Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12215580 | Differential pressure sliding sleeve, and oil and gas well fracturing construction method using same | Shunqu Hu, Yongmao Lin, Wei Zhao, Wei Lei, Zhimin Hou +4 more | 2025-02-04 |
| 11248444 | Tool for opening sliding sleeve | Zhenwei Gan, Bin Qi, Zhimin Hou, Shunqu Hu, Wei Zhao +4 more | 2022-02-15 |
| 11236590 | Device for jet packing and fracturing and tubular column comprising same | Zhenwei Gan, Bin Qi, Zhimin Hou, Shunqu Hu, Wei Lei +4 more | 2022-02-01 |
| 11047739 | Measurement device and measurement method for measuring temperature and emissivity of a measured surface | Xunjian Che, Qixian Xie, Lizhong Wang | 2021-06-29 |
| 10436400 | Ceiling mounting structure | Guo Hua Lan, Fu Pai Tian | 2019-10-08 |
| 10288228 | Lamp fixture and surface mounted tube lamp | Zong Hui Chen, Yao Zhou | 2019-05-14 |
| 8661891 | Apparatus and method for measuring the liquid level of molten metal | Zhenwei Hu, Ying Ci, Da Zhang | 2014-03-04 |
| 8104954 | Apparatus and method for measuring the surface temperature of continuous casting billet/slab | Zhenwei Hu, Ying Ci, Da Zhang | 2012-01-31 |
| 6846105 | Method for continuously measuring melting steel temperature and measuring temperature pipe | Rujun Chen, Hongji Meng | 2005-01-25 |