Patents by Inventor Douglas C. Jurmu

Douglas C. Jurmu 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).

  • Pallet and apparatus for forming a pallet with deep drawn legs
    Patent number: 5142994
    Abstract: A method and apparatus for molding articles such as pallets from flake-like wood particles mixed with binder, the pallets housing a deck and integral molding legs. A loosly fitted mat of wood flakes is formed by depositing a first plurality of layers of wood flakes onto a supporting surface with a flake aligners provided for causing alignment of those flakes which will form legs of the pallet. A second plurality of layers are formed with a flake aligner provided for causing alignment of flakes which will form the legs of the pallet and in a direction transverse to the direction of alignment of the flakes of the first layers.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: September 1, 1992
    Assignee: Board of Control of Michigan Technological University
    Inventors: L. Bogue Sandberg, Bruce A. Haataja, Douglas C. Jurmu, Robert D. Palardy, Frank H. Story, William A. Yates
  • Method for forming a pallet with deep drawn legs
    Patent number: 4790966
    Abstract: A method for molding articles such as pallets from flake-like wood particles mixed with binder, the pallets housing a deck and integral molding legs. A loosely fitted mat of wood flakes is formed by depositing a first plurality of layers of wood flakes onto a supporting surface with a flake aligners provided for causing alignment of those flakes which will form legs of the pallet. A second plurality of layers are formed with a flake aligner provided for causing alignment of flakes which will form the legs of the pallet and in a direction transverse to the direction of alignment of the flakes of the first layers.
    Type: Grant
    Filed: June 30, 1986
    Date of Patent: December 13, 1988
    Assignee: Board of Control of Michigan Technological University
    Inventors: L. Bogue Sandberg, Bruce A. Haataja, Douglas C. Jurmu, Robert D. Palardy, Frank H. Story, William A. Yates