Patents by Inventor Pertti Leo Juhani Szepaniak

Pertti Leo Juhani Szepaniak 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).

  • Mobile wood chipper unit
    Patent number: 4062498
    Abstract: A mobile wood chipper unit for chipping preferably thin trees or branches left on the ground when felling trees. The unit comprises a chipper having a feeder which preferably can be directed towards both sides of the chipping unit and is adjustable both in the vertical and the horizontal plane. The chips are then transferred to a container.
    Type: Grant
    Filed: November 13, 1975
    Date of Patent: December 13, 1977
    Inventor: Pertti Leo Juhani Szepaniak