Filtration system for recycling water used in a car wash

Fluid supply device with periodically positive and reverse flow

Frying grease reclaimer

Germfree drinking water dispenser

Grease and solids removal system

Grey water filter tank recovery system and filter backwashing sy

Horizontal vacuum belt filter

Integrated system marine sanitation device

Ion exchange apparatus

Linear solids removal unit

Liquid waste disposal

Low cost grease removal system

Magnetic filtering apparatus

Marine aquarium with a dialysis water purification system

Means for chlorination of swimming pools

Method and apparatus for flushing contaminants from a...

Method and apparatus for pulsed timed control for sludge return

Method and apparatus for purifying and compacting solid wastes

Method of sludge recycling

Methods and apparatus for biological treatment of aqueous waste