Hongliang Ren

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Ningbo, CN

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Patents Grantslast 30 patents

Information Patent Grant
Atmospheric-vacuum heat exchange system having coil-wound heat exch...
- Patent number 11,946,004
- Issue date Apr 2, 2024
- Zhenhai Petrochemical Jianan Engineering Co., Ltd.
- Jianliang Wang
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
TUBE SHEET BUILT-IN TYPE STRUCTURE AND SPIRAL-FLOW TYPE WOUND TUBE...
- Publication number 20240200876
- Publication date Jun 20, 2024
- ZHENHAI PETROCHEMICAL JIANAN ENGINEERING CO., LTD.
- Jiang TAO
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Atmospheric-vacuum Heat Exchange System Having Coil-Wound Heat Exch...
- Publication number 20220315842
- Publication date Oct 6, 2022
- ZHENHAI PETROCHEMICAL JIANAN ENGINEERING CO., LTD.
- Jianliang Wang
- F28 - HEAT EXCHANGE IN GENERAL