A lint filter assembly for removing lint and particulate matter from a clothes dryer exhaust system includes a conduit adapter and a filtering element. In a preferred embodiment the lint filter is a secondary filter removably connected inline between conduits substantially at the point of communication...http://www.google.fr/patents/US20090133284?utm_source=gb-gplus-shareBrevet US20090133284 - Integral Lint Filter for Clothes Dryers