For the Inventor, By the Inventor

Enter assignee name

Qiqihar Railway Rolling Stock Co., Ltd.

USPTO Granted Patents = 14

CIPO Patents = 70

Trademarks = 1

Forward Citations = 17

Loading Chart...

Loading Chart...

127 inventors (with patents filed for the assignee):

Yuebin Yu (5 out of 7 patents)

Haibin Hu (5 out of 7 patents)

Zhenming Liu (5 out of 7 patents)

4. Pingwei Yin (4 out of 5 patents)

5. Shuming Xing (4 out of 4 patents)

6. Shifeng Xu (3 out of 6 patents)

7. Wendong Shao (3 out of 4 patents)

8. Linghan Yue (3 out of 3 patents)

9. Yan Jiang (3 out of 5 patents)

10. Yingjun Cui (3 out of 5 patents)

11. Qingmin Meng (3 out of 7 patents)

12. Lei Yu (2 out of 27 patents)

13. Yong Fu (2 out of 3 patents)

14. Shengkun Wang (2 out of 3 patents)

15. Tianjun Zhao (2 out of 4 patents)

14 patents: Sort by Forward Citations

1. 9216748 - Bogie and side frame thereof (2015-12-22),

2. 9061688 - Bottom door device and hopper car having the same (2015-06-23),

3. 8950340 - Ballast hopper car discharge door control system (2015-02-10),

4. 8939088 - Bottom door opening-closing mechanism, bottom door device and drop-bottom hopper car (2015-01-27),

5. 8746493 - Tank container, tank body and processing method of tank body (2014-06-10),

6. 8684199 - Coupler yoke and coupler draft gear (2014-04-01),

7. 8671845 - Central suspension device, wagon bogie and express railway wagon (2014-03-18),

8. 8561548 - Journal box rubber pad and bogie (2013-10-22),

9. 8561546 - Bogie (2013-10-22),

10. 8469211 - Coupler draft gear, double-side operating coupler and lower lockpin rotation shaft assembly (2013-06-25),

11. 8468954 - Side wall and boxcar of railway wagon (2013-06-25),

12. 8448580 - Freight car bogie and freight car (2013-05-28),

13. 8336464 - Freight car bogie and freight car (2012-12-25),

14. 8186525 - Coupler and anti-creep mechanism for the same (2012-05-29),

Qiqihar Railway Rolling Stock Co., Ltd. is a leading manufacturer of railway rolling stock in China. With more than 60 years of experience, the company specializes in the design, production, and maintenance of various types of locomotives, train cars, and other railway vehicles. Qiqihar Railway Rolling Stock Co., Ltd. is committed to providing safe, reliable, and innovative solutions for the global railway industry. Their state-of-the-art facilities and skilled workforce ensure the highest quality standards in the production of rolling stock. The company has successfully supplied rolling stock to both domestic and international customers, contributing to the development of modern rail transportation worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

14 Patents

#11 in

#1,798 in China

#40,867 in the World

Qiqihar Railway Rolling Stock Co., Ltd.

Forward Citations = 17

127 inventors:

Yuebin Yu (5 out of 7 patents)

Haibin Hu (5 out of 7 patents)

Zhenming Liu (5 out of 7 patents)

4. Pingwei Yin (4 out of 5 patents)

5. Shuming Xing (4 out of 4 patents)

Please report any incorrect information to support@idiyas.com

Loading…