Duanjun Ma

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Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Vehicle door for railway vehicle and railway vehicle comprising the...
- Patent number 10,927,594
- Issue date Feb 23, 2021
- IFE-VICTALL Railway Vehicle Door Systems (Qingdao) Co., Ltd.
- Duanjun Ma
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Detachable container
- Patent number 9,278,802
- Issue date Mar 8, 2016
- CIMC VEHICLES (GROUP) CO., LTD.
- Tianhua Huang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
VEHICLE DOOR FOR RAILWAY VEHICLE AND RAILWAY VEHICLE COMPRISING THE...
- Publication number 20200270938
- Publication date Aug 27, 2020
- IFE-VICTALL Railway Vehicle Door Systems (Qingdao) Co., Ltd.
- Duanjun MA
- B60 - VEHICLES IN GENERAL
Information Patent Application
DETACHABLE CONTAINER
- Publication number 20140326719
- Publication date Nov 6, 2014
- CIMC VEHICLES (GROUP) CO., LTD.
- Tianhua Huang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL