Inventor · disambiguated record
Demin Chen
Also filed as: CHEN DEMIN
2 granted patents·2 pending applications·24 citations·filing 2016–2020
60Inventor score
Technology areasE21B
Files withCNPC USA CORP4
Top patents by PatentIndex Score
4 records- 0194US10125552B2Convex ridge type non-planar cutting tooth and diamond drill bitCNPC USA CORP·Filed 2016·Granted Nov 13, 2018·17 cites·19 claims
- 0290US10563464B2Convex ridge type non-planar cutting tooth and diamond drill bitCNPC USA CORP·Filed 2018·Granted Feb 18, 2020·7 cites·20 claims
- 0354US2020181985A1Polycrystalline diamond compact cutter with improved geometry for cooling and cutting evacuation and efficiencyCNPC USA CORP·Filed 2020·Application pending·0 cites
- 0437US2018087344A1Multi-sectional swellable packerCNPC USA CORP·Filed 2017·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Demin Chen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →