Patents by Inventor Jon P. Gilchrist

Jon P. Gilchrist 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).

  • Solenoid valve
    Patent number: 5386849
    Abstract: A solenoid valve assembly including a diaphragm assembly which is conformed to the poppet and which moves therewith. The poppet is integral with or mounted to the pole piece of the solenoid. The poppet is shaped to conform to the shape of the valve seat. The valve seat has an annular groove to allow flushing of the valve in both open and closed positions.
    Type: Grant
    Filed: April 21, 1994
    Date of Patent: February 7, 1995
    Assignee: South Bend Controls, Inc.
    Inventors: Jon P. Gilchrist, William C. Klebusch
  • Solenoid valve
    Patent number: 5333643
    Abstract: A solenoid valve assembly including a diaphragm assembly which is conformed to the poppet and which moves therewith. The poppet is integral with or mounted to the pole piece of the solenoid. The poppet is shaped to conform to the shape of the valve seat. The diaphragm is preferably elastomeric and stretchable to create a wiping motion against the valve seat when the solenoid is deactivated. The valve seat may also have an annular groove to allow flushing of the valve in both open and closed positions.
    Type: Grant
    Filed: March 24, 1993
    Date of Patent: August 2, 1994
    Assignee: South Bend Controls, Inc.
    Inventors: Jon P. Gilchrist, William C. Klebusch