Inventor
BRIDGES CHARLES D
US38 patents
⚠️ This page may combine multiple inventors who share the name “BRIDGES CHARLES D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VETCO GRAY INC ABB
17 patentsUS6244359B1Jun 12, 2001
Subsea diverter and rotating drilling head
VETCO GRAY INC ABB119 citations97
US5944111AAug 31, 1999
Internal riser tensioning system
VETCO GRAY INC ABB71 citations96
US5671812ASep 30, 1997
Hydraulic pressure assisted casing tensioning system
VETCO GRAY INC ABB76 citations96
US5255746AOct 26, 1993
Adjustable mandrel hanger assembly
VETCO GRAY INC ABB55 citations96
US6470971B1Oct 29, 2002
Tubing head control and pressure monitor device
VETCO GRAY INC ABB40 citations92
US5732772AMar 31, 1998
Dual split tubing hanger
VETCO GRAY INC ABB41 citations92
US5341885AAug 30, 1994
Internal tubing hanger lockdown
VETCO GRAY INC ABB26 citations92
US5287922AFeb 22, 1994
Emergency method for running slips over casing collars
VETCO GRAY INC ABB34 citations92
US5222555AJun 29, 1993
Emergency casing hanger system
VETCO GRAY INC ABB35 citations92
US5205356AApr 27, 1993
Well starter head
VETCO GRAY INC ABB45 citations91
US5135266AAug 4, 1992
Casing slips and seal member
VETCO GRAY INC ABB37 citations91
US6186237B1Feb 13, 2001
Annulus check valve with tubing plug back-up
VETCO GRAY INC ABB49 citations90
US6401827B1Jun 11, 2002
Tubing hanger running tool
VETCO GRAY INC ABB29 citations86
US6142235ANov 7, 2000
Bottom-supported guidance device for alignment of multiple wellbores in a single conductor
VETCO GRAY INC ABB18 citations83
US5094297AMar 10, 1992
Casing weight set seal ring
VETCO GRAY INC ABB20 citations82
US5810086ASep 22, 1998
Single riser with two wellheads
VETCO GRAY INC ABB10 citations74
US5918675AJul 6, 1999
Close proximity wellheads
VETCO GRAY INC ABB12 citations66
COMBUSTION ENG
8 patentsUS4349205ASep 14, 1982
Annulus sealing device with anti-extrusion rings
COMBUSTION ENG65 citations96
US4607691AAug 26, 1986
Non-orienting, multiple ported, cylindrical pressure transfer device
COMBUSTION ENG29 citations92
US4181175AJan 1, 1980
Control line exiting coupling
COMBUSTION ENG58 citations92
US4390186AJun 28, 1983
Metal-to-metal ribbed seal
COMBUSTION ENG57 citations91
US4465133AAug 14, 1984
Casing hanger collet
COMBUSTION ENG20 citations82
US4461450AJul 24, 1984
Remote control choke
COMBUSTION ENG22 citations76
US4402535ASep 6, 1983
Adjustable backing arrangement for pipe suspending slips
COMBUSTION ENG13 citations74
US4343477AAug 10, 1982
Sealing device with thermal expansion pressure accumulator
COMBUSTION ENG8 citations74
VETCO GRAY INC
6 patentsUS4771832ASep 20, 1988
Wellhead with eccentric casing seal ring
VETCO GRAY INC72 citations96
US4911245AMar 27, 1990
Metal seal with soft inlays
VETCO GRAY INC40 citations90
US4770250ASep 13, 1988
Hydraulically actuated lock pin for well pipe hanger
VETCO GRAY INC27 citations90
US4709933ADec 1, 1987
Temperature transient resistant seal
VETCO GRAY INC23 citations82
US4911480AMar 27, 1990
Torque nut for setting a graphite seal
VETCO GRAY INC8 citations72
US4834177AMay 30, 1989
Unidirectional filter for hydraulic systems
VETCO GRAY INC0 citations47
GRAY TOOL CO
4 patentsUS4553589ANov 19, 1985
Fire-safe surface-controlled subsurface safety valve control line/wellhead connector and blowout preventer
GRAY TOOL CO40 citations89
US4540012ASep 10, 1985
Temperature sensitive valve bonnet assembly
GRAY TOOL CO23 citations82
US4116277ASep 26, 1978
Full flow tubing plug with locked anchor and method
GRAY TOOL CO10 citations74
US4511002AApr 16, 1985
Multiple tubing hanger tie back system and method
GRAY TOOL CO9 citations71