Device for the treatment of a gaseous fluid

Device for treating flat substrates by a corona station

Device to produce active oxygen ions in the air for improved...

Devices for regulating electrical discharges

Dielectric liquid-immersed corona generator

Direct spark ignition system utilizing gated oscillator

Directional arc generating device

Discharge device

Discharge gap device

Discharge tube with coating material applied on discharge...

Disconnection arrangement and method for operation of a...

Distributor rotor

Double ignition system for internal combustion engines,...

Dual firing spark plug

Dual internal electric spark plug

Dual internal electric spark plug

Electric arc ignition device

Electric charging device for electrophotography

Electric circuit to ignite a detonator

Electric field treatment with excitation electrode having...