Ruech; Wolfgang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ruech; Wolfgang.The latest application filed is for "method for the purification of wastewaters from melamine systems".
- Ruech; Wolfgang - Taiskirchen AT
| Patent | Date |
|---|---|
| Process for cleaning wastewaters from melamine plants Grant 8,673,158 - Ruech , et al. March 18, 2 | 2014-03-18 |
| Method for producing pure melamine Grant 7,741,481 - Ruech June 22, 2 | 2010-06-22 |
| Thermal water treatment device Grant 7,678,267 - Ruech , et al. March 16, 2 | 2010-03-16 |
| Method For The Purification Of Wastewaters From Melamine Systems App 20090294272 - Ruech; Wolfgang ; et al. | 2009-12-03 |
| Thermal Water Treatment Device and Method App 20090071887 - RUECH; Wolfgang ; et al. | 2009-03-19 |
| Method for Producing Pure Melamin App 20080275234 - Ruech; Wolfgang | 2008-11-06 |
| Thermal water treatment method Grant 7,445,722 - Ruech , et al. November 4, 2 | 2008-11-04 |
| Method for producing melem-free melamine and quenching agents Grant 7,176,309 - Schroder , et al. February 13, 2 | 2007-02-13 |
| Thermal water treatment device and method App 20060011560 - Ruech; Wolfgang ; et al. | 2006-01-19 |
| Method for roducing melem-free melamine and queching agents App 20050131228 - Schroder, Frank ; et al. | 2005-06-16 |
| Method for purifying by-product gases from a melamine manufacturing installation App 20040073027 - Coufal, Gerhard ; et al. | 2004-04-15 |
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