Inventor
CUNNINGHAM CHRISTOPHER E
US46 patents
⚠️ This page may combine multiple inventors who share the name “CUNNINGHAM CHRISTOPHER E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FMC CORP
18 patentsUS6227300B1May 8, 2001
Slimbore subsea completion system and method
FMC CORP209 citations99
US6062769AMay 16, 2000
Enhanced steel catenary riser system
FMC CORP87 citations98
US5893389AApr 13, 1999
Metal seals for check valves
FMC CORP102 citations98
US6408947B1Jun 25, 2002
Subsea connection apparatus
FMC CORP64 citations96
US5842816ADec 1, 1998
Pig delivery and transport system for subsea wells
FMC CORP61 citations96
US5992526ANov 30, 1999
ROV deployed tree cap for a subsea tree and method of installation
FMC CORP91 citations95
US5941310AAug 24, 1999
Monobore completion/intervention riser system
FMC CORP63 citations95
US6365268B1Apr 2, 2002
Deep sea insulation material
FMC CORP25 citations93
US6053202AApr 25, 2000
Fail-safe closure system for remotely operable valve actuator
FMC CORP45 citations93
US6004072ADec 21, 1999
Self-orienting subsea flowline tapping arrangement
FMC CORP39 citations93
US5769162AJun 23, 1998
Dual bore annulus access valve
FMC CORP47 citations93
US5044672ASep 3, 1991
Metal-to-metal sealing pipe swivel joint
FMC CORP103 citations92
US5819852AOct 13, 1998
Monobore completion/intervention riser system
FMC CORP27 citations91
US5791657AAug 11, 1998
Seals containing composite non-extrusion springs
FMC CORP57 citations91
US5044432ASep 3, 1991
Well pipe hanger with metal sealing annulus valve
FMC CORP23 citations89
US5868203AFeb 9, 1999
Apparatus and method for subsea connections of trees to subsea wellheads
FMC CORP18 citations84
US5259451ANov 9, 1993
Down hole well tool with pressure relief chamber
FMC CORP7 citations73
US5890450AApr 6, 1999
Linear stroke valve position indicator
FMC CORP4 citations58
FMC TECHNOLOGIES
16 patentsUS6715554B1Apr 6, 2004
Slimbore subsea completion system and method
FMC TECHNOLOGIES82 citations98
US6681850B2Jan 27, 2004
Flow completion system
FMC TECHNOLOGIES30 citations95
US6655455B2Dec 2, 2003
Flow completion system
FMC TECHNOLOGIES50 citations95
US6494257B2Dec 17, 2002
Flow completion system
FMC TECHNOLOGIES73 citations95
US6494266B2Dec 17, 2002
Controls bridge for flow completion systems
FMC TECHNOLOGIES27 citations93
US7096937B2Aug 29, 2006
Flow completion system
FMC TECHNOLOGIES17 citations92
US7069988B2Jul 4, 2006
Flow completion system
FMC TECHNOLOGIES20 citations92
US6488083B2Dec 3, 2002
Tubing hanger system
FMC TECHNOLOGIES31 citations92
US7025132B2Apr 11, 2006
Flow completion apparatus
FMC TECHNOLOGIES55 citations91
US6557638B2May 6, 2003
Concentric tubing completion system
FMC TECHNOLOGIES26 citations90
US6520207B2Feb 18, 2003
Combination poppet and gate valve
FMC TECHNOLOGIES13 citations79
US6497277B2Dec 24, 2002
Internal gate valve for flow completion systems
FMC TECHNOLOGIES10 citations79
US6942192B2Sep 13, 2005
Gate valve with flow-through gate
FMC TECHNOLOGIES3 citations74
US6840494B2Jan 11, 2005
Gate valve with flow-through gate
FMC TECHNOLOGIES5 citations74
US6626239B2Sep 30, 2003
Internal gate valve for flow completion systems
FMC TECHNOLOGIES6 citations71
US6923423B2Aug 2, 2005
Small bore gate valve
FMC TECHNOLOGIES11 citations69
CUNNINGHAM CHRISTOPHER E
8 patentsUS8696331B2Apr 15, 2014
Pump with magnetic bearings
CUNNINGHAM CHRISTOPHER E16 citations90
US8487493B2Jul 16, 2013
Method and apparatus for controlling a bearing through a pressure boundary
CUNNINGHAM CHRISTOPHER E26 citations90
US10801309B2Oct 13, 2020
Up-thrusting fluid system
CUNNINGHAM CHRISTOPHER E7 citations84
US9954414B2Apr 24, 2018
Subsea compressor or pump with hermetically sealed electric motor and with magnetic coupling
CUNNINGHAM CHRISTOPHER E12 citations83
US9601964B2Mar 21, 2017
In-line flow mixer
CUNNINGHAM CHRISTOPHER E9 citations82
US10393115B2Aug 27, 2019
Subsea multiphase pump or compressor with magnetic coupling and cooling or lubrication by liquid or gas extracted from process fluid
CUNNINGHAM CHRISTOPHER E4 citations72
US10161418B2Dec 25, 2018
Coupling an electric machine and fluid-end
CUNNINGHAM CHRISTOPHER E2 citations72
US8777596B2Jul 15, 2014
Flushing system
CUNNINGHAM CHRISTOPHER E4 citations71