P

Inventor

KIRKMAN DOUGLAS F

GB7 patents
⚠️ This page may combine multiple inventors who share the name “KIRKMAN DOUGLAS F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MANDEVILLE ENG LTD

3 patents
US6148858ANov 21, 2000

Pressure balanced couplings

MANDEVILLE ENG LTD26 citations89
US5810047ASep 22, 1998

Sub-sea coupling with conical seal

MANDEVILLE ENG LTD29 citations89
US6276396B1Aug 21, 2001

Directional control valves

MANDEVILLE ENG LTD8 citations71

M S C M LTD

2 patents
US8011434B2Sep 6, 2011

Subsea securing devices

M S C M LTD23 citations87
US7810518B2Oct 12, 2010

Sub-sea solenoid valves

M S C M LTD5 citations59

KOP LTD

1 patent
US6895995B2May 24, 2005

Liquid flow regulator

KOP LTD45 citations86

(unassigned)

1 patent
US5479960AJan 2, 1996

Fluid couplings and seals

18 citations71