freepatentsonline.com 141 131 http://www.freepatentsonline.com/ http://www.freepatentsonline.com/images/logo.gif Free Patents Online: Distillation: apparatus http://www.freepatentsonline.com/rssfeed/rsspat202.xml USPTO Class 202 Distillation: apparatus en-us Tue, 14 May 2013 08:00:00 EDT <![CDATA[Linked coke drum support]]> http://www.freepatentsonline.com/8440057.html Tue, 14 May 2013 08:00:00 EDT <![CDATA[Heat integrated distillation apparatus]]> http://www.freepatentsonline.com/8440056.html Tue, 14 May 2013 08:00:00 EDT