Wang; Nianxi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wang; Nianxi.The latest application filed is for "testing device and method for evaluating the effect of co2 on the reaction rate of acid rock plate".
- Wang; Nianxi - Chengdu CN
- Wang; Nianxi - CHENGDU CITY CN
- Wang; Nianxi - Shanghai CN
| Patent | Date |
|---|---|
| Testing method for evaluating the effect of CO2 reaction rate of acid rock plate Grant 11,130,108 - Guo , et al. September 28, 2 | 2021-09-28 |
| Testing device and method for evaluating the effect of CO2 on the reaction rate of acid rock plate App 20200282373 - Guo; Jianchun ; et al. | 2020-09-10 |
| Silty floating mud collection device Grant 9,784,649 - Niu , et al. October 10, 2 | 2017-10-10 |
| Silty Floating Mud Collection Device App 20160153869 - NIU; JIANDING ; et al. | 2016-06-02 |
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