Xiaofeng LIN

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Beijing, CN

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Patents Grantslast 30 patents

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

Patents Applicationslast 30 patents

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