Air-conditioning, air cooling and ventilation apparatus and instruments; Fabric air dispersion ducts for distributing and dispensing air as part of a HVAC system

Metal suspension systems for duct ventilation systems comprised of rings, couplers, cable hanging systems, spacer tubes, tensioning anchor clips, and spring locks

ceramic, metal, refractory, ceramic powder, powder mixture, or combinations thereof, matrix composite materials comprising an internal independent solid mesh network structural support and preferential pathway, said mesh network combined with one or more metals, metal alloys, compounds, mixtures, powders, ceramics, metallic spheres, ceramic spheres, carbon-carbon structures, carbon nanotube structures, cast materials, and elements from Groups 1 through 15 of the Periodic Table of Elements, to...

Air-conditioning, air cooling and ventilation apparatus and instruments; Fabric air dispersion ducts for distributing and dispensing air as part of a HVAC system