Patents by Inventor Chuanlin Duan

Chuanlin Duan 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).

  • Publication number: 20200288934
    Abstract: In some examples, a liquid container is provided with a liquid outlet and an air inlet, the liquid outlet and the air inlet are disposed at a bottom of the liquid container, and the liquid container is shaped to facilitate air entered the liquid container through the air inlet to move to above a surface of liquid in the liquid container. In some examples, the liquid container is installable in a smartcleaning device and/or a smartcleaning system.
    Type: Application
    Filed: May 26, 2020
    Publication date: September 17, 2020
    Applicant: SHENZHEN ROCK TIMES TECHNOLOGY CO., LTD.
    Inventors: Xing LI, Song PENG, Chuanlin DUAN, Youcheng LU
  • Patent number: D867701
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: November 19, 2019
    Assignee: Beijing Rockrobo Technology Co., Ltd.
    Inventors: Chang Mi, Chuanlin Duan, Guang Yu, Dahong Gong, Zitao Wang, Fan Yang, Xiaoming Liu, Youcheng Lu
  • Patent number: D867987
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: November 26, 2019
    Assignee: Beijing Rockrobo Technology Co., Ltd.
    Inventors: Chang Mi, Chuanlin Duan, Zhijun Li, Zitao Wang, Fan Yang, Xiaoming Liu, Youcheng Lu, Liang Qiao
  • Patent number: D868407
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: November 26, 2019
    Assignee: Beijing Rockrobo Technology Co., Ltd.
    Inventors: Chang Mi, Chuanlin Duan, Guang Yu, Dahong Gong, Zitao Wang, Fan Yang, Xiaoming Liu, Youcheng Lu
  • Patent number: D868408
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: November 26, 2019
    Assignee: Beijing Rockrobo Technology Co., Ltd.
    Inventors: Chang Mi, Chuanlin Duan, Guang Yu, Dahong Gong, Zitao Wang, Fan Yang, Xiaoming Liu, Youcheng Lu