Inventor · disambiguated record
Christopher E. Cunningham
Also filed as: CUNNINGHAM CHRISTOPHER E · CUNNINGHAM CHRISTOPHER ERIC
49 granted patents·1 pending application·1,650 citations·filing 1990–2022
99Inventor score
Top patents by PatentIndex Score
50 records- 0197US6227300B1Slimbore subsea completion system and methodFMC CORP·Filed 1998·Granted May 8, 2001·209 cites·58 claims
- 0296US5893389AMetal seals for check valvesFMC CORP·Filed 1998·Granted Apr 13, 1999·102 cites·19 claims
- 0395US6062769AEnhanced steel catenary riser systemFMC CORP·Filed 1999·Granted May 16, 2000·87 cites·11 claims
- 0491US8487493B2Method and apparatus for controlling a bearing through a pressure boundaryCUNNINGHAM CHRISTOPHER E·Filed 2009·Granted Jul 16, 2013·26 cites·23 claims
- 0591US6715554B1Slimbore subsea completion system and methodFMC TECHNOLOGIES·Filed 2000·Granted Apr 6, 2004·82 cites·38 claims
- 0691US6494257B2Flow completion systemFMC TECHNOLOGIES·Filed 2001·Granted Dec 17, 2002·73 cites·7 claims
- 0791US5044672AMetal-to-metal sealing pipe swivel jointFMC CORP·Filed 1990·Granted Sep 3, 1991·103 cites·29 claims
- 0888US9954414B2Subsea compressor or pump with hermetically sealed electric motor and with magnetic couplingCUNNINGHAM CHRISTOPHER E·Filed 2012·Granted Apr 24, 2018·12 cites·20 claims
- 0988US6408947B1Subsea connection apparatusFMC CORP·Filed 2000·Granted Jun 25, 2002·64 cites·20 claims
- 1087US10801309B2Up-thrusting fluid systemCUNNINGHAM CHRISTOPHER E·Filed 2012·Granted Oct 13, 2020·7 cites·16 claims
- 1187US8696331B2Pump with magnetic bearingsCUNNINGHAM CHRISTOPHER E·Filed 2009·Granted Apr 15, 2014·16 cites·26 claims
- 1287US6365268B1Deep sea insulation materialFMC CORP·Filed 2000·Granted Apr 2, 2002·25 cites·29 claims
- 1387US5842816APig delivery and transport system for subsea wellsFMC CORP·Filed 1998·Granted Dec 1, 1998·61 cites·11 claims
- 1486US6655455B2Flow completion systemFMC TECHNOLOGIES·Filed 2002·Granted Dec 2, 2003·50 cites·24 claims
- 1584US12245712B1HangerCLASSIC DECOR LTD·Filed 2022·Granted Mar 11, 2025·1 cites·17 claims
- 1684US11352863B2Submersible well fluid systemFMC TECH INC·Filed 2019·Granted Jun 7, 2022·2 cites·13 claims
- 1780US5992526AROV deployed tree cap for a subsea tree and method of installationFMC CORP·Filed 1998·Granted Nov 30, 1999·91 cites·28 claims
- 1879US10393115B2Subsea multiphase pump or compressor with magnetic coupling and cooling or lubrication by liquid or gas extracted from process fluidCUNNINGHAM CHRISTOPHER E·Filed 2012·Granted Aug 27, 2019·4 cites·25 claims
- 1979US9601964B2In-line flow mixerCUNNINGHAM CHRISTOPHER E·Filed 2009·Granted Mar 21, 2017·9 cites·20 claims
- 2078US7025132B2Flow completion apparatusFMC TECHNOLOGIES·Filed 2003·Granted Apr 11, 2006·55 cites·11 claims
- 2177US6681850B2Flow completion systemFMC TECHNOLOGIES·Filed 2003·Granted Jan 27, 2004·30 cites·22 claims
- 2276US6004072ASelf-orienting subsea flowline tapping arrangementFMC CORP·Filed 1998·Granted Dec 21, 1999·39 cites·18 claims
- 2374US5941310AMonobore completion/intervention riser systemFMC CORP·Filed 1998·Granted Aug 24, 1999·63 cites·7 claims
- 2473US12480390B2Submersible well fluid systemFMC TECH INC·Filed 2022·Granted Nov 25, 2025·0 cites·12 claims
- 2573US10221662B2Submersible well fluid systemFMC TECH INC·Filed 2014·Granted Mar 5, 2019·2 cites·15 claims
- 2673US6494266B2Controls bridge for flow completion systemsFMC TECHNOLOGIES·Filed 2001·Granted Dec 17, 2002·27 cites·62 claims
- 2768US11253093B1Hat hangerCLASSIC DECOR LTD·Filed 2019·Granted Feb 22, 2022·2 cites·20 claims
- 2868US7069988B2Flow completion systemFMC TECHNOLOGIES·Filed 2003·Granted Jul 4, 2006·20 cites·17 claims
- 2967US8777596B2Flushing systemCUNNINGHAM CHRISTOPHER E·Filed 2009·Granted Jul 15, 2014·4 cites·26 claims
- 3067US6488083B2Tubing hanger systemFMC TECHNOLOGIES·Filed 2001·Granted Dec 3, 2002·31 cites·14 claims
- 3166US10161418B2Coupling an electric machine and fluid-endCUNNINGHAM CHRISTOPHER E·Filed 2012·Granted Dec 25, 2018·2 cites·23 claims
- 3265US7096937B2Flow completion systemFMC TECHNOLOGIES·Filed 2004·Granted Aug 29, 2006·17 cites·24 claims
- 3365US5769162ADual bore annulus access valveFMC CORP·Filed 1996·Granted Jun 23, 1998·47 cites·2 claims
- 3464US6053202AFail-safe closure system for remotely operable valve actuatorFMC CORP·Filed 1998·Granted Apr 25, 2000·45 cites·16 claims
- 3564US5791657ASeals containing composite non-extrusion springsFMC CORP·Filed 1997·Granted Aug 11, 1998·57 cites·2 claims
- 3660US6923423B2Small bore gate valveFMC TECHNOLOGIES·Filed 2002·Granted Aug 2, 2005·11 cites·14 claims
- 3760US6557638B2Concentric tubing completion systemFMC TECHNOLOGIES·Filed 2001·Granted May 6, 2003·26 cites·20 claims
- 3855US6497277B2Internal gate valve for flow completion systemsFMC TECHNOLOGIES·Filed 2001·Granted Dec 24, 2002·10 cites·9 claims
- 3951US5819852AMonobore completion/intervention riser systemFMC CORP·Filed 1996·Granted Oct 13, 1998·27 cites·10 claims
- 4049US6840494B2Gate valve with flow-through gateFMC TECHNOLOGIES·Filed 2003·Granted Jan 11, 2005·5 cites·8 claims
- 4148US6626239B2Internal gate valve for flow completion systemsFMC TECHNOLOGIES·Filed 2002·Granted Sep 30, 2003·6 cites·11 claims
- 4247US6520207B2Combination poppet and gate valveFMC TECHNOLOGIES·Filed 2001·Granted Feb 18, 2003·13 cites·21 claims
- 4347US5722796AHinge-over subsea template production systemFiled 1997·Granted Mar 3, 1998·32 cites·43 claims
- 4447US5044432AWell pipe hanger with metal sealing annulus valveFMC CORP·Filed 1990·Granted Sep 3, 1991·23 cites·27 claims
- 4544US6942192B2Gate valve with flow-through gateFMC TECHNOLOGIES·Filed 2001·Granted Sep 13, 2005·3 cites·7 claims
- 4643US5868203AApparatus and method for subsea connections of trees to subsea wellheadsFMC CORP·Filed 1998·Granted Feb 9, 1999·18 cites·10 claims
- 4743US2007007012A1Flow completion systemFMC TECHNOLOGIES·Filed 2006·Application pending·0 cites
- 4839USD1081160SHat hangerCLASSIC DECOR LTD·Filed 2021·Granted Jul 1, 2025·0 cites·1 claims
- 4933US5259451ADown hole well tool with pressure relief chamberFMC CORP·Filed 1992·Granted Nov 9, 1993·7 cites·9 claims
- 5031US5890450ALinear stroke valve position indicatorFMC CORP·Filed 1997·Granted Apr 6, 1999·4 cites·1 claims
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