Patents Assigned to Oil Sands Underground Mining Corp.
  • METHOD AND MEANS FOR PROCESSING OIL SANDS WHILE EXCAVATING
    Publication number: 20070085409
    Abstract: The present invention is directed to the separation of bitumen, such as by the Clark process or by a countercurrent de-sander, in an underground excavation machine, such as a tunnel boring machine.
    Type: Application
    Filed: November 9, 2006
    Publication date: April 19, 2007
    Applicant: OIL SANDS UNDERGROUND MINING CORP.
    Inventors: Ronald Drake, Michael Kobler, John Watson
  • Method and means for processing oil sands while excavating
    Patent number: 7097255
    Abstract: The present invention is directed to the separation of bitumen, such as by the Clark process or by a countercurrent de-sander, in an underground excavation machine, such as a tunnel boring machine.
    Type: Grant
    Filed: January 9, 2003
    Date of Patent: August 29, 2006
    Assignee: Oil Sands Underground Mining Corp.
    Inventors: Ronald D. Drake, Michael Helmut Kobler, John David Watson