Patents by Inventor Brett Leismann

Brett Leismann 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).

  • Auger mining system
    Patent number: 6817678
    Abstract: A mining apparatus 10 to mine coal from a seam 11. The apparatus 10 includes a continuous miner 12 to form a mine road 13. Extending along the road 13 is a conveyor 15 having a forward end 20 to which the mined material from the continuous miner 12 is delivered. The apparatus 10 further includes an auger mining machine that advances an auger drill string 28 into the coal seam 11 in a direction generally normal to the road 13, with the mined material also being delivered to the conveyor 15.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: November 16, 2004
    Assignee: Cutting Edge Technology Pty. Ltd.
    Inventors: Peter Kenneth Seear, Brett Leismann
  • Mining machine and method of mining
    Publication number: 20020096934
    Abstract: A mining apparatus 10 to mine coal from a seam 11. The apparatus 10 includes a continuous miner 12 to form a mine road 13. Extending along the road 13 is a conveyor 15 having a forward end 20 to which the mined material from the continuous miner 12 is delivered. The apparatus 10 further includes an auger mining machine that advances an auger drill string 28 into the coal seam 11 in a direction generally normal to the road 13, with the mined material also being delivered to the conveyor 15.
    Type: Application
    Filed: January 18, 2002
    Publication date: July 25, 2002
    Applicant: CUTTING EDGE TECHNOLOGY PTY LTD
    Inventors: Peter Kenneth Seear, Brett Leismann