This inventor holds 10 USPTO granted patents and 7 EPO patents. Top assignees: Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai, Gree Electric Appliances, Inc. of Zhuhai, Green Refrigeration Equipment Engineering Research Center of Zhuhai Gree Co., Ltd.. Active years: 2019-2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Guangdong, CN (2019 - 2020)
- Zhuhai, CN (2020 - 2023)
Company Filing History:

Years Active: 2019-2023
Title: Innovations of Jianning Liu
Introduction
Jianning Liu is a prominent inventor based in Zhuhai, China. He has made significant contributions to the field of engineering, particularly in the development of advanced motor technologies. With a total of 10 patents to his name, Liu's work showcases his innovative spirit and technical expertise.
Latest Patents
Among his latest patents are the rotor shaft assembly, rotor, and motor. This invention includes a rotor shaft assembly that features a magnetic core, a first end shaft, a second end shaft, and a protective sleeve. The protective sleeve is designed with a sequence of through holes, allowing for the proper arrangement of the components. Additionally, Liu has developed a motor rotor and a permanent magnet motor. This invention includes a rotating shaft and a magnetic layer, along with a heat diffusion layer that enhances the efficiency of heat dissipation, preventing overheating of the shielding layer and magnetic layer.
Career Highlights
Jianning Liu has worked with notable companies such as Gree Green Refrigeration Technology Center Co., Ltd. and Gree Electric Appliances, Inc., both located in Zhuhai. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in refrigeration and motor technologies.
Collaborations
Liu has collaborated with talented individuals in his field, including Xiaobo Zhang and Fang Zhang. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Jianning Liu's contributions to the field of engineering through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, paving the way for future innovations in motor technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile