Patents by Inventor Peter K. Hazenberg

Peter K. Hazenberg 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: 8037623
    Abstract: An article of athletic footwear having an air-filled bladder disposed in a sole structure is disclosed. The air-filled bladder is in fluid communication with ambient air through a filter that permits ambient air to enter the bladder but restricts liquids and particulates from entering the bladder. In operation, the filter and bladder may be portions of a bladder system that absorb shock when the footwear contacts a playing surface. Alternatively, the filter and bladder may be portions of a bladder system that ventilates the interior of the footwear. The filter may be formed of a material such as expanded polytetrafluoroethylene that is attached to a carrier.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: October 18, 2011
    Assignee: Nike, Inc.
    Inventors: Joel Passke, Fred Dojan, Peter K. Hazenberg, John Swigart