Patents by Inventor Jianqiao YAO

Jianqiao YAO 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).

  • Gate valve device, cleaning method and mechanical apparatus
    Patent number: 11933416
    Abstract: A gate valve device includes a cleaning component, a first lifting component, and a second lifting component. The cleaning component is arranged on the second lifting component. The first lifting component is configured to control whether an opening on a side of a vacuum chamber close to a swing gate valve is in a closed state. The second lifting component is configured to, in a case that the opening on the side of the vacuum chamber close to the swing gate valve is in the closed state, control the cleaning component to clean the swing gate valve.
    Type: Grant
    Filed: November 6, 2021
    Date of Patent: March 19, 2024
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Zhengzheng Wang, Liuguang Wang, Hongyang Wang, Jianqiao Yao
  • GATE VALVE DEVICE, CLEANING METHOD AND MECHANICAL APPARATUS
    Publication number: 20230015887
    Abstract: A gate valve device includes a cleaning component, a first lifting component, and a second lifting component. The cleaning component is arranged on the second lifting component. The first lifting component is configured to control whether an opening on a side of a vacuum chamber close to a swing gate valve is in a closed state. The second lifting component is configured to, in a case that the opening on the side of the vacuum chamber close to the swing gate valve is in the closed state, control the cleaning component to clean the swing gate valve.
    Type: Application
    Filed: November 6, 2021
    Publication date: January 19, 2023
    Applicant: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Zhengzheng WANG, Liuguang WANG, Hongyang WANG, Jianqiao YAO