Columba Yeung

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Decontamination of asphaltic heavy oil and bitumen
- Patent number 8,932,450
- Issue date Jan 13, 2015
- Value Creation Inc.
- Columba K. Yeung
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Pyrolysis of residual hydrocarbons
- Patent number 8,349,268
- Issue date Jan 8, 2013
- Value Creation Inc.
- Columba Yeung
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Pyrolysis of residual hydrocarbons
- Patent number 8,057,662
- Issue date Nov 15, 2011
- Value Creation Inc.
- Columba K. Yeung
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
System for the decontamination of asphaltic heavy oil and bitumen
- Patent number 7,625,466
- Issue date Dec 1, 2009
- Value Creation Inc.
- Columba K. Yeung
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
PYROLYSIS OF RESIDUAL HYDROCARBONS
- Publication number 20120048713
- Publication date Mar 1, 2012
- VALUE CREATION INC.
- Columba Yeung
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
DECONTAMINATION OF ASPHALTIC HEAVY OIL AND BITUMEN
- Publication number 20100116716
- Publication date May 13, 2010
- VALUE CREATION INC.
- Columba K. YEUNG
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
DECONTAMINATION OF ASPHALTIC HEAVY OIL AND BITUMEN
- Publication number 20060260980
- Publication date Nov 23, 2006
- VALUE CREATION INC.
- Columba K. YEUNG
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PYROLYSIS OF RESIDUAL HYDROCARBONS
- Publication number 20060260982
- Publication date Nov 23, 2006
- VALUE CREATION INC.
- Columba K. Yeung
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...