Patents by Inventor Claus Schäfer

Claus Schäfer 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: 10168105
    Abstract: The invention relates to a device for storing heat, comprising a heat storage medium which absorbs heat in order to store heat and releases heat in order to use the stored heat, and a container for holding the heat storage medium, the container being closed by a gastight cover, and the device comprising volume compensation means in order to compensate for a volume increase of the heat storage medium (3) due to a temperature rise and a volume decrease due to a temperature reduction.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: January 1, 2019
    Assignee: BASF SE
    Inventors: Jürgen Wortmann, Claus Schäfer, Michael Lutz, Fabian Seeler, Martin Gärtner, Felix Major, Kerstin Schierle-Arndt, Otto Machhammer, Günther Huber, Stephan Maurer
  • Publication number: 20110271953
    Abstract: The invention relates to a device for storing heat, comprising a heat storage medium which absorbs heat in order to store heat and releases heat in order to use the stored heat, and a container for holding the heat storage medium, the container being closed by a gastight cover, and the device comprising volume compensation means in order to compensate for a volume increase of the heat storage medium (3) due to a temperature rise and a volume decrease due to a temperature reduction.
    Type: Application
    Filed: May 4, 2011
    Publication date: November 10, 2011
    Applicant: BASF SE
    Inventors: Jürgen Wortmann, Claus Schäfer, Michael Lutz, Fabian Seeler, Martin Gärtner, Felix Major, Kerstin Schierle-Arndt, Otto Machhammer, Günther Huber, Stephan Maurer