Patents by Inventor MIKAEL REHNSTROM

MIKAEL REHNSTROM 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).

  • Reduced mass plates for refiners and dispersers
    Patent number: 10166546
    Abstract: A light weight plate segment configured to be mounted on a disc of a disperser or refiner for comminuted cellulosic material including: a front face having disperser teeth or refining bars; a back face having a raised post surrounding a fastener attachment structure and a raised plate positioning section; side edges of the plate segment; and a radially outer edge and a radially inner edge extending between the side edges; wherein the back face lacks raised structures along the side edges.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: January 1, 2019
    Assignee: Andritz Inc.
    Inventors: Mikael Rehnstrom, Ismo Ihalainen, Yves Raymond
  • REDUCED MASS PLATES FOR REFINERS AND DISPERSERS
    Publication number: 20140339348
    Abstract: A light weight plate segment configured to be mounted on a disc of a disperser or refiner for comminuted cellulosic material including: a front face having disperser teeth or refining bars; a back face having a raised post surrounding a fastener attachment structure and a raised plate positioning section; side edges of the plate segment; and a radially outer edge and a radially inner edge extending between the side edges; wherein the back face lacks raised structures along the side edges.
    Type: Application
    Filed: April 17, 2014
    Publication date: November 20, 2014
    Applicant: ANDRITZ INC.
    Inventors: MIKAEL REHNSTROM, Ismo Ihalainen, Yves Raymond