Patents by Inventor Wilhelm Hertel

Wilhelm Hertel 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).

  • Dish for holding food to be heated in a microwave cooking chamber
    Patent number: 4210124
    Abstract: Dish for holding food to be heated in a microwave cooking chamber in which the dish bowl provided for holding the food is made to obtain high absorption of high-frequency radiation and the handles and/or base are made to obtain low absorption of high-frequency radiation. In one form the dish has two dish bowls with a common bottom wall, and with one dish bowl having its inner surface covered with a high-frequency radiation-absorbing coating, and the other dish bowl having its inner surface covered with a high-frequency radiation-reflecting coating.
    Type: Grant
    Filed: December 22, 1978
    Date of Patent: July 1, 1980
    Assignee: Bosch-Siemens Hausgerate GmbH
    Inventors: Julius Husslein, Wilhelm Hertel
  • Dish for holding food to be heated in a microwave cooking chamber
    Patent number: 4143647
    Abstract: Dish for holding food to be heated in a microwave cooking chamber in which the dish bowl provided for holding the food is made to obtain high absorption of high-frequency radiation and the handles and/or base are made to obtain low absorption of high-frequency radiation. In one form the dish has two dish bowls with a common bottom wall, and with one dish bowl having its inner surface covered with a high-frequency radiation-absorbing coating, and the other dish bowl having its inner surface covered with a high-frequency radiation-reflecting coating.
    Type: Grant
    Filed: December 1, 1976
    Date of Patent: March 13, 1979
    Assignee: Bosch-Siemens Hausgerate GmbH
    Inventors: Julius Husslein, Wilhelm Hertel