Qing TIAN

Follow

Person

Qingdao, Shandong, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method, system and device for controlling door of railway vehicle
- Patent number 11,125,006
- Issue date Sep 21, 2021
- CRRC Qingdao Sifang Co., Ltd.
- Bo Chen
- B61 - RAILWAYS
Information Patent Grant
Alarming and unlocking device
- Patent number 10,464,524
- Issue date Nov 5, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Bo Chen
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method and device for transmitting signal among compartments of train
- Patent number 10,207,725
- Issue date Feb 19, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Miao Wang
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Nickel-Plated Carbon Fiber Film, Manufacturing Method of Nickel-Pla...
- Publication number 20200299894
- Publication date Sep 24, 2020
- CRRC QINGDAO SIFANG CO., LTD.
- Jianying LIANG
- B32 - LAYERED PRODUCTS
Information Patent Application
Method, Device and System for Controlling Fuel Cell and Rail Vehicle
- Publication number 20190305348
- Publication date Oct 3, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Donghua WU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD, SYSTEM AND DEVICE FOR CONTROLLING DOOR OF RAILWAY VEHICLE
- Publication number 20190024436
- Publication date Jan 24, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Bo Chen
- B61 - RAILWAYS
Information Patent Application
ALARMING AND UNLOCKING DEVICE
- Publication number 20190023222
- Publication date Jan 24, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Bo CHEN
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD AND DEVICE FOR TRANSMITTING SIGNAL AMONG COMPARTMENTS OF TRAIN
- Publication number 20170057525
- Publication date Mar 2, 2017
- CRRC QINGDAO SIFANG CO., LTD.
- Miao WANG
- B61 - RAILWAYS