Patents by Inventor Zhisong Zeng

Zhisong Zeng 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).

  • Patent number: 11628390
    Abstract: The invention relates to the technical field of filtering equipment, and discloses a dust removal filter cartridge. The dust removal filter cartridge includes a filter material and a filter net arranged in the filter material. A top cover is arranged on a top end of the filter material, and an air outlet is provided in the top cover. A bottom end of the filter material is sealed with a bottom cover. An inner side of the filter material is provided with binding tapes which are adhesively fixed on the filter material. An outer surface of the filter material is an effective filtering surface for dust removal, and the binding tapes are arranged on the inner side of the filter material. During the dust removal process, filtering area of an outer surface of a filter paper increases, and the filtering effect is good.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: April 18, 2023
    Assignee: Guangzhou Farrleey Filtration Co., Ltd.
    Inventors: Zhisong Zeng, Jin Wang, Xianfu Zeng
  • Publication number: 20210394109
    Abstract: The invention relates to the technical field of filtering equipment, and discloses a dust removal filter cartridge. The dust removal filter cartridge includes a filter material and a filter net arranged in the filter material. A top cover is arranged on a top end of the filter material, and an air outlet is provided in the top cover. A bottom end of the filter material is sealed with a bottom cover. An inner side of the filter material is provided with binding tapes which are adhesively fixed on the filter material. An outer surface of the filter material is an effective filtering surface for dust removal, and the binding tapes are arranged on the inner side of the filter material. During the dust removal process, filtering area of an outer surface of a filter paper increases, and the filtering effect is good.
    Type: Application
    Filed: August 27, 2020
    Publication date: December 23, 2021
    Inventors: Zhisong Zeng, Jin Wang, Xianfu Zeng