Radial flow cell

Radial seal filter with multi-component housing

Radial-flow filter and method of manufacture

Radial-flow filter and method of manufacture

Raisable plow assembly

Raking equipment for trashracks

Range separation devices and processes

Range separation devices and processes

Reaction bonded alumina filter and membrane support

Reaction bonded silicon nitride filtration membranes

Reciprocal movable screens in a vertically elongated vessel

Reciprocating sprayer for a cylindrical wastewater screen

Recovering bitumen from large water surfaces

Recyclable photographic filters

Reduction of membrane fouling by surface fluorination

Regenerated cellulose membrane and processes for preparation the

Reinforced capillary membranes and process for manufacturing...

Reinforced ceramic filter candle and method of making same

Reinforced coalescing cell

Reinforced filter tube and method of making the same