Patents by Inventor Zhirong Yan

Zhirong Yan 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).

  • Closure assembly
    Patent number: 8242915
    Abstract: A closure assembly is provided that prevents tampering and counterfeiting of a container while at the same time protecting the contents stored therein from contaminants such as air and moisture. The closure assembly may include an upper closure portion securable to the container and a lower closure portion attached to the upper closure portion and securable to the container and adapted to evidence disengagement from the container. The lower closure portion may include a first section having a first cross section and a second section having a second cross section. The second cross section may be smaller than the first cross section, and may be adapted to evidence disengagement from the container if the lower closure portion is disengaged from the container.
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: August 14, 2012
    Assignee: Access Business Group International LLC
    Inventors: Zhirong Yan, Chang Biao Chai
  • Closure assembly
    Publication number: 20090134113
    Abstract: A closure assembly is provided that prevents tampering and counterfeiting of a container while at the same time protecting the contents stored therein from contaminants such as air and moisture. The closure assembly may include an upper closure portion securable to the container and a lower closure portion attached to the upper closure portion and securable to the container and adapted to evidence disengagement from the container. The lower closure portion may include a first section having a first cross section and a second section having a second cross section. The second cross section may be smaller than the first cross section, and may be adapted to evidence disengagement from the container if the lower closure portion is disengaged from the container.
    Type: Application
    Filed: November 26, 2007
    Publication date: May 28, 2009
    Inventors: Zhirong Yan, Chang Biao Chai
  • Closure assembly
    Patent number: D584613
    Type: Grant
    Filed: May 22, 2007
    Date of Patent: January 13, 2009
    Assignee: Access Business Group International LLC
    Inventors: Zhirong Yan, Chang Biao Chai