Patents by Inventor Lennart Thornquist

Lennart Thornquist 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).

  • Patent number: 7931152
    Abstract: A log shuffler and conveyor assembly including: a chute including a log conveyor having a bottom surface and at least one sidewall; a gap in the log conveyor, and a log shuffler arranged in the gap of the conveyor, wherein the shuffler includes at least one pivoting plate having a first edge moving reciprocally above and below the bottom surface of the chute.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: April 26, 2011
    Assignee: Andritz Oy
    Inventors: Janne Lahteenmaki, Lennart Thornquist, Pekka Kokko, Jaakko Pitkakangas
  • Publication number: 20100329825
    Abstract: A stoker device including: a ladder conveyor having legs extending over a bed and a channel, a yoke connecting a rear portion the legs; a beam assembly fixed to the bed and coupling the yoke to a reciprocating drive, wherein the beam assembly an anchor attached to the bed on one side of the channel, a brace beam attached to the anchor and extending over the channel, and a front beam on an opposite side of the channel to the anchor.
    Type: Application
    Filed: June 18, 2010
    Publication date: December 30, 2010
    Applicant: Andritz Technology and Asset Management GmbH
    Inventors: Richard Burns, Lennart Thornquist
  • Publication number: 20080017480
    Abstract: A log shuffler and conveyor assembly including: a chute including a log conveyor having a bottom surface and at least one sidewall; a gap in the log conveyor, and a log shuffler arranged in the gap of the conveyor, wherein the shuffler includes at least one pivoting plate having a first edge moving reciprocally above and below the bottom surface of the chute.
    Type: Application
    Filed: June 28, 2007
    Publication date: January 24, 2008
    Applicant: ANDRITZ OY
    Inventors: Janne LAHTEENMAKI, Lennart THORNQUIST, Pekka KOKKO, Jaakko PITKAKANGAS
  • Patent number: 5699919
    Abstract: The invention relates to a method and apparatus for removing bark balls from a log flow traveling on a conveyor (3) which extends from a debarking drum (1) to a chipper (2), said conveyor (3) including a roller assembly (4) provided with an opening (5) for dumping from the conveyor (3) a sub-flow consisting of wood pieces and bark balls. The apparatus comprises an adjustable dispenser device (6) for further dividing the sub-flow falling from the conveyor (3) into a portion including mainly wood pieces and a portion including mainly bark balls.
    Type: Grant
    Filed: July 26, 1995
    Date of Patent: December 23, 1997
    Assignee: Andritz-Pantentverwaltungs-Gesellschaft m.b.H.
    Inventors: Matti Pylkkanen, Lennart Thornquist