Patents by Inventor Jianqiang Ning

Jianqiang Ning 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: 20240023781
    Abstract: Disclosed is a device structure for multistage water-air separation of a cleaning machine, where an inner wall of a water-air separation box, an outer wall and a bottom plate of a structure part, and a coarse filter screen are enclosed into a primary separation bin, the primary separation bin surrounds the structure part as a center, a side wall of the water-air separation box is provided with an air inlet duct, one end of the air inlet duct is provided with an air outlet and extends into the primary separation bin, the air outlet of the air inlet duct faces a circumferential direction of the primary separation bin, the side wall of the water-air separation box is also provided with a water outlet communicated with an interior of the primary separation bin, and a first opening is connected with a main motor having a suction function.
    Type: Application
    Filed: March 7, 2023
    Publication date: January 25, 2024
    Inventor: Jianqiang Ning
  • Publication number: 20240008698
    Abstract: Disclosed is a device structure for automatically opening and closing a wastewater tank valve of a cleaning machine, including a cleaning machine body which is provided with a water-air separation chamber at a top and is detachably mounted with a wastewater tank at a bottom, the water-air separation chamber is provided with one end connected to a water drawing pipe and the other end connected to a main motor having a suction function, and provided with a drain port at a bottom end, the wastewater tank is provided with a wastewater tank inlet at a top end, and the drain port is communicated with the wastewater tank inlet. The wastewater tank inlet is cooperated with a water closing valve which is connected to a drive device, the drive device is capable of driving the water closing valve to open and close the wastewater tank inlet.
    Type: Application
    Filed: February 22, 2023
    Publication date: January 11, 2024
    Inventor: Jianqiang Ning
  • Patent number: D1047321
    Type: Grant
    Filed: January 20, 2023
    Date of Patent: October 15, 2024
    Assignee: GuangDong Well Technology Co., Ltd
    Inventor: Jianqiang Ning