Patents by Inventor Jaakko Kirjasniemi

Jaakko Kirjasniemi 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).

  • Apparatus for degassing an aqueous suspension containing pulp fibers
    Patent number: 6416632
    Abstract: An apparatus for degassing an aqueous suspension containing pulp fibres, the apparatus comprising an elongated horizontal reservoir and a bypass manifold extending into the reservoir. The bypass manifold is placed inside the reservoir such that it it positioned substantially within the aqueous suspension at the bottom of the reservoir, the manifold thus decreasing the flow cross-sectional area of the aqueous suspension at the inlet end of the bypass manifold (2) in the reservoir.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: July 9, 2002
    Assignee: Metso Paper, Inc.
    Inventors: Jaakko Kirjasniemi, Antti Suonperä