Safety device, particularly for roll-up doors
Safety system for use with a grain bin
Self-closing fire door
Self-closing fire door
Self-closing single-sided accordion fire door
Shape memory alloy actuator
Solar heating drapery opening indcator
Solar powered window shade
Swinging folding door and a swinging folding gate; and a...
System and method for sealing openings in response to smoke,...
System for securing an articulated assembly of elements on a spa