Patents by Inventor Columba K. Yeung

Columba K. Yeung 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).

  • Decontamination of asphaltic heavy oil and bitumen
    Patent number: 8932450
    Abstract: A process and apparatus to remove asphaltenic contaminants from bitumen, heavy oil or residue to produce lower viscosity petroleum products and high purity asphaltenes.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: January 13, 2015
    Assignee: Value Creation Inc.
    Inventor: Columba K. Yeung
  • Pyrolysis of residual hydrocarbons
    Patent number: 8057662
    Abstract: A process and apparatus for upgrading heavy hydrocarbons such as asphaltenes to lighter oil and gas components is disclosed. The process provides a reaction environment that promotes fast and selective cracking of heavy hydrocarbons, while minimizing coke formation and fouling and enhancing product yields.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: November 15, 2011
    Assignee: Value Creation Inc.
    Inventor: Columba K. Yeung
  • DECONTAMINATION OF ASPHALTIC HEAVY OIL AND BITUMEN
    Publication number: 20100116716
    Abstract: A process and apparatus to remove asphaltenic contaminants from bitumen, heavy oil or residue to produce lower viscosity petroleum products and high purity asphaltenes.
    Type: Application
    Filed: October 22, 2009
    Publication date: May 13, 2010
    Applicants: VALUE CREATION INC., TECHNOECONOMICS INC.
    Inventor: Columba K. YEUNG
  • System for the decontamination of asphaltic heavy oil and bitumen
    Patent number: 7625466
    Abstract: A process and apparatus to remove asphaltenic contaminants from bitumen, heavy oil or residue to produce lower viscosity petroleum products and high purity asphaltenes.
    Type: Grant
    Filed: May 16, 2006
    Date of Patent: December 1, 2009
    Assignee: Value Creation Inc.
    Inventor: Columba K. Yeung