Patents by Inventor William Waterston

William Waterston has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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