Patents by Inventor Evert J. Klip

Evert J. Klip 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).

  • Process for the manufacture of bundles of semi-permeable hollow filaments for use in blood, plasma and dialysate filters
    Patent number: 4838972
    Abstract: Manufacture of bundles of at least 1000 semi-permeable hollow fibres for use in filters such as, e.g., blood, plasma and dialysate filters, and in artificial kidneys. One or more hollow filaments are wound onto a reel until the formed package contains the number of filaments required for bundle formation. After which the package is cut into fibre bundles of the desired length. The package is held in one place of the reel and a free end is introduced into a sleeve having a length which is a number of times that of the length of the fibre bundle in the final filter. The sleeve is cut into fibre bundles of the desired length.
    Type: Grant
    Filed: September 2, 1987
    Date of Patent: June 13, 1989
    Assignee: Organon Teknika B.V.
    Inventors: Jacobus J. H. G. Daamen, Peter J. De Haan, Evert J. Klip