Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11041112 | Breaker systems for wellbore treatment operations for use at varying temperatures | Robert S. Taylor, Michael W. Sanders | 2021-06-22 |
| 8596346 | Coal fines flocculation from produced water using oil-soluble phosphate ester | Matthew Gersbach | 2013-12-03 |
| 7332026 | Cementitious compositions containing interground cement clinker and zeolite | Karen Luke, Keith A. Rispler | 2008-02-19 |
| 7326291 | Cementitious compositions containing interground cement clinker and zeolite | Karen Luke, Keith A. Rispler | 2008-02-05 |
| 7303015 | Cementitious compositions containing interground cement clinker and zeolite | Karen Luke, Keith A. Rispler | 2007-12-04 |
| 7285166 | Zeolite-containing cement composition | Karen Luke, B. Raghava Reddy, Russell M. Fitzgerald, Frank Zamora, Keith A. Rispler +3 more | 2007-10-23 |
| 7285164 | Fluid loss additives for cement slurries | Karen Luke, Russell M. Fitzgerald, Robert S. Taylor, Keith A. Rispler | 2007-10-23 |
| 7182137 | Cementitious compositions containing interground cement clinker and zeolite | Karen Luke, Keith A. Rispler | 2007-02-27 |
| 7140440 | Fluid loss additives for cement slurries | Karen Luke, Russell M. Fitzgerald, Robert S. Taylor, Keith A. Rispler | 2006-11-28 |
| 7059409 | Methods of cementing and cement compositions containing a polymeric cement cohesion additive | Donald Getzlaf | 2006-06-13 |
| 6989057 | Zeolite-containing cement composition | Donald Getzlaf, Karen Luke, Keith A. Rispler, Russell M. Fitzgerald | 2006-01-24 |
| 6964302 | Zeolite-containing cement composition | Karen Luke, B. Raghava Reddy, Russell M. Fitzgerald, Frank Zamora, Keith A. Rispler +3 more | 2005-11-15 |