Patents Assigned to The Wanda Group
  • Publication number: 20130081250
    Abstract: Apparatus and methods for attachment of a fire protection sprinkler fitting to the wall-ceiling junction of existing buildings. In a J-fitting assembly of a sprinkler system is coupled to a water supply and has an exposed sprinkler head connected to it, the attachment apparatus includes a guide channel coupled to the J-fitting to facilitate fastening the fitting to the internal structure of the wall.
    Type: Application
    Filed: October 3, 2011
    Publication date: April 4, 2013
    Applicant: THE WANDA GROUP
    Inventors: Wayne R. JOHNSTON, Alan G. JOHNSTON
  • Patent number: 7699117
    Abstract: A nondestructive retrofit fire sprinkler protection system including a sprinkler fitting with a unique shape that inserts behind a wall surface and that securely connects a sprinkler head emerging from a wall location to preferably concealed sprinkler piping located in a room at a point where the ceiling surface meets a wall surfaces. In addition, a room coupler fitting is adapted to be inserted between wall structures to connect sprinkler piping in adjacent rooms.
    Type: Grant
    Filed: May 9, 2007
    Date of Patent: April 20, 2010
    Assignee: The Wanda Group
    Inventors: Wayne R. Johnston, Alan G. Johnston