Patents by Inventor Zhirong GAO

Zhirong GAO 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).

  • Chromatographic apparatus for online enrichment of trace and ultra-trace components and method for analyzing trace and ultra-trace components using same
    Patent number: 12072321
    Abstract: A chromatographic apparatus for online enrichment of trace and ultra-trace components and an analytical method using the same. The apparatus includes an injection system, a vaporizing chamber, an enrichment system, a thermal box, a sample collection system, a focusing trap, a chromatographic analytical column system, a detector and an electronic control system. The method includes steps of sample enrichment, thermal desorption and back flushing, which are performed through a combination of a four-way valve and an electronic switch valve box.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: August 27, 2024
    Assignee: Asicotech Company Limited
    Inventors: Zhirong Gao, Yanjun Zhang
  • Heat dissipation structure and electronic device
    Patent number: 11222830
    Abstract: A heat dissipation structure is provided for an electronic device. The heat dissipation structure includes a substrate and cooling fins connected to the substrate. The substrate includes a thermally conductive material. A first surface of the substrate has a plurality of contact regions. The plurality of contact regions of the first surface contact at least one device to be cooled.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: January 11, 2022
    Assignee: LENOVO (BEIJING) CO., LTD.
    Inventors: Xiaogang Lu, Guodong Jiang, Zhirong Gao
  • CHROMATOGRAPHIC APPARATUS FOR ONLINE ENRICHMENT OF TRACE AND ULTRA-TRACE COMPONENTS AND METHOD FOR ANALYZING TRACE AND ULTRA-TRACE COMPONENTS USING SAME
    Publication number: 20210364483
    Abstract: A chromatographic apparatus for online enrichment of trace and ultra-trace components and an analytical method using the same. The apparatus includes an injection system, a vaporizing chamber, an enrichment system, a thermal box, a sample collection system, a focusing trap, a chromatographic analytical column system, a detector and an electronic control system. The method includes steps of sample enrichment, thermal desorption and back flushing, which are performed through a combination of a four-way valve and an electronic switch valve box.
    Type: Application
    Filed: July 2, 2021
    Publication date: November 25, 2021
    Inventors: Zhirong GAO, Yanjun ZHANG
  • HEAT DISSIPATION STRUCTURE AND ELECTRONIC DEVICE
    Publication number: 20190206760
    Abstract: A heat dissipation structure is provided for an electronic device. The heat dissipation structure includes a substrate and cooling fins connected to the substrate. The substrate includes a thermally conductive material. A first surface of the substrate has a plurality of contact regions. The plurality of contact regions of the first surface contact at least one device to be cooled.
    Type: Application
    Filed: January 3, 2019
    Publication date: July 4, 2019
    Inventors: Xiaogang LU, Guodong JIANG, Zhirong GAO