Patents by Inventor Shuhua HE

Shuhua HE 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).

  • DIAGONAL FLOW FAN
    Publication number: 20170045060
    Abstract: A diagonal flow fan includes an air duct, a motor, a fan wheel, a blade, an air guiding ring, and a wheel hub, the air guiding ring has one end connected to the air duct, and the blade and the wheel hub are located inside the fan wheel, the blade has one end connected to the wheel hub and another end connected to the fan wheel, wherein the motor is located inside the wheel hub and connected to the wheel hub, the air guiding ring has another end located at an inner side of the fan wheel, and a gap exists between the air guiding ring and the fan wheel.
    Type: Application
    Filed: October 22, 2014
    Publication date: February 16, 2017
    Applicant: GUANGDONG FANS-TECH ELECTRIC CO., LTD.
    Inventors: Shuhua HE, Weidong CHEN
  • Smart door lock
    Patent number: D1024727
    Type: Grant
    Filed: December 7, 2023
    Date of Patent: April 30, 2024
    Assignee: Dongguan Lingdu Electronics Technology Co., Ltd
    Inventors: Xiuchun He, Shuhua Liang, Fang Peng