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Patents Grantslast 30 patents

Information Patent Grant
Double-spiral-tube structure, grouting and pile forming device and...
- Patent number 11,525,231
- Issue date Dec 13, 2022
- Ocean University of China
- Xuguang Chen
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Unloading type sinking rescue device of subsea mining vehicle and u...
- Patent number 11,525,357
- Issue date Dec 13, 2022
- Ocean University of China
- Xuguang Chen
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
MODEL TEST DEVICE AND METHOD FOR CURTAIN GROUTING AND EXCAVATION OF...
- Publication number 20230335014
- Publication date Oct 19, 2023
- Ocean University of China
- Fei Sha
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
EQUIPMENT AND APPLICATION METHOD FOR SINKAGE DETECTION AND ACTIVE E...
- Publication number 20230332503
- Publication date Oct 19, 2023
- Ocean University of China
- Fei Sha
- E21 - EARTH DRILLING MINING
Information Patent Application
DOUBLE-SPIRAL-TUBE STRUCTURE, GROUTING AND PILE FORMING DEVICE AND...
- Publication number 20220251794
- Publication date Aug 11, 2022
- Ocean University of China
- Xuguang CHEN
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
UNLOADING TYPE SINKING RESCUE DEVICE OF SUBSEA MINING VEHICLE AND U...
- Publication number 20220251955
- Publication date Aug 11, 2022
- Ocean University of China
- Xuguang CHEN
- E21 - EARTH DRILLING MINING