Patents by Inventor Stefan Barwart

Stefan Barwart 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).

  • Patent number: 10151201
    Abstract: A mining tool for a drill head of a tunnel boring machine for mining in rock includes a roller cutter fastening device. The roller cutter fastening device is mountable on the drill head for accommodating and mounting a rotatable roller cutter. The roller cutter is interchangeably and rotatably received in the roller cutter fastening device. A sensor arrangement for detecting a mechanical load of the roller cutter is formed at least partially in the roller cutter fastening device and includes at least one load-sensitive element.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: December 11, 2018
    Assignee: HERRENKNECHT AKTIENGESELLSCHAFT
    Inventors: Stefan Barwart, Robert Galler
  • Publication number: 20170122103
    Abstract: A mining tool (100) for a drill head (150) of a tunnel boring machine (180) for mining in rock (102), wherein the mining tool (100) has a roller cutter fastening device (104), mountable on the drill head (150), for accommodating and mounting a rotatable roller cutter (106), the roller cutter (106) for mining in rock (102) is accommodated or in particular can be interchangeably accommodated rotatably in the roller cutter fastening device (104), and a sensor arrangement (112) for detecting a mechanical load of the mining tool (100), in particular of the roller cutter (106), wherein the sensor arrangement (112) is formed at least partially in the roller cutter fastening device (104) and/or on the sleeve (177) mounted on the roller cutter (106) with at least one load-sensitive element (108) mounted thereon.
    Type: Application
    Filed: April 2, 2015
    Publication date: May 4, 2017
    Inventors: Stefan Barwart, Robert Galler