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Patent applications and USPTO patent grants for Koch, III; John E..The latest application filed is for "process and energy-efficient biological treatment system with filtration membrane".
Patent | Date |
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Process and energy-efficient biological treatment system with filtration membrane Grant 7,476,322 - Dimitriou , et al. January 13, 2 | 2009-01-13 |
Energy-efficient biological treatment system with filtration membrane Grant 7,179,370 - Dimitriou , et al. February 20, 2 | 2007-02-20 |
Energy-efficient biological treatment with membrane filtration Grant 7,118,674 - Dimitriou , et al. October 10, 2 | 2006-10-10 |
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