Polyurethane thermal insulating foams containing phase change materials, namely, compounds which change from a solid to a liquid state at a predetermined temperature, for use in the manufacture of winter boots, sleeping bags, stadium cushions, helmets, clothing and similar type items

electrically powered controlled heat delivery system; namely, apparatus for soldering, desoldering and adhesive curing for the assembly, development, production and repair of electronic assemblies

Temperature Measuring Unit for Measuring Temperature of Soldering and Desoldering Tips, Hot Air Jets, Probes and Other Heating Devices, All Used for Industrial Applications