Patents by Inventor Nancy E. Tomaszewski

Nancy E. Tomaszewski 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: 5806857
    Abstract: A gasket to be positioned between two sealing flanges of an internal combustion engine includes a plurality of stacked gasket layers. Each layer has two opposing generally planar surfaces and predetermined thickness. At least one of the gasket layers has a surface projection at a predetermined height above its generally planar surface and another layer defines a void. The surface projection is situated so that the projection aligns with and extends into the void. The combined thicknesses of the gasket layers is not increased by the height of the surface projection.
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: September 15, 1998
    Assignee: Fel-Pro Incorporated
    Inventors: Martin Mockenhaupt, Carl J. Schnecke, Nancy E. Tomaszewski