Patents by Inventor Ismo Ihalainen

Ismo Ihalainen 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).

  • Deflaker with serrated tooth pattern
    Patent number: 11905660
    Abstract: A deflaker plate for a deflaker machine may include a substrate and a plurality of teeth extending from the substrate, wherein a specified number of teeth of the plurality of teeth have a serrated face.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: February 20, 2024
    Assignee: ANDRITZ INC.
    Inventors: Luc Gingras, Ismo Ihalainen
  • DEFLAKER WITH SERRATED TOOTH PATTERN
    Publication number: 20230167605
    Abstract: A deflaker plate for a deflaker machine may include a substrate and a plurality of teeth extending from the substrate, wherein a specified number of teeth of the plurality of teeth have a serrated face.
    Type: Application
    Filed: November 17, 2022
    Publication date: June 1, 2023
    Inventors: Luc Gingras, Ismo Ihalainen
  • 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
  • TEETH FOR DISPERSER PLATE HAVING GROOVES AND TAPER
    Publication number: 20140174688
    Abstract: A disperser plate segment for removing contaminants from fiber stock, the segment comprising: radially inner and outer edges, multiple radially concentric rows of teeth, each row of teeth having multiple teeth defining multiple channels disposed intermediate the teeth, each of the channels having a lower channel base surface and each of the teeth having a top surface, at least one face surface extending from the channel base surface to the top surface, and wherein at least one of the face surfaces comprises at least two grooves.
    Type: Application
    Filed: December 3, 2013
    Publication date: June 26, 2014
    Applicant: Andritz Inc.
    Inventor: Ismo Ihalainen