Beijing Drainage Group Co., Ltd

China

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Total IP 24
Total IP Rank # 62,402
IP Activity Score 2.4/5.0    30
IP Activity Rank # 25,580

Patents

Trademarks

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15 0
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Last Patent 2025 - System and method for purifying ...
First Patent 2019 - Anaerobic ammoxidation synergist...

Subsidiaries

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Latest Inventions, Goods, Services

2024 Invention System and method for purifying water body by means of coupled denitrification with plants, bacte...
Invention Temperature-responsive separation membrane and preparation method therefor. A temperature-respons...
Invention Device and method for accurately treating sewage. A device and method for accurately treating sew...
Invention Rapid granular sludge cultivation apparatus and method for continuous flow anaerobic ammonium oxi...
Invention Method for conditioning and deeply dewatering co-digested sludge by means of bubble stripping-car...
2022 Invention Method for conditioning advanced anaerobic digestion sludge by deep dehydration based on particle...
Invention Sludge and kitchen waste collaborative digestion process coupled with intermediate thermal hydrol...
Invention Sludge and kitchen collaborative digestion process coupled with intermediate thermal hydrolysis. ...
2021 Invention Bidirectional flow pulse-based water body phosphorus removal apparatus and method, and organic nu...
Invention Electrochemical nitrogen and phosphorus removal device and method. The present disclosure belong...
Invention Method and system for enhanced culture of aerobic granular sludge. The present disclosure belongs...
Invention Sewage treatment system and method of continuous flow step-feed short-cut denitrification-anaerob...
Invention Bidirectional flow pulse-based water body phosphorous-removal apparatus and method, and organic n...
Invention Method and system for strengthening aerobic granular sludge culture. The present invention relate...
Invention Online model water quality conversion method and system, electronic device, and medium. An online...
Invention Continuous flow step-feed short-cut denitrification - anaerobic ammonium oxidation coupled denitr...
Invention Electrochemical nitrogen and phosphorus removal device and method. The present invention relates ...
2020 Invention Bacterium-alga coupled sewage treatment device based on energy recycling and use method thereof. ...
Invention Bacteria-algae coupling sewage treatment device based on energy recycling, and method for using s...
2019 Invention Sewage uniform distribution treatment device for aerobic granular sludge system and use method th...
Invention Anaerobic ammoxidation synergistic nitrogen removal process device of municipal sewage main and s...