Pressuring and purging apparatus

Pressurized diaphragm pump and directional flow controller there

Programmable electronic control unit for water distribution syst

Programmable electronic self-learning timer for the control...

Programmable flow control valve unit

Programmable water valve

Programmed-sequence fluid distributor for use in feed and mainte

Pulsating liquid jet apparatus

Pulsating vibration air generation apparatus

Pulsating vibration air generation means

Pulsator

Pulsator device

Pulsator for milking machines

Pulse detonation engine having an aerodynamic valve

Pulse-irrigation method and apparatus

Pulsed flow generator

Pulsed gas supply

Push button flush activation system for urinal

Regulated fluid tap particularly useful as water trickler nozzle

Regulator means for automatically shutting pipeline passage off