Inventor · disambiguated record
Hongfeng Bi
Also filed as: BI HONGFENG
21 granted patents·385 citations·filing 2001–2020
95Inventor score
Top patents by PatentIndex Score
21 records- 0196US8443661B1High pressure and high temperature linear swell measurement methodBI HONGFENG·Filed 2010·Granted May 21, 2013·26 cites·14 claims
- 0296US7845212B1High pressure high temperature sagging testerBI HONGFENG·Filed 2008·Granted Dec 7, 2010·41 cites·20 claims
- 0396US7412877B1High pressure viscometer with chamber preventing sample contaminationHONGFENG BI·Filed 2005·Granted Aug 19, 2008·75 cites·20 claims
- 0495US8375771B1Viscometer for testing cement rheologyBI HONGFENG·Filed 2010·Granted Feb 19, 2013·18 cites·18 claims
- 0595US6951127B1Digital viscometer with non contact distance sensorBI HONGFENG·Filed 2003·Granted Oct 4, 2005·74 cites·18 claims
- 0694US7287416B1Low maintenance high pressure viscometerHONGFENG BI·Filed 2005·Granted Oct 30, 2007·33 cites·20 claims
- 0793US8813542B1High pressure vessel with movable pressurization pistonBI HONGFENG·Filed 2011·Granted Aug 26, 2014·14 cites·20 claims
- 0892US10684269B1Cement analyzerBI HONGFENG·Filed 2018·Granted Jun 16, 2020·5 cites·5 claims
- 0992US8850874B1In-line viscometerBI HONGFENG·Filed 2012·Granted Oct 7, 2014·11 cites·20 claims
- 1091US11300557B1Cement analyzer measures gas migration and gel strengthBI HONGFENG·Filed 2020·Granted Apr 12, 2022·2 cites·9 claims
- 1189US9194784B1High pressure, high temperature lubricity testerBI HONGFENG·Filed 2012·Granted Nov 24, 2015·19 cites·15 claims
- 1287US8156798B1High pressure high temperature fluid densitometerBI HONGFENG·Filed 2010·Granted Apr 17, 2012·7 cites·20 claims
- 1385US10466161B1Defined shear rate corrosion testerBI HONGFENG·Filed 2017·Granted Nov 5, 2019·2 cites·14 claims
- 1485US6938464B1Digital viscometer with frictionless bearingFiled 2004·Granted Sep 6, 2005·22 cites·13 claims
- 1584US11378568B1Cement analyzer measures gas migration and compressive strengthBI HONGFENG·Filed 2020·Granted Jul 5, 2022·1 cites·6 claims
- 1684US10416059B1High pressure high temperature spinning drop tensiometerBI HONGFENG·Filed 2017·Granted Sep 17, 2019·2 cites·17 claims
- 1783US6571609B1Digital viscometer with arm and force sensor to measure torqueFiled 2001·Granted Jun 3, 2003·23 cites·8 claims
- 1882US8434355B1High pressure high temperature linear swell meterBI HONGFENG·Filed 2010·Granted May 7, 2013·4 cites·20 claims
- 1980US10215001B1High pressure high temperature drilling simulatorBI HONGFENG·Filed 2015·Granted Feb 26, 2019·3 cites·14 claims
- 2075US9157846B1Bob for testing rheology and overcoming the weissenberg effectBI HONGFENG·Filed 2012·Granted Oct 13, 2015·3 cites·18 claims
- 2157US10845285B1Fast response fluid properties monitoring systemBI HONGFENG·Filed 2018·Granted Nov 24, 2020·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →