http://www.freshpatents.com/Metallurgical-apparatus-dtnewntc266.php USPTO Class 266 - Metallurgical apparatus en-us Fri, 19 Dec 2008 00:05:36 -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/Molten-metal-holding-furnace-dt20081211ptan20080303195.php Fri, 19 Dec 2008 00:05:36 -0800 A molten metal holding furnace for supplying a constant quantity of the molten metal to a casting machine is composed of a holding chamber having a melt supply port, and a pressurization chamber having an upward melt outlet port. The holding chamber and the pressurization chamber are communicated with each...