| 7247279 |
System for removal of pollutants from a gas stream |
John E. Pahlman, Ray V. Huff, Charles Hammel, Richard M. Boren, Kevin P. Kronbeck +3 more |
2007-07-24 |
| 7232782 |
Regeneration, pretreatment and precipitation of oxides of manganese |
Charles Hammel, Richard M. Boren |
2007-06-19 |
| 7041270 |
Pretreatment and regeneration of oxides of manganese |
Charles Hammel, Richard M. Boren |
2006-05-09 |
| 7033548 |
System and process for removal of pollutants from a gas stream |
Steve Carlton, Ray V. Huff, Charles Hammel, Richard M. Boren, Kevin P. Kronbeck +3 more |
2006-04-25 |
| 6974565 |
System and process for removal of pollutants from a gas stream |
John E. Pahlman, Ray V. Huff, Charles Hammel, Richard M. Boren, Kevin P. Kronbeck +3 more |
2005-12-13 |
| 6610263 |
System and process for removal of pollutants from a gas stream |
John E. Pahlman, Steve Carlton, Ray V. Huff, Charles Hammel, Richard M. Boren +3 more |
2003-08-26 |
| 6579507 |
System and process for removal of pollutants from a gas stream |
John E. Pahlman, Steven C. Carlton, Ray V. Huff, Charles Hammel, Richard M. Boren +3 more |
2003-06-17 |
| 5196401 |
Method of enhancing rock fragmentation and extending drill bit life |
William H. Engelmann, Pamela J. Watson, Sanaa E. Khalafalla, John E. Pahlman |
1993-03-23 |
| 4959164 |
Rock fragmentation method |
William H. Engelmann, Pamela J. Watson, John E. Pahlman, Sanaa E. Khalafalla |
1990-09-25 |