Patents by Inventor Yunfei Lian

Yunfei Lian has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230238200
    Abstract: Embodiments of the present application relate to the field of electrical switching technologies, and provide a switch unit and a switching device. The switch unit includes at least one stationary contact assembly. Each stationary contact assembly includes a first stationary contact, a second stationary contact, and a first pin connected to the first stationary contact. The first pin is welded to a circuit board. This can reduce a quantity of contact connections, simplify a connection manner, and improve safety during use.
    Type: Application
    Filed: March 29, 2023
    Publication date: July 27, 2023
    Inventors: Yang Chang, Jian Shi, Zuoyong Gong, Yunfei Lian