Filter element having center piece and methods

Filter for the air in the passenger compartment of a motor vehic

Filter pipeline

Filter structure

Filter system

Filter system for filtering fluids

Filter system for turbine engine

Filter system, especially for filtering the air intake of an int

Filter with a planar filter insert

Filter with housing

Filter with stiffening ribs

Filter with stiffening ribs

Filtering device for diesel engine exhaust gas

Filtration method and a filter device for removing...

Fluid filter with baffle

Gas generator

Gravity-induced ash removal system for particulate filters

Heat-resistant filter layer, filter body, and process for...

Heating, ventilating and/or air conditioning device...

High capacity hybrid multi-layer automotive air filter