This inventor holds 19 USPTO granted patents and 1 published patent application and 3 EPO patents, primarily in Material Handling Equipment. Top assignees: Qingdao Huatian Hand Truck, Co., Ltd, Qingdao Huatian Hand Truck Co., Ltd., Haier Smart Home Co., Ltd.. Active years: 2006-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
8 out of 14 
5 out of 5 
3 out of 303 Years Active: 2006-2026
Areas of Expertise:
Title: Innovator Spotlight: Zhijun Liu - Revolutionizing Handlebar Fixing Devices and Refrigerator Doors in Qingdao
Introduction: Zhijun Liu, a talented inventor based in Qingdao, China, has made significant contributions to the world of innovation with his creative patents and inventive solutions. With a total of 3 patents to his name, Zhijun Liu's work focuses on enhancing the efficiency and safety of everyday objects, from handlebars to refrigerator doors.
Latest Patents: Zhijun Liu's latest patents showcase his dedication to improving practical items. The handlebar fixing device and tool cart patent is designed to secure handlebars in place, minimizing the risk of accidents caused by vibration or collision. Meanwhile, the door for refrigerator, refrigerator, and method of manufacturing the door patent aims to streamline the manufacturing process of refrigerator doors, resulting in higher quality products at a lower cost.
Career Highlights: Zhijun Liu has honed his inventive skills through his work at leading companies such as Qingpao Huatian Handtruck Corporation, Ltd and Qingdao Haier Refrigerator Co., Ltd. His hands-on experience in these companies has provided him with invaluable insights into product design and manufacturing processes, which is evident in the innovative solutions he has developed.
Collaborations: Throughout his career, Zhijun Liu has collaborated with esteemed colleagues such as Xianbing Lv and Ning Wang. These partnerships have been instrumental in bringing his groundbreaking ideas to life and pushing the boundaries of innovation in Qingdao.
Conclusion: Zhijun Liu's commitment to innovation and passion for creating practical solutions have solidified his reputation as a leading inventor in Qingdao. His inventive patents not only showcase his technical prowess but also demonstrate his dedication to improving everyday products for the benefit of society. Zhijun Liu's work serves as a testament to the power of innovation in transforming the way we interact with the world around us.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile