Patents by Inventor Keith H. Dai

Keith H. Dai 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: 11312549
    Abstract: A bottle cap includes a body and a security ring. The body has multiple breakable bridge portions located along the periphery of the body and connected to the security ring. Two non-breakable plates are connected between the body and the security ring. Each of the non-breakable plates includes multiple turning positions and multiple angles. When the multiple breakable bridge portions are broken, the non-breakable plates are still connected to the security ring. The non-breakable plates are extendable so that the body can be pulled away from the security ring for a distance.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: April 26, 2022
    Assignee: TAIWAN HON CHUAN ENTERPRISE CO., LTD.
    Inventor: Keith H Dai
  • Publication number: 20200399036
    Abstract: A bottle cap includes a body and a security ring. The body has multiple breakable bridge portions located along the periphery of the body and connected to the security ring. Two non-breakable plates are connected between the body and the security ring. Each of the non-breakable plates includes multiple turning positions and multiple angles. When the multiple breakable bridge portions are broken, the non-breakable plates are still connected to the security ring. The non-breakable plates are extendable so that the body can be pulled away from the security ring for a distance.
    Type: Application
    Filed: June 19, 2019
    Publication date: December 24, 2020
    Inventor: Keith H. Dai