Patents by Inventor Derrick Chang

Derrick 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).

  • Multiple level container
    Patent number: 9427062
    Abstract: Cosmetic containers having multiple levels, a lid, and a base, in which the opening of the lid also provides access to at least first and second levels having one or more compartments for products and/or applicators. The base may contain a first level, and be coupled via a first linkage to a second level. The lid may be coupled by a pivot assembly to the base and to the second level by a second linkage. The overall assembly may allow access to both the first level and the second level on opening the lid.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: August 30, 2016
    Assignee: HCT GROUP HOLDINGS LIMITED
    Inventors: David Jeffrey Eberlein, Derrick Chang
  • MULTIPLE LEVEL CONTAINER
    Publication number: 20160007714
    Abstract: Cosmetic containers having multiple levels, a lid, and a base, in which the opening of the lid also provides access to at least first and second levels having one or more compartments for products and/or applicators. The base may contain a first level, and be coupled via a first linkage to a second level. The lid may be coupled by a pivot assembly to the base and to the second level by a second linkage. The overall assembly may allow access to both the first level and the second level on opening the lid.
    Type: Application
    Filed: July 10, 2015
    Publication date: January 14, 2016
    Applicant: HCT GROUP HOLDINGS LIMITED
    Inventors: David Jeffrey Eberlein, Derrick Chang
  • Cosmetic container
    Patent number: D752813
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: March 29, 2016
    Assignee: HCT GROUP HOLDINGS LIMITED
    Inventors: Armando Villarreal, Kamaal Washington, Megan Rene Langdon, Derrick Chang