Darren Barlow

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Mansfield, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Valve and position control using magnetorheological fluids
- Patent number 7,428,922
- Issue date Sep 30, 2008
- Halliburton Energy Services
- Michael Fripp
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Perforating gun
- Patent number 6,851,471
- Issue date Feb 8, 2005
- Halliburton Energy Services, Inc.
- Darren R. Barlow
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Perforating gun
- Publication number 20040216866
- Publication date Nov 4, 2004
- Darren R. Barlow
- E21 - EARTH DRILLING MINING
Information Patent Application
Shaped-charge liner with precursor liner
- Publication number 20030183113
- Publication date Oct 2, 2003
- Darren R. Barlow
- F42 - AMMUNITION BLASTING
Information Patent Application
Valve and position control using magnetorheological fluids
- Publication number 20030166470
- Publication date Sep 4, 2003
- Michael Fripp
- E21 - EARTH DRILLING MINING