Patents by Inventor Zhiheng TIAN

Zhiheng TIAN 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).

  • Electromagnetic ultrasonic transducer and on-line inspection system comprising same
    Patent number: 9804131
    Abstract: The electromagnetic ultrasonic transducer includes a detection bottom surface and a stopper connected to a sidewall of the electromagnetic ultrasonic transducer; wherein the stopper extends towards the detection bottom surface; a bottom surface of the stopper is lower than the detection bottom surface; a distance “d” between the bottom surface of the stopper and the detection bottom surface is in a range 0 mm<d?1 mm; the bottom surface of the stopper contacts a surface of an object to be detected in a working state of the electromagnetic ultrasonic transducer.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: October 31, 2017
    Inventors: Zhiheng Tian, Li Tian, Lu Tian
  • Electromagnetic Ultrasonic Transducer and On-Line Inspection System Comprising Same
    Publication number: 20150241394
    Abstract: The present disclosure provides an electromagnetic ultrasonic transducer and an on-line inspection system including the transducer. The electromagnetic ultrasonic transducer includes a detection bottom surface and a stopper connected to a sidewall of the electromagnetic ultrasonic transducer; wherein the stopper extends towards the detection bottom surface; a bottom surface of the stopper is lower than the detection bottom surface; a distance “d” between the bottom surface of the stopper and the detection bottom surface is in a range 0 mm<d?1 mm; the bottom surface of the stopper contacts a surface of an object to be detected in a working state of the electromagnetic ultrasonic transducer.
    Type: Application
    Filed: September 12, 2013
    Publication date: August 27, 2015
    Inventors: Li TIAN, Lu TIAN, Zhiheng TIAN