Inventor

TIAN FUCHAO

CN4 patents

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

CHINA COAL TECH & ENGINEERING GROUP SHENYANG ENGINEERING COMPANY

1 patent

US12140013B1Nov 12, 2024

Sealing quality detection device and sealing quality evaluating method for gas extraction boreholes

CHINA COAL TECH & ENGINEERING GROUP SHENYANG ENGINEERING COMPANY1 citations48

CCTEG (CHINA COAL TECH AND ENG GROUP CORP)

1 patent

US9702814B2Jul 11, 2017

Systems and methods of infrared detection of coal mine polar gas

CCTEG (CHINA COAL TECH AND ENG GROUP CORP)0 citations39

CCTEG CHINA COAL TECH AND ENGINEERING GROUP CORP

1 patent

US9927353B2Mar 27, 2018

Systems and methods of infrared detection of coal mine polar gas

CCTEG CHINA COAL TECH AND ENGINEERING GROUP CORP0 citations37

CCTEG SHENYANG RES INST

1 patent

US12467853B2Nov 11, 2025

On-line multi-component gas analysis system based on spectral absorption technology and analysis method thereof

CCTEG SHENYANG RES INST0 citations34