Guangdan Liu

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Anti-pollution-flashover locomotive roof composite insulator
- Patent number 10,179,594
- Issue date Jan 15, 2019
- Beijing Railway Institute of Mechanical & Electrical Engineering Co., Ltd.
- Sha Li
- B61 - RAILWAYS
Information Patent Grant
Interface breakdown-proof locomotive roof composite insulator
- Patent number 9,828,005
- Issue date Nov 28, 2017
- Beijing Railway Institute of Mechanical & Electrical Engineering Co., Ltd.
- Sha Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Under-floor lifting jack for high-speed electric multiple unit trai...
- Patent number 9,045,150
- Issue date Jun 2, 2015
- BEIJING RAILWAY INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING CO. LTD
- Yinghao Li
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
ANTI-POLLUTION-FLASHOVER LOCOMOTIVE ROOF COMPOSITE INSULATOR
- Publication number 20160325764
- Publication date Nov 10, 2016
- BEIJING RAILWAY INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING CO., LTD
- Sha LI
- B61 - RAILWAYS
Information Patent Application
INTERFACE BREAKDOWN-PROOF LOCOMOTIVE ROOF COMPOSITE INSULATOR
- Publication number 20160325763
- Publication date Nov 10, 2016
- BEIJING RAILWAY INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING CO., LTD
- Sha LI
- B61 - RAILWAYS
Information Patent Application
UNDER-FLOOR LIFTING JACK FOR HIGH-SPEED ELECTRIC MULTIPLE UNIT TRAI...
- Publication number 20120025158
- Publication date Feb 2, 2012
- Yinghao Li
- B61 - RAILWAYS