Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7651663 | Appliance using a water hardness sensor system and method of operating the same | Raul Eduardo Ayala, Todd Vincent Graves, Andrew Michael Leach | 2010-01-26 |
| 7356865 | Apparatus and method for removing contaminants from dry cleaning solvent | David Joseph Najewicz | 2008-04-15 |
| 7261820 | Method for decreasing a concentration of metal in aqueous solution | Brian Blakey, Bang M. Kim, Angelo Anthony Bracco | 2007-08-28 |
| 7132052 | System for the purification and reuse of spent brine in a water softener | Raul Eduardo Ayala | 2006-11-07 |
| 6814872 | Controller and method for controlling regeneration of a water softener | — | 2004-11-09 |
| 6808639 | Method and apparatus for reducing the amount of hydrogen sulfide in effluent of a water heater | Richard Leland Butsch | 2004-10-26 |