Patents by Inventor Bjarne Pelto

Bjarne Pelto 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).

  • Construction board and its manufacturing method
    Patent number: 5313758
    Abstract: A longitudinal laminate board of mineral wool and method of making the board are disclosed. The laminate board consists of adjacently disposed pieces at least some of which are shorter than the length of the board and whose fibre plane form an essentially right angle to the plane of the laminate board. The pieces are jointed within the laminate board.
    Type: Grant
    Filed: August 16, 1991
    Date of Patent: May 24, 1994
    Assignee: Oy Partek AB
    Inventors: Tarmo Willman, Esko Brunila, Bjarne Pelto, Lars Heselius