Patents by Inventor Stefan Mischke

Stefan Mischke 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).

  • Tool head and glass or glass ceramic article producible using the tool head
    Patent number: 10926431
    Abstract: A tool head capable of introducing deep recesses into hard and brittle material such as glass and glass ceramics is provided. The tool head includes a hollow cylindrical abrasive body merging into a hollow shank. The hollow cylindrical abrasive body has an end face with a central abrasive area at the location of a cylinder axis. The central abrasive area is connected with the inner wall surface of the hollow cylindrical abrasive body by at least one web. The end face of the abrasive body, the web, and at least a portion of the outer wall surface of the abrasive body are covered with abrasive. The hollow shank has at least one opening to the interior between the at least one web and the inner wall surface of the abrasive body.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: February 23, 2021
    Assignee: SCHOTT AG
    Inventors: Stefan Mischke, Thomas Werner, Marco Weisenburger
  • TOOL HEAD AND GLASS OR GLASS CERAMIC ARTICLE PRODUCIBLE USING THE TOOL HEAD
    Publication number: 20140377505
    Abstract: A tool head capable of introducing deep recesses into hard and brittle material such as glass and glass ceramics is provided. The tool head includes a hollow cylindrical abrasive body merging into a hollow shank. The hollow cylindrical abrasive body has an end face with a central abrasive area at the location of a cylinder axis. The central abrasive area is connected with the inner wall surface of the hollow cylindrical abrasive body by at least one web. The end face of the abrasive body, the web, and at least a portion of the outer wall surface of the abrasive body are covered with abrasive. The hollow shank has at least one opening to the interior between the at least one web and the inner wall surface of the abrasive body.
    Type: Application
    Filed: June 25, 2014
    Publication date: December 25, 2014
    Inventors: Stefan Mischke, Thomas Werner, Marco Weisenburger