adjacent an inner sidewall of the seat-retainer chamber. The floating seat ring is configured to contact a first portion of a plug head at a single annular location prior to a second portion of the plug head contacting a valve primary seat during a closing stroke of the plug head. A static seal is located radially between the floating seat ring and the inner sidewall of the seat-retainer chamber.
    Type: Application
    Filed: July 27, 2017
    Publication date: December 3, 2020
    Inventor: Laren J. Winkel
  • Pressure-balanced control valves
    Patent number: 9222600
    Abstract: A valve assembly comprises a valve body comprising a plug chamber. A static seal is disposed adjacent an inner sidewall of the plug chamber, and a plug comprising a plug head is moveably positioned within the plug chamber, the plug head being configured to contact the static seal only when the plug is adjacent to a seat ring. Methods of using a valve and methods of forming a valve assembly are also disclosed.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: December 29, 2015
    Assignee: Flowserve Management Company
    Inventors: Laren J. Winkel, Fred Cain
  • Butterfly valve, valve seat and valve seat retainer
    Patent number: 8714521
    Abstract: Butterfly valves comprise a valve seat comprising a generally S-shaped cross-section and a valve seat retainer configured with appropriately shaped cooperating surfaces. Fluid control systems comprising such a butterfly valve are also disclosed.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: May 6, 2014
    Assignee: Flowserve Management Company
    Inventors: Michael P. Nelson, Laren J. Winkel
  • PRESSURE-BALANCED CONTROL VALVES
    Publication number: 20120025121
    Abstract: A valve assembly comprises a valve body comprising a plug chamber. A static seal is disposed adjacent an inner sidewall of the plug chamber, and a plug comprising a plug head is moveably positioned within the plug chamber, the plug head being configured to contact the static seal only when the plug is adjacent to a seat ring. Methods of using a valve and methods of forming a valve assembly are also disclosed.
    Type: Application
    Filed: February 5, 2010
    Publication date: February 2, 2012
    Applicant: FLOWSERVE MANAGEMENT COMPANY
    Inventors: Laren J. Winkel, Fred Cain
  • Butterfly Valve, Valve Seat and Valve Seat Retainer
    Publication number: 20110114863
    Abstract: Butterfly valves comprise a valve seat comprising a generally S-shaped cross-section and a valve seat retainer configured with appropriately shaped cooperating surfaces. Fluid control systems comprising such a butterfly valve are also disclosed.
    Type: Application
    Filed: June 26, 2008
    Publication date: May 19, 2011
    Applicant: FLOWSERVE MANAGEMENT COMPANY
    Inventors: Michael P. Nelson, Laren J. Winkel