Patents by Inventor Jan Bovendeur

Jan Bovendeur 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: 5203212
    Abstract: Method for determining the composition of a sample of for example dredging sludge by separating the sample into fractions, analyzing the fractions geophysically and/or physical-chemically and by further characterizing the fractions wherein the sample is separated in accordance with a preselected pattern of weight-criteria.
    Type: Grant
    Filed: February 12, 1991
    Date of Patent: April 20, 1993
    Assignee: Serasea B.V.
    Inventors: Jan Bovendeur, Barend J. Visser