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Patents Grants
last 30 patents
Information
Patent Grant
Method for controlling hollow fiber nanofiltration membrane system...
Patent number
12,151,210
Issue date
Nov 26, 2024
Greentech Environment Co., Ltd.
Mu Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hollow fiber nanofiltration membrane system and control method thereof
Patent number
12,145,869
Issue date
Nov 19, 2024
Greentech Environment Co., Ltd.
Mu Liu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Drinking water purification system with a backwashable filter cartr...
Patent number
12,023,628
Issue date
Jul 2, 2024
Greentech Environment Co., Ltd.
Mu Liu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Total nitrogen removal device for sewage and method for operating t...
Patent number
11,772,995
Issue date
Oct 3, 2023
Greentech Environment Co., Ltd.
Mu Liu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
System and method for treating reverse-osmosis concentrated water w...
Patent number
11,772,999
Issue date
Oct 3, 2023
Greentech Environment Co., Ltd.
Mu Liu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
System and method for treating printed circuit board (PCB) wastewater
Patent number
11,760,675
Issue date
Sep 19, 2023
Greentech Environment Co., Ltd.
Mu Liu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Dosing control method and system for micro-flocculation in ultrafil...
Patent number
11,440,819
Issue date
Sep 13, 2022
Greentech Environment Co., Ltd.
Mu Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
System for treating reverse-osmosis concentrated water with permane...
Patent number
11,046,593
Issue date
Jun 29, 2021
Greentech Environment Co., Ltd.
Zehua Li
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
SALINE WASTEWATER TREATMENT METHOD AND SYSTEM
Publication number
20240308882
Publication date
Sep 19, 2024
Greentech Environment Co., Ltd.
Mu LIU
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
HOLLOW FIBER NANOFILTRATION MEMBRANE SYSTEM AND CONTROL METHOD THEREOF
Publication number
20240308883
Publication date
Sep 19, 2024
Greentech Environment Co., Ltd.
Mu LIU
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD FOR CONTROLLING HOLLOW FIBER NANOFILTRATION MEMBRANE SYSTEM...
Publication number
20240307824
Publication date
Sep 19, 2024
Greentech Environment Co., Ltd.
Mu LIU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEM AND METHOD FOR TREATING PRINTED CIRCUIT BOARD (PCB) WASTEWATER
Publication number
20230234871
Publication date
Jul 27, 2023
Greentech Environment Co., Ltd.
Mu LIU
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
SYSTEM AND METHOD FOR TREATING REVERSE-OSMOSIS CONCENTRATED WATER W...
Publication number
20230234870
Publication date
Jul 27, 2023
Greentech Environment Co., Ltd.
Mu LIU
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
TOTAL NITROGEN REMOVAL DEVICE FOR SEWAGE AND METHOD FOR OPERATING T...
Publication number
20230227341
Publication date
Jul 20, 2023
Greentech Environment Co., Ltd.
Mu LIU
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
DRINKING WATER PURIFICATION SYSTEM WITH A BACKWASHABLE FILTER CARTR...
Publication number
20220388866
Publication date
Dec 8, 2022
Greentech Environment Co., Ltd.
Mu LIU
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
DOSING CONTROL METHOD AND SYSTEM FOR MICRO-FLOCCULATION IN ULTRAFIL...
Publication number
20220212963
Publication date
Jul 7, 2022
Greentech Environment Co., Ltd.
Mu LIU
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
SYSTEM FOR TREATING REVERSE-OSMOSIS CONCENTRATED WATER WITH PERMANE...
Publication number
20200189937
Publication date
Jun 18, 2020
Greentech Environment Co., Ltd.
Zehua LI
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE