Inventor · disambiguated record
Yonghai Liu
Also filed as: LIU YONGHAI
2 granted patents·3 pending applications·7 citations·filing 2007–2023
45Inventor score
Files withTINECO INTELLIGENT TECH CO LTD4SINOPEC GROUP SHENGLI PETROLEUM ADMINISTRATION TRANSP CORP1
Top patents by PatentIndex Score
5 records- 0159US2024216956A1Surface cleaning system, surface cleaning device and control method thereofTINECO INTELLIGENT TECH CO LTD·Filed 2023·Application pending·0 cites
- 0251US2025098914A1Cleaning system, charging assembly, cleaning apparatus, and trayTINECO INTELLIGENT TECH CO LTD·Filed 2023·Application pending·0 cites
- 0345US8047821B2Ring rack oil pumping machineSINOPEC GROUP SHENGLI PETROLEUM ADMINISTRATION TRANSP CORP·Filed 2007·Granted Nov 1, 2011·7 cites·8 claims
- 0444US12256885B2Cleaning apparatusTINECO INTELLIGENT TECH CO LTD·Filed 2020·Granted Mar 25, 2025·0 cites·27 claims
- 0539US2022338695A1Cleaning machine, cleaning device, control and information display methods thereof, and storage mediumTINECO INTELLIGENT TECH CO LTD·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →