Patents by Inventor Dimeder Johann

Dimeder Johann 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).

  • Publication number: 20030005966
    Abstract: A multi-port valve has a housing, a flow plug and a stop. The housing defines a valve cavity and has at least three ports. The flow plug is positionable within the valve cavity between a first position, wherein the flow plug is adapted to prevent flow through a selected first port and a second position wherein the flow plug is adapted to prevent flow through a selected second port. The stop is attachable to the housing so that the stop extends into the cavity and is adapted to engage the flow plug to prevent the flow plug from blocking flow through a selected third port.
    Type: Application
    Filed: July 5, 2001
    Publication date: January 9, 2003
    Inventor: Dimeder Johann
  • Patent number: 6497250
    Abstract: A multi-port valve has a housing, a flow plug and a stop. The housing defines a valve cavity and has at least three ports. The flow plug is positionable within the valve cavity between a first position, wherein the flow plug is adapted to prevent flow through a selected first port and a second position wherein the flow plug is adapted to prevent flow through a selected second port. The stop is attachable to the housing so that the stop extends into the cavity and is adapted to engage the flow plug to prevent the flow plug from blocking flow through a selected third port.
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: December 24, 2002
    Assignee: Praher Canada Products Ltd.
    Inventor: Dimeder Johann