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Patent applications and USPTO patent grants for Sathrugnan; Karthikeyan.The latest application filed is for "integrated selenium removal system for waste water".
Patent | Date |
---|---|
Integrated selenium removal system for waste water Grant 9,567,249 - Mierzejewski , et al. February 14, 2 | 2017-02-14 |
Radial flow column Grant 8,758,632 - Arifin , et al. June 24, 2 | 2014-06-24 |
Integrated Selenium Removal System For Waste Water App 20130334134 - Mierzejewski; Marek ;   et al. | 2013-12-19 |
Sulfate removal from aqueous waste streams with recycle App 20120205313 - Sathrugnan; Karthikeyan ;   et al. | 2012-08-16 |
Radial Flow Column App 20110233153 - Arifin; Davis Yohanes ;   et al. | 2011-09-29 |
High Recovery Sulfate Removal Process App 20110163032 - Alexander; Gerald ;   et al. | 2011-07-07 |
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