Pewitt; Keith D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pewitt; Keith D..The latest application filed is for "cement testing".
- Pewitt; Keith D. - Duncan OK
- Pewitt; Keith D - Duncan OK
| Patent | Date |
|---|---|
| Cement testing Grant 9,594,009 - Meadows , et al. March 14, 2 | 2017-03-14 |
| Cement testing Grant 8,783,091 - Meadows , et al. July 22, 2 | 2014-07-22 |
| Cement Testing App 20140137660 - Meadows; David L. ; et al. | 2014-05-22 |
| Cement Compositions Comprising Saponins and Associated Methods App 20130319673 - Pewitt; Keith D. ; et al. | 2013-12-05 |
| Compositions for modifying rheological properties of cement systems App 20110275736 - Iverson; Benjamin J. ; et al. | 2011-11-10 |
| Cement Testing App 20110094295 - Meadows; David L. ; et al. | 2011-04-28 |
| Sorel cements and methods of making and using same Grant 7,654,326 - Santra , et al. February 2, 2 | 2010-02-02 |
| Sorel cements and methods of making and using same App 20100006288 - Santra; Ashok ; et al. | 2010-01-14 |
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