Lei Yao

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Hangzhou City, CN

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Patents Applicationslast 30 patents

Information Patent Application
Device and method for recovering carbon dioxide and nitrogen from f...
- Publication number 20240263873
- Publication date Aug 8, 2024
- HANGZHOU OXYGEN PLANT GROUP CO., LTD.
- Yisong HAN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Photoelectric hydrogen production energy storage and cold energy re...
- Publication number 20230228485
- Publication date Jul 20, 2023
- HANGZHOU OXYGEN PLANT GROUP CO., LTD.
- Yisong HAN
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Device and method for producing hydrogen and byproduct oxygen by us...
- Publication number 20230212768
- Publication date Jul 6, 2023
- HANGZHOU OXYGEN PLANT GROUP CO., LTD.
- Yisong HAN
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ENERGY STORAGE DEVICE FOR WATER ELECTROLYSIS HYDROGEN PRODUCTION CO...
- Publication number 20230138866
- Publication date May 4, 2023
- HANGZHOU OXYGEN PLANT GROUP CO., LTD.
- Yisong HAN
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Device and method for recovering by-product oxygen of hydrogen prod...
- Publication number 20230092115
- Publication date Mar 23, 2023
- HANGZHOU OXYGEN PLANT GROUP CO., LTD.
- Yisong HAN
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR