Patents by Inventor Warren E. Williams

Warren E. Williams 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).

  • Protective housing for water pressure switch
    Patent number: 5826707
    Abstract: A protective housing for control switches such as pressure regulating switches for water pumps has been provided in which a cylindrical metal body member is closed by metal end plates in tightly fitted relationship to the body member to contain a switch. The switch also has a water connection passing through one of the plates which is formed by tight metal to metal contact, all for the purpose of obstructing access to the switch by insects such as fire ants.
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: October 27, 1998
    Assignee: W. E. Williams Enterprises, Inc.
    Inventor: Warren E. Williams