Patents by Inventor Jhih-Jhan Dai

Jhih-Jhan 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).

  • Intelligent vacuum packaging apparatus and method
    Patent number: 11459136
    Abstract: A vacuum packing apparatus includes a box, a lid, a solenoid, a vacuum pump, a pressure gauge, a time relay, a thermal sealer and a controller. The box includes a chamber. The lid is connected to the box. The thermal sealer is located in the chamber. The controller is electrically connected to the vacuum pump, the solenoid, the thermal sealer and the time relay. The panel is electrically connected to the controller.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: October 4, 2022
    Assignee: Sun Ling Packaging Machinery Co., Ltd.
    Inventor: Jhih-Jhan Dai
  • Intelligent Vacuum Packaging Apparatus and Method
    Publication number: 20210380291
    Abstract: A vacuum packing apparatus includes a box, a lid, a solenoid, a vacuum pump, a pressure gauge, a time relay, a thermal sealer and a controller. The box includes a chamber. The lid is connected to the box. The thermal sealer is located in the chamber. The controller is electrically connected to the vacuum pump, the solenoid, the thermal sealer and the time relay. The panel is electrically connected to the controller.
    Type: Application
    Filed: May 17, 2021
    Publication date: December 9, 2021
    Inventor: Jhih-Jhan Dai