Adjustable valve assembly

Adsorber switching valve

Air bleed apparatus for a burner unit

Apparatus and system for controlling the air-fuel ratio supplied

Automatic machine motion restricting mechanism

Beverage dispensing valve having quick disconnect mounting

Block and bleed valve

Control and selector unit for dental handpieces

Core rod construction for blow-molding apparatus

Coupling device

Cut-off valve

Detachable fluid coupling

Device and method for operating at least two valves

Device for alternate admission of a liquid or a pressurized gas

Device for regulating the flow rate in a tube

Distribution and shut-off device for hydraulic systems, particul

Distributor device

Diverting fluid flow

Double coupling for removably joining twin pipes

Double-control tap with selector