Patents Assigned to Quigley Inc.
  • Remote controlled refractory gunning apparatus
    Patent number: 5178329
    Abstract: A vertical remote-controlled gunning apparatus having a horizontal nozzle wherein the water supply conduits and material supply conduits are integrated into a mixer-swivel head which controls the swiveling and rotation of said conduit.
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: January 12, 1993
    Assignee: Quigley Inc.
    Inventor: Sandy S. Yang