Patents by Inventor Douglas Wennberg

Douglas Wennberg 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).

  • Planet washer
    Patent number: 6135910
    Abstract: A substantially flat steel ring with a round perimeter and a central aperture has at least two arcuate slots concentric with the round perimeter. The arcuate slots are defined by arcs about the axis of the flat steel ring such that at least a portion of the arcuate slots is in axial alignment with planetary rollers when the planet washer is positioned in a planetary gear set.
    Type: Grant
    Filed: August 18, 1999
    Date of Patent: October 24, 2000
    Assignee: The Torrington Company
    Inventors: Matthew Urmaza, Douglas Wennberg