Yuwen LIU

Person

Qingdao, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Train window structure and train with train window structure
- Patent number 11,447,165
- Issue date Sep 20, 2022
- CRRC QINGDAO SIFANG CO., LTD.
- Sansan Ding
- B32 - LAYERED PRODUCTS
Information Patent Grant
Collision energy absorption structure and rail vehicle having same
- Patent number 11,186,300
- Issue date Nov 30, 2021
- CRRC QINGDAO SIFANG CO., LTD.
- Haiyang Yu
- B61 - RAILWAYS
Information Patent Grant
Multi-network convergence method and device
- Patent number 10,939,263
- Issue date Mar 2, 2021
- CRRC QINGDAO SIFANG CO., LTD.
- Fengchao Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Train Window Structure and Train with Train Window Structure
- Publication number 20210284207
- Publication date Sep 16, 2021
- CRRC QINGDAO SIFANG CO., LTD.
- Sansan DING
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Collision energy absorption structure and rail vehicle having same
- Publication number 20210221413
- Publication date Jul 22, 2021
- CRRC QINGDAO SIFANG CO., LTD.
- Haiyang YU
- B61 - RAILWAYS
Information Patent Application
Multi-network convergence method and device
- Publication number 20200336874
- Publication date Oct 22, 2020
- CRRC QINGDAO SIFANG CO., LTD.
- Fengchao WANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Air Conditioner Platform Structure and Vehicle with Air Conditioner...
- Publication number 20200055367
- Publication date Feb 20, 2020
- CRRC QINGDAO SIFANG CO., LTD.
- Yang LI
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD FOR PRODUCING A HOLLOW SUPPORT FROM A FIBER COMPOSITE MATERI...
- Publication number 20190351630
- Publication date Nov 21, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Sansan DING
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Chassis Component of Railway Vehicle, and Railway Vehicle
- Publication number 20190144011
- Publication date May 16, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Xiaojie WANG
- B61 - RAILWAYS

Person

Patents Grantslast 30 patents

Train window structure and train with train window structure

Collision energy absorption structure and rail vehicle having same

Multi-network convergence method and device

Patents Applicationslast 30 patents

Train Window Structure and Train with Train Window Structure

Collision energy absorption structure and rail vehicle having same

Multi-network convergence method and device

Nickel-Plated Carbon Fiber Film, Manufacturing Method of Nickel-Pla...

Air Conditioner Platform Structure and Vehicle with Air Conditioner...

METHOD FOR PRODUCING A HOLLOW SUPPORT FROM A FIBER COMPOSITE MATERI...

Chassis Component of Railway Vehicle, and Railway Vehicle