Qingwen Ni

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San Antonio, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Nuclear magnetic resonance technology for non-invasive characteriza...
- Patent number 6,690,166
- Issue date Feb 10, 2004
- Southwest Research Institute
- Qingwen Ni
- G01 - MEASURING TESTING
Information Patent Grant
Porosity and permeability measurement of underground formations con...
- Patent number 6,573,715
- Issue date Jun 3, 2003
- Southwest Research Institute
- James D. King
- G01 - MEASURING TESTING
Information Patent Grant
Measurement of flow fractions flow velocities and flow rates of a m...
- Patent number 6,268,727
- Issue date Jul 31, 2001
- Southwest Research Institute
- J. Derwin King
- E21 - EARTH DRILLING MINING
Information Patent Grant
Measurement of flow fractions, flow velocities, and flow rates of a...
- Patent number 6,046,587
- Issue date Apr 4, 2000
- Southwest Research Institute
- J. Derwin King
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Nuclear magnetic resonance technology for non-invasive characteriza...
- Publication number 20030057947
- Publication date Mar 27, 2003
- Qingwen Ni
- G01 - MEASURING TESTING
Information Patent Application
Porosity and permeability measurement of underground formations con...
- Publication number 20010028247
- Publication date Oct 11, 2001
- James D. King
- G01 - MEASURING TESTING