Inventor
JOHANSEN JOHN A
NO14 patents
⚠️ This page may combine multiple inventors who share the name “JOHANSEN JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FMC TECHNOLOGIES
5 patentsUS7159662B2Jan 9, 2007
System for controlling a hydraulic actuator, and methods of using same
FMC TECHNOLOGIES56 citations95
US7137450B2Nov 21, 2006
Electric-hydraulic power unit
FMC TECHNOLOGIES45 citations95
US6397948B1Jun 4, 2002
Shearing arrangement for subsea umbilicals
FMC TECHNOLOGIES61 citations93
US7287595B2Oct 30, 2007
Electric-hydraulic power unit
FMC TECHNOLOGIES22 citations92
US6998724B2Feb 14, 2006
Power generation system
FMC TECHNOLOGIES118 citations92
FMC KONGSBERG SUBSEA AS
3 patentsUS6719057B2Apr 13, 2004
Downhole subsurface safety valve device
FMC KONGSBERG SUBSEA AS23 citations92
US7273105B2Sep 25, 2007
Monitoring of a reservoir
FMC KONGSBERG SUBSEA AS19 citations86
US11920427B2Mar 5, 2024
Method of operating a subsea production system, a subsea tree and an electric downhole safety valve
FMC KONGSBERG SUBSEA AS0 citations50