Patents by Inventor Laura E. Petzke

Laura E. Petzke 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).

  • Microwave oven having a door ventilation system
    Patent number: 7348527
    Abstract: A microwave oven for use in cooking food having a door and door mounted controls and a cooling system where the door mounted controls are disclosed. The microwave oven having an external enclosure defining an outer cabinet and an oven cavity supported within the external enclosure where the oven cavity has a front access opening. The door is rotatably supported adjacent the external enclosure for selectively closing the access opening. A control unit is mounted within the door and a ventilation cooling path is formed within the door for cooling the control unit mounted with the door. A blower is supported within the external enclosure for directing an air flow toward the door and into the ventilation cooling path. The microwave can further include a housing which is supported within the door for enclosing the control unit and where the housing forms part of the ventilation cooling path.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: March 25, 2008
    Assignee: Whirlpool Corporation
    Inventors: Eckart Braunisch, Ulf Nordh, Per Torngren, Anders Zeijlon, Hakan Lundstrom, Hans Lindgren, Hakan Carlsson, Alan D. Bengtson, Renee M. Garnham, Laura E. Petzke