LIU; Jianan
Patent Applications and Registrations
Patent applications and USPTO patent grants for LIU; Jianan.The latest application filed is for "method and device for carrying out grouting between adjacent gateroads in internal-staggered split-level coal mining".
- LIU; Jianan - Taiyuan CN
- Liu; Jianan - Nanjing CN
- Liu; Jianan - Beijing CN
- LIU; Jianan - Shanghai CN
| Patent | Date |
|---|---|
| Method And Device For Carrying Out Grouting Between Adjacent Gateroads In Internal-staggered Split-level Coal Mining App 20220282619 - FENG; Guorui ; et al. | 2022-09-08 |
| Battery Pack And Combination Of A Power Tool And The Battery Pack App 20220109217 - Dong; Zhijun ; et al. | 2022-04-07 |
| Battery Pack And Charging Management Method Thereof App 20210281083 - Liu; Jianan | 2021-09-09 |
| Antenna structure and signal reception of electronic device Grant 10,812,170 - Liu , et al. October 20, 2 | 2020-10-20 |
| Method For Constructing Size And Value Indices Of China's Stock Market App 20200175593 - YUAN; Yu ; et al. | 2020-06-04 |
| Antenna Structure And Signal Reception Of Electronic Device App 20200136716 - LIU; Jianan ; et al. | 2020-04-30 |
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