Heilongjiang, China

Yongfeng Yi

This inventor holds 2 USPTO granted patents and 1 published patent application, plus 3 CIPO patents. Top assignees: Qiqihar Railway Rolling Stock Co., Ltd., Dalian Qiche Railway Rolling Stock Co., Ltd.. Active years: 2014-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yongfeng Yi. Retrieved from https://idiyas.com/inventor/yongfeng-yi

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

USPTO Granted Patents = 2 

% Patents Active = 100.0


Average Co-Inventor Count = 6.9

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Heilongjiang, CN (2014)
  • Qiqihar, CN (2015)

Company Filing History:


Years Active: 2014-2015

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2 patents (USPTO):Explore Patents

Title: Innovations of Yongfeng Yi

Introduction

Yongfeng Yi is a notable inventor based in Heilongjiang, China. He has made significant contributions to the field of engineering, particularly in the design and control systems for railway vehicles and tank containers. With a total of two patents to his name, his work reflects a commitment to improving efficiency and safety in transportation.

Latest Patents

Yongfeng Yi's latest patents include a ballast hopper car discharge door control system and a tank container with a unique processing method for its tank body. The ballast hopper car discharge door control system features a control box that integrates an electrical pneumatic control system and a hydraulic system. This invention enhances operational safety by preventing false on-site operations of discharge doors, thereby improving the discharging efficiency of ballast hopper cars and reducing the workload for operators. The tank container patent describes a tank body arranged in a square-shaped frame, which simplifies the molding process and significantly lowers the risk of leakage. This innovative design also enhances the reliability and load capacity of the container.

Career Highlights

Throughout his career, Yongfeng Yi has worked with prominent companies such as Qiqihar Railway Rolling Stock Co., Ltd. and Dalian Qiche Railway Rolling Stock Co., Ltd. His experience in these organizations has allowed him to apply his inventive skills to real-world challenges in the railway industry.

Collaborations

Yongfeng Yi has collaborated with several professionals in

Profile summary based on public USPTO records.
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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