http://www.freshpatents.com/Lubrication-dtnewntc184.php USPTO Class 184 - Lubrication en-us Fri, 19 Dec 2008 00:01:24 -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/Oil-replacement-system-dt20081211ptan20080302606.php Fri, 19 Dec 2008 00:01:24 -0800 An oil replacement system for a vehicle can include oil quality sensor that directly determines the quality of the oil in the vehicle and sends an oil quality signal to a control system. Such an oil quality sensor can make a direct measurement of the quality of the oil in...