Chunfeng Zhu

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dredging system and dredger for pre-paved gravel foundation bed sur...
- Patent number 10,689,828
- Issue date Jun 23, 2020
- Shanghai Zhenhua Heavy Industries Co., Ltd.
- Ming Lin
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Dredging System and Dredger for Pre-Paved Gravel Foundation Bed Sur...
- Publication number 20190145081
- Publication date May 16, 2019
- SHANGHAI ZHENHUA HEAVY INDUSTRIES CO., LTD.
- Ming LIN
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
CHEMICAL REACTOR AND ITS USAGE IN CHEMICAL REACTION
- Publication number 20120186972
- Publication date Jul 26, 2012
- Yunlong Li
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL