Patents by Inventor Xiaojie Niu

Xiaojie Niu 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: 20240033893
    Abstract: A power tool includes a tool housing and a motor assembly received in the tool housing. The motor assembly has a rear end portion, a front end portion, and a motor output shaft. A transmission housing is coupled to the motor housing with a transmission received in the transmission housing, to which the motor output shaft is drivingly coupled. A partition assembly includes a rear cover covering a rear end portion of the transmission housing that faces the front end portion of the motor and a seal. The rear cover of the transmission housing, the front end portion of the motor, and the seal together define at least a first labyrinth path and a second labyrinth path therebetween configured to inhibit grease or dust migration between the transmission housing and the motor assembly.
    Type: Application
    Filed: October 6, 2023
    Publication date: February 1, 2024
    Inventors: Brent Austin Kuehne, Gao Jian, Wang Guoqing, Zhang Yukun, Chen Jianhua, Zhu Wen, Wu Yanmin, Lu Xiaoli, Colin CROSBY, Lynn Weikel, Tong ZHENG, Xiaojie Niu