Patents by Inventor Craig F. Diekmann

Craig F. Diekmann 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).

  • Patent number: 6093914
    Abstract: An electric cooking appliance operable from two 120 VAC household circuits. The electric cooking appliance includes a plurality of surface heating units and a pair of oven heating units operably coupled to two AC power sources. The oven heating units are coupled to one of the power sources through a thermostat and a switching circuit for alternately switching the heating units between a high bake, a high broil, and a dual bake/broil setting. A plurality of surface unit switches interposed between the power source and each surface unit controls the operation and current draw of the each surface unit.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: July 25, 2000
    Inventors: Mark J. Diekmann, Craig F. Diekmann