Patents by Inventor Luo-Jie Zheng

Luo-Jie Zheng 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).

  • Patent number: 7874038
    Abstract: An air gun equipment (10) for cleaning workpieces includes an air gun (20), a switch (50) connected to the air gun and an air source by pipes (206, 70), and a sensor (30) fixed on the air gun. The switch is controlled by an output signal from the sensor to control the flow of air from the air source to the air gun.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: January 25, 2011
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Qiang Wen, Hao Yu, Luo-Jie Zheng
  • Publication number: 20090056067
    Abstract: An air gun equipment (10) for cleaning workpieces includes an air gun (20), a switch (50) connected to the air gun and an air source by pipes (206, 70), and a sensor (30) fixed on the air gun. The switch is controlled by an output signal from the sensor to control the flow of air from the air source to the air gun.
    Type: Application
    Filed: December 27, 2007
    Publication date: March 5, 2009
    Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., SUTECH TRADING LIMITED
    Inventors: QIANG WEN, HAO YU, LUO-JIE ZHENG