Patents by Inventor Kaijing Xu

Kaijing Xu 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: 20250230879
    Abstract: One-to-four solenoid valve tube control structure, comprising a five-way pipe, wherein the five-way pipe comprises a water inlet pipe, first water outlets provided on both sides of one end of the water inlet pipe, and water distribution pipes provided on both sides of the water inlet pipe; the water distribution pipe is located above the first water outlet, and a top of the first water outlet is provided with a valve cavity eccentrically arranged therewith; an inside of the water inlet pipe is provided with a separating rib. The water inlet pipe is directly connected to the two first water outlets, which maximizes the use of the five-way pipe body space, meets the daily use needs of users, reduces the size of the product, saves mold and production costs, and the separating rib separates the water flow into two streams.
    Type: Application
    Filed: June 28, 2024
    Publication date: July 17, 2025
    Inventor: Kaijing Xu
  • Patent number: D896105
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: September 15, 2020
    Inventor: Kaijing Xu
  • Patent number: D924700
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: July 13, 2021
    Assignee: Ningbo Hanci Electrical Co., Ltd.
    Inventor: Kaijing Xu
  • Patent number: D1019423
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: March 26, 2024
    Assignee: Ningbo Hanci Electrical Co., Ltd.
    Inventor: Kaijing Xu