Inventor

LIU YUANKUN

CN3 patents

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

CHANGJIANG RIVER SCIENT RES INST CHANGJIANG WATER RESOURCES COMMISSION

1 patent

US11513044B2Nov 29, 2022

Split-type device for measuring rock mass deformation under high hydraulic pressure and construction method and use thereof

CHANGJIANG RIVER SCIENT RES INST CHANGJIANG WATER RESOURCES COMMISSION2 citations60

CHANGJING RIVER SCIENT RESEARCH INSTITUTE

1 patent

US12264582B2Apr 1, 2025

In-situ stress measurement device and method for ultra-deep non-vertical drilling

CHANGJING RIVER SCIENT RESEARCH INSTITUTE0 citations38

BEIJING AEROSPACE KAIEN NEW & ADVANCED MAT CO LTD

1 patent

US12465103B2Nov 11, 2025

Comfortable lightweight bullet-proof and stab-resistant suit and preparation method thereof

BEIJING AEROSPACE KAIEN NEW & ADVANCED MAT CO LTD0 citations35