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Engineering & Drilling Machinery AS
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Stavanger, NO
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Patents Grants
last 30 patents
Information
Patent Grant
Piston pump
Patent number
6,749,408
Issue date
Jun 15, 2004
Engineering & Drilling Machinery AS
Bjorn Eilertsen
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Rotary table
Patent number
6,401,841
Issue date
Jun 11, 2002
Engineering & Drilling Machinery AS
Bjørn Eilertsen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tower
Patent number
6,336,622
Issue date
Jan 8, 2002
Engineering & Drilling Machinery AS
Bjørn Eilertsen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for preventing pipe buckling
Patent number
6,283,203
Issue date
Sep 4, 2001
Engineering and Drilling Machinery AS
Bjørn Eilertsen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill floor hole
Patent number
6,209,851
Issue date
Apr 3, 2001
Engineering & Drilling Machinery AS
Bjørn Eilertsen
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
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