Universal positive shut-off, metered water control system...
Universal toilet fish with inflatable ending
Universal toilet tank lever
Universal washing machine outlet box
Unknown
Up-flow rake bar screen assembly
Upflow filtration method and apparatus for stormwater treatment
Urinal apparatus
Urinal attachment for a toilet
Urinal for use by female individuals
Urinal structure with cleanout fitting
Urinal with hygienic sprinkler
Urinals
Urine collection device
Urine collection kit
User interface for a faucet
Using multi-layer material in processing of septic effluent...
Utilities container
Utility arrangement and construction for revolving structures
Utility tub with removable rack