Inventor · disambiguated record
Yancong Han
Also filed as: HAN YANCONG
3 granted patents·2 citations·filing 2020–2020
49Inventor score
Files withUNIV CHINA PETROLEUM EAST CHINA3
Top patents by PatentIndex Score
3 records- 0178US11085245B2Multi-path combined high-low voltage plasma rock-breaking drill bit, drill bit apparatus and drilling methodUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Aug 10, 2021·2 cites·7 claims
- 0249US11293231B2Multi-path combined high-low voltage plasma drilling method, drill bit for drilling and drill bit apparatus for drillingUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Apr 5, 2022·0 cites·10 claims
- 0349US11268326B2Multi-path combined high-low voltage plasma drilling power source and drillling systemUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Mar 8, 2022·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →