Patents by Inventor Chung-Yuan Jiang

Chung-Yuan Jiang 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).

  • Stem structure of cleaning brush
    Patent number: 7617559
    Abstract: A stem structure of a cleaning brush has a stem including a first segment having a threaded hole and at least two tabs all provided on the front end thereof, and a brush element including a body. Predetermined positions of the intermediate section of the body are provided with a through opening for receiving a threaded section of a fixing element and provided with at least two bores corresponding to the tabs. The threaded hole of the first segment of the stem is provided to screw with the threaded section of the fixing element, and the tabs of the first segment of the stem are inserted into the bores of the body. The fixing element is integrally made of plastic material.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: November 17, 2009
    Assignees: Ningeo Xianghua Automobile accessories Manufacturer Co.,Ltd.
    Inventor: Chung-Yuan Jiang
  • Stem Structure of Cleaning Brush
    Publication number: 20090183330
    Abstract: A stem structure of a cleaning brush has a stem including a first segment having a threaded hole and at least two tabs all provided on the front end thereof, and a brush element including a body. Predetermined positions of the intermediate section of the body are provided with a through opening for receiving a threaded section of a fixing element and provided with at least two bores corresponding to the tabs. The threaded hole of the first segment of the stem is provided to screw with the threaded section of the fixing element, and the tabs of the first segment of the stem are inserted into the bores of the body. The fixing element is integrally made of plastic material.
    Type: Application
    Filed: January 17, 2008
    Publication date: July 23, 2009
    Inventor: Chung-Yuan Jiang