Assignee
DU HAI
CN·5 granted patents·15 citations·filing 2015–2021
Top patents by PatentIndex Score
5 records- 0188US10018413B2Method and apparatus for increasing argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption systemDU HAI·Filed 2016·Granted Jul 10, 2018·3 cites·13 claims
- 0285USD965520SWireless chargerDU HAI·Filed 2021·Granted Oct 4, 2022·12 cites·1 claims
- 0350US10012437B2Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption systemDU HAI·Filed 2016·Granted Jul 3, 2018·0 cites·35 claims
- 0450US9676629B2Helium enhanced heat transfer in adsorptive liquid or gas phase argon purification processesDU HAI·Filed 2015·Granted Jun 13, 2017·0 cites·38 claims
- 0543US10012438B2Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption systemDU HAI·Filed 2016·Granted Jul 3, 2018·0 cites·10 claims
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