Getzlaf; Donald A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Getzlaf; Donald A..The latest application filed is for "zeolite-containing drilling fluids".
- Getzlaf; Donald A. - Calgary CA
| Patent | Date |
|---|---|
| Zeolite-containing cement composition Grant 7,285,166 - Luke , et al. October 23, 2 | 2007-10-23 |
| Zeolite-containing drilling fluids App 20070032388 - Getzlaf; Donald A. ; et al. | 2007-02-08 |
| Zeolite-containing drilling fluids Grant 7,147,067 - Getzlaf , et al. December 12, 2 | 2006-12-12 |
| Methods of cementing in subterranean zones and cementing compositions therefor App 20060185561 - Fyten; Glen C. ; et al. | 2006-08-24 |
| Methods of cementing and cement compositions containing a polymeric cement cohesion additive Grant 7,059,409 - Fyten , et al. June 13, 2 | 2006-06-13 |
| Methods of cementing and cement compositions containing a polymeric cement cohesion additive App 20060021751 - Fyten; Glen C. ; et al. | 2006-02-02 |
| Zeolite-containing cement composition Grant 6,989,057 - Getzlaf , et al. January 24, 2 | 2006-01-24 |
| Zeolite-containing cement composition Grant 6,964,302 - Luke , et al. November 15, 2 | 2005-11-15 |
| Zeolite-containing cement composition App 20050204962 - Luke, Karen ; et al. | 2005-09-22 |
| Zeolite-containing drilling fluids App 20050000734 - Getzlaf, Donald A. ; et al. | 2005-01-06 |
| Zeolite-containing cement composition App 20040112600 - Luke, Karen ; et al. | 2004-06-17 |
| Zeolite-containing cement composition App 20040107877 - Getzlaf, Donald A. ; et al. | 2004-06-10 |
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