Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691532 | Air separation units | Thomas R. Stringer, Joseph P. Naumovitz, Alexander Edmiston, Ramachandran Krishnamurthy, Joseph Patriarca | 2004-02-17 |
| 6358302 | Purification of gases using multi-composite adsorbent | Shuguang Deng, Ravi Kumar, Rudolph J. Wolf | 2002-03-19 |
| 6284021 | Composite adsorbent beads for adsorption process | Yaping Lu, Shain-Jer Doong, Martin Bulow, Dongmin Shen, Divyanshu R. Acharya +2 more | 2001-09-04 |
| 5185139 | Carbon dioxide production from combustion exhaust gases with nitrogen and argon by-product recovery | Ramachandran Krishnamurthy | 1993-02-09 |
| 5100447 | Argon recovery from partial oxidation based ammonia plant purge gases | Ramachandran Krishnamurthy, Donald L. MacLean, Karen J. Wright | 1992-03-31 |
| 5100635 | Carbon dioxide production from combustion exhaust gases with nitrogen and argon by-product recovery | Ramachandran Krishnamurthy | 1992-03-31 |
| 5043461 | Process for the production of oxides | Ramakrishnan Ramachandran, Donald L. MacLean, Donald P. Satchell, Jr. | 1991-08-27 |
| 4943650 | Process for the production of nitriles | Ramakrishnan Ramachandran, Donald L. MacLean, Donald P. Satchell, Jr. | 1990-07-24 |
| 4861361 | Argon and nitrogen coproduction process | Ravi Jain, Alberto I. LaCava, Donald L. MacLean | 1989-08-29 |