Patents by Inventor Gerrit Lund

Gerrit Lund 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).

  • Method for producing paper pulp from fibers of annual plants
    Patent number: 5976320
    Abstract: A method for producing paper pulp containing fibers of annual plants or of secondary raw materials produced therefrom, whereby fiber materials are shortened to a length which permits production of a homogeneous, pumpable suspension of the shortened fiber materials. The fiber materials are subsequently bleached and processed into a homogeneous paper pulp.
    Type: Grant
    Filed: August 8, 1997
    Date of Patent: November 2, 1999
    Assignee: Giesecke & Devrient GmbH
    Inventors: Gerrit Lund, Reinhard Tauber