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Fernando Murman
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Rancho Palos Verdes, CA, US
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last 30 patents
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Patent Grant
Well blowout preventer, and packing element
Patent number
4,461,448
Issue date
Jul 24, 1984
Hydril Company
Wai Huey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well blowout preventer, and packing element
Patent number
4,452,421
Issue date
Jun 5, 1984
Hydril Company
Wai J. Huey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well blowout preventer, and packing element
Patent number
4,447,037
Issue date
May 8, 1984
Hydril Company
Wai J. Huey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Blowout preventer packing unit with slanted reinforcing inserts
Patent number
4,098,516
Issue date
Jul 4, 1978
Hydril Company
Fernando Murman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Controlled closing pattern packing unit for blowout preventer
Patent number
3,958,808
Issue date
May 25, 1976
Hydril Company
George E. Lewis
E21 - EARTH DRILLING MINING