Patents by Inventor Berndt Gierer

Berndt Gierer 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: 5951897
    Abstract: Proposed is a temperature measuring device for a regulating circuit (10) in particular of an electrical radiant heating appliance with a heating conductor (2) arranged beneath a glass ceramic cooking surface (1), in which the heating conductor (2) itself suffices for temperature detection. There is provided a change-over switch (6) which cyclically connects the heating conductor (2) to a resistance measuring circuit (7). It detects the respective temperature-dependent ohmic resistance value of the heating conductor (2) and produces a temperature-proportional control signal for the regulating circuit (10).
    Type: Grant
    Filed: January 31, 1997
    Date of Patent: September 14, 1999
    Assignee: AKO-Werke GmbH & Co. KG
    Inventors: Roman-Hartmut Wauer, Berndt Gierer, Pia Krause