Patents by Inventor Zhenqiang GAO

Zhenqiang 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).

  • Ball float type liquidometer with vernier display
    Patent number: 10788354
    Abstract: Disclosed is a ball float type liquidometer with moving indicator, comprising a ball float chamber and a ferromagnetic spherical ball float provided therein, a moving indicator outside the ball float chamber, a calibrated scale and a moving indicator guide rail, wherein the moving indicator comprises a magnetic steel member, a frame and a rolling system which is horizontally fixed and sheathed in the frame; the rolling system comprises rolling wheels provided with radial grooves along a circumferential surface, rolling bearings and shafts; the magnetic steel member is located between the ball float chamber and the frame and is fixed outside one side face close to the ball float chamber on the frame, and a magnetic pole of the magnetic steel member is directly oriented towards the ball float.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: September 29, 2020
    Assignee: DALIAN JIAXIN ELECTROMECHANICAL INSTRUMENT CO. LTD.
    Inventors: Jiaxian Wang, Ao-an Wang, Xiaori Wang, Zhenqiang Gao
  • BALL FLOAT TYPE LIQUIDOMETER WITH VERNIER DISPLAY
    Publication number: 20180348045
    Abstract: Disclosed is a ball float type liquidometer with moving indicator, comprising a ball float chamber and a ferromagnetic spherical ball float provided therein, a moving indicator outside the ball float chamber, a calibrated scale and a moving indicator guide rail, wherein the moving indicator comprises a magnetic steel member, a frame and a rolling system which is horizontally fixed and sheathed in the frame; the rolling system comprises rolling wheels provided with radial grooves along a circumferential surface, rolling bearings and shafts; the magnetic steel member is located between the ball float chamber and the frame and is fixed outside one side face close to the ball float chamber on the frame, and a magnetic pole of the magnetic steel member is directly oriented towards the ball float.
    Type: Application
    Filed: October 20, 2016
    Publication date: December 6, 2018
    Applicant: DALIAN JIAXIN ELECTROMECHANICAL INSTRUMENT CO. LTD .
    Inventors: Jiaxian WANG, Ao-an WANG, Xiaori WANG, Zhenqiang GAO