Patents by Inventor Michael R. Smals

Michael R. Smals 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).

  • Installation for extracting granular material in a predetermined composition, method using that installation, a mixing unit, and means of measuring the water content of granular material
    Patent number: 5076702
    Abstract: A floating vessel which can move about a sand pit mounts apparatus for garing granular material at the bottom of the sand pit, for processing the granular material into a mixture of a desired granular composition, and for delivery to a barge which can transport the granular material mixture to an ultimate user.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: December 31, 1991
    Assignee: B.V. Grint - en Zandexploitatie Maatschappij v/h Gebrs. Smals
    Inventor: Michael R. Smals
  • Method for obtaining a base material for building mortar
    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