Control for dual stepper motors
Cooling system with mesh grill and directional louvers
Cornice duct system
Cover for an air register
Cover for register and register opening
Damper assembly for air plenum system
Damper including a stepper motor
Device for actuating a shutter formed through a front panel...
Device for controlling diffused air
Device for introducing a low turbulence displacement air flow in
Device for supplying air to and if need be evacuating air from a
Device for the outlet of supply air
Diffuser and ceiling fan combination
Diffuser for central air conditioning system
Diffuser for heating and air conditioning systems
Diffuser with ceiling-penetrating nozzles
Directional vent register
Directional vent register
Discharge outlet opening and closing apparatus of air conditione
Discharge outlet opening and closing apparatus of air conditione