Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5125934 | Argon recovery from argon-oxygen-decarburization process waste gases | Donald L. MacLean | 1992-06-30 |
| 5112590 | Separation of gas mixtures including hydrogen | Steven L. Lerner, Yagya Shukla, Alan G. Stokley | 1992-05-12 |
| 5100447 | Argon recovery from partial oxidation based ammonia plant purge gases | Mark J. Andrecovich, Donald L. MacLean, Karen J. Wright | 1992-03-31 |
| 5100635 | Carbon dioxide production from combustion exhaust gases with nitrogen and argon by-product recovery | Mark J. Andrecovich | 1992-03-31 |
| 5096470 | Hydrogen and carbon monoxide production by hydrocarbon steam reforming and pressure swing adsorption purification | — | 1992-03-17 |
| 5000925 | Hydrogen and carbon dioxide coproduction apparatus | Virginia A. Malik, Alan G. Stokley | 1991-03-19 |
| 4963339 | Hydrogen and carbon dioxide coproduction | Virginia A. Malik, Alan G. Stokley | 1990-10-16 |
| 4816039 | PSA multicomponent separation utilizing tank equalization | Steve L. Lerner, Donald L. MacLean | 1989-03-28 |
| 4758252 | Hydrostatic method employing PSA vent gas pressure for vacuum regeneration | Steven L. Lerner, Donald L. MacLean | 1988-07-19 |
| 4752311 | Argon recovery from ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means | Donald L. MacLean, Steven L. Lerner | 1988-06-21 |
| 4750925 | Argon recovery from hydrogen depleted ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means | Donald L. MacLean, Steven L. Lerner | 1988-06-14 |
| 4689062 | Argon recovery from ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means | Donald L. MacLean, Steven L. Lerner | 1987-08-25 |
| 4687498 | Argon recovery from hydrogen depleted ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means | Donald L. MacLean, Steven L. Lerner | 1987-08-18 |