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Patents Grants
last 30 patents
Information
Patent Grant
Method and device for preventing and controlling pollutants in the...
Patent number
11,352,281
Issue date
Jun 7, 2022
Chinese Research Academy of Environmental Sciences
Beidou Xi
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and device for controlling pollutants in metal mine water re...
Patent number
11,332,400
Issue date
May 17, 2022
Chinese Research Academy of Environmental Sciences
Beidou Xi
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and device for controlling pollutants in basin water resourc...
Patent number
11,261,115
Issue date
Mar 1, 2022
Chinese Research Academy of Environmental Sciences
Lei Wang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and device for preventing and controlling pollutants in basi...
Patent number
11,230,485
Issue date
Jan 25, 2022
Chinese Research Academy of Environmental Sciences
Beidou Xi
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and device for controlling pollutants in basin water used fo...
Patent number
11,174,184
Issue date
Nov 16, 2021
Chinese Research Academy of Environmental Sciences
Beidou Xi
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
System for preventing and controlling heavy metals and method for p...
Patent number
11,174,182
Issue date
Nov 16, 2021
Chinese Research Academy of Environmental Sciences
Lei Wang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND DEVICE FOR PREVENTING AND CONTROLLING POLLUTANTS IN THE...
Publication number
20210188677
Publication date
Jun 24, 2021
Chinese Research Academy of Environmental Sciences
BEIDOU XI
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD AND DEVICE FOR CONTROLLING POLLUTANTS IN BASIN WATER RESOURC...
Publication number
20210179465
Publication date
Jun 17, 2021
Chinese Research Academy of Environmental Sciences
LEI WANG
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD AND DEVICE FOR CONTROLLING POLLUTANTS IN METAL MINE WATER RE...
Publication number
20210171380
Publication date
Jun 10, 2021
Chinese Research Academy of Environmental Sciences
LEI WANG
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD AND DEVICE FOR PREVENTING AND CONTROLLING POLLUTANTS IN BASI...
Publication number
20210171379
Publication date
Jun 10, 2021
Chinese Research Academy of Environmental Sciences
BEIDOU XI
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
SYSTEM FOR PREVENTING AND CONTROLLING HEAVY METALS AND METHOD FOR P...
Publication number
20200399157
Publication date
Dec 24, 2020
Chinese Research Academy of Environmental Sciences
LEI WANG
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD AND DEVICE FOR CONTROLLING POLLUTANTS IN BASIN WATER USED FO...
Publication number
20200392027
Publication date
Dec 17, 2020
BEIDOU XI
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE