Patents by Inventor Yonghua ZHENG

Yonghua ZHENG 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).

  • Multi-mode starting dry powder fire extinguishing ball
    Patent number: 12138498
    Abstract: The present invention relates to the technical field of fire extinguishing equipment, and in particular, relates to a multi-mode starting dry powder fire extinguishing ball for fire alarm and automatic starting of a fire extinguishing device, comprising a ball body. A fire extinguishing medium is provided in the ball body; the ball body is also provided with a driving device for enabling the inside of the ball body to expand to the explosion thereof after being started; the driving device is provided with a first lead which extends to the outside of the ball body and can enable the driving device to start after being heated; the driving device is also provided with a second lead which extends to the outside of the ball body and can enable the driving device to start after being powered on.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: November 12, 2024
    Assignee: HUNAN ANMIN SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Yonghua Zheng, Cuifang Chen, Yong Li, Bin Huang
  • MULTI-MODE STARTING DRY POWDER FIRE EXTINGUISHING BALL
    Publication number: 20220080240
    Abstract: The present invention relates to the technical field of fire extinguishing equipment, and in particular, relates to a multi-mode starting dry powder fire extinguishing ball for fire alarm and automatic starting of a fire extinguishing device, comprising a ball body. A fire extinguishing medium is provided in the ball body; the ball body is also provided with a driving device for enabling the inside of the ball body to expand to the explosion thereof after being started; the driving device is provided with a first lead which extends to the outside of the ball body and can enable the driving device to start after being heated; the driving device is also provided with a second lead which extends to the outside of the ball body and can enable the driving device to start after being powered on.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 17, 2022
    Inventors: Yonghua ZHENG, Cuifang CHEN, Yong LI, Bin HUANG