Patents by Inventor Stefan Opitz

Stefan Opitz 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).

  • Publication number: 20070013145
    Abstract: Cylinder head gasket with a gasket plate formed by at least one layer of sheet metal and at least one combustion chamber aperture which is enclosed by a sealing device serving the purpose of sealing the combustion chamber, wherein in order to reduce any warpages of an engine block and/or of a cylinder head a supporting device is provided radially outside the sealing device on the gasket plate; so that the supporting device can be produced in a material-saving and procedurally reliable manner, the supporting device has an area of the sheet-metal layer which is thickened by way of embossing and does not enclose any of the apertures of the gasket to be sealed completely or almost completely and has at least one embossed supporting bead with a meandering shape or a two-dimensional pattern of cup-like recesses and associated elevations.
    Type: Application
    Filed: September 21, 2006
    Publication date: January 18, 2007
    Inventors: Klaus Detmann, Stefan Opitz, Tobias Gruhler, Frank Schaible
  • Publication number: 20050206091
    Abstract: Cylinder head gasket with a gasket plate formed by at least one layer of sheet metal and at least one combustion chamber aperture which is enclosed by a sealing device serving the purpose of sealing the combustion chamber, wherein in order to reduce any warpages of an engine block and/or of a cylinder head a supporting device is provided radially outside the sealing device on the gasket plate; so that the supporting device can be produced in a material-saving and procedurally reliable manner, the supporting device has an area of the sheet-metal layer which is thickened by way of embossing and does not enclose any of the apertures of the gasket to be sealed completely or almost completely and has at least one embossed supporting bead with a meandering shape or a two-dimensional pattern of cup-like recesses and associated elevations.
    Type: Application
    Filed: March 2, 2005
    Publication date: September 22, 2005
    Inventors: Klaus Detmann, Stefan Opitz, Tobias Gruhler, Frank Schaible