Passive sensors and control algorithms for faucets and...
Plumbing control system and method for prisons
Programmable automatic flushometer
Pump operated plumbing fixture
Sanitary washing toilet seat device
Self-contained comfort station
Toilet assembly having automatic flushing system
Toilet facility
Toilet fixture automatic flushing device
Toilet-flushing control apparatus
Water supply control apparatus
Water-closet bowl automatic flushing system