Patents Assigned to Wellman Defence Limited
  • Textile ducts
    Patent number: 7442121
    Abstract: A textile duct for an air circulation system, the duct having an inner gas-permeable layer and an outer gas-impervious layer, and one or more spaces therebetween. An air circulation system having one or more ducts and one or more air treatment units and/or air handling units. The ducts are formed from laminates suitable for forming a duct for an air circulation system, the laminate has an inner gas-permeable layer and an outer gas-impervious layer, and one or more spaces therebetween.
    Type: Grant
    Filed: December 29, 2004
    Date of Patent: October 28, 2008
    Assignee: Wellman Defence Limited
    Inventors: Stephen Cassidy, Brian Hunt, Niels Thomsen
  • Textile ducts
    Publication number: 20060199501
    Abstract: This invention relates to a duct suitable for use in an air circulation system, the duct comprising an inner gas-permeable layer and an outer gas-impervious layer, and one or more spaces therebetween.
    Type: Application
    Filed: December 29, 2004
    Publication date: September 7, 2006
    Applicants: Wellman Defence Limited
    Inventors: Stephen Cassidy, Brian Hunt, Niels-Erik Thomsen