Assignee
ZHEJIANG HAIHE ENVIRONMENTAL TECH CO LTD
CN·3 granted patents·0 citations·filing 2021–2023
Top patents by PatentIndex Score
3 records- 0149US12139426B2Strip-shaped sponge biological-packing mechanisms, installation methods, and dynamic adjustment methods thereofZHEJIANG HAIHE ENVIRONMENTAL TECH CO LTD·Filed 2022·Granted Nov 12, 2024·0 cites·11 claims
- 0249US11905194B1Deep denitrification treatment system for wastewater by anaerobic-anoxic-oxic based on high-oxygen three-phase contactZHEJIANG HAIHE ENVIRONMENTAL TECH CO LTD·Filed 2023·Granted Feb 20, 2024·0 cites·5 claims
- 0347US12103882B2A/O tower integrated device for biological treatment of organic sewage containing COD and nitrogen and method by using the sameZHEJIANG HAIHE ENVIRONMENTAL TECH CO LTD·Filed 2021·Granted Oct 1, 2024·0 cites·15 claims
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