Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202057 | Production of ammonia synthesis gas | David M. Nicholas, Ravi Kumar, Wilbur C. Kratz | 1993-04-13 |
| 5068058 | Production of ammonia synthesis gas | David M. Nicholas, Shoou-I Wang, Nitin M. Patel | 1991-11-26 |
| 4988490 | Adsorptive process for recovering nitrogen from flue gas | David M. Nicholas, Ravi Kumar, Wilbur C. Kratz | 1991-01-29 |
| 4861351 | Production of hydrogen and carbon monoxide | David M. Nicholas, Jeffrey A. Hopkins | 1989-08-29 |
| 4846851 | Purification of ammonia syngas | David E. Guro, David M. Nicholas | 1989-07-11 |
| 4836833 | Production and recovery of hydrogen and carbon monoxide | David M. Nicholas, Stephen P. Goff, Thomas M. Roden | 1989-06-06 |
| 4732596 | Gas separation process | David M. Nicholas, Jeffrey A. Hopkins, Thomas M. Roden | 1988-03-22 |