Jue Qian

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Beijing, CN

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Patents Grantslast 30 patents

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

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...