Patent applications and USPTO patent grants for Liu; Qinqin.The latest application filed is for "apparatus for centralized charging of electronic products".
Patent | Date |
---|---|
Apparatus for centralized charging of electronic products Grant 11,239,675 - Dong , et al. February 1, 2 | 2022-02-01 |
Apparatus For Centralized Charging Of Electronic Products App 20200203976 - DONG; Yuwei ;   et al. | 2020-06-25 |
Zero-discharge technique for separating sludge and salt from desulfurization wastewater Grant 10,633,271 - Ji , et al. | 2020-04-28 |
Zero-discharge Technique For Separating Sludge And Salt From Desulfurization Wastewater App 20190077686 - JI; Xianhua ;   et al. | 2019-03-14 |
Process for preparing various morphology NTE compound ZrW.sub.0.5Mo.sub.1.5O.sub.8 Grant 9,090,480 - Cheng , et al. July 28, 2 | 2015-07-28 |
Process for Preparing Various Morphology NTE Compound ZrW0.5Mo1.5O8 App 20120137960 - Cheng; Xiaonong ;   et al. | 2012-06-07 |
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