Membership
Tour
Register
Log in
Thor Arne HÅVERSTAD
Follow
Person
Vennesla, NO
People
Overview
Industries
Organizations
People
Information
Impact
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
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
BLOWOUT PREVENTER BONNET ASSEMBLY
Publication number
20190145217
Publication date
May 16, 2019
Electrical Subsea & Drilling AS
JOHN L. ALSUP
E21 - EARTH DRILLING MINING
Information
Patent Application
ANNULAR BLOWOUT PREVENTER
Publication number
20190112889
Publication date
Apr 18, 2019
JOHN L. ALSUP
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