Inventor
GUO CHENGCHAO
CN15 patents
⚠️ This page may combine multiple inventors who share the name “GUO CHENGCHAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV ZHENGZHOU
3 patentsUS11499284B2Nov 15, 2022
Trough plate for constructing locked polymer anti-seepage wall and construction method of locked polymer anti-seepage wall
UNIV ZHENGZHOU0 citations56
US11708933B2Jul 25, 2023
Pipeline radar and television inspection robot
UNIV ZHENGZHOU0 citations47
US11598065B2Mar 7, 2023
Method for stabilizing and lifting channel boards by underwater grouting
UNIV ZHENGZHOU0 citations45
HENAN POLYTECH INFRASTRUCTURE REHABILITATION LTD
2 patentsWANG FUMING
2 patentsWELEAD INFRASTRUCTURE ENGINEERING TECH ZHENGZHOU LTD
2 patentsUS11085166B2Aug 10, 2021
Composite slotting equipment combined static pressure and vibration of polymer anti-seepage wall and using method thereof
WELEAD INFRASTRUCTURE ENGINEERING TECH ZHENGZHOU LTD0 citations57
US12428519B2Sep 30, 2025
Silicate modified polymer foam material for filling and sealing
WELEAD INFRASTRUCTURE ENGINEERING TECH ZHENGZHOU LTD0 citations46
SOUTHERN MARINE SCIENCE AND ENG GUANGDONG LABORATORY ZHUHAI
2 patentsINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA
2 patentsUS11319690B2May 3, 2022
Assembled recyclable rectangular working well with preset detachable door opening and construction method thereof
INFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA0 citations50
US11143027B2Oct 12, 2021
Rectangular working well with preset pipe jacking hole and sliding back wall in water-rich stratum and construction method thereof
INFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA0 citations50