Patents by Inventor Stephen John Cottam

Stephen John Cottam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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
  • POULTRY FEEDER
    Publication number: 20120199077
    Abstract: A feeder is provided, in particular for feeding poultry, comprising a polygonal feeding pan defined by a base and a plurality of side walls depending from the base. The side walls define an outer peripheral edge of the feeder having a plurality of substantially straight outer edges. The feeder provides increased feeding space and feed volume with respect to a circular feeder having a radius equal to the apothem of the polygonal feeding pan.
    Type: Application
    Filed: October 14, 2010
    Publication date: August 9, 2012
    Inventors: Stephen John Cottam, Franciscus Maria Wilhemus Ermerins
  • BIRD DRINKER ASSEMBLY WITH A TRIANGULAR SUPPLY LINE
    Publication number: 20110073044
    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: Application
    Filed: May 22, 2009
    Publication date: March 31, 2011
    Inventors: Stephen John Cottam, Franciscus Maria Wilhelmus Ermerins