Patents by Inventor Kenneth Davidsson

Kenneth Davidsson 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).

  • Publication number: 20080190015
    Abstract: The invention relates to a method and a machine for converting comminuted material, such as saw dust, into fuel pellets. In the method of the invention, starting material is pressed by a piston through an elongated passage having a converging cross-section. The stroke length of the piston varies over time. The machine of the invention relates to a pellets press having a variable stroke length.
    Type: Application
    Filed: May 25, 2005
    Publication date: August 14, 2008
    Inventor: Kenneth Davidsson