Gui; Xinchun
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gui; Xinchun.The latest application filed is for "water hammer-proof air valve and water hammer-proof exhaust method for in-use pipeline".
- Gui; Xinchun - Hunan CN
- Gui; Xinchun - Zhuzhou CN
| Patent | Date |
|---|---|
| Water hammer-proof air valve and water hammer-proof exhaust method for in-use pipeline Grant 10,690,262 - Huang , et al. | 2020-06-23 |
| Tilting disc check valve Grant 10,107,405 - Huang , et al. October 23, 2 | 2018-10-23 |
| Water Hammer-proof Air Valve And Water Hammer-proof Exhaust Method For In-use Pipeline App 20180149287 - HUANG; Jing ; et al. | 2018-05-31 |
| Tilting Disc Check Valve App 20160053904 - HUANG; Jing ; et al. | 2016-02-25 |
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