Seismic protection systems
Self-closing fire rated floor door
Smoke stop
Solar warming hut
Space erected inflatable structure
Stabilizing structures against oscillation
Storm proof aluma-foam housing unit
Structures having damped floors and a method of damping floors
Support structure
Suspended ceiling panel retaining system
Under floor fire stop coupling and method
Variable damping and stiffness structure
Vent closure arrangement
Ventilating window
Venting-membrane system to mitigate blast effects
Vibration damping system
Vibration resistant explosion control vent
Vibration resistant rupturable pressure relief member
Water powered gutter and downspout cleaning apparatus
Window protection apparatus