Patents by Inventor Kunyuan He

Kunyuan He 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).

  • Water purifier and filter cartridge device thereof
    Patent number: 11684879
    Abstract: A filter cartridge device is disclosed, which includes a water stopping assembly (13) and automatic water locking assemblies (22); wherein the water stopping assembly (13) can control water supply or water cut-off of the filter cartridge device, and prevent residual water inside a filter cavity (111) from flowing out during the process of detaching the filter cartridge device; the automatic water locking assemblies (22) can control water supply or water cut-off between the filter cartridge device and an external pipe, and prevent water inside the external pipe from flowing out during the process of detaching the filter cartridge device; and the water stopping assembly (13) controls water supply or water cut-off of on its side. In addition, a water purifier comprising the filter cartridge device is also disclosed.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: June 27, 2023
    Assignee: Freudenberg Apollo Filtration Technologies Co., Ltd.
    Inventors: Xiaochun Pi, Kunyuan He, Kaihua Xuan
  • WATER PURIFIER AND FILTER CARTRIDGE DEVICE THEREOF
    Publication number: 20210023485
    Abstract: A filter cartridge device is disclosed, which includes a water stopping assembly (13) and automatic water locking assemblies (22); wherein the water stopping assembly (13) can control water supply or water cut-off of the filter cartridge device, and prevent residual water inside a filter cavity (111) from flowing out during the process of detaching the filter cartridge device; the automatic water locking assemblies (22) can control water supply or water cut-off between the filter cartridge device and an external pipe, and prevent water inside the external pipe from flowing out during the process of detaching the filter cartridge device; and the water stopping assembly (13) controls water supply or water cut-off of on its side. In addition, a water purifier comprising the filter cartridge device is also disclosed.
    Type: Application
    Filed: March 25, 2019
    Publication date: January 28, 2021
    Inventors: Xiaochun Pi, Kunyuan He, Kaihua Xuan