Lawrence A. Eckert

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Metal and elastomer casing hanger seal
- Patent number 5,355,961
- Issue date Oct 18, 1994
- ABB Vetco Gray Inc.
- James A. Gariepy
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellhead completion system
- Patent number 5,327,965
- Issue date Jul 12, 1994
- ABB Vetco Gray Inc.
- Garry R. Stephen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well starter head
- Patent number 5,299,644
- Issue date Apr 5, 1994
- ABB Vetco Gray Inc.
- Lawrence A. Eckert
- E21 - EARTH DRILLING MINING
Information Patent Grant
Casing hanger seal with test port
- Patent number 5,285,853
- Issue date Feb 15, 1994
- ABB Vetco Gray Inc.
- Lawrence A. Eckert
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well starter head
- Patent number 5,205,356
- Issue date Apr 27, 1993
- ABB Vetco Gray Inc.
- Charles D. Bridges
- E21 - EARTH DRILLING MINING
Information Patent Grant
Emergency casing hanger
- Patent number 4,949,786
- Issue date Aug 21, 1990
- Vecto Gray Inc.
- Lawrence A. Eckert
- E21 - EARTH DRILLING MINING