Inventor

DUAN HUIQIANG

CN2 patents

⚠️ This page may combine multiple inventors who share the name “DUAN HUIQIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV SHANDONG SCIENCE & TECH

1 patent

US10787906B2Sep 29, 2020

Roadway forming method by expanding excavating and filling gangue paste in thick coal seam

UNIV SHANDONG SCIENCE & TECH2 citations59

KEDE NUMERICAL CONTROL CO LTD

1 patent

US12090595B2Sep 17, 2024

Horizontal five-axis plate conversion machining center

KEDE NUMERICAL CONTROL CO LTD0 citations41