Patents by Inventor Gerd Prappacher

Gerd Prappacher 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).

  • Electrochemical storage cell
    Patent number: 4492742
    Abstract: Electrochemical storage cell of the sodium and sulfur type with at least one anode space for receiving the anolyte and a cathode space for receiving the catholyte, which are separated from each other by an alkali ion-conducting solid electrolyte and are bounded at least in some areas by a metallic housing. The cathode space is in communication via at least one connecting element with at least one supply container for the sodium polysulfide being formed in the chemical reaction.
    Type: Grant
    Filed: April 2, 1984
    Date of Patent: January 8, 1985
    Assignee: Brown, Boveri & Cie AG
    Inventors: Fritz Haberfellner, Stefan Mennicke, Gerd Prappacher