Yi Ren

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Nanyang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dynamic sealing structure and rotary kiln apparatus
- Patent number 12,203,704
- Issue date Jan 21, 2025
- HENAN LONGCHENG COAL HIGH EFFICIENCY TECHNOLOGY APPLICATION CO., LTD.
- Shucheng Zhu
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Slag discharging method in process of producing ultra-low phosphoru...
- Patent number 11,718,885
- Issue date Aug 8, 2023
- NANYANG HANYE SPECIAL STEEL CO., LTD
- Shucheng Zhu
- C21 - METALLURGY OF IRON
Information Patent Grant
Crystallizer copper plate and continuous casting crystallizer
- Patent number 11,534,820
- Issue date Dec 27, 2022
- XIXIA LONGCHENG SPECIAL MATERIAL CO., LTD.
- Xibin Wang
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
HENAN LONGCHENG COAL HIGH EFFICIENCY TECHNOLOGY APPLICATION CO., LTD.
- Publication number 20230033720
- Publication date Feb 2, 2023
- HENAN LONGHENG COAL HIGH EFFICIENCY TECHNOLOGY APPLICATION CO., LTD.
- Shucheng ZHU
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Application
CRYSTALLIZER COPPER PLATE AND CONTINUOUS CASTING CRYSTALLIZER
- Publication number 20220105559
- Publication date Apr 7, 2022
- XIXIA LONGCHENG SPECIAL MATERIAL CO., LTD.
- Xibin Wang
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Slag Discharging Method in Process of Producing Ultra-Low Phosphoru...
- Publication number 20210214813
- Publication date Jul 15, 2021
- NANYANG HANYE SPECIAL STEEL CO., LTD
- Shucheng Zhu
- C21 - METALLURGY OF IRON