Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849203 | Sulfur recovery plant and process using oxygen | — | 1989-07-18 |
| 4822591 | Two-reactor, high-recovery sulfur plant and process | Robert L. Reed | 1989-04-18 |
| 4798716 | Sulfur recovery plant and process using oxygen | — | 1989-01-17 |
| 4643888 | Process and apparatus for recovery of sulfur from ammonia containing acid gas streams | — | 1987-02-17 |
| 4601330 | Cooling and condensing of sulfur and water from Claus process gas | Lorenz V. Kunkel | 1986-07-22 |
| 4526590 | Cooling and condensing of sulfur and water from Claus process gas | Lorenz V. Kunkel | 1985-07-02 |
| 4473541 | Low water content sulfur recovery process | — | 1984-09-25 |
| 4426369 | Low temperature Claus process with water removal | — | 1984-01-17 |
| 4400369 | Apparatus and process for recovering heat emanating from the shell of a thermal reactor in a sulfur recovery plant | — | 1983-08-23 |
| 4391790 | Method and apparatus for reducing the ammonia concentration of sulfur recovery facility gas streams | Robert L. Reed | 1983-07-05 |
| 4391791 | Low temperature sulfur recovery | Richard Mungen | 1983-07-05 |