Zhenbang Wang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Water purification and storage system, water-filtering well and pol...
- Patent number 9,359,755
- Issue date Jun 7, 2016
- Beijing Rechsand Science & Technology Group Co., Ltd
- Shengyi Qin
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Composition used for high-strength and impermeable concrete
- Patent number 8,652,250
- Issue date Feb 18, 2014
- Shengyi Qin
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Water Purification and Storage System, Water-Filtering Well and Pol...
- Publication number 20150108053
- Publication date Apr 23, 2015
- Shengyi Qin
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
ANTI-PENETRATION AND GAS PERMEABLE POTTING CONTAINER, PREPARATION M...
- Publication number 20130283685
- Publication date Oct 31, 2013
- BEIJING RECHSAND SCIENCE & TECHNOLOGY GROUP CO., LTD.
- Shengyi Qin
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
COMPOSITION USED FOR HIGH STRENGTH AND IMPERMEABLE CONCRETE
- Publication number 20130104777
- Publication date May 2, 2013
- BEIJING RECHSAND SCIENCE & TECHNOLOGY GROUP CO., LTD.
- Shengyi Qin
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES