Patents Assigned to The Prestige Group PLC
  • Pressure cooker relief valve assembly
    Patent number: 4560143
    Abstract: A relief valve assembly for pressure cookers in which the valve port is controlled by a predetermined weight. A skirt portion forming part of the mass of the weight surrounds the valve port so forming a chamber. The skirt portion has an opening in it such that gas entering the chamber from the pressure cooker via the valve port can escape to the atmosphere in a predetemined direction, e.g. away from a hand grip portion.
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: December 24, 1985
    Assignee: The Prestige Group PLC
    Inventor: Geoffrey Robinson