loadpatents
Patent applications and USPTO patent grants for Zhai; Xiaonan.The latest application filed is for "variable stroke pump".
Patent | Date |
---|---|
Tilt linkage for variable stroke pump Grant 11,401,921 - Wang , et al. August 2, 2 | 2022-08-02 |
Variable Stroke Pump App 20220018339 - Wang; Jianke ;   et al. | 2022-01-20 |
Variable stroke pump Grant 11,162,480 - Wang , et al. November 2, 2 | 2021-11-02 |
Tilt Linkage For Variable Stroke Pump App 20210332809 - Wang; Jianke ;   et al. | 2021-10-28 |
Tilt linkage for variable stroke pump Grant 11,067,069 - Wang , et al. July 20, 2 | 2021-07-20 |
Variable Stroke Pump App 20210140415 - Wang; Jianke ;   et al. | 2021-05-13 |
Tilt Linkage For Variable Stroke Pump App 20210123421 - Wang; Jianke ;   et al. | 2021-04-29 |
Tilt linkage for variable stroke pump Grant 10,670,003 - Wang , et al. | 2020-06-02 |
Pump Valve With Seal Retaining Structure App 20190316685 - WANG; Jianke ;   et al. | 2019-10-17 |
Pump Valve With Seal Retaining Structure App 20190316581 - WANG; Jianke ;   et al. | 2019-10-17 |
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