Patents Assigned to G. Methven & Co., Limited
  • Fluid flow control means
    Patent number: 3995435
    Abstract: A fluid flow control means particularly for controlling water flow in irrigation systems such as open course or socalled "Border Dyke" systems in which there are a series divided land areas to be irrigated in turn.
    Type: Grant
    Filed: May 21, 1975
    Date of Patent: December 7, 1976
    Assignee: G. Methven & Co., Limited
    Inventor: William Waterston