http://www.freshpatents.com/Combustion-dtnewntc431.php USPTO Class 431 - Combustion en-us Wed, 30 Apr 2008 12:34:40 -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/Zone-master-2002-the-ultimate-forced-air-zone-system-dt20080424ptan20080096145.php Wed, 30 Apr 2008 12:34:40 -0700 Zone Master 2002 was designed as a two-part process that enables the installer to regulate the amount of heat required to efficiently heat any established area or “zone” in a building or residence. With the ability to shut off part of the burners, you can adjust from 20,000 to 120,000... http://www.freshpatents.com/Low-nox-staged-fuel-injection-burner-for-creating-plug-flow-dt20080424ptan20080096146.php Wed, 30 Apr 2008 12:34:40 -0700 A burner for producing a plug-like flow and low NOx emissions. The burner has a central air jet and plural staged fuel jets surrounding the central jet. The ratio of the sum of the momentums of vector components of the staged jets along respective axes parallel to the central longitudinal... http://www.freshpatents.com/Apparatus-and-methods-for-operating-a-cooking-appliance-dt20080424ptan20080096147.php Wed, 30 Apr 2008 12:34:40 -0700 A gas supply system for a cooking appliance includes a burner valve operatively coupled to each surface burner, and a lockout valve configured to control gas flow to a manifold. The burner valve is movable between an open position and a closed position to control gas flow from the manifold...