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For the Inventor, By the Inventor

Chongqing, China

Cisdi Engineering Co., Ltd

Calculating rank
USPTO Granted Patents = 9

% Expired Patents = 22.2


Trademarks = 2

Forward Citations = 2

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26 inventors (with patents filed for the assignee):

goldMedal Qiming Huang (4 out of 5 patents)

silverMedal Zhan Gao (4 out of 4 patents)

bronzeMedal Weizhi Shi (4 out of 4 patents)

4.  Cunzhen Tan (4 out of 5 patents)

5.  Yu Ai (2 out of 2 patents)

6.  Yuchuan Zhang (2 out of 3 patents)

7.  Zhiwei Han (1 out of 2 patents)

8.  Xiaohua Peng (1 out of 2 patents)

9.  Yongmen Wang (1 out of 1 patent)

10.  Jingya Liu (1 out of 1 patent)

11.  Shusheng Wang (1 out of 2 patents)

12.  Wenjun Dai (1 out of 2 patents)

13.  Shanglun Chen (1 out of 1 patent)

14.  Shang Lun Chen (1 out of 1 patent)

15.  Chunting Liu (1 out of 1 patent)


9 patents:

1. 12251745 - Thin strip production process employing continuous casting and rolling (2025-03-18),
2. 12065708 - Coaxial dual supersonic speed oxygen flow coherent oxygen lance (2024-08-20),
3. 11680749 - Feeder device utilized in electric arc furnace, and flue gas and temperature control method (2023-06-20),
4. 11668526 - Continuous horizontal-feeding preheating device and preheating enhancement method thereof (2023-06-06),
5. 11613437 - Arrangement structure of a stacker device (2023-03-28),
6. 10928136 - Steel scrap preheating-type electric furnace and method for improving heating cold area of side wall charging electric arc furnace (2021-02-23),
7. 10858179 - Tipping hopper and control method thereof (2020-12-08),
8. 10767737 - Smart self-adaptive planetary transmission device with small tooth number difference (2020-09-08),
9. 10407258 - Stockyard joint reclaiming system and method (2019-09-10),
Company Overview
Cisdi Engineering Co., Ltd is a leading engineering company providing integrated solutions for the steel industry. With a focus on research and innovation, Cisdi offers a wide range of services including engineering design, project management, and technical consulting. With a global presence and a commitment to excellence, Cisdi is dedicated to helping clients achieve their business objectives efficiently and sustainably.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

9 Patents

#33 in Chongqing

#3,129 in China

Chongqing, CN
Chongqing, China

Cisdi Engineering Co., Ltd

Forward Citations = 2

26 inventors:

goldMedal Qiming Huang (4 out of 5 patents)

silverMedal Zhan Gao (4 out of 4 patents)

bronzeMedal Weizhi Shi (4 out of 4 patents)

4.  Cunzhen Tan (4 out of 5 patents)

5.  Yu Ai (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cisdi Engineering Co., Ltd. Retrieved from https://idiyas.com/company/cisdi-engineering-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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