Patents by Inventor Vincent Pihlstrom

Vincent Pihlstrom 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).

  • Device for board manufacture
    Patent number: 5711972
    Abstract: Apparatus for compressing mats of lignocellulose-containing material into board material is disclosed including a rotary compression roll having a perforated shell on its surface with axial ducts disposed within the rotary compression roll adjacent to that surface and a shoe adjacent to one end of the rotary compression roll in which the shoe includes a channel for injecting a processing medium into at least one of the axial ducts so that the processing medium is directed onto the mat in a processing section during compression of the mat by the rotary compression roll.
    Type: Grant
    Filed: October 8, 1996
    Date of Patent: January 27, 1998
    Assignee: Sunds Defibrator Industries AB
    Inventors: Kurt Schedin, Vincent Pihlstrom, Fredrik Nilsson