Patents by Inventor Mark S. Tschanen

Mark S. Tschanen 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).

  • Cup-type drink merchandiser with bag-in-box product supply system
    Patent number: 4898303
    Abstract: A cup type liquid dispensing machine in which the liquid-supplying system is a closed airtight circuit in the form of bag-in-box packages. The packages are connected to a dispensing pump which supplies the liquid to a dispensed and supported cup. Waste liquids from the machine are collected by various lines which are coupled to a flexible bag. A movable member engages the bag and activates a control switch to stop the machine as the bag becomes full.
    Type: Grant
    Filed: October 27, 1988
    Date of Patent: February 6, 1990
    Assignee: Liqui-Box Corporation
    Inventors: Danny E. Large, Mark S. Tschanen