Air flow controller and fire damper in an air flow duct
Ceiling radiation damper and mounting method
Compact damper with over center latch
Compact smoke and fire damper with over center latch
Curtain fire damper
Duct sealing apparatus and ducting system
Electric power modulated lead screw actuated butterfly blade...
Fire and smoke damper
Fire closure shutter
Fire damper assembly
Fire resistant air transfer grille or damper
Fire responsive closing air vent
Fire/smoke damper control system
Fluid flow control damper
Latch assembly for damper
Magnetically actuated auto-closing air vent
Methods and systems for detecting gas turbine engine fuel leaks
Mounting bracket for damper
Multi-mode damper actuator
Power modulating lead screw actuated butterfly blade action...