Flexible smoke generator

Flexible tying member for theftproof device

Flexible tying member for theftproof device

Flight path responsive aircraft wind shear alerting and...

Flip

Float operated water-in-oil alarm system for machinery

Flood detector

Flood light lamp removal alarm

Floor display system with variable image orientation

Fluid compound for function testing smoke detectors and its use

Fluid flow detector for a fire alarm system

Fluid temperature mixing indicator

Fluorescent light immunity through synchronous sampling

Flush mounted assembly for housing an ambient air abnormal...

Foreign object detection system and method

Forward scatter smoke detector

Four wire multi-satellite intrusion alarm control system...

Four wire multi-satellite intrusion alarm with multiplex...

Frame assembly for a photocell-type smoke detector

Freeze and water detector for a fire hydrant