Inventor

LI GUANGQUAN

CN3 patents

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

CHINA PETROLEUM & CHEM CORP

2 patents

US10450837B2Oct 22, 2019

Sleeve fracturing assembly, device using the same and method for using the same

CHINA PETROLEUM & CHEM CORP0 citations44

US12252986B2Mar 18, 2025

Steerable drilling device

CHINA PETROLEUM & CHEM CORP0 citations43

GAN ZHENWEI

1 patent

US9708889B2Jul 18, 2017

Sleeve fracturing assembly, device using the same and method for using the same

GAN ZHENWEI0 citations37