Ningbo Li

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Combination test method by using argon as gross-leak test tracer ga...
- Patent number 10,254,192
- Issue date Apr 9, 2019
- Genglin Wang
- G01 - MEASURING TESTING
Information Patent Grant
Method for helium mass spectrometric fine-leak test based on quanti...
- Patent number 9,671,308
- Issue date Jun 6, 2017
- BEIJING KEYTON ELECTRONIC RELAY CORPORATION LTD.
- Genglin Wang
- G01 - MEASURING TESTING
Information Patent Grant
Method of cumulative helium mass spectrometric combination test by...
- Patent number 9,651,444
- Issue date May 16, 2017
- Genglin Wang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
COMBINATION TEST METHOD BY USING ARGON AS GROSS-LEAK TEST TRACER GA...
- Publication number 20160313207
- Publication date Oct 27, 2016
- Genglin WANG
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF CUMULATIVE HELIUM MASS SPECTROMETRIC COMBINATION TEST BY...
- Publication number 20150073726
- Publication date Mar 12, 2015
- Genglin WANG
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR HELIUM MASS SPECTROMETRIC FINE-LEAK TEST BASED ON QUANTI...
- Publication number 20140222353
- Publication date Aug 7, 2014
- Genglin Wang
- G01 - MEASURING TESTING