Assignee
BI HONGFENG
US·17 granted patents·232 citations·filing 2003–2020
Top patents by PatentIndex Score
17 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
- 0395US8375771B1Viscometer for testing cement rheologyBI HONGFENG·Filed 2010·Granted Feb 19, 2013·18 cites·18 claims
- 0495US6951127B1Digital viscometer with non contact distance sensorBI HONGFENG·Filed 2003·Granted Oct 4, 2005·74 cites·18 claims
- 0593US8813542B1High pressure vessel with movable pressurization pistonBI HONGFENG·Filed 2011·Granted Aug 26, 2014·14 cites·20 claims
- 0692US10684269B1Cement analyzerBI HONGFENG·Filed 2018·Granted Jun 16, 2020·5 cites·5 claims
- 0792US8850874B1In-line viscometerBI HONGFENG·Filed 2012·Granted Oct 7, 2014·11 cites·20 claims
- 0891US11300557B1Cement analyzer measures gas migration and gel strengthBI HONGFENG·Filed 2020·Granted Apr 12, 2022·2 cites·9 claims
- 0989US9194784B1High pressure, high temperature lubricity testerBI HONGFENG·Filed 2012·Granted Nov 24, 2015·19 cites·15 claims
- 1087US8156798B1High pressure high temperature fluid densitometerBI HONGFENG·Filed 2010·Granted Apr 17, 2012·7 cites·20 claims
- 1185US10466161B1Defined shear rate corrosion testerBI HONGFENG·Filed 2017·Granted Nov 5, 2019·2 cites·14 claims
- 1284US11378568B1Cement analyzer measures gas migration and compressive strengthBI HONGFENG·Filed 2020·Granted Jul 5, 2022·1 cites·6 claims
- 1384US10416059B1High pressure high temperature spinning drop tensiometerBI HONGFENG·Filed 2017·Granted Sep 17, 2019·2 cites·17 claims
- 1482US8434355B1High pressure high temperature linear swell meterBI HONGFENG·Filed 2010·Granted May 7, 2013·4 cites·20 claims
- 1580US10215001B1High pressure high temperature drilling simulatorBI HONGFENG·Filed 2015·Granted Feb 26, 2019·3 cites·14 claims
- 1675US9157846B1Bob for testing rheology and overcoming the weissenberg effectBI HONGFENG·Filed 2012·Granted Oct 13, 2015·3 cites·18 claims
- 1757US10845285B1Fast response fluid properties monitoring systemBI HONGFENG·Filed 2018·Granted Nov 24, 2020·0 cites·13 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →