Inventor

GAO GUANGQI

CN3 patents

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

CHINA PETROLEUM & CHEM CORP

2 patents

US9932784B2Apr 3, 2018

Device for handling oil pipes and method for workover

CHINA PETROLEUM & CHEM CORP8 citations76

US9732570B2Aug 15, 2017

Apparatus for tripping oil pipe and system for automatic well workover

CHINA PETROLEUM & CHEM CORP0 citations31

WANG MINXUAN

1 patent

US8746093B2Jun 10, 2014

Oil pumping unit

WANG MINXUAN0 citations23