This inventor holds 1 USPTO granted patent. Top assignee: Crrc Qingdao Sifang Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Xiaohui Han and Welding Technology
Introduction
Xiaohui Han is an inventor associated with Qingdao, China, and CRRC Qingdao Sifang Co., Ltd. The supplied information lists 1 patent in her name, focused on a welding device designed to suppress hot cracks.
Latest Patents
Han’s listed patent, “Welding Device for Suppressing Welding Hot Cracks, and Welding System,” describes an apparatus with two spaced fixing plates, a gas-electric slip ring, and a hollow-shaft drive unit. A conductive link passes through the second fixing plate and connects to a curved conductive nozzle. Support rods are distributed around the drive unit’s rotational axis and connect the two plates. During operation, the drive unit rotates the conductive link, causing the nozzle to oscillate. The patent presents this arrangement as a welding system intended to suppress hot cracks.
Career Highlights
The available information connects Han’s patent work with CRRC Qingdao Sifang Co., Ltd., a company based in Qingdao. Her listed invention addresses welding equipment and the movement of a conductive nozzle.
Collaborations
The supplied data names Shuaizhen Li and Zhiyi Zhang as Han’s coworkers. It does not specify their roles in the patent or describe any particular collaboration.
Conclusion
Xiaohui Han’s listed patent centers on an oscillating-nozzle welding device intended to help suppress hot cracks, reflecting her documented contribution to welding technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile