Robert Steven ALLEN

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Bossier City, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Thru diverter wellhead with direct connecting downhole control
- Patent number 8,196,649
- Issue date Jun 12, 2012
- T-3 Property Holdings, Inc.
- Robert Steven Allen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Direct connecting downhole control system
- Patent number 8,091,648
- Issue date Jan 10, 2012
- T-3 Property Holdings, Inc.
- Robert Steven Allen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Direct connecting downhole control system
- Patent number 7,845,415
- Issue date Dec 7, 2010
- T-3 Property Holdings, Inc.
- Robert Steven Allen
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Direct Connecting Downhole Control System
- Publication number 20110036595
- Publication date Feb 17, 2011
- T-3 PROPERTY HOLDINGS, INC.
- Robert Steven ALLEN
- E21 - EARTH DRILLING MINING
Information Patent Application
Thru diverter wellhead with direct connecting downhole control
- Publication number 20090032241
- Publication date Feb 5, 2009
- T-3 PROPERTY HOLDINGS, INC.
- Robert Steven Allen
- E21 - EARTH DRILLING MINING
Information Patent Application
DIRECT CONNECTING DOWNHOLE CONTROL SYSTEM
- Publication number 20080121400
- Publication date May 29, 2008
- T-3 PROPERTY HOLDINGS, INC.
- Robert Steven ALLEN
- E21 - EARTH DRILLING MINING
Information Patent Application
Wellhead systems
- Publication number 20040079532
- Publication date Apr 29, 2004
- Robert Steven Allen
- E21 - EARTH DRILLING MINING