Patents by Inventor Karlheinz Mayer

Karlheinz Mayer 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).

  • Embossed data carrier
    Patent number: 6712397
    Abstract: A data carrier (1), such as a security, bank notes, ID card or the like, that is embossed in such a way that at least part of said embossment (2) is shaped like an oblique plane (3).
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: March 30, 2004
    Assignee: Giesecke & Devrient GmbH
    Inventors: Karlheinz Mayer, Roger Adamczyk, Eduard Wisjak, Christof Baldus
  • Data carrier, method for the production thereof and gravure printing plate
    Publication number: 20040050269
    Abstract: The invention relates to a data carrier having a security element that is at least visually testable and has an embossing in at least a partial area, the embossing being a halftone blind embossing executed by inkless line intaglio printing, and to a method for producing the data carrier and a printing plate for blind-embossing a security element.
    Type: Application
    Filed: September 9, 2003
    Publication date: March 18, 2004
    Inventors: Roger Adamczyk, Reinhard Plaschka, Karlheinz Mayer, Peter Franz
  • Data carrier with a printed security element and gravure production method thereof
    Publication number: 20030145747
    Abstract: The invention relates to a data carrier with a security printed image produced by intaglio printing. The security printed image consists of a plurality of contrasting structural elements disposed in exact register. A first part of the structural elements is designed to be relieflike and tactile and a second part of the structural elements flat and nontactile.
    Type: Application
    Filed: October 17, 2002
    Publication date: August 7, 2003
    Inventors: Karlheinz Mayer, Roger Adamczyk, Peter Franz, Eckhard Braun
  • PROCESS FOR PRODUCING DIES
    Publication number: 20010043842
    Abstract: A method is described for producing embossing plates, in particular steel intaglio printing plates. A plane element is determined from a line drawing, the edge of the plane element defining a desired contour. A tool track is then calculated from the desired contour and a desired depth associated with the plane element, to be used for guiding an engraving tool such that the partial area is removed.
    Type: Application
    Filed: April 2, 1999
    Publication date: November 22, 2001
    Applicant: kaule
    Inventors: WITTICH KAULE, KARLHEINZ MAYER