Patents by Inventor Yangling Wu

Yangling Wu 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).

  • Trolley case with weight monitoring leg adapted to support the case when moved into weighing position
    Patent number: 8653385
    Abstract: A trolley case including a case body and a weight monitoring device. The weight monitoring device is mounted on the case body, including a pressure sensor, a transmission unit, and a display module. The pressure sensor is mounted on the case body, and supports the case body when using. When being applied by a pressure, the pressure sensor transmits the pressure to a corresponding electrical signal according to an intension of the pressure. The intension of the electrical signal is corresponding to the intension of the pressure. The transmission unit is electrically connected to the pressure sensor, and transmits the electrical signal into a corresponding weight value. The display module is electrically connected to the transmission unit for display the weight value.
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: February 18, 2014
    Assignee: Shanghai Zhijing Biological Technology Co., Ltd.
    Inventors: Xinxin Li, Yangling Wu