Patents by Inventor Theodorus A. J. Koot

Theodorus A. J. Koot 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: 4265759
    Abstract: A device for separating a mixture of, for example, oil and water consists of a number of elements treating the mixture in stages, said elements being arranged in overlying position in order to manufacture a compact device.
    Type: Grant
    Filed: February 20, 1980
    Date of Patent: May 5, 1981
    Assignees: Ballast-Nedam Groep N.V., Skimovex B. V.
    Inventors: Willem A. Verpalen, Theodorus A. J. Koot