Guogang Chen

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Qinhuangdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Automatic hub type identifying device
- Patent number 11,097,561
- Issue date Aug 24, 2021
- CITIC Dicastal CO., LTD.
- Zuo Xu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Leak hole leak rate detection device and method
- Patent number 10,466,136
- Issue date Nov 5, 2019
- CITIC Dicastal CO., LTD.
- Zhe Zhou
- G01 - MEASURING TESTING
Information Patent Grant
Device for detecting balance of hub valve hole
- Patent number 10,429,264
- Issue date Oct 1, 2019
- CITIC Dicastal CO., LTD.
- Guogang Chen
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR DETECTING BALANCE OF HUB VALVE HOLE
- Publication number 20190301964
- Publication date Oct 3, 2019
- CITIC DICASTAL CO., LTD
- Guogang Chen
- G01 - MEASURING TESTING
Information Patent Application
AUTOMATIC HUB TYPE IDENTIFYING DEVICE
- Publication number 20190291480
- Publication date Sep 26, 2019
- CITIC DICASTAL CO., LTD
- Jinqi LV
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LEAK HOLE LEAK RATE DETECTION DEVICE AND METHOD
- Publication number 20190033161
- Publication date Jan 31, 2019
- CITIC DICASTAL CO., LTD
- Zhe Zhou
- G01 - MEASURING TESTING
Information Patent Application
AUTOMATIC NON-WOVEN FABRIC LAYING DEVICE
- Publication number 20190032256
- Publication date Jan 31, 2019
- CITIC Dicastal CO.,L TD
- Zhe Zhou
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS