Inventor · disambiguated record
Chengdong Liu
Also filed as: LIU CHENGDONG
3 granted patents·2 pending applications·1 citations·filing 2006–2025
45Inventor score
Top patents by PatentIndex Score
5 records- 0156US12270727B2Underwater detection method and system for contact leakage of tunnel joints of dam culvertNANJING HYDRAULIC RES INST·Filed 2024·Granted Apr 8, 2025·0 cites·7 claims
- 0254US2023415863A1Particle algorithm-based method for underwater detection and operation positioning of reservoir dam systemNANJING HYDRAULIC RES INST·Filed 2023·Application pending·0 cites
- 0347US7643992B2Method, system and device for automatic recognition of limited speechHUAWEI TECH CO LTD·Filed 2006·Granted Jan 5, 2010·1 cites·6 claims
- 0447US2025245390A1Method and system for determining evaluation indexes based on on-line evaluation layered architecture for concrete dam operation performanceHUANENG LANCANG RIVER HYDROPOWER INC·Filed 2025·Application pending·0 cites
- 0536US10677919B2Self-positioning system and self-positioning identification method of deepwater underwater robot of irregular dam surface of reservoirNANJING HYDRAULIC RES INST·Filed 2018·Granted Jun 9, 2020·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →