Ramkumar K. Bansal

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and methods for utilizing a downhole deployment valve
- Patent number 7,690,432
- Issue date Apr 6, 2010
- Weatherford/Lamb, Inc.
- Joe Noske
- E21 - EARTH DRILLING MINING
Information Patent Grant
Instrumentation for a downhole deployment valve
- Patent number 7,475,732
- Issue date Jan 13, 2009
- Weatherford/Lamb, Inc.
- David G. Hosie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and methods for utilizing a downhole deployment valve
- Patent number 7,451,809
- Issue date Nov 18, 2008
- Weatherford/Lamb, Inc.
- Joe Noske
- E21 - EARTH DRILLING MINING
Information Patent Grant
Instrumentation for a downhole deployment valve
- Patent number 7,255,173
- Issue date Aug 14, 2007
- Weatherford/Lamb, Inc.
- David G. Hosie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method to reduce fluid pressure in a wellbore
- Patent number 6,837,313
- Issue date Jan 4, 2005
- Weatherford/Lamb, Inc.
- David Hosie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dynamic mudcap drilling and well control system
- Patent number 6,732,804
- Issue date May 11, 2004
- Weatherford/Lamb, Inc.
- David Hosie
- E21 - EARTH DRILLING MINING