Shanghai, China

Changle Li

This inventor holds 6 USPTO granted patents and 1 published patent application and 4 EPO patents. Top assignees: Otis Elevator Company, Hamilton Sundstrand Corporation. Active years: 2020-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Changle Li. Retrieved from https://idiyas.com/inventor/changle-li-k2zgwg9g

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

USPTO Granted Patents = 6 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.6

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2020-2025

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6 patents (USPTO):Explore Patents

Title: Innovations by Changle Li in Elevator Technology

Introduction

Changle Li is a notable inventor based in Shanghai, China, recognized for his contributions to elevator technology. With a total of six patents to his name, he has developed innovative solutions aimed at enhancing passenger safety and convenience in elevator systems.

Latest Patents

One of Changle Li's latest patents is an "Automatic detection for abnormal movement of passenger in elevator." This invention features a movement detection system that includes a Bluetooth module mounted in the elevator landing area. It utilizes a movement prediction unit to determine whether a passenger's movement is normal or abnormal based on Bluetooth movement data. This system is particularly beneficial for elevator systems that can complete a call operation without requiring any input from the passenger.

Another significant patent is the "Elevator calling system having adjustable elevator calling distance." This invention provides an automatic elevator-calling system and control method that allows for the configuration of an adjustable elevator calling distance. This distance is defined as the range between a personal mobile terminal, which can sense a wireless signal, and a wireless signal apparatus. The system enhances the overall elevator calling experience for passengers by allowing for more flexible and user-friendly operation.

Career Highlights

Changle Li has worked with prominent companies in the elevator industry, including Otis Elevator Company and Hamilton Sundstrand Corporation. His experience in these organizations has significantly contributed to his expertise in elevator technology and innovation.

Collaborations

Changle Li has collaborated with several professionals in his field, including Adriaan Joris H Larmuseau and Qingqing Zhang, who is a woman. These collaborations have likely enriched his work and led to further advancements in his inventions.

Conclusion

Changle Li's innovative patents and career in elevator technology demonstrate his commitment to improving passenger safety and convenience. His work continues to influence the industry and pave the way for future advancements in elevator systems.

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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