Patents by Inventor Chin-Tan Chang

Chin-Tan Chang 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).

  • Rotational aroma diffuser structure
    Patent number: 11382999
    Abstract: An aroma diffuser structure includes a base, a holding member, a frame, an adjusting member, and an aroma diffuser. The holding member is mounted on the base and has a screw hole. The frame is mounted on the holding member and has an upper portion provided with a first magnetic member. The adjusting member has an external threaded section extending through the frame and screwed through the screw hole of the holding member. The aroma diffuser has a plurality of air vents. The aroma diffuser is rotatable on the adjusting member and has a top provided with a rotation shaft which is provided with a second magnetic member magnetically attracted with the first magnetic member.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: July 12, 2022
    Inventor: Chin-Tan Chang
  • Rotational Aroma Diffuser Structure
    Publication number: 20210128771
    Abstract: An aroma diffuser structure includes a base, a holding member, a frame, an adjusting member, and an aroma diffuser. The holding member is mounted on the base and has a screw hole. The frame is mounted on the holding member and has an upper portion provided with a first magnetic member. The adjusting member has an external threaded section extending through the frame and screwed through the screw hole of the holding member. The aroma diffuser has a plurality of air vents. The aroma diffuser is rotatable on the adjusting member and has a top provided with a rotation shaft which is provided with a second magnetic member magnetically attracted with the first magnetic member.
    Type: Application
    Filed: July 14, 2020
    Publication date: May 6, 2021
    Inventor: Chin-Tan Chang
  • Set-top enclosure
    Patent number: D745480
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: December 15, 2015
    Assignee: ARRIS Enterprises, Inc.
    Inventors: Carol Mathews, Yung-Chun Lun, Gary A. Dorfner, Chin-Tan Chang, Kevin T. Chang