Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761863 | Process for the removal of impurities from gas streams | Shuen-Cheng Hwang, Neeraj Saxena, Robert J. Ferrell, Naresh J. Suchak, Lev Davydov +1 more | 2004-07-13 |
| 6506351 | Removal of nitrogen oxides from gas streams | Ravi Jain, Shuen-Cheng Hwang, Mark H. Anderson, Robert Francis Workosky | 2003-01-14 |
| 6387348 | Method for treating spent caustic streams | Robert J. Ferrell, Thulasidas Chellppannair | 2002-05-14 |
| 6231824 | Removal of nitric oxide from gas streams | Mark H. Anderson, Shuen-Cheng Hwang, Robert Francis Workosky | 2001-05-15 |
| 6136284 | Process for the removal of nitrogen oxides from gas streams | Shuen-Cheng Hwang, Mark H. Anderson, Ravi Jain, Neeraj Saxena, Robert Francis Workosky | 2000-10-24 |
| 6113869 | Process for argon purification | Ravi Jain | 2000-09-05 |
| 6077488 | Method and apparatus for producing clean dry air having application to air separation | Ravi Jain | 2000-06-20 |
| 5914455 | Air purification process | Ravi Jain | 1999-06-22 |
| 5906675 | Air purification process | Ravi Jain | 1999-05-25 |
| 5728198 | Process and apparatus for gas purification | Divyanshu R. Acharya, Ravi Jain | 1998-03-17 |