Hou; Yizhi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hou; Yizhi.The latest application filed is for "in-line water hardness sensor and water softener control system".
- Hou; Yizhi - Milwaukee WI
- HOU; Yizhi - Nanjing CN
- Hou; Yizhi - Shanghai CN
| Patent | Date |
|---|---|
| In-line Water Hardness Sensor And Water Softener Control System App 20220194819 - Zhao; Di ; et al. | 2022-06-23 |
| Membrane Element And Filter Cartridge App 20210023504 - SHEN; Ke ; et al. | 2021-01-28 |
| Reverse Osmosis Membrane Element App 20140042080 - Hou; Yizhi ; et al. | 2014-02-13 |
| Spiral wound reverse osmosis membrane element Grant 8,337,698 - Hou December 25, 2 | 2012-12-25 |
| Spiral wound reverse osmosis membrane element App 20120111787 - Hou; Yizhi | 2012-05-10 |
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