Patents Examined by Illiam C Weinert
  • Air circulation device
    Patent number: 12215877
    Abstract: An air circulation device includes a suction section configured to suck indoor air, and a blower section configured to blow the air sucked by the suction section into a room. The air is in a form of a vortex ring. The air circulation device is operable in at least a first mode in which the vortex ring blown therefrom reaches a wall surface of the room.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: February 4, 2025
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masafumi Uda, Yousuke Imai, Keita Kawahara, Kiichirou Satou