Patents by Inventor Tzu-Ying Jan

Tzu-Ying Jan 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).

  • Ground rodent repeller
    Patent number: 8755251
    Abstract: A ground rodent repeller includes a main rod, a cover, a battery base and a control circuit board. One end of the main rod has an opening and a first screw thread. The cover has a second screw thread and a first locking part. The second screw thread and the first screw thread engage with each other. One end of the battery base has a second locking part, which engages with the first locking part of the cover. By this configuration, the components are designed for simple assembly, have a low production cost, can be promptly installed, and have ideal sealing and water proof effects.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: June 17, 2014
    Inventor: Tzu-Ying Jan
  • Ultrasonic pest away
    Patent number: D681769
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: May 7, 2013
    Inventor: Tzu-Ying Jan
  • Ultrasonic rat pest repeller
    Patent number: D681770
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: May 7, 2013
    Inventor: Tzu-Ying Jan
  • Ultrasonic animal repeller
    Patent number: D693900
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: November 19, 2013
    Inventor: Tzu-Ying Jan
  • Ground rodent repeller
    Patent number: D697164
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: January 7, 2014
    Inventor: Tzu-Ying Jan