Inventor

YANG WENXIN

CN2 patents

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

CHINA NAT PETROLEUM CORP

1 patent

US11149496B2Oct 19, 2021

Coupling apparatus for coiled tubings of different diameters, installing method for coupling apparatus, and installing method for tubings of different diameters using coupling apparatus

CHINA NAT PETROLEUM CORP0 citations40

CHINA INST WATER RESOURCES & HYDROPOWER RES

1 patent

US12152173B2Nov 26, 2024

Composite polyester hot-melt adhesive and preparation method thereof and preparation method of anti-scouring geotextile

CHINA INST WATER RESOURCES & HYDROPOWER RES0 citations39