Patents by Inventor Mark C. Schroeder

Mark C. Schroeder 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).

  • Carbon media filter element
    Patent number: 7070641
    Abstract: A carbon media filter element with urethane frame and seal has a border member composed of urethane providing a combined structural frame and seal extending along the perimeter and providing both the support frame for the media and a seal along the ends of the media sheet retaining carbon granules between backing layers and preventing escape of carbon granules out of the end. Manufacturing apparatus and methods are provided.
    Type: Grant
    Filed: December 3, 2003
    Date of Patent: July 4, 2006
    Assignee: Fleetguard, Inc.
    Inventors: Larry T. Gunderson, Eric Schroeder, Mark C. Schroeder, Thomas A. Fosdal, Eric A. Janikowski