Inventor · disambiguated record
Kefeng Yang
Also filed as: YANG KEFENG
4 granted patents·6 citations·filing 2019–2021
65Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0152US12319871B2Application of naphthenic imidazoline in inhibiting formation of natural gas hydrates and composition containing sameCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted Jun 3, 2025·0 cites·11 claims
- 0248USD986829SUninterruptible power supplyEATON INTELLIGENT POWER LTD·Filed 2021·Granted May 23, 2023·1 cites·1 claims
- 0347USD942398SUninterruptible power supplyEATON INTELLIGENT POWER LTD·Filed 2019·Granted Feb 1, 2022·4 cites·1 claims
- 0439USD991884SUninterruptible power supplyEATON INTELLECTUAL POWER LTD·Filed 2021·Granted Jul 11, 2023·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →