http://www.freshpatents.com/Heating-dtnewntc432.php USPTO Class 432 - Heating en-us Tue, 18 Aug 2009 22:32:15 -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/Gas-heating-method-and-gas-heating-piping-member-dt20090813ptan20090202957.php Tue, 18 Aug 2009 22:32:15 -0700 A heat keeping member 4 which can transmit a gas to be heated is inserted to the inside of a piping member body 1 into which the gas can be passed in a state that the heat keeping member is brought into close contact with the inside, and further the...