Patents by Inventor Stephen Wickman

Stephen Wickman 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).

  • Wheelbarrow with bolt head depressions
    Patent number: 7641204
    Abstract: A wheelbarrow for transporting materials includes an undercarriage, a wheel rotatably mounted to the undercarriage, a pan mounted to and supported by the undercarriage and a fastening mechanism having a head. The pan includes a base wall and an upright wall extending upwardly from the base wall. The base wall and upright wall define a carrying space and a carrying surface facing the carrying space. A depression is formed in the pan defining a depression plane that is generally continuous with the carrying surface. The fastening mechanism mounts the pan to the undercarriage such that the head is positioned within the depression between the undercarriage and the depression plane.
    Type: Grant
    Filed: September 25, 2006
    Date of Patent: January 5, 2010
    Assignee: Brentwood Industries, Inc.
    Inventors: Palle Rye, Erich Kaintz, Stephen Wickman