Patents by Inventor Ernst Erik Forsgren

Ernst Erik Forsgren 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: 4044525
    Abstract: A method and a machine for packing wood chips into containers that are easily transported from the place of production to the place of utilization. The wood chips are blown from the discharge tube of the wood chipper straight into a tube-like package which has perforated walls allowing the air carrying the wood chips to escape from the package while the chips are retained inside the package.
    Type: Grant
    Filed: June 8, 1976
    Date of Patent: August 30, 1977
    Assignee: Anders Eric Sundin
    Inventor: Ernst Erik Forsgren