CHINA RAILWAY NO. 2 ENGINEERING GROUP CO., LTD.

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for inversion of corresponding line mileage and offset by us...
- Patent number 11,829,687
- Issue date Nov 28, 2023
- China Railway No. 2 Engineering Group Co., Ltd.
- Weiyu Yang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Construction method for upright lifting of large-tonnage box girder...
- Patent number 11,391,004
- Issue date Jul 19, 2022
- China Railway No. 2 Engineering Group Co. LTD.
- Yusen Ye
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR INVERSION OF CORRESPONDING LINE MILEAGE AND OFFSET BY US...
- Publication number 20230259668
- Publication date Aug 17, 2023
- CHINA RAILWAY NO. 2 ENGINEERING GROUP CO., LTD.
- Weiyu YANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Construction method for upright lifting of large-tonnage box girder...
- Publication number 20220220678
- Publication date Jul 14, 2022
- CHINA RAILWAY NO. 2 ENGINEERING GROUP CO., LTD.
- Yusen YE
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Trademarklast 30 trademarks