Patents by Inventor Andreas Krätzig

Andreas Krätzig 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: 20230250599
    Abstract: A barrier body arrangement for a passage barrier of an access control system, includes at least a first substantially optically transparent barrier body having a first light coupling surface, at least one second substantially optically transparent barrier body having at least one second light coupling surface, wherein the first barrier body is connected to the second barrier body, at least one light source device configured to couple light into the first light coupling surface and/or the second light coupling surface, and at least one substantially optical transparent separation layer arranged between the first barrier body and the second barrier body.
    Type: Application
    Filed: February 6, 2023
    Publication date: August 10, 2023
    Inventor: Andreas Krätzig