Inventor · disambiguated record
James Cernosek
Also filed as: CERNOSEK JAMES · CERNOSEK JAMES T
16 granted patents·6 pending applications·363 citations·filing 1994–2025
92Inventor score
Files withHALLIBURTON ENERGY SERVICES INC8BAKER HUGHES INC6WESTERN ATLAS INT INC2BAKER HUGHES A GE CO LLC1BULLOCK WADE1
Top patents by PatentIndex Score
22 records- 0193US5377755AMethod and apparatus for acquiring and processing subsurface samples of connate fluidWESTERN ATLAS INT INC·Filed 1994·Granted Jan 3, 1995·194 cites·24 claims
- 0290US12241332B1Isolation device with multiple pressure stages to isolate well intervalHALLIBURTON ENERGY SERVICES INC·Filed 2024·Granted Mar 4, 2025·3 cites·20 claims
- 0389US12338733B1Method and apparatus for downhole fluid microsample collection with staged hydraulic actuationHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Jun 24, 2025·2 cites·17 claims
- 0487US7621325B2Dual piston, single phase sampling mechanism and procedureBAKER HUGHES INC·Filed 2007·Granted Nov 24, 2009·27 cites·18 claims
- 0580US2025369311A1Using fluid pill for heat transfer downholeHALLIBURTON ENERGY SERVICES INC·Filed 2025·Application pending·0 cites
- 0678US5677631ACoaxial two port waveguide flowline sensorWESTERN ATLAS INT INC·Filed 1996·Granted Oct 14, 1997·72 cites·11 claims
- 0778US2025290412A1Method And Apparatus For Downhole Fluid Microsample Collection With Staged Hydraulic ActuationHALLIBURTON ENERGY SERVICES INC·Filed 2025·Application pending·0 cites
- 0878US2025290411A1Method and apparatus for downhole fluid microsample collection with staged hydraulic actuationHALLIBURTON ENERGY SERVICES INC·Filed 2025·Application pending·0 cites
- 0972US6557632B2Method and apparatus to provide miniature formation fluid sampleBAKER HUGHES INC·Filed 2001·Granted May 6, 2003·43 cites·23 claims
- 1071US12410685B2Using fluid pill for heat transfer downholeHALLIBURTON ENERGY SERVICES INC·Filed 2024·Granted Sep 9, 2025·0 cites·20 claims
- 1167US9284838B2Apparatus and method for obtaining formation fluid samples utilizing independently controlled devices on a common hydraulic lineCERNOSEK JAMES T·Filed 2013·Granted Mar 15, 2016·5 cites·20 claims
- 1260US12416236B2Protection of a wellbore tool using fluid medium dependent materialHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Sep 16, 2025·0 cites·19 claims
- 1359US9777572B2Multi-probe reservoir sampling deviceBAKER HUGHES INC·Filed 2014·Granted Oct 3, 2017·1 cites·9 claims
- 1452US9752431B2Apparatus and method for obtaining formation fluid samples utilizing a sample clean-up deviceBULLOCK WADE·Filed 2013·Granted Sep 5, 2017·2 cites·11 claims
- 1552US7669469B2Method and apparatus for a continuous data recorder for a downhole sample tankBAKER HUGHES INC·Filed 2004·Granted Mar 2, 2010·14 cites·35 claims
- 1651US2017370216A1Multi-probe reservoir sampling deviceBAKER HUGHES A GE CO LLC·Filed 2017·Application pending·0 cites
- 1747US10107055B2Core catcherBAKER HUGHES INC·Filed 2016·Granted Oct 23, 2018·0 cites·19 claims
- 1844US2025020059A1Fluid multisample capturing with translating memberHALLIBURTON ENERGY SERVICES INC·Filed 2023·Application pending·0 cites
- 1939US9243486B2Apparatus and method for determining closure pressure from flowback measurements of a fractured formationNIEUWOUDT HERMANUS J·Filed 2013·Granted Jan 26, 2016·0 cites·19 claims
- 2038US2014360784A1Through Casing CoringBAKER HUGHES INC·Filed 2013·Application pending·0 cites
- 2131US9797244B2Apparatus and method for obtaining formation fluid samples utilizing a flow control device in a sample tankGOSTKOWSKI KYLE A·Filed 2013·Granted Oct 24, 2017·0 cites·19 claims
- 2230US9068438B2Optimization of sample cleanup during formation testingSTIBBE HOLGER·Filed 2012·Granted Jun 30, 2015·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →