Patents by Inventor Marinus A. Biemans

Marinus A. Biemans 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: 4904151
    Abstract: There is disclosed a power loader lift arm cross tube stabilizing structure. A pair of loader lift arms are interconnected by a double torque tube stabilizing member which serves to distribute twisting forces encountered by one loader arm more evenly to that loader arm structure, as well as through the cross tube and to the other loader arm structure. The cross tube structure is comprised of two tubes, one positioned within the other, the outside tube being welded to each vertical side of each side of each lift arm member, while the inside tube is welded at its outer ends to the inner surface of the outer tube.
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: February 27, 1990
    Assignee: Deere & Company
    Inventors: Marinus A. Biemans, Henry Friesen