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ERIK NORBOM
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HOEVIK, NO
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Patents Grants
last 30 patents
Information
Patent Grant
Annular blowout preventer
Patent number
11,156,054
Issue date
Oct 26, 2021
Electrical Subsea & Drilling AS
John L. Alsup
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellbore control device
Patent number
11,118,419
Issue date
Sep 14, 2021
Electrical Subsea & Drilling AS
Erik Norbom
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellbore control device
Patent number
10,711,555
Issue date
Jul 14, 2020
Electrical Subsea & Drilling AS
Erik Norbom
E21 - EARTH DRILLING MINING
Information
Patent Grant
Ram for a blowout preventer and a blowout preventer provided with rams
Patent number
10,519,739
Issue date
Dec 31, 2019
Electrical Subsea & Drilling AS
Thor Arne Haverstad
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
WELLBORE CONTROL DEVICE
Publication number
20190211644
Publication date
Jul 11, 2019
Electrical Subsea & Drilling AS
ERIK NORBOM
E21 - EARTH DRILLING MINING
Information
Patent Application
A RAM FOR A BLOWOUT PREVENTER AND A BLOWOUT PREVENTER PROVIDED WITH...
Publication number
20180283126
Publication date
Oct 4, 2018
Electrical Subsea & Drilling AS
THOR ARNE HAVERSTAD
E21 - EARTH DRILLING MINING
Information
Patent Application
ROD LOCKING APPARATUS
Publication number
20180252060
Publication date
Sep 6, 2018
Electrical Subsea & Drilling AS
Thor Arne HÅVERSTAD
E21 - EARTH DRILLING MINING
Information
Patent Application
WELLBORE CONTROL DEVICE
Publication number
20180135376
Publication date
May 17, 2018
Electrical Subsea & Drilling AS
ERIK NORBOM
E21 - EARTH DRILLING MINING