Patents by Inventor Changlei FAN

Changlei 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).

  • Publication number: 20250229568
    Abstract: A spray pen provided, the spray pen includes a body, a housing and a gripping sleeve, the body include an air inlet portion, an air guiding connector is provided on the housing, the air guiding connector is connected with the air inlet; an air transportation channel is defined in the air guiding connector, and the air guiding connector is connected with an air pump; air pumped by the air pump is sent to the air inlet portion through the air transportation channel of the air guiding connector; the gripping sleeve being provided in the housing, the gripping sleeve is configured for an user to hold. With the housing and the gripping sleeve, providing a reasonable support point for holding the spray pen, making it more comfortable for users to hold and reducing pen fatigue.
    Type: Application
    Filed: June 4, 2024
    Publication date: July 17, 2025
    Inventors: Changlei FAN, Bo YU, Yongchao XIE
  • Publication number: 20240416500
    Abstract: A toolbox with a side hanging function is provided. The toolbox with a side hanging function includes a box body and a box cover, a side hanging groove being defined on a side wall of the box body; an elastic jamming tongue being provided on an inner side of the side hanging groove; and the elastic jamming tongue being matched to the side hanging groove; and wherein the elastic jamming tongue being connected to a side wall of the box body. The present use the side wall of the box body as a new space for storing items, and provides side hanging groove and elastic jamming tongue on the side wall, the side hanging groove is used to hang items, the elastic jamming tongue is used to fix and anti detachment. The toolbox with a side hanging function has multiple functions and has wide application prospects.
    Type: Application
    Filed: May 24, 2024
    Publication date: December 19, 2024
    Inventors: Changlei FAN, Bo YU
  • Patent number: 11833659
    Abstract: A lifting storage device comprises multiple box bodies movably stacked up and down, X-shaped hinges are symmetrically arranged on two sides of the box body, a support frame slideway limiting plate is arranged below the box body, a bottom end of the X-shaped hinge is movably connected with the support frame slideway limiting plate, a box body front rotating shaft and a box body rear rotating shaft are arranged in front of and behind each box body, the front rotating shaft and the rear rotating shaft of each box body are connected with the X-shaped hinges in a staggered manner, each box body is obliquely lifted along with the X-shaped hinges after connection, a locking mechanism is arranged on the support frame slideway limiting plate corresponding to the X-shaped hinge and the locking mechanism is arranged in a final position of a slideway on the support frame slideway limiting plate.
    Type: Grant
    Filed: May 29, 2023
    Date of Patent: December 5, 2023
    Assignee: Yantai Greenery Tools Co., Ltd.
    Inventors: Changlei Fan, Bo Yu, Hongquan Yin
  • Publication number: 20230302625
    Abstract: A lifting storage device comprises multiple box bodies movably stacked up and down, X-shaped hinges are symmetrically arranged on two sides of the box body, a support frame slideway limiting plate is arranged below the box body, a bottom end of the X-shaped hinge is movably connected with the support frame slideway limiting plate, a box body front rotating shaft and a box body rear rotating shaft are arranged in front of and behind each box body, the front rotating shaft and the rear rotating shaft of each box body are connected with the X-shaped hinges in a staggered manner, each box body is obliquely lifted along with the X-shaped hinges after connection, a locking mechanism is arranged on the support frame slideway limiting plate corresponding to the X-shaped hinge and the locking mechanism is arranged in a final position of a slideway on the support frame slideway limiting plate.
    Type: Application
    Filed: May 29, 2023
    Publication date: September 28, 2023
    Inventors: Changlei FAN, Bo YU, Hongquan YIN