Xu; Zhongnan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Xu; Zhongnan.The latest application filed is for "elevator operation quality detecting system and detecting method".
- Xu; Zhongnan - Fujian CN
- XU; ZHONGNAN - FUZHOU CN
- Xu; Zhongnan - Lianyungang CN
- XU; Zhongnan - Lianyungang City CN
| Patent | Date |
|---|---|
| Elevator operation quality tester Grant 11,365,089 - Zhang , et al. June 21, 2 | 2022-06-21 |
| Elevator Operation Quality Detecting System And Detecting Method App 20210122611 - ZENG; QINDA ; et al. | 2021-04-29 |
| Elevator Operation Quality Tester App 20200223662 - Zhang; Wei ; et al. | 2020-07-16 |
| Use of quinoline derivatives for treating oesophageal cancer and treatment method, pharmaceutical composition and kit thereof Grant 10,561,647 - Wang , et al. Feb | 2020-02-18 |
| Use Of Quinoline Derivatives For Treating Oesophageal Cancer And Treatment Method, Pharmaceutical Composition And Kit Thereof App 20190022082 - WANG; Xunqiang ; et al. | 2019-01-24 |
| SEC | 0001285467 | XU ZHONGNAN |
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