Patents by Inventor Janne Luotoharju

Janne Luotoharju 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).

  • Method and apparatus for casting concrete products
    Patent number: 10434681
    Abstract: A method and an apparatus for casting concrete products with a substantially horizontal slipform casting process, where concrete mass is fed under pressure through a restricted cross-section defining the product to be cast, wherein the upper surface of the restricted cross-section is formed of a plurality of sections, which sections are moved in back and forth trowelling motion in the casting direction, wherein the adjacent sections are moved at different phases and/or at different speeds.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: October 8, 2019
    Assignee: Elematic Oyj
    Inventor: Janne Luotoharju
  • METHOD AND APPARATUS FOR CASTING CONCRETE PRODUCTS
    Publication number: 20160214273
    Abstract: A method and an apparatus for casting concrete products with a substantially horizontal slipform casting process, where concrete mass is fed under pressure through a restricted cross-section defining the product to be cast, wherein the upper surface of the restricted cross-section is formed of a plurality of sections, which sections are moved in back and forth trowelling motion in the casting direction, wherein the adjacent sections are moved at different phases and/or at different speeds.
    Type: Application
    Filed: January 27, 2016
    Publication date: July 28, 2016
    Applicant: Elematic Oyj
    Inventor: Janne LUOTOHARJU
  • Wire guide parts for slipform casting machines
    Patent number: D634340
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: March 15, 2011
    Assignee: Elematic Group OY
    Inventor: Janne Luotoharju
  • Wire guide for slipform casting machines
    Patent number: D634341
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: March 15, 2011
    Assignee: Elematic Group Oy
    Inventor: Janne Luotoharju
  • Wire guide for slipform casting machines
    Patent number: D634342
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: March 15, 2011
    Assignee: Elematic Group Oy
    Inventor: Janne Luotoharju