Patents by Inventor Do Jun CHUNG

Do Jun CHUNG 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).

  • Patent number: 12359763
    Abstract: Disclosed is a strainer having a non-powered cleaning function. The present invention enables filtration of foreign substances from fluid by disposing a cylindrical filter mesh inside a main body of the trainer, such that the fluid from an inlet pipe flows through the filter mesh toward an outlet pipe. The present invention also enables cleaning of the filter mesh by disposing a central shaft of a scraper at the center of the filter mesh, and rotating the central shaft such that brushes connected thereto scrape off foreign substances collected on the filter mesh.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: July 15, 2025
    Assignee: FIRE CONTROLS INTERNATIONAL CO., LTD.
    Inventor: Do Jun Chung
  • Publication number: 20240353047
    Abstract: Disclosed is a strainer having a non-powered cleaning function. The present invention enables filtration of foreign substances from fluid by disposing a cylindrical filter mesh inside a main body of the trainer, such that the fluid from an inlet pipe flows through the filter mesh toward an outlet pipe. The present invention also enables cleaning of the filter mesh by disposing a central shaft of a scraper at the center of the filter mesh, and rotating the central shaft such that brushes connected thereto scrape off foreign substances collected on the filter mesh.
    Type: Application
    Filed: August 9, 2022
    Publication date: October 24, 2024
    Inventor: Do Jun CHUNG