Patents Assigned to Ewarts Limited
  • Gas taps
    Patent number: 4015631
    Abstract: The invention provides a gas tap particuarly intended to be made of aluminium, using an axially movable plunger to control flow, in which the tip of the plunger is modified for low rate flow control, by providing a low rate flow passage in the tip of the plunger.
    Type: Grant
    Filed: March 7, 1975
    Date of Patent: April 5, 1977
    Assignee: Ewarts Limited
    Inventor: Stephen Hayes