Inventor · disambiguated record
Zhihua Fan
Also filed as: FAN ZHIHUA
1 granted patent·1 pending application·1 citations·filing 2022–2022
16Inventor score
Technology areasE21B
Files withHALLIBURTON ENERGY SERVICES INC2
Top patents by PatentIndex Score
2 records- 0178US12252961B2Expandable liner hanger assembly having one or more hardened sectionsHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted Mar 18, 2025·1 cites·29 claims
- 0239US2023407730A1Expandable liner hanger assembly having a plurality of discrete slip teeth placed within the shallow grooveHALLIBURTON ENERGY SERVICES INC·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →