Inventor

John A. Johansen

Inventor

Kongsberg, NO

Overview

13→

Patents

1998–2014

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 13 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary

E21BEarth or rock drilling44%

F15BSystems acting by means of fluids in general15%

F04BPositive-displacement machines for liquids11%

Y10TTechnical subjects covered by former us classification7%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g4%

F16KValves4%

F16LPipes4%

G01VGeophysics4%

G05BControl or regulating systems in general4%

H04LTransmission of digital information, e.g. telegraphic communication4%

PatentTitleYear

8,875,794'Trigger joint'2014 8,806,092'Control system for a subsea installation'2014 8,322,427'Control system'2012 7,398,830'Electric-hydraulic power unit'2008 7,287,595'Electric-hydraulic power unit'2007 7,273,105'Monitoring of a reservoir'2007 7,159,662'System for controlling a hydraulic actuator, and methods of using same'2007 7,137,450'Electric-hydraulic power unit'2006 6,998,724'Power generation system'2006 6,719,057'Downhole subsurface safety valve device'2004 6,595,487'Electric actuator'2003 6,397,948'Shearing arrangement for subsea umbilicals'2002 5,771,927'Undersea hydraulic connector with equalization channel'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2003Patents assigned to KONGSBERG OFFSHORE AS (2)· patent assignee history

1998Based in Houston, TX, US· patent location history

2002–2007Patents assigned to FMC TECHNOLOGIES (5)· patent assignee history

2002–2014Based in Kongsberg, NO· patent location history

2004–2014Patents assigned to FMC KONGSBERG SUBSEA AS (5)· patent assignee history

2008Patents assigned to ADVANCED MICRO DEVICES INC (1)· patent assignee history

2012–2014Patents assigned to JOHANSEN JOHN A (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FMC KONGSBERG SUBSEA AS	5	2004–2014
FMC TECHNOLOGIES	5	2002–2007
JOHANSEN JOHN Aself	3	2012–2014
KONGSBERG OFFSHORE AS	2	1998–2003
ADVANCED MICRO DEVICES INC	1	2008

Locations

Location	Patents	Span
Kongsberg, NO	12	2002–2014
Houston, Texas, US	1	1998