Chongqing, China

Fei Liu

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Chongqing University, Beijing Tsinghua Software Information Technology Co., Ltd., Chongqing Haiteke System Integration Co., Ltd.. Active years: 2018-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fei Liu. Retrieved from https://idiyas.com/inventor/fei-liu-f4zihf7c

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 66.7

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2018-2026

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3 patents (USPTO):Explore Patents

Title: Fei Liu: Innovator in Gear Technology and CNC Machining

Introduction

Fei Liu is a notable inventor based in Chongqing, China, recognized for his contributions to gear technology and computer numerical control (CNC) machining. With a total of 3 patents, Liu has made significant advancements in the field, particularly in the design and functionality of gear pairs and machining processes.

Latest Patents

Liu's latest patents include an innovative internal meshing cylindrical gear pair with constant meshing characteristics constructed tooth pair. This invention features an external cylindrical gear and an internal cylindrical gear, both designed based on conjugate curves. The unique aspect of this design is that the normal tooth profile curves are continuous combined curves, facilitating machining with the same cutter. Additionally, Liu has developed a method for judging key moments in the machining process for CNC machine tools. This method identifies critical moments such as feeding starting and ending moments, cutting starting and ending moments, and utilizes real-time power comparisons to enhance machining efficiency.

Career Highlights

Fei Liu has worked at prestigious institutions, including Chongqing University and Beijing Tsinghua Software Information Technology Co., Ltd. His experience in these organizations has contributed to his expertise in gear technology and CNC machining.

Collaborations

Liu has collaborated with notable colleagues, including Chao Wang and Qingning Zhao, who have supported his innovative endeavors in the field.

Conclusion

Fei Liu's contributions to gear technology and CNC machining demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of engineering principles and a drive to improve machining processes.

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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