Cooking ovens; Cooking ranges; Cooking rings; Cooking stoves; Cooking tunnels; Environmental control apparatus, namely, particle activators for use in soil remediation, drinking water treatment, municipal and industrial wastewater treatment; Steam generating installations; Steam generators; Ventilating exhaust fans; Ventilating fans for commercial and industrial use; Ventilating fans for industrial purposes; Ventilating louvers; Ventilating, high-velocity fixed exhaust fans for commercial and agricultural use; Ventilating, high-velocity portable exhaust fans for commercial and agricultural use; Ventilation apparatus, namely, cordless floor drying cone dolly; Ventilation fan accessories, namely, grilles; Ventilation hoods; Ventilation hoods for laboratories; Ventilation hoods for stoves; Ventilation units for commercial food preparation and food serving; Accessories for fireplaces, namely, ventilation hoods for fireplaces for use in ventilation and deflecting heat from the top of a fireplace; Air impellers for ventilation; Air-conditioning, air cooling and ventilation apparatus and instruments; Apparatus for cooking, namely, cooktops; Autoclaves, electric, for cooking; Barbecue smoker cooking grates; Barbecue smoker cooking grids; Butane torches for cooking; Disposable aluminum burner bibs for cooking ranges; Domestic cooking ovens; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Economisers, namely, devices for warming feed water in heating boilers; Electric cooking ovens; Electric cooking pots; Electric cooking stoves; Electric autoclaves for cooking; Electric fans with evaporative cooling devices; Electric griddles; Emission control systems comprised primarily of indirect contact heat exchangers and ozone-based control devices using gas and vapor condensing to control and treat emissions; Energy recovery ventilators; Gas-powered griddles; Heat recovery ventilators; Heat sinks for use in heating, cooling and ventilating apparatus; Hydrogen-generation equipment and components, namely, hydrogen generators, hydrogen purifiers, hydrogen purification membranes, fuel processors, and steam reformers; Industrial cooking ovens; Interior environment control system for commercial buildings, namely, heaters, ventilators and humidifiers all sold as a unit; Ironing tables that generate steam for ironing; Laboratory ventilation hoods; Microwave ovens; Microwave ovens for cooking; Oil cooking stoves; Oven ventilator hoods; Oxygen concentrators for use with fuel cells used in heating, ventilation, air conditioning, lighting, and power systems for buildings; Plumbing fitting, namely, vacuum release safety valve for flow shutoff in pools and spas; Portable fire pit cooking grates; Portable fire pit cooking grids; Pressure cooking saucepans, electric; Roasting spits for cooking ovens; Thermal immersion circulators for cooking; Turbine ventilators; Vehicle climate-control system for heating, ventilation and air-conditioning; Wood burning cooking stoves; Wood fired ovens for cooking