A ceramic filter assembly that resists cracking. The ceramic filter assembly is formed by integrating a plurality of columnar honeycomb filters made of a porous ceramic sintered material with a ceramic sealing material layer and formed to have a substantially elliptical cross sectional shape. The honeycomb...http://www.google.es/patents/US7393376?utm_source=gb-gplus-sharePatente US7393376 - Ceramic filter for exhaust gas emission control
