The present invention is a filter system for a curb inlet catch basin which catch basin includes a ramp in the curb front which feeds into a catch basin to allow storm water to run directly along the curb and down the ramp and which also has a grated cover so the water can enter directly through the...http://www.google.es/patents/US6797162?utm_source=gb-gplus-sharePatente US6797162 - Catch basin filter for stormwater runoff