NL

Ning Li

UN Unknown: 2 patents #108 of 3,345Top 4%
BH Beijing Huamei: 1 patents #12 of 36Top 35%
CU Cnpc Usa: 1 patents #20 of 43Top 50%
📍 Jilin, TX: #1 of 1 inventorsTop 100%
Overall (2024): #72,274 of 561,600Top 15%
3
Patents 2024

Issued Patents 2024

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12025008 Vertical orthogonal top exhausting air duct structure of deeply-buried subway station and construction method therefor Fucai Hua, Gang Lei, Zhihui Yang, Zhiyong Zhu, Guangliang Zheng +5 more 2024-07-02
12011773 Cutting elements with reduced variable back rake angle Jiaqing Yu, Chris Cheng, David He, Kevin Waddell, Xu Wang +2 more 2024-06-18
11959243 Method for constructing large-span station with two-wing open type half-cover excavation and half-reverse construction Fucai Hua, Gang Lei, Zhihui Yang, Jianye Zhu, Liang Zhang +2 more 2024-04-16