John L. ALSUP

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Houston, TX, US

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Patents Grantslast 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 Applicationslast 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