Inventor

HAO QINGZE

CN3 patents

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

INST GEOLOGY & GEOPHYSICS CAS

2 patents

US11287356B1Mar 29, 2022

Variable angle loading testing machine

INST GEOLOGY & GEOPHYSICS CAS8 citations82

US11371921B1Jun 28, 2022

Clamp and shear test device

INST GEOLOGY & GEOPHYSICS CAS2 citations68

CHANGCHUN PUCE TEST INSTR CO LTD

1 patent

US11650140B2May 16, 2023

Pressure-bearing device and sealing method for simulating excavation unloading test of high-energy-storage rock mass

CHANGCHUN PUCE TEST INSTR CO LTD0 citations38