Liwu LI

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Lanzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Detection device and method of rare gas sample in formation water
- Patent number 12,153,031
- Issue date Nov 26, 2024
- Chunhui Cao
- G01 - MEASURING TESTING
Information Patent Grant
Buffer assembly for device for analyzing noble gas isotope in natur...
- Patent number 12,085,547
- Issue date Sep 10, 2024
- Northwest Institute of Eco-Environment and Resources, CAS
- Chunhui Cao
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
BUFFER ASSEMBLY FOR DEVICE FOR ANALYZING NOBLE GAS ISOTOPE IN NATUR...
- Publication number 20240118255
- Publication date Apr 11, 2024
- Northwest Institute of Eco-Environment and Resources, CAS
- Chunhui CAO
- G01 - MEASURING TESTING
Information Patent Application
GAS PURIFICATION DEVICE, AND APPARATUS AND METHOD FOR MEASURING NOB...
- Publication number 20220065760
- Publication date Mar 3, 2022
- Northwest Institute of Eco-Environment and Resources, CAS
- Chunhui CAO
- H01 - BASIC ELECTRIC ELEMENTS