Patents by Inventor Wenyao ZHU

Wenyao ZHU 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).

  • Recreational vehicle vent top cover still capable of ventilation in closed state of top cover
    Patent number: 11926193
    Abstract: A vehicle vent top cover still capable of ventilation in a closed state of the top cover, which includes a top cover body, which includes a top plate; a fixed rim and side protection plates are arranged below the top plate; the fixed rim is located at the inner side of the side protection plate; the fixed rim is provided with a first ventilation groove; an air duct structural frame is fixed below the top plate; the air duct structural frame is located above the bottom walls of the side protection plates; the first ventilation groove and an upper surface of the air duct structural frame form an air inlet; one side of the air duct structural frame close to the side protection plate is provided with a second ventilation groove; and the second ventilation groove and the side wall of the side protection plate form an air outlet.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: March 12, 2024
    Assignee: HANGZHOU KAIRUIFAN IMPORT & EXPORT TRADING CO. LTD.
    Inventor: Wenyao Zhu
  • RECREATIONAL VEHICLE VENT TOP COVER STILL CAPABLE OF VENTILATION IN CLOSED STATE OF TOP COVER
    Publication number: 20230182538
    Abstract: A vehicle vent top cover still capable of ventilation in a closed state of the top cover, which includes a top cover body, which includes a top plate; a fixed rim and side protection plates are arranged below the top plate; the fixed rim is located at the inner side of the side protection plate; the fixed rim is provided with a first ventilation groove; an air duct structural frame is fixed below the top plate; the air duct structural frame is located above the bottom walls of the side protection plates; the first ventilation groove and an upper surface of the air duct structural frame form an air inlet; one side of the air duct structural frame close to the side protection plate is provided with a second ventilation groove; and the second ventilation groove and the side wall of the side protection plate form an air outlet.
    Type: Application
    Filed: December 10, 2021
    Publication date: June 15, 2023
    Applicant: HANGZHOU KAIRUIFAN IMPORT & EXPORT TRADING CO. LTD.
    Inventor: Wenyao ZHU