P

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 patents
US6244359B1Jun 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 patents

VETCO GRAY INC

6 patents

GRAY TOOL CO

4 patents

VETCO OFFSHORE IND INC

1 patent

GRAY TOOL COMANY

1 patent

GRAY TOOL

1 patent