Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5388645 | Method for producing methane-containing gaseous mixtures | Rajen Puri | 1995-02-14 |
| 5141733 | High pressure-low pressure steam system for extended Claus sulfur recovery plant | — | 1992-08-25 |
| 5015460 | Condenser-reactor switching units for extended Claus process | — | 1991-05-14 |
| 5015459 | High pressure-low pressure steam system for extended Claus sulfur recovery plant | — | 1991-05-14 |
| 4954331 | Sulfur recovery process using metal oxide absorbent | Min-Hsiun Lee | 1990-09-04 |
| 4871521 | Sulfur recovery process using metal oxide absorbent with improved purge | — | 1989-10-03 |
| 4844720 | Process for removal of hydrogen sulfide and hydrogen polysulfide from liquid sulfur | Russell L. McGalliard | 1989-07-04 |
| 4842843 | Removal of water vapor diluent after regeneration of metal oxide absorbent to reduce recycle stream | — | 1989-06-27 |
| 4797268 | Sulfur recovery process using metal oxide absorbent with regenerator recycle to Claus catalytic reactor | John J. McGovern, Min-Hsiun Lee | 1989-01-10 |
| 4756900 | Recycling of waste heat boiler effluent to an oxygen-enriched Claus reaction furnace | Gary M. Bond | 1988-07-12 |
| 4729887 | Process and apparatus for degassing sulfur | — | 1988-03-08 |
| 4632043 | Method of treating low-quality acid gas and furnace therefor | — | 1986-12-30 |