Patents by Inventor Jaques Josef Plessers

Jaques Josef Plessers 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: 5902468
    Abstract: A device for conducting electrochemical measurements in glass or salt melts has at least one indicator electrode and one reference electrode arrangement. In order to be able to conduct very exact measurements, the tip of the indicator electrode intended to be immersed in the melt is constructed of a noble metal or noble metal alloy with at least one another noble metal, preferably iridium or an iridium alloy with other noble metals, and is mounted gas-tight in a heat-resistant tube. The indicator electrode is passed through the heat-resistant tube.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: May 11, 1999
    Assignee: Heraeus Electro-Nite International N.V.
    Inventors: Jaques Josef Plessers, Marc Straetemans