Patents by Inventor Jacob I. Dijkhuis

Jacob I. Dijkhuis 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: 4352730
    Abstract: Method for cleaning particles trapped in a filtermatrix of a magnetic separator in the presence of a magnetic field. A cleaning fluid is passed through the filtermatrix which the filtermatrix is heated to a temperature higher than the Curie-temperature of the filtermatrix material.
    Type: Grant
    Filed: January 26, 1981
    Date of Patent: October 5, 1982
    Assignee: Holec N.V.
    Inventor: Jacob I. Dijkhuis
  • Patent number: 4330399
    Abstract: A method of separating more magnetic particles from less magnetic particles, contained in a fluid medium which is subjected to a magnetic field, in which as fluid liquified gas is used.
    Type: Grant
    Filed: January 2, 1981
    Date of Patent: May 18, 1982
    Assignee: Holec N.V.
    Inventor: Jacob I. Dijkhuis