Song; Dongri
Patent Applications and Registrations
Patent applications and USPTO patent grants for Song; Dongri.The latest application filed is for "method for regulating and controlling discharge flow of dammed lake".
- Song; Dongri - Hong Kong CN
- Song; Dongri - Sichuan CN
- Song; Dongri - Chengdu CN
| Patent | Date |
|---|---|
| Bi-linear energy dissipating and shock absorbing device for cable subjected to tension Grant 11,448,280 - Ng , et al. September 20, 2 | 2022-09-20 |
| Flexible barrier and designing method thereof Grant 11,015,309 - Song , et al. May 25, 2 | 2021-05-25 |
| Method for regulating and controlling discharge flow of dammed lake App 20200308788 - Song; Dongri ; et al. | 2020-10-01 |
| Flexible barrier and designing method thereof App 20180291571 - Song; Dongri ; et al. | 2018-10-11 |
| Bi-linear Energy Dissipating And Shock Absorbing Device For Cable Subjected To Tension App 20180274618 - Ng; Charles Wang Wai ; et al. | 2018-09-27 |
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