Yu; Jiuzheng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yu; Jiuzheng.The latest application filed is for "stratified waterflooding apparatus".
- Yu; Jiuzheng - Beijing CN
| Patent | Date |
|---|---|
| Stratified waterflooding apparatus Grant 11,008,830 - Hu , et al. May 18, 2 | 2021-05-18 |
| Layered water injection system and layered water injection method Grant 10,890,059 - Yang , et al. January 12, 2 | 2021-01-12 |
| Stratified Waterflooding Apparatus App 20200115991 - HU; Gaixing ; et al. | 2020-04-16 |
| Layered Water Injection System And Layered Water Injection Method App 20190242226 - YANG; Lingzhi ; et al. | 2019-08-08 |
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