http://www.freshpatents.com/Crop-threshing-or-separating-dtnewntc460.php USPTO Class 460 - Crop threshing or separating en-us Mon, 19 Dec 2011 13:32:14 -0800 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20111215ptan20110306394.php Mon, 19 Dec 2011 13:32:14 -0800 The invention relates to a system for cleaning a flow of harvested crop, said system including a suction device between an inlet (1) and an outlet (3), said inlet being equipped with a hood (5) in which is formed a circulation path of the flow of suction air between said...