This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Zhejiang Dunan Artificial Environment Co., Ltd., Zhejiang Dunan Artificial Environment Co., Ltd.. Active years: 2025-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 21 
1 out of 45 Years Active: 2025-2026
Title: Yongbin Xuan: Innovator in Valve Technology
Introduction
Yongbin Xuan is a notable inventor based in Shaoxing, China. He has made significant contributions to the field of valve technology, holding a total of 4 patents. His innovative designs focus on enhancing the efficiency and functionality of air conditioning systems and valves.
Latest Patents
Yongbin Xuan's latest patents include a four-way valve and an air conditioning system provided with the same. The four-way valve features a valve body, a piston, and a sealing member. The valve body contains a valve cavity where the piston is movably disposed. The sealing member fits against the inner wall of the valve cavity, effectively separating it into high-pressure and low-pressure chambers. Additionally, the piston is equipped with an air passage structure that communicates with the sealing member and the high-pressure chamber. This design allows for efficient medium contact through the air passage structure.
Another significant patent is a ball valve that includes a valve body, a valve seat, and a valve rod. The valve seat is installed on the valve body, with one end of the valve rod rotatably installed in the valve body. The other end extends out of the valve body via the valve seat. A limiting convex ring is positioned where the valve rod penetrates through the valve seat, preventing separation from the valve body.
Career Highlights
Yongbin Xuan has worked with Zhejiang Dunan Artificial Environment Co., Ltd., a company known for its advancements in artificial environment technologies. His experience in this company has allowed him to develop and refine his innovative ideas in valve technology.
Collaborations
Yongbin has collaborated with notable coworkers such as Huahai Jin and Zhouyang Shou. Their teamwork has contributed to the successful development of his patented technologies.
Conclusion
Yongbin Xuan is a prominent inventor whose work in valve technology has led to significant advancements in air conditioning systems. His innovative patents reflect his commitment to improving efficiency and functionality in this field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile