Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020838 | Contacting stages for co-current contacting apparatuses | Thomas C. Heldwein, Joseph Agnello, Zhanping Xu, Brian J. Nowak | 2011-09-20 |
| 7618472 | Vane-type demister | Joseph Agnello, Thomas C. Heldwein, Zhanping Xu | 2009-11-17 |
| 7424999 | Co-current vapor-liquid contacting apparatus | Zhanping Xu, Brian J. Nowak, Thomas C. Heldwein, Joseph Agnello, Andrew J. Criscione | 2008-09-16 |
| 6095504 | Supports for stacked fractionation tray end pieces | Thomas C. Heldwein, Nicholas F. Urbanski, Michael R. Resetarits | 2000-08-01 |