Minghui Dong

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Shijiazhuang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Energy efficient vertical cryogenic tank
- Patent number 9,638,373
- Issue date May 2, 2017
- Lanhui Zhai
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents

Information Patent Application
A Floating Ball Filling-control Device for Cryogenic tank
- Publication number 20160138761
- Publication date May 19, 2016
- SHIJIAZHUANG ENRIC GAS EQUIPMENT CO., LTD
- Wukai WANG
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Application
Energy Efficient Vertical Cryogenic Tank
- Publication number 20150330576
- Publication date Nov 19, 2015
- Shijiazhuang Enric Gas Equipment Co., Ltd
- Lanhui ZHAI
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS