Liu; Weizhou
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liu; Weizhou.The latest application filed is for "automatic die cleaning device with reusable cleaning fluid".
- Liu; Weizhou - Qinhuangdao CN
| Patent | Date |
|---|---|
| Spray tray device capable of rotatably spraying die lubricant Grant 11,400,469 - Yang , et al. August 2, 2 | 2022-08-02 |
| Rotating spray device for lubricant Grant 11,207,700 - Yang , et al. December 28, 2 | 2021-12-28 |
| Forging and inclined window hole punching composite die Grant 11,203,052 - Xu , et al. December 21, 2 | 2021-12-21 |
| Automatic Die Cleaning Device With Reusable Cleaning Fluid App 20200331041 - Yang; Jinling ; et al. | 2020-10-22 |
| Spray Tray Device Capable Of Rotatably Spraying Die Lubricant App 20200298258 - YANG; Jinling ; et al. | 2020-09-24 |
| Die Lubricant Rotating Spray Tray Device App 20200300410 - Yang; Jinling ; et al. | 2020-09-24 |
| Rotating Spray Device For Lubricant App 20200298259 - Yang; Jinling ; et al. | 2020-09-24 |
| Forging And Inclined Window Hole Punching Composite Die App 20200261963 - YANG; Jinling ; et al. | 2020-08-20 |
| Wheel Automatic Closed Die Forging Production Line And Aluminum Alloy Wheel App 20200222971 - YANG; Jinling ; et al. | 2020-07-16 |
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