Patents by Inventor Zhangwen Liu

Zhangwen Liu 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).

  • Snow sublimation meter
    Publication number: 20230288245
    Abstract: The present disclosure provides a snow sublimation meter, which includes a base, a snow storage tray, a weighing sensor and a snow cutting assembly. The base is used for supporting on the ground. The snow storage tray is provided with a snow storage tank, and the snow storage tray is connected with the base through a weighting sensor. The snow cutting assembly includes a reducer arm and a cutter, the reducer arm is connected to the base, the cutter is connected to the reducer arm, and the cutter is attached to the outer peripheral surface of the snow storage tray; and the reducer arm is used to drive the cutter to rotate around the snow storage tray to cut and separate the accumulated snow attached on the outer peripheral surface from the outer peripheral surface.
    Type: Application
    Filed: March 10, 2023
    Publication date: September 14, 2023
    Applicant: Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences
    Inventors: Chuntan HAN, Rensheng CHEN, Yongping SHEN, Yong YANG, Junfeng LIU, Zhangwen LIU, Xiqiang WANG, Shuhai GUO
  • Electric vehicle
    Patent number: D619046
    Type: Grant
    Filed: January 7, 2010
    Date of Patent: July 6, 2010
    Inventor: Zhangwen Liu