Patents by Inventor Lauri G. Linsen

Lauri G. Linsen 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).

  • Inclined grate apparatus for use in the combustion chamber of a combustion furnace
    Patent number: 4884516
    Abstract: An inclined grate construction or apparatus in the combustion chamber of a combustion furnace, comprising a plurality of adjacent grate tubes in the longitudinal direction of the grate, said tubes being welded together through flat bars. Below the grate is disposed a grate bar carriage, which, in use, reciprocates horizontally respective to the grate. The grate bar carriage supports at least one grate bar, which is pushed through the grate via an opening in the flat bar between two adjacent grate tubes when the grate bar carriage moves towards the grate. The grate bar carriage is also vertically displaceable.
    Type: Grant
    Filed: November 30, 1988
    Date of Patent: December 5, 1989
    Assignee: A. Ahlstrom Corporation
    Inventor: Lauri G. Linsen