Inventor · disambiguated record
Xi Lin Liu
Also filed as: LIU XI LIN
7 granted patents·167 citations·filing 2008–2019
86Inventor score
Top patents by PatentIndex Score
7 records- 0194US11035183B2Devices, systems, and methods for top drive clearingNAT OILWELL VARCO LP·Filed 2019·Granted Jun 15, 2021·15 cites·20 claims
- 0293US8468753B2Drilling rigs and erection methodsDONNALLY ROBERT BENJAMIN·Filed 2008·Granted Jun 25, 2013·63 cites·31 claims
- 0392US9441423B2Drilling rig masts and methods of assembly and erectionDONNALLY ROBERT BENJAMIN·Filed 2013·Granted Sep 13, 2016·23 cites·20 claims
- 0490US8549815B2Drilling rig masts and methods of assembly and erecting mastsDONNALLY ROBERT BENJAMIN·Filed 2008·Granted Oct 8, 2013·45 cites·17 claims
- 0578US8047303B2Drilling rig drawworks installationNAT OILWELL VARCO LP·Filed 2008·Granted Nov 1, 2011·18 cites·21 claims
- 0663US8875911B2Drilling rig mast lift systems and methodsDONNALLY ROBERT B·Filed 2010·Granted Nov 4, 2014·3 cites·25 claims
- 0753US11891864B2Pipe handling armNAT OILWELL VARCO LP·Filed 2019·Granted Feb 6, 2024·0 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Xi Lin Liu 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 →