Zhenmin Zhang

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Haidian District, CN

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Patents Grantslast 30 patents

Information Patent Grant
Fuming furnace with lead collecting and discharging function
- Patent number 10,443,112
- Issue date Oct 15, 2019
- CHINA ENFI ENGINEERING CORPORATION
- Dawei Cui
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Refractory protection layer for metallurgical furnace
- Patent number 10,415,883
- Issue date Sep 17, 2019
- CHINA ENFI ENGINEERING CORPORATION
- Budong Zheng
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Lance and multi-fluid lance device equipped with the same
- Patent number 10,260,815
- Issue date Apr 16, 2019
- CHINA ENFI ENGINEERING CORPORATION
- Liqiong Hu
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Lance
- Patent number 10,113,800
- Issue date Oct 30, 2018
- CHINA ENFI ENGINEERING CORPORATION
- Dong Li
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Device making phosphorus by thermal process
- Patent number 8,784,744
- Issue date Jul 22, 2014
- China Enfi Engineering Corp.
- Xiaomei Feng
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Reduction-oxidation furnace for making phosphorus by thermal process
- Patent number 8,741,226
- Issue date Jun 3, 2014
- China Enfi Engineering Corp.
- Xiaomei Feng
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
REFRACTORY PROTECTION LAYER FOR METALLURGICAL FURNACE
- Publication number 20180172350
- Publication date Jun 21, 2018
- CHINA ENFI ENGINEERING CORPORATION
- Budong ZHENG
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Application
LANCE AND MULTI-FLUID LANCE DEVICE EQUIPPED WITH THE SAME
- Publication number 20180172352
- Publication date Jun 21, 2018
- CHINA ENFI ENGINEERING CORPORATION
- Liqiong HU
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Application
LANCE
- Publication number 20180094857
- Publication date Apr 5, 2018
- CHINA ENFI ENGINEERING CORPORATION
- Dong Li
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Application
FUMING FURNACE WITH LEAD COLLECTING AND DISCHARGING FUNCTION
- Publication number 20170283907
- Publication date Oct 5, 2017
- CHINA ENFI ENGINEERING CORPORATION
- Dawei CUI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
REDUCTION-OXIDATION FURNACE FOR MAKING PHOSPHORUS BY THERMAL PROCESS
- Publication number 20120134885
- Publication date May 31, 2012
- Sichuan Chuanheng Chemical Corporation
- Xiaomei Feng
- C01 - INORGANIC CHEMISTRY
Information Patent Application
DEVICE MAKING PHOSPHORUS BY THERMAL PROCESS
- Publication number 20120128544
- Publication date May 24, 2012
- Sichuan Chuanheng Chemical Corporation
- Xiaomei Feng
- C01 - INORGANIC CHEMISTRY