Patents by Inventor Carl J. N. Hakansson

Carl J. N. Hakansson 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 handling white water in a twin-wire machine
    Patent number: 4504358
    Abstract: In order to produce a reduction in the content of suspended matter in the surplus white water in a twin-wire machine with a curved forming zone, an outer saveall for collecting white water thrown outwardly from the curved forming zone is divided up into at least two separate saveall compartments arranged after each other in the direction of travel of the wires. The white water that is caught in the separate saveall compartments is removed as separate fractions for reuse.
    Type: Grant
    Filed: September 14, 1983
    Date of Patent: March 12, 1985
    Assignee: KMW Aktiebolag
    Inventor: Carl J. N. Hakansson