Patents by Inventor Yong Hwan DO

Yong Hwan DO 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).

  • Publication number: 20210331010
    Abstract: Disclosed is a pipe-type fire extinguishing equipment for extinguishing a fire inside a ship transport container, including: an agent storage part installed inside the container and storing a fire extinguishing agent for extinguishing a fire; a supply pipe installed on an upper portion inside the container and connected to the agent storage part to receive and guide the fire extinguishing agent; spray holes communicating with the supply pipe and spraying the fire extinguishing agent, which flows through the supply pipe, to the inside of the container; opening/closing members which keep the spray holes closed and open the spray holes upon being melted by heat when a fire occurs; and an alarm sound generation unit connected to the supply pipe and generating an alarm sound by means of the fire extinguishing agent which is supplied to the supply pipe when the fire extinguishing agent is sprayed through the spray holes.
    Type: Application
    Filed: October 4, 2019
    Publication date: October 28, 2021
    Inventors: Jun-Ho HWANG, Sang-Dong KIM, Jeomkee PAIK, Yong Hwan DO