Patents by Inventor Ailiang LI

Ailiang LI 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: 20230397781
    Abstract: The present invention discloses a dual-purpose wiper with a replaceable wiper strip, including a handle, a working head, a wiper strip, a wiper board, or the like. Mainly, the working head is provided with a sliding groove running through in a horizontal direction, and a sliding rib is correspondingly arranged on one side of the wiper strip, so that the wiper strip can be detachably and slidably engaged in the sliding groove through the sliding rib. In addition, the working head is further provided with a lock piece, and the lock piece can lock or unlock the sliding rib for sliding in the sliding groove, so that the wiper strip can be replaced arbitrarily and flexibly, and the wiper strip having an appropriate length can be configured according to an actual use need.
    Type: Application
    Filed: August 3, 2022
    Publication date: December 14, 2023
    Applicant: Ningbo East Cleaning Tool Co., Ltd.
    Inventor: Ailiang LI
  • Patent number: D1021307
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: April 2, 2024
    Assignee: NINGBO EAST CLEANING TOOL CO., LTD
    Inventor: Ailiang Li