XUDONG LIU

Follow

Person

QINGDAO, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method for preparing hydrogen sulfide from sulfur dioxide by electr...
- Patent number 12,129,566
- Issue date Oct 29, 2024
- Central South University
- Hui Liu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Locking device and opening and closing mechanism having the same
- Patent number 10,655,381
- Issue date May 19, 2020
- CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
- Hui Liu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PREPARING HYDROGEN SULFIDE FROM SULFUR DIOXIDE BY ELECTR...
- Publication number 20220316078
- Publication date Oct 6, 2022
- Central South University
- Hui LIU
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
LOCKING DEVICE AND OPENING AND CLOSING MECHANISM HAVING THE SAME
- Publication number 20180094473
- Publication date Apr 5, 2018
- CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
- Hui Liu
- B61 - RAILWAYS
Information Patent Application
OPENING/CLOSING MECHANISM EQUIPPED WITH A SELF-LOCK DEVICE
- Publication number 20160115727
- Publication date Apr 28, 2016
- QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
- HUI LIU
- B61 - RAILWAYS