http://www.freshpatents.com/Mining-or-in-situ-disintegration-of-hard-material-dtnewntc299.php USPTO Class 299 - Mining or in situ disintegration of hard material en-us Wed, 3 Jun 2009 14:34:48 -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/Method-and-apparatus-for-monitoring-gateroad-structural-change-dt20090528ptan20090134692.php Wed, 3 Jun 2009 14:34:48 -0700 A method and apparatus is provided for determining structural change in a mining operation. A first scan of gateroad surfaces is obtained and information of the scan profile is stored. At a later time a second scan of the gateroad surfaces is then obtained. Information of the scans can be...