Dawei Zhang

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Shengyang, Liaoning Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for regenerating activated coke used for treat...
- Patent number 8,388,902
- Issue date Mar 5, 2013
- Dawei Zhang
- Dawei Zhang
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR TREATING BLACK AND ODOROUS RIVER
- Publication number 20190127245
- Publication date May 2, 2019
- MISSISSIPPI INTERNATIONAL WATER INC.
- Dawei Zhang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Trademarklast 30 trademarks