| Method and apparatus for direct real-time monitoring of surface fouling and … |
2020-3-25 |
2023-1-31 |
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| Method and apparatus for real-time direct film surface monitoring |
2018-4-23 |
2020-12-18 |
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| Disinfection of water mains using ultraviolet light and oxidizing agents |
2018-3-02 |
2018-9-07 |
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| Temporary electrical grounding system having a magnetic component coupled to a … |
2017-3-30 |
2017-7-20 |
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| Water pipe drone for detecting and fixing leaks |
2017-3-28 |
2017-7-13 |
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| Disinfection of water mains using ultraviolet light and oxidizing agents |
2017-3-03 |
2017-6-22 |
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| Geothermal heating and cooling system |
2016-6-15 |
2017-8-31 |
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| Push bottle cap |
2016-4-22 |
2016-7-06 |
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| Press -type bottle cover |
2016-4-22 |
2016-9-14 |
2016-9-14 |
| Simultaneous recovery of coagulant and acid |
2015-5-08 |
2015-12-10 |
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| Ultraviolet disinfection lighting system |
2014-8-29 |
2016-12-13 |
2016-12-13 |
| Simultaneous anoxic biological phosphorus and nitrogen removal |
2014-5-30 |
2014-9-18 |
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| Simultaneous anoxic biological phosphorus and nitrogen removal with energy … |
2014-3-17 |
2017-5-23 |
2017-5-23 |
| Water purifier for supplying mineral water with heating function |
2013-12-03 |
2014-7-16 |
2014-7-16 |
| Disinfection of water mains using ultraviolet light |
2013-7-15 |
2015-1-15 |
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| Water heaters with sealed door assembly |
2013-6-28 |
2013-10-31 |
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| Simultaneous recovery of coagulant and acid |
2012-6-05 |
2013-12-05 |
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| Apparatus and Method for the Injection of Viscous Fertilizer Below the Surface … |
2010-8-03 |
2010-12-16 |
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| Hot water recovery apparatus for reclaiming process water |
2009-11-25 |
2012-7-17 |
2012-7-17 |
| Energy efficient induced air gas water heater |
2009-10-29 |
2010-6-09 |
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| Water heaters with sealed door assemblies |
2009-10-21 |
2010-4-29 |
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| Water heaters with fuel line and door assembly |
2009-10-21 |
2010-4-29 |
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| Water heaters with sealed door assembly |
2009-10-21 |
2010-4-29 |
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| Water heaters with combustion air inlet |
2008-9-30 |
2009-4-01 |
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| Sealable water heater manifold doors |
2008-9-18 |
2010-3-18 |
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| Piezoelectric igniter mounting brackets |
2008-8-07 |
2009-2-08 |
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| Water heater with lint collection detection |
2007-6-13 |
2008-2-07 |
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| Water heater with flammable vapor and co sensors |
2007-3-20 |
2007-9-20 |
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| Fuel supply line connector for water heater mounting bracket |
2007-3-20 |
2007-9-20 |
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| Ultra low nox water heater |
2007-3-20 |
2011-8-16 |
2011-8-16 |
| Water heater with flammable vapor sensor |
2007-3-20 |
2011-5-24 |
2011-5-24 |
| Low co water heater |
2007-2-13 |
2012-8-28 |
2012-8-28 |
| Water heater combustion chamber sensing system |
2006-12-20 |
2010-6-01 |
2010-6-01 |
| Water heater with air intake and exhaust system |
2006-10-31 |
2007-4-12 |
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| Electric water heater with hot water outlet dip tube |
2006-10-08 |
2007-4-11 |
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| Energy saving water heater. |
2006-10-04 |
2007-4-13 |
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| Apparatus and method for the injection of viscous fertilizer below the surface … |
2006-4-24 |
2009-5-28 |
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| Combustion air intake filter |
2005-11-07 |
2006-5-17 |
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| Aqueous conveyor and cutting lubricant |
2004-8-27 |
2006-3-02 |
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| Electric water heater with pulsed electronic control and detection |
2002-10-21 |
2010-1-12 |
2010-1-12 |
| Thermodynamically activated flue damper |
2002-2-19 |
2003-4-15 |
2003-4-15 |
| Automated system for rating pipe segments in a water distribution system |
2001-9-27 |
2014-5-20 |
2014-5-20 |
| Energy saving water heater control |
2001-5-22 |
2003-11-07 |
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| Control of energy saving water heater |
2001-5-18 |
2001-12-12 |
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| Water heater with electronic control |
2001-5-18 |
2001-12-12 |
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| Water heater with electronic control |
2001-5-15 |
2009-8-04 |
2009-8-04 |
| Automated system for rating pipe segments in a water distribution system |
2000-9-22 |
2005-1-04 |
2005-1-04 |
| Control ahorrador de energia para calentador de agua |
2001-5-22 |
2003-11-07 |
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