Patents Assigned to PTN Limited
  • Bird drinker assembly with a triangular supply line
    Patent number: 8534226
    Abstract: A supply line for the water supply to poultry house drinkers is triangular in shape with the drinkers secured to a bottom surface around a drinking nipple by a quick-attach rotational movement. The triangular line has a top fin which provides additional bending strength and may have an internal fin to limit movement of the drinking nipple valve.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: September 17, 2013
    Assignee: PTN Limited
    Inventors: Stephen John Cottam, Franciscus Maria Wilhelmus Ermerins