Patents by Inventor Frank P. Rhein

Frank P. Rhein 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).

  • Air enhancement system and methods for food processing systems
    Patent number: 7748234
    Abstract: A system and method are disclosed for enhancing airflow through a vertically oriented spiral freezer or oven stack used for freezing or heating food product. At least one high-static fan assembly is mounted above a spiral stack assembly of the system to accelerate and direct air vertically through the spiral stack assembly. Air is directed through a heat exchanger via at least one circulation fan, cooling or heating the air via the heat exchanger. The cooled or heated air is vertically accelerated through the vertically oriented spiral stack assembly via at least one high-static fan assembly mounted above the spiral stack assembly. A method is also disclosed to retrofit a system having a vertically oriented spiral freezer or oven stack to enhance airflow through the stack.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: July 6, 2010
    Assignee: MP Equipment
    Inventor: Frank P. Rhein