Liu; Shijiang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liu; Shijiang.The latest application filed is for "methods and apparatus for refurbishing wind turbine foundations".
- Liu; Shijiang - Shanghai CN
| Patent | Date |
|---|---|
| Methods and apparatus for refurbishing wind turbine foundations Grant 10,815,969 - Liu , et al. October 27, 2 | 2020-10-27 |
| Methods and Apparatus for Refurbishing Wind Turbine Foundations App 20190293053 - Liu; Shijiang ; et al. | 2019-09-26 |
| System for lubricating gears in a wind turbine Grant 9,528,500 - Xu , et al. December 27, 2 | 2016-12-27 |
| Wind turbine shadow flicker protection system having a driving mechanism allowing a single light sensor to receive light at different times and directions Grant 9,261,075 - Li , et al. February 16, 2 | 2016-02-16 |
| Wind Turbine Shadow Flicker Protection System App 20150308406 - LI; Rong ; et al. | 2015-10-29 |
| System For Lubricating Gears In A Wind Turbine App 20150114756 - XU; Junqing ; et al. | 2015-04-30 |
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