Patents by Inventor Yan Tao Sun

Yan Tao Sun 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).

  • Patent number: 8919369
    Abstract: Fluid flow control members for use with valves are described herein. An example fluid flow control member for use with a valve includes a body having a seat to control a fluid flow through the valve. The body defines a seating surface, an aperture to receive a stem of the valve and a plurality of substantially flat surfaces to enable gripping an exterior surface of the body.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: December 30, 2014
    Assignee: Fisher Controls International LLC
    Inventors: Chun Lin, Eric Alan Miller, Roy Ronald Pelfrey, Yan Tao Sun, Fan Jian Jun
  • Publication number: 20120298905
    Abstract: Fluid flow control members for use with valves are described herein. An example fluid flow control member for use with a valve includes a body having a seat to control a fluid flow through the valve. The body defines a seating surface, an aperture to receive a stem of the valve and a plurality of substantially flat surfaces to enable gripping an exterior surface of the body.
    Type: Application
    Filed: August 6, 2012
    Publication date: November 29, 2012
    Inventors: Chun Lin, Eric Alan Miller, Roy Ronald Pelfrey, Yan Tao Sun, Fan Jian Jun
  • Patent number: 8256462
    Abstract: Fluid flow control members for use with valves are described herein. An example fluid flow control member for use with a valve includes a body having a first seating surface to control a flow of fluid through the valve. The body defines a second seating surface opposite the first seating surface to control a flow of fluid through the valve. Additionally, the body defines an aperture to receive a stem of the valve, and a bore surrounded by the first seating surface to receive at least one of a seal or a sliding member each of which have a first surface to be engaged by a second surface of a spring seat coupled to the stem to control a fluid flow through the valve.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: September 4, 2012
    Assignee: Emerson Process Management Regulator Technologies, Inc.
    Inventors: Chun Lin, Eric Alan Miller, Roy Ronald Pelfrey, Yan Tao Sun, Fan Jian Jun
  • Publication number: 20100051117
    Abstract: Fluid flow control members for use with valves are described herein. An example fluid flow control member for use with a valve includes a body having a first seating surface to control a flow of fluid through the valve. The body defines a second seating surface opposite the first seating surface to control a flow of fluid through the valve. Additionally, the body defines an aperture to receive a stem of the valve, and a bore surrounded by the first seating surface to receive at least one of a seal or a sliding member each of which have a first surface to be engaged by a second surface of a spring seat coupled to the stem to control a fluid flow through the valve.
    Type: Application
    Filed: September 2, 2008
    Publication date: March 4, 2010
    Inventors: Chun Lin, Eric Alan Miller, Roy Ronald Pelfrey, Yan Tao Sun, Fan Jian Jun