Gertenbach; Dennis D
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gertenbach; Dennis D.The latest application filed is for "systems and methods for improved metal recovery using ammonia leaching".
- Gertenbach; Dennis D - Lakewood CO
- Gertenbach; Dennis D. - Lakewood CO
- Gertenbach; Dennis D. - Golden CO
| Patent | Date |
|---|---|
| Systems and methods for improved metal recovery using ammonia leaching Grant 10,662,502 - Robertson , et al. | 2020-05-26 |
| Systems And Methods For Improved Metal Recovery Using Ammonia Leaching App 20180298505 - Robertson; Joanna M ; et al. | 2018-10-18 |
| Systems and methods for improved metal recovery using ammonia leaching Grant 10,006,133 - Robertson , et al. June 26, 2 | 2018-06-26 |
| Systems And Methods For Improved Metal Recovery Using Ammonia Leaching App 20160068977 - Robertson; Joanna M. ; et al. | 2016-03-10 |
| Systems and methods for improved metal recovery using ammonia leaching Grant 9,187,803 - Robertson , et al. November 17, 2 | 2015-11-17 |
| Systems and methods for improved metal recovery using ammonia leaching Grant 9,175,366 - Robertson , et al. November 3, 2 | 2015-11-03 |
| Systems And Methods For Improved Metal Recovery Using Ammonia Leaching App 20140260807 - Robertson; Joanna M. ; et al. | 2014-09-18 |
| Systems And Methods For Improved Metal Recovery Using Ammonia Leaching App 20140260806 - Robertson; Joanna M. ; et al. | 2014-09-18 |
| Silica removal from pregnant leach solutions Grant 8,506,673 - Gillaspie , et al. August 13, 2 | 2013-08-13 |
| Silica Removal From Pregnant Leach Solutions App 20120125160 - Gillaspie; James D ; et al. | 2012-05-24 |
| Silica removal from pregnant leach solutions Grant 8,114,365 - Gillaspie , et al. February 14, 2 | 2012-02-14 |
| Silica Removal From Pregnant Leach Solutions App 20110000337 - Gillaspie; James D. ; et al. | 2011-01-06 |
| Silica removal from pregnant leach solutions Grant 7,691,347 - Gillaspie , et al. April 6, 2 | 2010-04-06 |
| Silica Removal From Pregnant Leach Solutions App 20090074640 - Gillaspie; James D. ; et al. | 2009-03-19 |
| Viscosity reduction processing at elevated pressure Grant 4,778,586 - Bain , et al. October 18, 1 | 1988-10-18 |
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