Patents by Inventor Tongying SHI

Tongying SHI 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).

  • DRY ICE PREPARATION DEVICE, AND AIR EXHAUST STRUCTURE AND AIR EXHAUST METHOD FOR DRY ICE PREPARATION DEVICE
    Publication number: 20240270581
    Abstract: A dry ice preparation device includes an ice preparation cavity, one or more ice injection valves, an air exhaust valve, and a liquid inlet pipeline. The one or more ice injection valves are disposed on a distal end of the liquid inlet pipeline and are configured to eject liquid carbon dioxide into the ice preparation cavity by turning on a liquid outlet port. The air exhaust valve is disposed between an air exhaust port and the liquid outlet port to enable the liquid outlet port to be in communication with external air through the air exhaust port.
    Type: Application
    Filed: April 26, 2024
    Publication date: August 15, 2024
    Inventors: Qi LIN, Tongying SHI