GUANGZHOU LIU

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Qingdao City, Shandong Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Online cleaning device and online cleaning method
- Patent number 11,839,841
- Issue date Dec 12, 2023
- SUNRUI MARINE ENVIRONMENT ENGINEERING CO., LTD.
- Dongxia Duan
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Online antifouling ship ballast water treatment system and ship bal...
- Patent number 10,940,930
- Issue date Mar 9, 2021
- SUNRUI MARINE ENVIRONMENT ENGINEERING CO., LTD.
- Guangzhou Liu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Dehydrogenation tank and ballast water treatment system having the...
- Patent number 10,781,112
- Issue date Sep 22, 2020
- SUNRUI MARINE ENVIRONMENT ENGINEERING CO., LTD.
- Guangzhou Liu
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
ONLINE CLEANING DEVICE AND ONLINE CLEANING METHOD
- Publication number 20200398196
- Publication date Dec 24, 2020
- SUNRUI MARINE ENVIRONMENT ENGINEERING CO., LTD.
- DONGXIA DUAN
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
ONLINE ANTIFOULING SHIP BALLAST WATER TREATMENT SYSTEM AND SHIP BAL...
- Publication number 20180148151
- Publication date May 31, 2018
- SUNRUI MARINE ENVIRONMENT ENGINEERING CO., LTD.
- GUANGZHOU LIU
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
DEHYDROGENATION TANK AND BALLAST WATER TREATMENT SYSTEM HAVING SAME
- Publication number 20180148345
- Publication date May 31, 2018
- SUNRUI MARINE ENVIRONMENT ENGINEERING CO., LTD.
- GUANGZHOU LIU
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
CLEANING LIQUID FOR SHIP BALLAST WATER TREATMENT FILTER, ONLINE CLE...
- Publication number 20180140977
- Publication date May 24, 2018
- SUNRUI MARINE ENVIRONMENT ENGINEERING CO., LTD.
- DONGXIA DUAN
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...