Patents by Inventor Arnoldus J. Van Riemsdijk

Arnoldus J. Van Riemsdijk 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: 4107672
    Abstract: A new and improved apparatus for detecting cracks in the heat-insulating liner of a container for cold liquids, wherein a plurality of breakable or frangible electrical conductors and a barrier means having a woven mat of glass-fiber material are incorporated in the heat-insulating material and detector means is connected with the electrical conductors to detect breaks in the electrical conductors caused by cracks in the heat-insulating material attaining a critical length. The frangible electrical conductors may be frangible wires or stripes of conducting paint.
    Type: Grant
    Filed: January 15, 1976
    Date of Patent: August 15, 1978
    Assignee: Shell Internationale Research Maatschappij B.V.
    Inventors: Arnoldus J. Van Riemsdijk, Willem P. Hendal