Patents by Inventor Mathieu Bernd

Mathieu Bernd 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).

  • Filter for obtaining plasma or plasma water
    Patent number: 4915832
    Abstract: A filter having a filter housing with an interior within which, between two closure members, filter membranes in the form of hollow fibers are disposed. Between the hollow fibers a free flow space remains to which are connected two connected pieces disposed inclined on the housing.Through the connecting pieces, blood is supplied to enable filtration from the outside to the inside of the fibers. The connecting pieces are angled so as to provide the lowest possible flow resistance.
    Type: Grant
    Filed: November 15, 1988
    Date of Patent: April 10, 1990
    Assignee: Fresenius, AG
    Inventors: Mathieu Bernd, Schulz Wolfgang, Weber Wolfram