Stewart; David Ralph
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stewart; David Ralph.The latest application filed is for "monitoring system for well casing".
- Stewart; David Ralph - Richmond TX
| Patent | Date |
|---|---|
| Monitoring system for well casing Grant 9,574,434 - Albrecht , et al. February 21, 2 | 2017-02-21 |
| Monitoring System For Well Casing App 20150176391 - ALBRECHT; Michele Scott ; et al. | 2015-06-25 |
| Monitoring system for well casing Grant 8,973,434 - Albrecht , et al. March 10, 2 | 2015-03-10 |
| Use of fiber optics to monitor cement quality Grant 8,776,609 - Dria , et al. July 15, 2 | 2014-07-15 |
| Use Of Fiber Optics To Monitor Cement Quality App 20120132007 - Dria; Dennis Edward ; et al. | 2012-05-31 |
| Systems And Methods For Monitoring Corrosion In A Well App 20120136577 - Dria; Dennis Edward ; et al. | 2012-05-31 |
| Monitoring System For Well Casing App 20110185807 - Albrecht; Michele Scott ; et al. | 2011-08-04 |
| Apparatus and method for monitoring compaction Grant 6,854,327 - Rambow , et al. February 15, 2 | 2005-02-15 |
| Apparatus and method for monitoring compaction App 20040083808 - Rambow, Frederick Henry Kreisler ; et al. | 2004-05-06 |
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