Removing foreign matter from aquarium water

Replaceable media filtration

Reservoir

Reservoir tank

Retro filter bag

Return-side filter for use in a vehicle transmission

Reusable liquid filter assembly

Ribbed faceplate for swimming pool and spa skimmer apparatus

Rinsing liquid treatment device

Rinsing liquid treatment device

Rotor impeller assembly

Scrubbing water handling system for paint spray booths

Sealed filtration system

Sealing arrangement for filter belt

Sectionalized integrated aquarium

Self priming aquarium filter

Self-cleaning filter assembly

Self-cleaning filtering apparatus

Self-cleaning undergravel filter

Self-contained sewage waste disposal system