Patents Assigned to Herreknecht AG
  • Patent number: 8763344
    Abstract: The invention relates to a method for erecting an underground structure, wherein the method is intended to ensure that the underground structure is assembled as safely as possible.
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: July 1, 2014
    Assignee: Herreknecht AG
    Inventors: Ilja Irmscher, Marc Peters