Frank Brenner

Method and device for selective catalytic NOx reduction

Mixture delivery device

Mixture delivery device for internal combustion engines

Device and method for post-engine introduction of an auxiliary agent in an exhaust gas stream

Control element for the simultaneous control of gaseous streams

Safety system for an apparatus for generating energy

Valve for control of a fluid

Fuel cell device for vehicles buildings and auxiliary power units is partly or totally encapsulated in a gas tight container

Valve for controlling a medium, in particular, a gas comprises a sealing element which is made of a plastic material provided with a filler for purposes of an improved wear resistance

Apparatus for controlling a fuel cell device, and a fuel cell device