Duan; Yuanfeng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Duan; Yuanfeng.The latest application filed is for "stress monitoring device of elasto-magneto-electric (eme) effect type".
- Duan; Yuanfeng - Hangzhou CN
- Duan; Yuanfeng - Kowloon CN
| Patent | Date |
|---|---|
| Stress monitoring device of elasto-magneto-electric (EME) effect type Grant 9,593,990 - Duan , et al. March 14, 2 | 2017-03-14 |
| Stress Monitoring Device Of Elasto-magneto-electric (eme) Effect Type App 20140298916 - DUAN; Yuanfeng ; et al. | 2014-10-09 |
| Magnetorheological damper and use thereof Grant 7,775,333 - Or , et al. August 17, 2 | 2010-08-17 |
| Magnetorheological damper and use thereof App 20080128230 - Or; Siu Wing ; et al. | 2008-06-05 |
| Magnetorheological damper and use thereof App 20070017758 - Or; Siu Wing ; et al. | 2007-01-25 |
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