Inventor · disambiguated record
Chenchen Fei
Also filed as: Fei Chenchen
2 granted patents·1 pending application·1 citations·filing 2022–2022
30Inventor score
Files withHangzhou hongli pipe machinery co ltd3
Top patents by PatentIndex Score
3 records- 0168US12479038B2Handheld lithium battery threading machine and threading methodHangzhou hongli pipe machinery co ltd·Filed 2022·Granted Nov 25, 2025·1 cites·8 claims
- 0240US11987966B2Portable pipe dredging machine and dredging methodHangzhou hongli pipe machinery co ltd·Filed 2022·Granted May 21, 2024·0 cites·10 claims
- 0327US2023069703A1Bench pipe threading machine and threading methodHangzhou hongli pipe machinery co ltd·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →