Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9170584 | Water circulation system valve assemblies having water temperature control | Dale Kempf | 2015-10-27 |
| 9139985 | Method and system for controlled release of hot water from a fixture | Dale Kempf | 2015-09-22 |
| 8820652 | Bypass valve for a water circulation system | Dale Kempf | 2014-09-02 |
| 8820653 | Water control fixture having bypass valve | Dale Kempf | 2014-09-02 |
| 8522814 | Water control valve assembly | Dale Kempf | 2013-09-03 |
| 8505830 | Water control fixture having bypass valve | Dale Kempf | 2013-08-13 |
| 8434510 | Water circulation system valve assemblies having water temperature control | Dale Kempf | 2013-05-07 |
| 8231064 | Water control fixture having auxiliary functions | Dale Kempf | 2012-07-31 |
| 8231146 | Electrolysis-resistant coupling assembly | — | 2012-07-31 |
| 8210441 | Water control fixture having a failed closed bypass valve | Dale Kempf | 2012-07-03 |
| 8091793 | Water control fixture having bypass valve | Dale Kempf | 2012-01-10 |
| 7971601 | Water circulation system valve assemblies having water temperature control | Dale Kempf | 2011-07-05 |
| 7938450 | Integral universal coupling assembly for a fluid distribution system and method of using the same | — | 2011-05-10 |
| 7874498 | Water control fixture having thermostatically controlled bypass valve | Dale Kempf | 2011-01-25 |
| 7740182 | Method and system for controlled release of hot water from a fixture | Dale Kempf | 2010-06-22 |
| 7712797 | Universal fluid coupling assembly with interchangeable fitting members | — | 2010-05-11 |
| 7648078 | Water control fixture having bypass valve | Dale Kempf | 2010-01-19 |
| 7604217 | Electrolysis-resistant coupling assembly for valves | — | 2009-10-20 |
| 7475703 | Thermostatically controlled bypass valve | Dale Kempf | 2009-01-13 |
| 7287707 | Water control fixture having thermostatically controlled bypass valve | Dale Kempf | 2007-10-30 |
| 7198059 | Apparatus and system for retrofitting water control valves | Dale Kempf | 2007-04-03 |
| 7140382 | Water circulating system having thermostatically controlled bypass valve | Dale Kempf | 2006-11-28 |
| 7073528 | Water pump and thermostatically controlled bypass valve | Dale Kempf | 2006-07-11 |
| 6929187 | Water control fixture having thermostatically controlled bypass valve | Dale Kempf | 2005-08-16 |
| 6536464 | Thermostatically controlled bypass valve and water circulating system for same | Dale Kempf, Keith Harris | 2003-03-25 |