Patents by Inventor Robert Th. Stein

Robert Th. Stein 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).

  • Segments and apparatus for high wall mining including fluid feed
    Patent number: 8876220
    Abstract: A cutter head segment for use at the front of a train of conveyor segments for high wall mining includes at least one fluid transporter connected to a fluid distribution chamber. A pump segment for use in a train of conveyor segments for high wall mining as a segment following the cutter head segment is provided with a second fluid transporter and at least one front connector and at least one rear connector for connecting the second fluid transporter to adjacent fluid transporters. An assembly includes a cutter head segment and a pump segment, and a train of conveyor segments.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: November 4, 2014
    Assignee: Caterpillar Global Mining Highwall Miners LLC
    Inventors: Cornelis Wilhelm In't Hout, Robert Th. Stein
  • SEGMENTS AND APPARATUS FOR HIGH WALL MINING INCLUDING FLUID FEED
    Publication number: 20120205964
    Abstract: A cutter head segment for use at the front of a train of conveyor segments for high wall mining includes at least one fluid transporter connected to a fluid distribution chamber. A pump segment for use in a train of conveyor segments for high wall mining as a segment following the cutter head segment is provided with a second fluid transporter and at least one front connector and at least one rear connector for connecting the second fluid transporter to adjacent fluid transporters. An assembly includes a cutter head segment and a pump segment, and a train of conveyor segments.
    Type: Application
    Filed: September 29, 2009
    Publication date: August 16, 2012
    Applicant: CATERPILLAR GLOBAL MINING HIGHWALL MINERS LLC
    Inventors: Cornelis Wilhelm In't Hout, Robert Th. Stein