Shielded regeneration heating element for a particulate filter
Shower tunnel-type scrubbing apparatus for purifying effluent ga
Shroud
Shut-off device for cyclonic vacuum cleaner
Side stream separator for boiler particulate emission control
Silencer-separator device
Silencing filter
Slurry input device
Smog eliminator
Smoke controlling ash tray
Smoke evacuation system
Smoke evacuator system for use in laser surgery
Smoke evacuator system with electronic control circuitry
Smoke filter rejuvenation system
Smoke scrubbing apparatus
Smoke stack air washer
Smoke stack exhaust system
Snap-in assembly for bag filter
Solar powered dehumidifier apparatus
Solid absorber apparatus for a cyclic absorption process