Patents by Inventor Liangkai FAN

Liangkai FAN 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).

  • Automatic water barrier device
    Patent number: 10422095
    Abstract: An automatic water retaining device comprises two or more automatic water retaining units disposed in parallel, the automatic water retaining unit comprises a panel and a base, wherein the base is provided with a water storage cavity, the panel is rotatably disposed on the base, the water storage cavity is opened and closed through the rotation of the panel, a surface of the panel for covering the base is provided with a floating plate, one end of the base different from the end of the base connected with the panel is provided with a first water inlet communicated with the water storage cavity, and when water enters the water storage cavity from the first water inlet and contacts the floating plate, buoyancy is generated to the floating plate and the floating plate drives the panel to rotate and open under the action of buoyancy.
    Type: Grant
    Filed: February 4, 2017
    Date of Patent: September 24, 2019
    Assignee: NANJING JUNLI TECH. CO. LTD.
    Inventors: Liangkai Fan, Caikui Xu
  • AUTOMATIC WATER BARRIER DEVICE
    Publication number: 20190032293
    Abstract: An automatic water retaining device comprises two or more automatic water retaining units disposed in parallel, the automatic water retaining unit comprises a panel and a base, wherein the base is provided with a water storage cavity, the panel is rotatably disposed on the base, the water storage cavity is opened and closed through the rotation of the panel, a surface of the panel for covering the base is provided with a floating plate, one end of the base different from the end of the base connected with the panel is provided with a first water inlet communicated with the water storage cavity, and when water enters the water storage cavity from the first water inlet and contacts the floating plate, buoyancy is generated to the floating plate and the floating plate drives the panel to rotate and open under the action of buoyancy.
    Type: Application
    Filed: February 4, 2017
    Publication date: January 31, 2019
    Inventors: Liangkai FAN, Caikui XU