Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7776297 | Multi-stage heat absorbing reactor and process for SCR or NOx and for oxidation of elemental mercury | — | 2010-08-17 |
| 7529691 | Automated method for conducting buy/sell transactions for non-commodity materials or devices | — | 2009-05-05 |
| 7438876 | Multi-stage heat absorbing reactor and process for SCR of NOx and for oxidation of elemental mercury | — | 2008-10-21 |
| 7198769 | Multi-stage process for SCR of NOx | — | 2007-04-03 |
| 7099836 | Automated method for conducting buy/sell transactions for non-commodity materials or devices | — | 2006-08-29 |
| 5415850 | Pillared interlayered clay catalysts for the selective reduction of nitrogen oxides with ammonia | Ralph T. Yang | 1995-05-16 |
| 5106602 | Low temperature catalytic reduction of nitrogen oxides | Jianping Chen, Ralph T. Yang | 1992-04-21 |