CY

Columba K. Yeung

📍 Calgary, CA: #971 of 5,407 inventorsTop 20%
Overall (All Time): #1,208,567 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8932450 Decontamination of asphaltic heavy oil and bitumen 2015-01-13
8349268 Pyrolysis of residual hydrocarbons 2013-01-08
8057662 Pyrolysis of residual hydrocarbons 2011-11-15
7625466 System for the decontamination of asphaltic heavy oil and bitumen 2009-12-01