Patents by Inventor W. Keith Cook

W. Keith Cook 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).

  • Methyl salicylate antifreeze solution method
    Patent number: 5830380
    Abstract: An antifreeze solution for use in potable water systems is provided which has a distinct, pleasant aroma. The aroma allows the user to determine by smell the presence of the antifreeze solution in the water system. The antifreeze solution contains methyl salicylate, ethyl alcohol and propylene glycol and water in specific proportions to insure against freezing.
    Type: Grant
    Filed: July 18, 1997
    Date of Patent: November 3, 1998
    Assignee: Camco Manufacturing, Inc.
    Inventor: W. Keith Cook
  • Control valve
    Patent number: D542382
    Type: Grant
    Filed: August 22, 2006
    Date of Patent: May 8, 2007
    Assignee: Camco Manufacturing, Inc.
    Inventors: W. Keith Cook, Anthony D. Moore, Jeff R. Russell, Ronald S. Boose, Sr.