Patents Assigned to Expro North Sea Limted
  • BALL VALVE
    Publication number: 20140175317
    Abstract: A ball valve comprises a housing, a ball seat arranged in the housing and a ball member mounted within the housing and being rotatable relative to the ball seat between open and closed positions. The ball seat and ball member define respective through bores each having a bore edge, wherein the bore edge of at least one of the valve seat and ball member defines a recessed cutting region for cutting a body extending at least partially through the valve upon closure of the ball member.
    Type: Application
    Filed: July 24, 2012
    Publication date: June 26, 2014
    Applicant: Expro North Sea Limted
    Inventor: Alistair Tennant