Cold or inclement weather exposure mask

Cold weather breathing apparatus

Cold weather breathing apparatus

Cold weather breathing mask

Collapse resistant respirator

Collapsible fire fighting bucket

Collapsible panel and method for controlled collapsing thereof

Colloidal particles of solid flame retardant and smoke...

Combination clothing safety harness

Combination descender, pulley and force limiting rope brake

Combination fire extinguisher and tire sealer

Combination heat exchanger breathing aid and muffler

Combined air-supplying/air-purifying system

Combined alarm and back-flow prevention arrangement for fire...

Combined inhalator-exhalator valve with hose pull protection

Combined passive and active vehicle fire prevention system

Combined pressure compensating exhalation and anti-...

Combined pressure reducing and charging valve

Combined sorbent/catalyst system

Combined trigger and concealing device for a sprinkler head