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Karluf Hagen
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Stavanger, NO
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Patents Grants
last 30 patents
Information
Patent Grant
Pressure sensing device and method for using the same
Patent number
9,422,805
Issue date
Aug 23, 2016
Innovar Engineering AS
Karluf Hagen
G01 - MEASURING TESTING
Information
Patent Grant
Cleaning magnet device for cleaning drilling fluid
Patent number
8,298,428
Issue date
Oct 30, 2012
Innovar Engineering AS
Karluf Hagen
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Magnet fixing device in a cleaning tool
Patent number
8,220,532
Issue date
Jul 17, 2012
M-I SWACO Norge AS
Karluf Hagen
B08 - CLEANING
Information
Patent Grant
Wellbore equipment positioning apparatus and associated methods of...
Patent number
6,003,607
Issue date
Dec 21, 1999
Halliburton Energy Services, Inc.
Karluf Hagen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Coiled tubing apparatus
Patent number
5,845,711
Issue date
Dec 8, 1998
Halliburton Company
Michael L. Connell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Coiled tubing apparatus
Patent number
5,762,142
Issue date
Jun 9, 1998
Halliburton Company
Michael L. Connell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well completion system with flapper control valve
Patent number
5,564,502
Issue date
Oct 15, 1996
Halliburton Company
Robert W. Crow
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sand screen structure with quick connection section joints therein
Patent number
5,341,880
Issue date
Aug 30, 1994
Halliburton Company
Egil Thorstensen
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Fastening Means for Fastening of a Cable to a Tubular Body
Publication number
20210108741
Publication date
Apr 15, 2021
INNOVAR ENGINEERING AS
Karluf Hagen
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and Method for Fastening of a Cable to a Tubular Body
Publication number
20180148983
Publication date
May 31, 2018
INNOVAR ENGINEERING AS
Karluf Hagen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Pressure Sensing Device and Method for Using the Same
Publication number
20150096363
Publication date
Apr 9, 2015
INNOVAR ENGINEERING AS
Karluf Hagen
E21 - EARTH DRILLING MINING
Information
Patent Application
CLEANING MAGNET DEVICE FOR CLEANING DRILLING FLUID
Publication number
20110309009
Publication date
Dec 22, 2011
INNOVAR ENGINEERING AS
Karluf Hagen
E21 - EARTH DRILLING MINING
Information
Patent Application
MAGNET FIXING DEVICE IN A CLEANING TOOL
Publication number
20100186945
Publication date
Jul 29, 2010
M-I SWACO NORGE AS
Karluf Hagen
B08 - CLEANING