Inventor
JENNINGS CHARLES E
US57 patents
⚠️ This page may combine multiple inventors who share the name “JENNINGS CHARLES E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VETCO GRAY INC
20 patentsUS7337848B2Mar 4, 2008
Preloaded riser coupling system
VETCO GRAY INC46 citations96
US7331395B2Feb 19, 2008
Riser make-up tool
VETCO GRAY INC45 citations96
US4856594AAug 15, 1989
Wellhead connector locking device
VETCO GRAY INC79 citations96
US6974341B2Dec 13, 2005
Subsea well electrical connector
VETCO GRAY INC24 citations93
US4823879AApr 25, 1989
Guidelineless reentry system with nonrotating funnel
VETCO GRAY INC24 citations93
US4747606AMay 31, 1988
Bi-directional metal-to-metal seal
VETCO GRAY INC44 citations93
US4708376ANov 24, 1987
Hydraulic collet-type connector
VETCO GRAY INC121 citations93
US7963336B2Jun 21, 2011
Preloaded riser coupling system
VETCO GRAY INC21 citations92
US7686342B2Mar 30, 2010
Pipe connector and torque tool
VETCO GRAY INC40 citations92
US7040407B2May 9, 2006
Collet load shoulder
VETCO GRAY INC33 citations92
US4903992AFeb 27, 1990
Locking ring for oil well tool
VETCO GRAY INC40 citations92
US7559366B2Jul 14, 2009
Flex-lock metal seal system for wellhead members
VETCO GRAY INC47 citations91
US4754813AJul 5, 1988
Tree capless cone seal manifold
VETCO GRAY INC27 citations86
US7614447B2Nov 10, 2009
System, method, and apparatus for energizable metal seals in well heads
VETCO GRAY INC10 citations84
US7121349B2Oct 17, 2006
Wellhead protector
VETCO GRAY INC13 citations84
US7044227B2May 16, 2006
Subsea well injection and monitoring system
VETCO GRAY INC13 citations82
US4893677AJan 16, 1990
Guidelineless reentry system with retracting rollers
VETCO GRAY INC22 citations82
US4871282AOct 3, 1989
Tension leg platform tendon top connector
VETCO GRAY INC17 citations74
US4842307AJun 27, 1989
Wellhead load supporting system
VETCO GRAY INC11 citations74
US4823878AApr 25, 1989
Guidelineless reentry system with fixed rollers
VETCO GRAY INC11 citations74
VETCO GRAY INC ABB
12 patentsUS6152229ANov 28, 2000
Subsea dual in-line ball valves
VETCO GRAY INC ABB53 citations96
US5551803ASep 3, 1996
Riser tensioning mechanism for floating platforms
VETCO GRAY INC ABB60 citations96
US5172112ADec 15, 1992
Subsea well pressure monitor
VETCO GRAY INC ABB80 citations96
US5163514ANov 17, 1992
Blowout preventer isolation test tool
VETCO GRAY INC ABB106 citations96
US6581691B1Jun 24, 2003
Landing adapter for soft landing a tubing hanger in the bore of a production tree or wellhead housing
VETCO GRAY INC ABB33 citations93
US6516876B1Feb 11, 2003
Running tool for soft landing a tubing hanger in a wellhead housing
VETCO GRAY INC ABB45 citations93
US5249629AOct 5, 1993
Full bore casing hanger running tool
VETCO GRAY INC ABB35 citations93
US5188180AFeb 23, 1993
Hydraulic circuit for a well tool
VETCO GRAY INC ABB25 citations93
US5492017AFeb 20, 1996
Inductive pressure transducer
VETCO GRAY INC ABB35 citations92
US6394186B1May 28, 2002
Apparatus for remote adjustment of drill string centering to prevent damage to wellhead
VETCO GRAY INC ABB21 citations90
US5890541AApr 6, 1999
BOP isolation test tool
VETCO GRAY INC ABB13 citations73
US6615921B2Sep 9, 2003
Apparatus and method for remote adjustment of drill string centering to prevent damage to wellhead
VETCO GRAY INC ABB9 citations71
JENNINGS CHARLES E
7 patentsUS8322428B2Dec 4, 2012
Casing hanger nesting indicator
JENNINGS CHARLES E8 citations84
US8171996B2May 8, 2012
Wellhead system having a tubular hanger securable to wellhead and method of operation
JENNINGS CHARLES E9 citations84
US8136604B2Mar 20, 2012
Wireline run fracture isolation sleeve and plug and method of operating same
JENNINGS CHARLES E9 citations84
US8684701B2Apr 1, 2014
Pumping mud by electrohydrodynamic propulsion
JENNINGS CHARLES E2 citations63
US8632318B2Jan 21, 2014
Pumping mud by electrohydrodynamic propulsion
JENNINGS CHARLES E3 citations63
US8327934B2Dec 11, 2012
Acoustically measuring annulus probe depth
JENNINGS CHARLES E5 citations63
US8181931B2May 22, 2012
Mechanically operated hydraulic valve actuator
JENNINGS CHARLES E4 citations63
FMC CORP
4 patentsUS4595063AJun 17, 1986
Subsea casing hanger suspension system
FMC CORP130 citations95
US4471965ASep 18, 1984
High-pressure fire-resistant metal seal
FMC CORP57 citations92
US4568062AFeb 4, 1986
Fire-resistant gate valve
FMC CORP38 citations89
US4510960AApr 16, 1985
Valve stem-to-bonnet backseat
FMC CORP18 citations70
JENNINGS PHYLLIS A
2 patentsGRAY TOOL CO
1 patentJENNINGS PHYLLIS
1 patent(unassigned)
1 patentPA INC
1 patentELLIS FIFE B
1 patentShowing the top 50 of 57 patents by PatentIndex Score.