Inventor · disambiguated record
Changfeng Chen
Also filed as: CHEN CHANGFENG
1 granted patent·1 pending application·0 citations·filing 2017–2018
3Inventor score
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2 records- 0140US2018312937A1Seamless Line Pipe Resistant to Corrosion by CO2/H2S and Sulfate-Reducing Bacteria and Manufacturing Method ThereofUNIV CHINA PETROLEUM BEIJING·Filed 2018·Application pending·0 cites
- 0225US10209678B2Pointer type bluetooth intelligently time-corrected clock movementDONGGUAN ZHUNDIAN PLASTIC ELECTRONICS CO LTD·Filed 2017·Granted Feb 19, 2019·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →