Inventor · disambiguated record
Qiyan Tan
Also filed as: TAN QIYAN
2 granted patents·1 citations·filing 2017–2018
29Inventor score
Technology areasG01N
Files withPETROCHINA CO LTD2
Top patents by PatentIndex Score
2 records- 0172US11112398B2Apparatus and method for determining volume stability of well cementPETROCHINA CO LTD·Filed 2018·Granted Sep 7, 2021·1 cites·10 claims
- 0240US10928282B2Method and device for determining elasticity of cement stone utilized in well cementing of oil-gas wellPETROCHINA CO LTD·Filed 2017·Granted Feb 23, 2021·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Qiyan Tan 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 →