Inventor · disambiguated record
Kefei Cao
Also filed as: CAO KEFEI
3 granted patents·0 citations·filing 2015–2016
39Inventor score
Files withCHINA ENFI ENG CORP3
Top patents by PatentIndex Score
3 records- 0147US10415883B2Refractory protection layer for metallurgical furnaceCHINA ENFI ENG CORP·Filed 2016·Granted Sep 17, 2019·0 cites·8 claims
- 0240US10113800B2LanceCHINA ENFI ENG CORP·Filed 2016·Granted Oct 30, 2018·0 cites·9 claims
- 0337US10443112B2Fuming furnace with lead collecting and discharging functionCHINA ENFI ENG CORP·Filed 2015·Granted Oct 15, 2019·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →