Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084013 | Method and apparatus for degasification of claus-derived sulfur | David K. Stevens, Lindsay D. Dreitzler, Alan D. Mosher | 2011-12-27 |
| 6884282 | Method and system for increasing the absorption selectivity of H2S from a gas containing CO2 and H2S | David K. Stevens, Kevin M. Robertson, Lindsay Wedel Dreitzler | 2005-04-26 |