Patents Examined by Philip H. Leong
  • Induction steam humidifier
    Patent number: 5286942
    Abstract: Apparatus and method for producing steam for humidification of residential and commercial buildings by electrical induction heating of water are disclosed. The apparatus comprises a readily-removable non-magnetic water tank containing a magnetic target in contact with the water and an electrically powered induction coil located outside the water tank but in close proximity to the magnetic target.
    Type: Grant
    Filed: October 24, 1991
    Date of Patent: February 15, 1994
    Assignee: Arthur D. Little Enterprises, Inc.
    Inventors: David H. McFadden, Gorm A. Bressner