Patents by Inventor Markus Krombholz

Markus Krombholz 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).

  • Security element with thin-layer element
    Patent number: 7923097
    Abstract: The invention relates to a security element for security papers, documents of value and the like having a thin-layer element (12) with color shift effect, which has a reflection layer (14), an absorber layer (18) and a spacer layer (16) disposed between reflection layer (14) and absorber layer (18). According to the invention the spacer layer (16) is formed by a printed layer having dispersion particles (20) with monomodal or oligomodal size distribution.
    Type: Grant
    Filed: August 9, 2004
    Date of Patent: April 12, 2011
    Assignee: Giesecke & Devrient GmbH
    Inventors: Manfred Heim, Ralf Liebler, Markus Krombholz
  • Devices and method for the production of sheet material
    Patent number: 7849993
    Abstract: The invention relates to sheet material having an electrical circuit and to apparatuses and methods for processing said sheet material. The present invention describes sheet material having an electrical circuit as well as apparatuses and methods for processing same, which reduce the effort required for processing the sheet material and/or facilitate processing and/or improve it and/or make it more reliable. For this purpose, the sheet material has at least one electrical circuit, with energy and/or data being transmitted from the apparatus to the electrical circuit and/or from the electrical circuit to the apparatus and at least part of the transmitted data being used for processing.
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: December 14, 2010
    Assignee: Giesecke & Devrient GmbH
    Inventors: Klaus Finkenzeller, Thomas Giering, Manfred Heim, Thomas Hildebrandt, Ralf Hobmeier, Lars Hoffmann, Norbert Holl, Wittich Kaule, Friedrich Kretschmar, Markus Krombholz, Ralf Liebler, Thorsten Pillo, Harald Reiner, Walter Schneider, Eckart Schroeder-Bergen, Martin Seysen, Dieter Stein, Alexander Steinkogler, Christian Voellmer, Bernd Wunderer, Fabiola Bellersheim, Marius Dichtl, Juergen Schuetzmann
  • Security element with thin-layer element
    Publication number: 20070190297
    Abstract: The invention relates to a security element for security papers, documents of value and the like having a thin-layer element (12) with color shift effect, which has a reflection layer (14), an absorber layer (18) and a spacer layer (16) disposed between reflection layer (14) and absorber layer (18). According to the invention the spacer layer (16) is formed by a printed layer having dispersion particles (20) with monomodal or oligomodal size distribution.
    Type: Application
    Filed: August 9, 2004
    Publication date: August 16, 2007
    Inventors: Manfred Heim, Ralf Liebler, Markus Krombholz
  • Devices and method for the production of sheet material
    Publication number: 20050150740
    Abstract: The invention relates to sheet material having an electrical circuit and to apparatuses and methods for processing said sheet material. The present invention describes sheet material having an electrical circuit as well as apparatuses and methods for processing same, which reduce the effort required for processing the sheet material and/or facilitate processing and/or improve it and/or make it more reliable. For this purpose, the sheet material has at least one electrical circuit, with energy and/or data being transmitted from the apparatus to the electrical circuit and/or from the electrical circuit to the apparatus and at least part of the transmitted data being used for processing.
    Type: Application
    Filed: December 19, 2002
    Publication date: July 14, 2005
    Inventors: Klaus Finkenzeller, Thomas Giering, Manfred Heim, Thomas Hildebrandt, Ralf Hobmeier, Lars Hoffmann, Norbert Holl, Wittich Kaule, Friedrich Kretschmar, Markus Krombholz, Ralf Liebler, Thorsten Pillo, Harald Reiner, Walter Schneider, Eckart Schroeder-Bergen, Martin Seysen, Dieter Stein, Alexander Steinkogler, Christian Voellmer, Bernd Wunderer, Fabiola Bellersheim, Marius Dichtl, Juergen Schuetzmann