Patents by Inventor Ronald Dennis Jungmann

Ronald Dennis Jungmann 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).

  • Inline check valve
    Patent number: 6056012
    Abstract: A container (10) has a valve (20) to control flow of liquid out of the container (10). The valve (20) has an inline check valve (30) positioned in the inlet section (22) of the valve (20). The inlet section (22) of the valve (20) is in turn positioned in the discharge port (13) of the container (10), thereby positioning the check valve (30) on the inlet side of the valve (20) and in the container (10) so as to be tamper-resistant.
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: May 2, 2000
    Assignee: Ecolab Inc.
    Inventors: Kaye Kit-Han Yuen, Ronald Dennis Jungmann, Scott Randall Olson