Patents by Inventor Jianwu Zhang

Jianwu Zhang 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: 20210197111
    Abstract: The present application proposes an air purification device with filter cartridge self-cleaning, which includes: cabinet, air filter cartridge and centrifugal fan, a first mounting plate and a second mounting plate are arranged in the interior of the cabinet from top to bottom, the first mounting plate and the second mounting plate divide the interior of the cabinet into a first chamber, a second chamber, and a third chamber, the cabinet is provided with an air inlet communicating with the first chamber, and with a plurality of air outlets communicating with the third chamber; the air filter cartridge is arranged in the second chamber, the air filter cartridge includes an end cover, a bottom cover and a filter cylinder, and the two ends of the filter cylinder are respectively connected with the end cover and the bottom cover, and the filter cylinder is used for filtering and purifying the air, a cleaning assembly is arranged in the filter cylinder for removing dust adsorbed on the filter cylinder; the centrif
    Type: Application
    Filed: October 31, 2018
    Publication date: July 1, 2021
    Applicant: ANHUI CHINTEK INSTRUMENT & EQUIPMENT CO., LTD.
    Inventors: Jianwu ZHANG, Xiaohu ZHANG, Yulin YANG
  • Publication number: 20210001259
    Abstract: An air purification device includes a case divided into first and second chambers, a filter unit disposed in the first chamber, and a negative pressure generator disposed in the second chamber. The filter unit comprises an outer frame, a filter screen disposed in the outer frame, and a dust removing device including a dust removing assembly, a first driving mechanism and a second driving mechanism. A peripheral edge of the filter screen is connected to an inner side of the outer frame. The dust removing assembly is movably mounted on the outer frame for removing dust from the filter screen. The first driving mechanism drives the dust removing assembly to move back and forth in a width direction of the filter screen, and the second driving mechanism drives the dust removing assembly to move back and forth in a length direction of the filter screen.
    Type: Application
    Filed: October 31, 2018
    Publication date: January 7, 2021
    Applicant: ANHUI CHINTEK INSTRUMENT & EQUIPMENT CO., LTD.
    Inventors: Jianwu ZHANG, Xiaohu ZHANG, Yulin YANG
  • Publication number: 20190314827
    Abstract: A new type of electrostatic barbed wire includes a plurality of barbs. The plurality of the barbs are woven together to form a fixed body with a strip-like structure. Ends of the plurality of the barbs are located outside the fixed body. A barbed net is also disclosed. The barbed net is woven by the electrostatic barbed wire. In the present application, the proposed new type of electrostatic barbed wire and barbed net are woven with the plurality of the barbs, and a processing technique thereof is simple.
    Type: Application
    Filed: December 4, 2018
    Publication date: October 17, 2019
    Applicant: ANHUI ZHONG YAN ELECTRIC CO., LTD.
    Inventor: Jianwu ZHANG
  • Publication number: 20180049724
    Abstract: A urine sample device includes a funnel for receiving urine, the funnel in connection with a guide tube at a lower portion of the funnel. The urine sample device also includes a urine collection tube for collecting the urine that flows from the funnel and through the guide tube. The urine sample device further includes a guide tube fixation member located at a lower portion of the funnel and an upper portion of the guide tube along an outer periphery of the guide tube. The guide tube fixation member connected to the urine collection tube at an upper portion of the urine guide tube. The urine sample device also includes a vent located inside the guide tube fixation member.
    Type: Application
    Filed: August 21, 2017
    Publication date: February 22, 2018
    Inventors: Huiliang Cai, Hong Gao, Jianwu Zhang, De Qing Wang
  • Patent number: D1066779
    Type: Grant
    Filed: November 2, 2023
    Date of Patent: March 11, 2025
    Inventor: Jianwu Zhang