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4 inventors (with patents filed for the assignee):

Xiaoyang Xu (2 out of 2 patents)

Ting Wang (1 out of 3 patents)

Xiaofeng Liu (1 out of 1 patent)

4. Li Chang (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 9636730 - Apparatus for correcting upward deformation of large member of stainless steel car roof (2017-05-02),

2. 9302355 - Method of processing gear reduction box (2016-04-05),

3. 9260119 - Full butt joint structure of connection joint between side frame and cross beam of bogie frame and assembly welding process (2016-02-16),

4. 9073181 - Combined positioning device for side beam of stainless steel car roof (2015-07-07),

Changchun Railway Vehicles Co. Ltd is a leading manufacturer of railway vehicles in China. With state-of-the-art facilities and a strong focus on research and development, the company is committed to delivering high-quality products and services to clients worldwide. Their product range includes high-speed trains, metro cars, and light rail vehicles.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

4 Patents

#9 in Changchun

#5,610 in China

Changchun, China

Changchun Railway Vehicles Co. Ltd

Forward Citations = 0

4 inventors:

Xiaoyang Xu (2 out of 2 patents)

Ting Wang (1 out of 3 patents)

Xiaofeng Liu (1 out of 1 patent)

4. Li Chang (1 out of 1 patent)

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