Patents Assigned to Sil Valves AS
  • Valve seal device
    Patent number: 11384844
    Abstract: A valve seal device is for a valve in a pipeline. The valve seal device has four moveable seats configured for sealingly contacting a valve member, two seats being positioned on each side of the valve member. At least one of the moveable seats on each side of the valve member is an actuation seat being controllable from a non-contact position to a contact position where it seals against the valve member.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: July 12, 2022
    Assignee: Sil Valves AS
    Inventor: Frode Ivar Karlsen
  • A VALVE SEAL DEVICE
    Publication number: 20200232564
    Abstract: A valve seal device is for a valve in a pipeline. The valve seal device has four moveable seats configured for sealingly contacting a valve member, two seats being positioned on each side of the valve member. At least one of the moveable seats on each side of the valve member is an actuation seat being controllable from a non-contact position to a contact position where it seals against the valve member.
    Type: Application
    Filed: June 19, 2018
    Publication date: July 23, 2020
    Applicant: Sil Valves AS
    Inventor: Frode Ivar Karlsen