Patents by Inventor Johannes H. N. Van Vocht

Johannes H. N. Van Vocht 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).

  • Battery with hydrogen absorbing material of the formula LnM.sub.5
    Patent number: 4216274
    Abstract: An electrochemical energy conversion device, i.e. a galvanic cell using a hydrogen absorbing material to provide either a source of energy, or to absorb hydrogen to avoid overpressure in the cell. This hydrogen absorbing material is a compound of the formula LnM.sub.5 in which Ln represents a lanthanide metal and M is either cobalt or nickel.
    Type: Grant
    Filed: February 14, 1977
    Date of Patent: August 5, 1980
    Assignee: U.S. Philips Corporation
    Inventors: Hugo A. C. M. Bruning, Johannes H. N. Van Vocht, Frans F. Westendorp, Hinne Zijlstra