Inventor

LI MENGGANG

CN3 patents

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

UNIV NINGXIA

2 patents

US11541586B2Jan 3, 2023

Processing technology for making seepage irrigation pipe with alternate effluent section and non-effluent section

UNIV NINGXIA0 citations52

US10786937B2Sep 29, 2020

Processing technology for making seepage irrigation pipe with alternate effluent section and non-effluent section

UNIV NINGXIA0 citations42

CHINA PETROLEUM & CHEM CORP

1 patent

US11814944B2Nov 14, 2023

Reactive torque automatic balancing device for screw drilling tool, drilling string, and method

CHINA PETROLEUM & CHEM CORP0 citations38