Yongning; Wang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yongning; Wang.The latest application filed is for "rotary wheel airtightness detecting machine".
- Yongning; Wang - Qinhuangdao CN
| Patent | Date |
|---|---|
| Rotary wheel airtightness detecting machine Grant 9,562,831 - Bowen , et al. February 7, 2 | 2017-02-07 |
| Apparatus for detecting spring stiffness Grant 9,470,613 - Jinqi , et al. October 18, 2 | 2016-10-18 |
| Casting Equipment App 20150273576 - Honglei; Liu ; et al. | 2015-10-01 |
| Rotary Wheel Airtightness Detecting Machine App 20150276542 - Bowen; Xue ; et al. | 2015-10-01 |
| Apparatus For Detecting Spring Stiffness App 20150260623 - Jinqi; Lyu ; et al. | 2015-09-17 |
| Method For Improving Mechanical Properties Of Aluminum Alloy Castings App 20150252460 - Lisheng; Wang ; et al. | 2015-09-10 |
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