JJ

John A. Johansen

FM Fmc: 6 patents #23 of 469Top 5%
FA Fmc Kongsberg Subsea As: 5 patents #5 of 114Top 5%
KA Kongsberg Offshore As: 2 patents #1 of 32Top 4%
AM AMD: 1 patents #5,683 of 9,279Top 65%
Overall (All Time): #310,763 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11920427 Method of operating a subsea production system, a subsea tree and an electric downhole safety valve Sigurd Moe 2024-03-05
11875918 Electrical feedthrough system and methods of use thereof Erik Van Mook, Matthew Keller, David Hilbeck 2024-01-16
8875794 Trigger joint Hans-Paul Carlsen, Tor-Øystein Carlsen 2014-11-04
8806092 Control system for a subsea installation Vidar Sten-Halvorsen 2014-08-12
8322427 Control system Olav Inderberg 2012-12-04
7398830 Electric-hydraulic power unit Vidar Sten Halvorsen, Michael R. Williams 2008-07-15
7287595 Electric-hydraulic power unit Vidar Sten Halvorsen, Michael R. Williams 2007-10-30
7273105 Monitoring of a reservoir Morten Sivertsen 2007-09-25
7159662 System for controlling a hydraulic actuator, and methods of using same Vidar Sten Halvorsen, Michael R. Williams 2007-01-09
7137450 Electric-hydraulic power unit Vidar Sten Halvorsen, Michael R. Williams 2006-11-21
6998724 Power generation system Vidar Sten Halvorsen, Lars Fretland, Andreas Mohr, Christina M. Johansen, Veronique Prevault 2006-02-14
6719057 Downhole subsurface safety valve device 2004-04-13
6595487 Electric actuator Heyn Halfdan Magnus, Roy Almedal 2003-07-22
6397948 Shearing arrangement for subsea umbilicals Michael R. Williams, Christina A. Ross, David Wendt, Sylvester A. Joan, Stanley J. Rogala 2002-06-04
5771927 Undersea hydraulic connector with equalization channel Timothy Goggans 1998-06-30