Patents by Inventor Yongnan Mao

Yongnan Mao 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).

  • Microwave cooking device
    Patent number: 9918358
    Abstract: A microwave oven includes a shell defining a cooling air inlet and a cooling air outlet therein; a compartment defining a cavity, nested in the shell and defining an open front end, a receiving space being defined between a rear plate of the compartment and a rear plate of the shell; a first electric member and a second electric member disposed in the receiving space respectively; and a fan disposed in the receiving space, defining a first air inlet, a second air inlet, a first air outlet communicated with the first air inlet to define a first air blowing channel, and a second air outlet communicated with the second air inlet to define a second air blowing channel, the fan being configured to cool the first electric member via the first air blowing channel and to cool the second electric member via the second air blowing channel.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: March 13, 2018
    Assignees: GUANGDONG MIDEA KITCHEN APPLIANCES MANUFACTURING CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Jaeman Cho, Qihong Ling, Yongnan Mao, Mingbo An
  • Microwave Cooking Device
    Publication number: 20160192445
    Abstract: A microwave oven includes a shell defining a cooling air inlet and a cooling air outlet therein; a compartment defining a cavity, nested in the shell and defining an open front end, a receiving space being defined between a rear plate of the compartment and a rear plate of the shell; a first electric member and a second electric member disposed in the receiving space respectively; and a fan disposed in the receiving space, defining a first air inlet, a second air inlet, a first air outlet communicated with the first air inlet to define a first air blowing channel, and a second air outlet communicated with the second air inlet to define a second air blowing channel, the fan being configured to cool the first electric member via the first air blowing channel and to cool the second electric member via the second air blowing channel.
    Type: Application
    Filed: September 25, 2015
    Publication date: June 30, 2016
    Inventors: Jaeman Cho, Qihong Ling, Yongnan Mao, Mingbo An
  • Humidifier
    Patent number: D923164
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: June 22, 2021
    Inventors: Honghao Zhang, Yongnan Mao, Sam Liu