William Iain Elder LEVIE

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The Woodlands, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Composite limit collar
- Patent number 9,074,430
- Issue date Jul 7, 2015
- Halliburton Energy Services, Inc.
- William Iain Elder Levie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Composite centralizer with expandable elements
- Patent number 9,038,738
- Issue date May 26, 2015
- Halliburton Energy Services, Inc.
- William Iain Levie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pull through centralizer
- Patent number 8,991,487
- Issue date Mar 31, 2015
- Halliburton Energy Services, Inc.
- William Iain Elder Levie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pull through centralizer
- Patent number 8,960,278
- Issue date Feb 24, 2015
- Halliburton Energy Services, Inc.
- William Iain Elder Levie
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Pull Through Centralizer
- Publication number 20130319690
- Publication date Dec 5, 2013
- Halliburton Energy Services, Inc.
- William Iain Elder LEVIE
- E21 - EARTH DRILLING MINING
Information Patent Application
Pull Through Centralizer
- Publication number 20130319689
- Publication date Dec 5, 2013
- Halliburton Energy Services, Inc.
- William Iain Elder LEVIE
- E21 - EARTH DRILLING MINING
Information Patent Application
Composite Centralizer with Expandable Elements
- Publication number 20130233568
- Publication date Sep 12, 2013
- Halliburton Energy Services, Inc.
- William Iain Levie
- E21 - EARTH DRILLING MINING
Information Patent Application
Composite Limit Collar
- Publication number 20130068483
- Publication date Mar 21, 2013
- Halliburton Energy Services, Inc.
- William Iain Elder LEVIE
- E21 - EARTH DRILLING MINING