Youfeng Sun

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Membrane module and membrane bioreactor, water treatment equipment...
- Patent number 9,434,629
- Issue date Sep 6, 2016
- Beijing Ecojoy Water Technology Co., Ltd.
- Youfeng Sun
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Sewage treatment process and system
- Patent number 9,045,356
- Issue date Jun 2, 2015
- Youfeng Sun
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method and apparatus for cleaning a film seperating device
- Patent number 9,028,622
- Issue date May 12, 2015
- Beijing Ecojoy Water Technology Co., Ltd.
- Youfeng Sun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Sewage Treatment Process and System
- Publication number 20120018374
- Publication date Jan 26, 2012
- Youfeng Sun
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
METHOD AND APPARATUS FOR CLEANING A FILM SEPERATING DEVICE
- Publication number 20110067737
- Publication date Mar 24, 2011
- BEIJING ECOJOY WATER TECHNOLOGY CO., LTD.
- Youfeng Sun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
APPARATUS AND PROCESS FOR TREATING WASTEWATER
- Publication number 20110068058
- Publication date Mar 24, 2011
- BEIJING ECOJOY WATER TECHNOLOGY CO., LTD.
- Youfeng Sun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Membrane Module and Membrane Bioreactor, Water Treatment Equipment...
- Publication number 20100300947
- Publication date Dec 2, 2010
- Youfeng Sun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL