Assignee
SHANGHAI LIFENGAS CO LTD
CN·4 granted patents·1 citations·filing 2024–2024
Top patents by PatentIndex Score
4 records- 0177US12152585B1Sealing soft water recovery apparatus for vacuum pump in vacuum pressure swing adsorption oxygen generation systemSHANGHAI LIFENGAS CO LTD·Filed 2024·Granted Nov 26, 2024·1 cites·5 claims
- 0258US12360092B2Method, device, and storage medium for measuring nitrogen contentSHANGHAI LIFENGAS CO LTD·Filed 2024·Granted Jul 15, 2025·0 cites·16 claims
- 0356US12398952B2Waste argon separation system and method capable of reducing emission of cryogenic waste argonSHANGHAI LIFENGAS CO LTD·Filed 2024·Granted Aug 26, 2025·0 cites·16 claims
- 0456US12330109B2Hydrogen production device, gas-liquid separation apparatus thereof, and electrolyte and hydrogen separating methodSHANGHAI LIFENGAS CO LTD·Filed 2024·Granted Jun 17, 2025·0 cites·8 claims
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