Inventor · disambiguated record
Yi Liu
Also filed as: LIU YI · LIU YI-PIN
24 granted patents·5 pending applications·96 citations·filing 2004–2020
94Inventor score
Files withNANJING CHERVON IND CO LTD9BAKER HUGHES OILFIELD OPERATIONS LLC4LIU YI4Liu yi pin4TRINH TU TIEN2
Top patents by PatentIndex Score
29 records- 0190US9216307B2Anti-falling deviceLIU YI-PIN·Filed 2013·Granted Dec 22, 2015·18 cites·10 claims
- 0288US9074966B2Spring force nodal mounting method for resonator sensorSANDERLIN KERRY L·Filed 2012·Granted Jul 7, 2015·10 cites·14 claims
- 0385US8695728B2Formation evaluation using a bit-based active radiation source and a gamma ray detectorTRINH TU TIEN·Filed 2011·Granted Apr 15, 2014·7 cites·18 claims
- 0471US9328561B2Drill bits with sensors for formation evaluationTRINH TU TIEN·Filed 2012·Granted May 3, 2016·3 cites·23 claims
- 0569US8878548B2Method for treating and sealing piezoelectric tuning forksDIFOGGIO ROCCO·Filed 2011·Granted Nov 4, 2014·2 cites·21 claims
- 0663USD745374SRoller jaw for anti-falling deviceLIU YI-PIN·Filed 2013·Granted Dec 15, 2015·12 cites·1 claims
- 0760US11768178B2Embedded electrode tuning forkBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2020·Granted Sep 26, 2023·0 cites·20 claims
- 0859US11035974B1Downhole resistivity imaging pad with electrical leakage preventionBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2020·Granted Jun 15, 2021·0 cites·19 claims
- 0958USD529403SStud finderNANJING CHERVON IND CO LTD·Filed 2005·Granted Oct 3, 2006·11 cites·1 claims
- 1057US9151153B2Crystal sensor made by ion implantation for sensing a property of interest within a borehole in the earthLIU YI·Filed 2011·Granted Oct 6, 2015·1 cites·19 claims
- 1157US2021273545A1Magnetic Force ReducerLiu yi pin·Filed 2020·Application pending·0 cites
- 1255US11487040B2Multi-frequency tuning network system and methodBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2020·Granted Nov 1, 2022·0 cites·13 claims
- 1355US8907269B2Apparatus and method for pulsed neutron generation including a high voltage power supplyCHALITSIOS CONSTANTYN·Filed 2011·Granted Dec 9, 2014·1 cites·20 claims
- 1454US11476582B2Tuning systems and methods for downhole antennasBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2020·Granted Oct 18, 2022·0 cites·20 claims
- 1550US9880307B2Induction logging sensorBAKER HUGHES INC·Filed 2014·Granted Jan 30, 2018·0 cites·18 claims
- 1648USD538188SDistance finderNANJING CHERVON IND CO LTD·Filed 2005·Granted Mar 13, 2007·7 cites·1 claims
- 1747USD508424SLaser leveling deviceNANJING CHERVON IND CO LTD·Filed 2004·Granted Aug 16, 2005·6 cites·1 claims
- 1846US8481920B2Apparatus and method for determining formation density from nuclear density measurements made using sensors at more than one locationINANC FEYZI·Filed 2011·Granted Jul 9, 2013·0 cites·16 claims
- 1945USD735024SJaw for anti-falling deviceLIU YI-PIN·Filed 2013·Granted Jul 28, 2015·5 cites·1 claims
- 2044US8633434B2Apparatus and method for pulsed neutron generation including a high voltage power supplyBLIVEN STEVEN·Filed 2011·Granted Jan 21, 2014·0 cites·20 claims
- 2144US2006231705A1Device with a suction cup for supporting and mounting articles to a surfaceLIU YI·Filed 2006·Application pending·0 cites
- 2242USD538187STarget for distance finderNANJING CHERVON IND CO LTD·Filed 2005·Granted Mar 13, 2007·5 cites·1 claims
- 2342US2006278784A1Mounting deviceLIU YI·Filed 2006·Application pending·0 cites
- 2438USD508423SLaser leveling deviceNANJING CHERVON IND CO LTD·Filed 2004·Granted Aug 16, 2005·3 cites·1 claims
- 2537USD521400SLaser levelNANJING CHERVON IND CO LTD·Filed 2005·Granted May 23, 2006·3 cites·1 claims
- 2637US2008007711A1Range finderNANJING CHERVON IND CO LTD·Filed 2006·Application pending·0 cites
- 2736US2006109450A1Laser distance measuring deviceLIU YI·Filed 2005·Application pending·0 cites
- 2832USD507980SLaser leveling deviceNANJING CHERVON IND CO LTD·Filed 2004·Granted Aug 2, 2005·1 cites·1 claims
- 2931USD527661SLaser levelNANJING CHERVON IND CO LTD·Filed 2005·Granted Sep 5, 2006·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →