Patents by Inventor Svein Nesje

Svein Nesje 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).

  • Valve for use in connection with oil production and gas production
    Patent number: 8091861
    Abstract: A valve for use in connection with oil production and gas production comprising a valve housing (1) which is connected to at least one inlet (2) and an outlet (3), which together define a flow channel (16) through the valve, a valve body (9), which is set up to selectively open and close for fluid flow in the flow channel (16). A valve seat (6,7), is fitted with at least one seal against the valve housing (1), the valve seat (6) is fitted with an undercut (31) on the side of the valve seat that faces the valve body (9). The undercut (31) is in direct fluid communication with the flow channel (16).
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: January 10, 2012
    Assignee: Aker Subsea AS
    Inventor: Svein Nesje
  • VALVE
    Publication number: 20100243936
    Abstract: A valve for use in connection with oil production and gas production comprising a valve housing (1) which is connected to at least one inlet (2) and an outlet (3), which together define a flow channel (16) through the valve, a valve body (9), which is set up to selectively open and close for fluid flow in the flow channel (16). A valve seat (6,7), is fitted with at least one seal against the valve housing (1), the valve seat (6) is fitted with an undercut (31) on the side of the valve seat that faces the valve body (9). The undercut (31) is in direct fluid communication with the flow channel (16).
    Type: Application
    Filed: November 14, 2007
    Publication date: September 30, 2010
    Inventor: Svein Nesje