Self-activating fire extinguisher

Self-closing vent

Self-closing vent assembly

Self-contained automatic fire extinguisher

Self-contained fire protection apparatus

Self-contained remote automated fire suppression

Self-contained smoke activated fire extinguishing flooding syste

Self-contained, replaceable fire extinguishing tree ornament

Self-righting thrown or rolled spherical fire extinguisher

Series to parallel transfer circuit for initiator string

Severable cover for explosion and fire suppression nozzles

Shock actuated fire prevention system for automobiles

Shrink-wrap fire extinguishing method and container

Shut-off device for a sprinkler assembly

Shut-off device for a sprinkler assembly

Shut-off device for a sprinkler assembly

Shut-off device for an automatic sprinkler

Shut-off device for ducts and the like

Signaling fire extinguisher system

Signalling fire extinguisher assembly