Water-filtration apparatus

Water-flow filtering structure

Water-in-oil-in water emulsions of hydroxamated polymers and...

Water-managed solvent extraction process for organic wastes

Water-spray separator

Water/steam separating devices at the outlet of the...

Waterproof and breathable flat materials made from resin...

Wave coil filter assembly

Wear resistant basket for scroll centrifuge

Wear resistant paper machine fabric

Wear shoe retainer for a sludge collector flight

Wear strip assembly for use in a waste water treatment facility

Wear-resistant rotor wheel

Weeping-resistant vapor-liquid contacting tray

Weight-optimized portable oxygen concentrator

Weight-optimized portable oxygen concentrator

Welding fume and spark trap

Welding smoke filter

Well casing assembly with erosion protection for inner screen

Well effluent separator