Patents by Inventor Jorma Vuojolainen

Jorma Vuojolainen 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).

  • Procedure and apparatus for the sorting of wood chips
    Patent number: 5133507
    Abstract: A two-stage procedure is disclosed for sorting wood chips. The chips are directed to a gyratory screen in the first stage and to a disc screen in the second stage. The chip flow is divided in the first stage into four fractions of which the first fraction contains mainly oversized chips and is directed to a pin chipper, from which it emerges as suitable-sized chips and is directed back to the gyratory screen of the first stage. The second fraction contains acceptable sized chips and most of the overthick chips and is directed to the second or thickness screening stage. The third fraction consists mainly of acceptable chips and is directed to a pulping process, while the fourth fraction consists mainly of fine particles and is directed to a burning station.
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: July 28, 1992
    Assignee: Kone Oy
    Inventors: Matti Sepling, Jorma Vuojolainen, Matti Kahilahti