http://www.freshpatents.com/Gas-separation-dtnewntc055.php USPTO Class 055 - Gas separation en-us Thu, 29 May 2008 14:21:16 -0700 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/Equipment-air-filter-assembly-dt20080522ptan20080115475.php Thu, 29 May 2008 14:21:16 -0700 A filter assembly for a structure having an air intake, the filter assembly including a filter media that is sized and shaped to cover the air intake. The ends of the filter media are connected by an elastic fastener, such that the filter media and the fastener encircle the structure...