Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6128922 | Distillation method and column | Mary Dean, Richard W. Potthoff, Ramachandran Krishnamurthy | 2000-10-10 |
| 6113672 | Multiple equalization pressure swing adsorption process | Akhilesh Kapoor, Yudong Chen, Ravi Kumar, Simon Davies | 2000-09-05 |
| 6083299 | High pressure purge pressure swing adsorption process | Akhilesh Kapoor, Yudong Chen, Ravi Kumar, Simon Davies | 2000-07-04 |
| 5980857 | Production of carbon monoxide from syngas | Akhilesh Kapoor, Yudong Chen, Simon Davies, Ravi Kumar | 1999-11-09 |
| 5657624 | Integrated production of oxygen and electric power | Doohee Kang, Rodney John Allam, Anthony K. J. Topham | 1997-08-19 |
| 5643354 | High temperature oxygen production for ironmaking processes | Rakesh Agrawal, Michael S. Chen, Arthur Ramsden Smith, Thomas Ward | 1997-07-01 |
| 5565017 | High temperature oxygen production with steam and power generation | Doohee Kang, Rodney John Allam, Anthony K. J. Topham, Steven Lee Russek | 1996-10-15 |
| 5516359 | Integrated high temperature method for oxygen production | Doohee Kang, Rajagopalan Srinivasan, Edward P. Foster | 1996-05-14 |
| 5447555 | Oxygen production by staged mixed conductor membranes | Terrence F. Ye, Rajagopalan Srinivasan | 1995-09-05 |
| 5299749 | Method of winding hollow fiber membranes | Robin Joyce Maliszewskyj, Myron J. Coplan, Pushpinder S. Puri | 1994-04-05 |
| 5269822 | Process for recovering oxygen from gaseous mixtures containing water or carbon dioxide which process employs barium-containing ion transport membranes | Michael Francis Carolan, Paul N. Dyer, Stephen M. Fine, James M. LaBar, Sr. | 1993-12-14 |
| 5261932 | Process for recovering oxygen from gaseous mixtures containing water or carbon dioxide which process employs ion transport membranes | Michael Francis Carolan, Paul N. Dyer, James M. LaBar, Sr. | 1993-11-16 |
| 5240480 | Composite mixed conductor membranes for producing oxygen | Rajagopalan Srinivasan, Terrence F. Yee, Miles P. Drake | 1993-08-31 |
| 5240473 | Process for restoring permeance of an oxygen-permeable ion transport membrane utilized to recover oxygen from an oxygen-containing gaseous mixture | Michael Francis Carolan, Paul N. Dyer, James M. LaBar, Sr. | 1993-08-31 |
| 5049174 | Hybrid membrane - cryogenic generation of argon concurrently with nitrogen | Wilman Tsai, Robert F. Weimer, David Hon Sing Ying | 1991-09-17 |
| 4871382 | Air separation process using packed columns for oxygen and argon recovery | Douglas L. Bennett, Rodney John Allam, Alan L. Prentice, Bruce K. Dawson | 1989-10-03 |
| 4869742 | Air separation process with waste recycle for nitrogen and oxygen production | Thomas M. Roden | 1989-09-26 |
| 4869883 | Inert gas purifier for bulk nitrogen without the use of hydrogen or other reducing gases | William T. Kleinberg | 1989-09-26 |
| 4867773 | Cryogenic process for nitrogen production with oxygen-enriched recycle | Thomas M. Roden, Jeffrey A. Hopkins | 1989-09-19 |
| 4848996 | Nitrogen generator with waste distillation and recycle of waste distillation overhead | Thomas M. Roden | 1989-07-18 |
| 4699209 | Heat exchanger design for cryogenic reboiler or condenser service | — | 1987-10-13 |
| 4653572 | Dual-zone boiling process | Douglas L. Bennett, Alexander Schwarz | 1987-03-31 |
| 4576121 | Convective heater | — | 1986-03-18 |
| 4422411 | Convective heater | — | 1983-12-27 |
| 4414094 | Solvent refined coal reactor quench system | — | 1983-11-08 |