Patents by Inventor Xinzhi Liu

Xinzhi Liu 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: 20250043530
    Abstract: The invention discloses an enhanced anti-seismic structure suitable for urban underground comprehensive pipe galleries. Comprising a polygonal frame with an outer frame and an inner frame arranged inside it. Vertex of the inner frame is connected to the bending position inside the outer frame via a support rod. Outer frame has installation grooves for pipe installation, corresponding one-to-one with its sides. The outer frame, located outside the installation groove, can be disassembled to install a limit frame. A limit mechanism for fixing the pipe is installed on the limit frame. The outer frame, positioned outside the installation slot, can be disassembled to install a limit frame. Screwing in a screw drives a lifting block to compress a spring, causing a top block to press against the pipe surface and secure it. The polygonal frame allows for multiple pipes to be installed simultaneously, enhancing overall stability through the support rod connections.
    Type: Application
    Filed: July 1, 2022
    Publication date: February 6, 2025
    Inventors: Xiuling CAO, Muci YUE, Liang YU, Xiaohong QU, Junfeng WANG, Congxu YANG, Anguelov K. A., CASAGLI N., Xinzhi LIU, Zihan FENG, Shuo HAN
  • Patent number: 9970952
    Abstract: The present invention provides an efficient apparatus for extracting biologically active substances through a magnetic particle method, comprising a magnetic needle, a magnetic needle moving mechanism, a sleeve and a sleeve moving mechanism and a vibration mechanism, a bracket, a positioning mechanism; the vibration mechanism is capable of generating vibrations to enable the sleeve moving mechanism to make upward and downward vibrations; wherein the magnetic needle can vertically insert into and move out of the sleeve; the sleeve can vertically insert into and move out of a sample treatment area; and the vibration mechanism comprises a lever bar, a movable fulcrum and a rotary mechanism. The present invention further provides an instrument comprising the apparatus for extracting biologically active substances. The present invention further provides a method for extracting and purifying biologically active substances using the apparatus or the instrument for extracting biologically active substances.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: May 15, 2018
    Assignee: GENMAG BIOTECHNOLOGY CO., LTD.
    Inventors: Xinzhi Liu, Zhifang Guo, Haifeng Zhao
  • Publication number: 20170191914
    Abstract: The present invention provides a device for use in a magnetic bead method, comprising a magnetic needle sleeve, a magnetic needle and a container, wherein the magnetic needle sleeve has a sleeve body and a sleeve bottom, the outer surface of the sleeve bottom has one or more vertically arranged blades. The present invention also provides a magnetic needle sleeve as described above. The present invention also provide a method for treating magnetic particles in a liquid composition using a device or a magnetic needle sleeve as described above. The structure of the magnetic needle sleeve provided by the invention can increase the amount of magnetic particles absorbed by the sleeve and greatly reduce the lose of the magnetic particles clusters condensed at the bottom of the needle sleeve during the transfer process.
    Type: Application
    Filed: May 8, 2015
    Publication date: July 6, 2017
    Inventors: Xinzhi LIU, Haifeng ZHAO
  • Publication number: 20160245834
    Abstract: The present invention provides an efficient apparatus for extracting biologically active substances through a magnetic particle method, comprising a magnetic needle, a magnetic needle moving mechanism, a sleeve and a sleeve moving mechanism and a vibration mechanism, a bracket, a positioning mechanism; the vibration mechanism is capable of generating vibrations to enable the sleeve moving mechanism to make upward and downward vibrations; wherein the magnetic needle can vertically insert into and move out of the sleeve; the sleeve can vertically insert into and move out of a sample treatment area; and the vibration mechanism comprises a lever bar, a movable fulcrum and a rotary mechanism. The present invention further provides an instrument comprising the apparatus for extracting biologically active substances. The present invention further provides a method for extracting and purifying biologically active substances using the apparatus or the instrument for extracting biologically active substances.
    Type: Application
    Filed: July 11, 2014
    Publication date: August 25, 2016
    Inventors: Xinzhi Liu, Zhifang Guo, Haifeng Zhao
  • Patent number: D953465
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: May 31, 2022
    Inventor: Xinzhi Liu
  • Patent number: D953466
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: May 31, 2022
    Inventor: Xinzhi Liu