Fan array systems comprised of electric fans, control panels and controllers for air handling units; stackable fan cubes for fan array systems in the nature of ventilating fans for industrial purposes; wall mounted fan array systems comprised of electric fans

Computer software for engineering purposes that operates primarily within an automatic computer-aided environment or an architectural applications environment, for the creation of elevations, plan views, 3-D models, renderings, sections and shop drawings as related to the construction and building design industry

FIREBREAK-INSULATING AND PRESSURE-RESISTANT WALLS OF CEMENTITIOUS MATERIALS FOR PROTECTION OF POWER-STATION EQUIPMENT SUCH AS HIGH-VOLTAGE TRANSFORMERS