Patents by Inventor Martin Siegert

Martin Siegert 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: 5092997
    Abstract: The invention relates to a method for concentrating macromolecular solutions, more particularly of protein molecules, to a defined end volume lying in the ul-range and to a filter for carrying out the method. The liquid phase of any amounts of solutions is pressed through an upright filter leaf. The filtered constituents are directed down through gravity and are collected in a concentrate chamber.
    Type: Grant
    Filed: February 15, 1990
    Date of Patent: March 3, 1992
    Inventor: Martin Siegert