Jinan
China
3
2026-04-16
The entities that hold a legal rights for patent applications filed by inventor CHEN Mengjun:
Mengjun CHEN from Jinan, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
PRESSURE-CONTROLLED TUNNEL DIRECTIONAL GROUTING-BASED REINFORCEMENT DEVICES
#2 | 2022-03-03Expansive polymer grouting material for treating high-pressure large-flow-rate karst water inrush and preparation method thereof
#3 | 2022-02-17Karst channel type water inrush efficient-blocking ultra-high expansion grouting material and preparation and using methods and application thereof
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