Patents by Inventor Johannes B. J. Spijkerman

Johannes B. J. Spijkerman 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).

  • Fluid bed electrolysis cell
    Patent number: 4824541
    Abstract: A fluidized bed electrolysis cell comprising one or more particulate electrodes provided with one or more current feeders carrying on their surfaces a protective film of valve metal oxide, and one or more diaphragms for separating the anode compartments from the cathode compartments in the cell.
    Type: Grant
    Filed: September 4, 1987
    Date of Patent: April 25, 1989
    Assignee: Shell Internationale Research Maatschappij B.V.
    Inventors: Richard E. Malpas, Gerardus J. C. M. Jansen, Anthonie Honders, Johannes B. J. Spijkerman