Inventor · disambiguated record

Lijian Lao

Also filed as: Lao Lijian

2 granted patents·1 citations·filing 2022–2023

29Inventor score

Technology areasF25J

Files withHANGZHOU OXYGEN PLANT GROUP CO LTD2

Top patents by PatentIndex Score

2 records

0183US12497705B2Device and method for producing hydrogen and byproduct oxygen by using green electricity electrolyzed waterHANGZHOU OXYGEN PLANT GROUP CO LTD·Filed 2023·Granted Dec 16, 2025·1 cites·1 claims
0264US12378686B2Device and method for recovering by-product oxygen of hydrogen production from electrolyzed water by low-temperature methodHANGZHOU OXYGEN PLANT GROUP CO LTD·Filed 2022·Granted Aug 5, 2025·0 cites·8 claims

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