Patents Examined by Janyce E. Bell
  • Method for insulating an ice rink
    Patent number: 4728536
    Abstract: Temporarily insulating frozen surfaces, such as ice rinks, from the ambient air by spreading a metastable liquid foam over the ice surface to remain thereon when the ice surface is not in use, then prior to the next use period, removing the aged, partially frozen foam. Fire fighting foam liquids are preferred embodiment foaming agents.
    Type: Grant
    Filed: October 29, 1986
    Date of Patent: March 1, 1988
    Assignee: John S. Burley
    Inventors: William G. Burley, John S. Burley