CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP CO.,LTD

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Wuhan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for controlling stratum deformation in shield...
- Patent number 11,927,098
- Issue date Mar 12, 2024
- CHINA RAILWAY 14TH BUREAU GROUP CO., LTD.
- Jian Chen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for analyzing correlation between rail transit and direct cu...
- Patent number 11,815,564
- Issue date Nov 14, 2023
- State Grid Hubei Electric Power Research Institute
- Zeyang Tang
- G01 - MEASURING TESTING

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Patents Applicationslast 30 patents

Information Patent Application
THREE-DIMENSIONAL MODEL GENERATING METHOD AND APPARATUS, AND ELECTR...
- Publication number 20240177415
- Publication date May 30, 2024
- CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP CO.,LTD
- Chengdu CAO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Controlling Stratum Deformation in Shield...
- Publication number 20220397036
- Publication date Dec 15, 2022
- CHINA RAILWAY 14TH BUREAU GROUP CO., LTD.
- Jian CHEN
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR ANALYZING CORRELATION BETWEEN RAIL TRANSIT AND DIRECT CU...
- Publication number 20220317205
- Publication date Oct 6, 2022
- STATE GRID HUBEI ELECTRIC POWER RESEARCH INSTITUTE
- Zeyang Tang
- G01 - MEASURING TESTING

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Trademarklast 30 trademarks

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79354708 - CRFSDI
- Serial number 79354708
- Registration number 7296154
- Filing date Oct 12, 2022
- CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP CO., LTD.
- 6 - Common metals and their alloys