Patents by Inventor Charles S. Morris

Charles S. Morris 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).

  • Patent number: 4052965
    Abstract: An engine cooling system vent valve is provided for allowing air to escape around a closed thermostat during filling and which closes to prevent circulation of coolant from bypassing the thermostat when the engine is cold and the thermostat is closed. The vent valve includes a ball within a housing having an inlet and an outlet and a support adapter having a plurality of grooves thereon for permitting passage of air.
    Type: Grant
    Filed: October 28, 1975
    Date of Patent: October 11, 1977
    Assignee: Caterpillar Tractor Co.
    Inventor: Charles S. Morris
  • Patent number: D496959
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: October 5, 2004
    Inventor: Charles S Morris