Yongshun ZHANG

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for producing high-purity nitrogen and low-pur...
- Patent number 11,988,446
- Issue date May 21, 2024
- L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
- Alain Briglia
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR PRODUCING HIGH-PURITY NITROGEN AND LOW-PUR...
- Publication number 20220090855
- Publication date Mar 24, 2022
- L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedeseor...
- Alain BRIGLIA
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...