Kou; Beibei
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kou; Beibei.The latest application filed is for "natural gas hydrate rotary pressure-retaining corer".
- Kou; Beibei - Guangzhou CN
- KOU; Beibei - Guangzhou City CN
| Patent | Date |
|---|---|
| Natural gas hydrate pressure-retaining corer Grant 10,837,247 - Qin , et al. November 17, 2 | 2020-11-17 |
| Natural gas hydrate rotary pressure-retaining corer Grant 10,822,903 - Ye , et al. November 3, 2 | 2020-11-03 |
| Natural Gas Hydrate Rotary Pressure-retaining Corer App 20200181998 - YE; Jianliang ; et al. | 2020-06-11 |
| Natural Gas Hydrate Pressure-retaining Corer App 20190368294 - QIN; Xuwen ; et al. | 2019-12-05 |
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