Patent applications and USPTO patent grants for CHEN; Yifang.The latest application filed is for "novel anti-impact device and working method thereof".
Patent | Date |
---|---|
Novel Anti-impact Device And Working Method Thereof App 20220204060 - WANG; Chenglong ;   et al. | 2022-06-30 |
Magnetically Controlled Material-based Magnetorheological Pilot Operated Safety Valve For Hydraulic Support, And Applications Of The Same App 20220090697 - WANG; Chenglong ;   et al. | 2022-03-24 |
Isolation mount for shock attenuation Grant 9,909,641 - Chen , et al. March 6, 2 | 2018-03-06 |
Isolation Mount For Shock Attenuation App 20170299012 - Chen; Yifang ;   et al. | 2017-10-19 |
Venous Access Implantable Port App 20170128709 - Chen; Yifang | 2017-05-11 |
Handle for implements such as hair curling brushes Grant 6,003,188 - Henry , et al. December 21, 1 | 1999-12-21 |
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