Patents by Inventor Arndt MELZER

Arndt MELZER 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 sheets comprising security elements
    Patent number: 10953683
    Abstract: The present invention relates to a method of manufacturing a security sheet comprising a security element (11), a core structure (10) for forming the security sheet, a stack (29) including such a core structure (10), a security sheet comprising the core structure (10) or stack (29) and a security document comprising the security sheet. At least one perforation (20) is formed through, from a first core surface (13) to a second core surface (14) of, at least one core layer (12) comprising plastic. A security element (11) is fed through the at least one perforation (20) such that the security element (11) extends through, from the first core surface (13) to the second core surface (14) of, the at least one core layer (12). At least one first region (17) of the security element (11) is located over part of the first core surface (13) and at least one second region (18) of the security element (11) is located over part of the second core surface (14).
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: March 23, 2021
    Assignees: DE LA RUE INTERNATIONAL LIMITED, MELZER MASCHINENBAU GMBH
    Inventors: Matthew Sugdon, Simon Quainton, Arndt Melzer
  • IMPROVEMENTS IN SECURITY SHEETS COMPRISING SECURITY ELEMENTS
    Publication number: 20200247170
    Abstract: The present invention relates to a method of manufacturing a security sheet comprising a security element (11), a core structure (10) for forming the security sheet, a stack (29) including such a core structure (10), a security sheet comprising the core structure (10) or stack (29) and a security document comprising the security sheet. At least one perforation (20) is formed through, from a first core surface (13) to a second core surface (14) of, at least one core layer (12) comprising plastic. A security element (11) is fed through the at least one perforation (20) such that the security element (11) extends through, from the first core surface (13) to the second core surface (14) of, the at least one core layer (12). At least one first region (17) of the security element (11) is located over part of the first core surface (13) and at least one second region (18) of the security element (11) is located over part of the second core surface (14).
    Type: Application
    Filed: September 24, 2018
    Publication date: August 6, 2020
    Applicants: DE LA RUE INTERNATIONAL LIMITED, MELZER MASCHINENBAU GMBH
    Inventors: Matthew SUGDON, Simon QUAINTON, Arndt MELZER