Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11446602 | Process for removal of sulfur dioxide and ammonia from a vent gas stream | Michael F. Ray | 2022-09-20 |
| 7655211 | Process for producing ammonium thiosulfate | Mark Anderson, Michael F. Ray | 2010-02-02 |
| 7575732 | Process for treating a gas stream | Mark Anderson, Michael F. Ray | 2009-08-18 |
| 7390470 | Process for treating a gas stream | Mark Anderson, Michael F. Ray | 2008-06-24 |
| 6534030 | Process for producing ammonium thiosulfate | Mark Anderson, Sidney P. White | 2003-03-18 |
| 4540381 | Selectively operable rotary drive means | Edward W. Molloy | 1985-09-10 |
| 4460554 | Method of removing H.sub.2 S from a gas stream utilizing boron-vanadium, quinone solution and iron scavaging composition | — | 1984-07-17 |
| 4400361 | Method of removing H.sub.2 S from a gas stream utilizing boron-vanadium and iron complexes | — | 1983-08-23 |