Anti-siphon selector valve

Applicator head for metered release of flowing media

Automatic plant watering arrangement

By-pass arrangement for controlling the return flow of a pilot v

Cleaning head and surface cleaning device comprising said...

Controlled irrigation system for a predetermined area

Device for aromatizing a gas medium

Drip irrigation system for agriculture

Electromagnetically controllable spray valve and spray system

Fuel distribution valve for a gas turbine engine

Headlamp cleaning assembly

Irrigation device having a two-step valve assembly

Lawn sprinkling and similar installations

Liquid distribution system for irrigation and the like

Method of and a device for hydro-automatic sprinkling with sinki

Pneumatically operated gated irrigation system

Pressure sequence controlled valve and sprinkler system...

Producing directed spray

Swimming pool cleaning head

Water pressure controlled indexing means for irrigation sprinkle