QINGDAO YI ECO-ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing ceramsite by using municipal sludge as raw mat...
- Patent number 10,894,741
- Issue date Jan 19, 2021
- QINGDAO YI ECO-ENVIRONMENTAL PROTECTION TECHNOLOGY CO. LTD
- Rongliang Lin
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Ceramsite produced by using river/lake/sea sludge and seashell powd...
- Patent number 10,737,238
- Issue date Aug 11, 2020
- QINGDAO YI ECO-ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD
- Rongliang Lin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PREPARING CERAMSITE BY USING MUNICIPAL SLUDGE AS RAW MAT...
- Publication number 20200048147
- Publication date Feb 13, 2020
- QINGDAO YI ECO-ENVIRONMENTAL PROTECTION TECHNOLOGY CO. LTD
- Rongliang LIN
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Ceramsite Produced by Using River/Lake/Sea Sludge and Seashell Powd...
- Publication number 20190247824
- Publication date Aug 15, 2019
- QINGDAO YI ECO-ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD
- Rongliang LIN
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Trademarklast 30 trademarks