Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9346010 | Shielding in a separation column | Vladimir Yliy Gershtein, Patrick Alan Houghton, Andrew Weaver, Jonathan Wilson | 2016-05-24 |
| 8480860 | Divided wall columns for smaller sized plants | — | 2013-07-09 |
| 8408026 | Liquid collector and redistributor for packed columns | Clive Chalk, Stephen Graham Sawyer | 2013-04-02 |
| 7604222 | Divided wall exchange column | Ian Robert Zone, Clive Chalk, Swaminathan Sunder | 2009-10-20 |
| 7422197 | Divided wall exchange column | Ian Robert Zone, Clive Chalk, Swaminathan Sunder | 2008-09-09 |
| 7357378 | Divided wall exchange column | Ian Robert Zone, Clive Chalk, Swaminathan Sunder | 2008-04-15 |
| 7234691 | Radial-crossflow distillation trays for divided wall column applications | — | 2007-06-26 |
| 6758463 | Liquid distributor internal baffling | Ian Robert Zone, Raymond Elliott Sacks, Mohammad Ali Kalbassi, Steven R. Auvil | 2004-07-06 |
| 6086055 | Combined vapor/liquid distributor for packed columns | Phillip Andrew Armstrong, James William Meehan | 2000-07-11 |
| 5159816 | Method of purifying argon through cryogenic adsorption | Rakesh Agrawal, Janice C. Peterson | 1992-11-03 |
| 4843829 | Reliquefaction of boil-off from liquefied natural gas | Wayne G. Stuber | 1989-07-04 |
| 4543115 | Dual feed air pressure nitrogen generator cycle | Rakesh Agrawal | 1985-09-24 |