http://www.freshpatents.com/Gas-separation--processes-dtnewntc095.php USPTO Class 095 - Gas separation: processes en-us Wed, 21 May 2008 18:16:22 -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/Adsorbent-bed-pressure-balancing-for-a-gas-concentrator-dt20080515ptan20080110338.php Wed, 21 May 2008 18:16:22 -0700 A system and a method are described for monitoring pressure imbalances in the adsorbent beds of a portable gas concentrator. Using the programmability features found in modern portable concentrators, various mitigative procedures to adjust for pressure imbalances and to predict the need for service are disclosed....