Patents by Inventor Jianbing YIN

Jianbing YIN 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: 20230136866
    Abstract: An air-flow channel structure of an air pump, a micro air pump, a waterproof air pump, and an inflatable product are provided. The air-flow channel structure of the air pump includes an air chamber. The air inlet of the air chamber communicates with an axial-direction air inlet of the centrifugal impeller arranged inside the air chamber. The air chamber is formed with an air-guiding wall inside that gradually expands in a spiral shape around an axis of the centrifugal impeller. An air-guiding channel is formed between the air-guiding wall and the centrifugal impeller. A tangent air outlet is provided at the tail end of the air-guiding channel. The micro air pump is configured with the air-flow channel structure of air pump. The waterproof air pump includes a waterproof exterior shell and the micro air pump removably connected to the waterproof exterior shell inside.
    Type: Application
    Filed: September 9, 2022
    Publication date: May 4, 2023
    Applicant: Huaian Guorun Electric Co., Ltd.
    Inventors: Houxi RAO, Jianbing YIN, Bing SUN