Patents by Inventor Eberhard Raetz

Eberhard Raetz 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: 5207151
    Abstract: An apparatus for pasteurizing and precooking pizza bases includes a conveyor belt having an upstream end and a downstream end, a plurality of vitroceramic plates attached to the conveyor belt, and a microwave tunnel positioned for heating vitroceramic plates conveyed through the microwave tunnel. Downstream of the microwave tunnel, pizza bases are delivered to the heated vitro- ceramic plates and they transported in contact with the heated plates to pasteurize and precook the pizza bases.
    Type: Grant
    Filed: August 31, 1992
    Date of Patent: May 4, 1993
    Assignee: Nestec S.A.
    Inventors: Toai Le Viet, Eberhard Raetz
  • Patent number: 5149556
    Abstract: A raw pizza base is pasteurized and precooked by heating a vitroceramic plate by microwaves to bring the plate to a temperature of from 250.degree. C. to 300.degree. C., removing the plate from the microwaves, placing a raw pizza base on the heated vitroceramic plate for from about 2 minutes to about 3 minutes to pasteurize and precook the pizza base in contact with the vitroceramic plate, and then the pizza base is removed from the vitroceramic plate.
    Type: Grant
    Filed: May 3, 1990
    Date of Patent: September 22, 1992
    Assignee: Nestec S.A.
    Inventors: Toai Le Viet, Eberhard Raetz