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Patent applications and USPTO patent grants for Duve; Hans.The latest application filed is for "method of treating water with chlorine dioxide".
Patent | Date |
---|---|
Method of treating water with chlorine dioxide Grant 8,663,481 - Duve March 4, 2 | 2014-03-04 |
Method of treating water and aqueous systems in pipes with chlorine dioxide Grant 8,486,276 - Duve July 16, 2 | 2013-07-16 |
Method Of Treating Water With Chlorine Dioxide App 20110220587 - DUVE; Hans | 2011-09-15 |
Method Of Treating Water And Aqueous Systems In Pipes With Chlorine Dioxide App 20100155341 - DUVE; Hans | 2010-06-24 |
Method Of Treating Water With Chlorine Dioxide App 20090159538 - DUVE; Hans | 2009-06-25 |
Process for protecting steam generators from material damage Grant 4,622,306 - Duve November 11, 1 | 1986-11-11 |
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