Patents by Inventor Fangjun DAI

Fangjun DAI 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: 10561293
    Abstract: A squeezing and cleaning flat mop bucket includes a bucket body, a bucket cover and a pressing device. The pressing device is installed at the top of the bucket body, and the bucket cover is covered onto the bucket body. The bucket body has a cleaning chamber, a squeezing chamber, and a partition installed between the cleaning chamber and the squeezing chamber. The pressing device includes a mount having a cleaning port and a squeezing port. The cleaning port has a first squeeze roller; the squeezing port has a second squeeze roller; the first squeeze roller has bumps; and the squeezing chamber contains a pressure pump and a return pipe. The pressure pump is installed at the bottom of the squeezing chamber. The return pipe has an end connected to the pressure pump and the other end disposed at the partition and partially extended into the cleaning chamber.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: February 18, 2020
    Assignee: NINGBO CHANGLE COMMODITY CO., LTD
    Inventor: Fangjun Dai
  • Publication number: 20190274516
    Abstract: A squeezing and cleaning flat mop bucket includes a bucket body, a bucket cover and a pressing device. The pressing device is installed at the top of the bucket body, and the bucket cover is covered onto the bucket body. The bucket body has a cleaning chamber, a squeezing chamber, and a partition installed between the cleaning chamber and the squeezing chamber. The pressing device includes a mount having a cleaning port and a squeezing port. The cleaning port has a first squeeze roller; the squeezing port has a second squeeze roller; the first squeeze roller has bumps; and the squeezing chamber contains a pressure pump and a return pipe. The pressure pump is installed at the bottom of the squeezing chamber. The return pipe has an end connected to the pressure pump and the other end disposed at the partition and partially extended into the cleaning chamber.
    Type: Application
    Filed: May 9, 2018
    Publication date: September 12, 2019
    Applicant: NINGBO CHANGLE COMMODITY CO., LTD
    Inventor: Fangjun DAI