Nanjing, China

Changxi Dai

This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: Chervon (Hk) Limited. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Changxi Dai. Retrieved from https://idiyas.com/inventor/changxi-dai

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

USPTO Granted Patents = 1 

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2016

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1 patent (USPTO):Explore Patents

Title: Changxi Dai - Innovator in Power Tools

Introduction

Changxi Dai is a notable inventor based in Nanjing, China. He has made significant contributions to the field of power tools, particularly with his innovative designs that enhance functionality and efficiency. His work is recognized for its practical applications in everyday tools.

Latest Patents

Changxi Dai holds a patent for a through-hole type power ratchet wrench. This innovative tool includes a socket bracket, a swingable member, a ratchet socket, first and second pawls, and first and second resilient elements. The design allows the swingable member to be disposed in the socket bracket and adjacent to the outer surface of the ratchet socket. The pawls are swingably fixed on the swingable member and are biased by the respective resilient elements, enabling them to engage with the outer surface of the ratchet socket. Additionally, the wrench features a limiting member that isolates one of the pawls from the ratchet socket, enhancing its usability.

Career Highlights

Changxi Dai is currently employed at Chervon (HK) Limited, where he continues to innovate and develop new tools. His work at Chervon has allowed him to collaborate with other talented engineers and inventors in the field.

Collaborations

Some of his notable coworkers include Liang Chen and Junliu Zhang. Their combined expertise contributes to the advancement of power tool technology at Chervon.

Conclusion

Changxi Dai's contributions to the field of power tools, particularly through his patented designs, demonstrate his commitment to innovation and practicality. His work continues to influence the industry and improve the functionality of everyday tools.

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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