Patents by Inventor Peter C. Thissen

Peter C. Thissen 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: 4828393
    Abstract: A method wherein the extraction of a quantity of sand, with a granular size and distribution ratio, are subjected to a moisturing or dewatering treatment until a moisture content of a maximum of 15% m/m is attained; supplying and/or storing in bulk of an aggregate, such as fly-ash, with a smaller granular size than that of the sand fraction; and feeding and mixing the sand fraction and aggregate by means of a through-flow process, the mixture being poured or delivered so that a base material for mortar will have an optimal grain size distribution ratio and homogeneous composition.
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: May 9, 1989
    Assignee: 501 B.V. Grint
    Inventors: Michael R. Smals, Peter C. Thissen, Jan J. Tiemersma