Patents by Inventor Matti Potinkara

Matti Potinkara 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: 5034197
    Abstract: The present invention relates to the refractory lining covering the lower part of a tube wall in the reactor chamber of a fluidized bed reactor. The upper surface or edge of the refractory lining is provided with a plurality of radial grooves to guide the bed material flowing downwards along the walls so as to decrease its wearing effect at the border line of the refractory lining and the tube walls.
    Type: Grant
    Filed: January 25, 1990
    Date of Patent: July 23, 1991
    Assignee: A. Ahlstrom Corporation
    Inventor: Matti Potinkara