Patents by Inventor Guanglin Du

Guanglin Du 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).

  • Three-dimensional flow velocity vector, energy and mass gauge
    Patent number: 9568489
    Abstract: A three-dimensional flow velocity vector, energy and mass gauge is provided, wherein it comprises an elastic leather cover, both ends of which are mounted with a rigid sealing plug, separately, the elastic leather cover and the rigid sealing plug forming a cylindrical sealing cavity, in which a cable connecting line hole is installed on the upper rigid sealing plug, while an injection hole for injecting liquid into the cylindrical sealing cavity, on which a sealing plug is provided, is installed on the lower rigid sealing plug; and a measuring device for measuring the flow velocity vector and energy and a device for measuring the mass are installed in the cylindrical sealing cavity. The gauge has the advantages of a simple structure, convenient manufacturing and comprehensive detection.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: February 14, 2017
    Assignee: NANJING EMPERODAM CO., LTD.
    Inventors: Guoping Du, Jiajia Du, Xiaofeng Song, Guanglin Du
  • THREE-DIMENSIONAL FLOW VELOCITY VECTOR, ENERGY AND MASS GAUGE
    Publication number: 20150160091
    Abstract: A three-dimensional flow velocity vector, energy and mass gauge is provided, wherein it comprises an elastic leather cover, both ends of which are mounted with a rigid sealing plug, separately, the elastic leather cover and the rigid sealing plug forming a cylindrical sealing cavity, in which a cable connecting line hole is installed on the upper rigid sealing plug, while an injection hole for injecting liquid into the cylindrical sealing cavity, on which a sealing plug is provided, is installed on the lower rigid sealing plug; and a measuring device for measuring the flow velocity vector and energy and a device for measuring the mass are installed in the cylindrical sealing cavity. The gauge has the advantages of a simple structure, convenient manufacturing and comprehensive detection.
    Type: Application
    Filed: June 25, 2013
    Publication date: June 11, 2015
    Inventors: Guoping Du, Jiajia Du, Xiaofeng Song, Guanglin Du
  • Refrigerator
    Patent number: D456032
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: April 23, 2002
    Assignees: Haier Group Corporation, Qingdao Refrigeration Technology Research Institute
    Inventors: Guanglin Du, Gongwei Xu
  • Impeller washing machine
    Patent number: D465307
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: November 5, 2002
    Assignees: Haier Group Corporation, Qingdao Refrigeration Technology Research Institute
    Inventors: Guanglin Du, Yongsheng Zhang
  • Water heater
    Patent number: D485893
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: January 27, 2004
    Assignees: Haier Group Corporation, Qingdao Refrigeration Technology Research Institute
    Inventors: Guanglin Du, Jinjia Zhang