HOWDEN ALPHAIR VENTILATING SYSTEMS INC.

Description: Computer software that models, simulates, monitor and control ventilation functions in industrial environments; Computer software for use in underground mining environments that models, simulates, monitor and control ventilation, air flow and fans, pressures, heat, gases, and other ventilation factor data from a model of tunnels and shafts; Underground mine ventilation simulation software that simulates conditions in an underground mine and ventilation issues, that is, air flow, thermodynamic heat and moisture modeling, blasting fumes dispersion and clearance times, fan modeling, contaminant spread, emergency simulations, and ventilation operating costing calculation

Description: Fans and blowers for commercial and industrial use, namely, axial, radial, centrifugal, and extractor fans and blowers; electric motors for machines; linear actuators for axial and centrifugal fans and blowers; silencers for attenuating noise associated with fans and blowers | Axial fans and blowers for commercial and industrial use, namely, for climate control, ventilation, creating a steady flow of air, and fume, dust and precipitate extraction; centrifugal fans and blowers for commercial and industrial use, namely, for climate control, ventilation, creating a steady flow of air, and fume, dust and precipitate extraction; components of axial and centrifugal fans and blowers; butterfly dampers for the dissipation of kinetic energy in axial and centrifugal fans and blowers; louver dampers for the dissipation of kinetic energy in axial and centrifugal fans and blowers; radial dampers for the dissipation of kinetic energy in axial and centrifugal fans and blowers; dampers in the nature of control devices used in axial and centrifugal fans to control the flow of air | Maintenance, repair, installation, modification, re-building, retrofitting, and balancing services in the field of axial and centrifugal fans and blowers; customization services for axial and centrifugal fans and blowers | Engineering, testing, evaluation, inspection, design, process design, and consulting services for the purpose of defining, maintaining, optimizing and attaining performance requirements of axial and centrifugal fans and blowers; design services for axial and centrifugal fans and blowers

Description: Computer software programs, namely real-time object-oriented dynamic process simulator for industrial process design validation, process control system checkout, and personnel training, and instructional manuals sold as a unit

Description: Large vane axial and tube axial fans for use for ventilating purposes in mining markets and for use in providing process air for power plants and boilers and for ventilating purposes in industrial markets