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Class Information
Number: 431/285
Name: Combustion > Separately supplied or controlled, physically related flame holders, e.g., diverse fuels, pilot and main, etc. > Having common flame chamber or shield means
Description: Apparatus forming a burner head assembly that has as a part thereof means forming an enclosed or shielded combustion space fed by both sections.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8517718 Dual fuel heating source Aug. 27, 2013
8465276 Burner for fluid fuels and method for operating such a burner Jun. 18, 2013
8408197 Submergible combustion burner Apr. 2, 2013
8408896 Method, system and apparatus for firing control Apr. 2, 2013
8328885 Fuel reformer burner of fuel cell system Dec. 11, 2012
8297969 Low polluting emission gas burner Oct. 30, 2012
8215117 Staging for rich catalytic combustion Jul. 10, 2012
8172568 Combustor May. 8, 2012
8137098 Multiple gas pilot burner Mar. 20, 2012
8113825 Computer-controlled pyrotechnic matrix display Feb. 14, 2012
8113824 Large diameter mid-zone air separation cone for expanding IRZ Feb. 14, 2012
8065997 Heating cooking appliance Nov. 29, 2011
8021143 Furnace Sep. 20, 2011
7972133 Burner for the operation of a heat generator and method of use Jul. 5, 2011
7901205 Gas burner with multiple concentric flame rings Mar. 8, 2011
7850448 Furnace Dec. 14, 2010
7841332 Burner with flame stability Nov. 30, 2010
7833011 Method and device for igniting and monitoring a burner Nov. 16, 2010
7780437 Premix burner Aug. 24, 2010
7775792 Combustion head for a gas burner Aug. 17, 2010
7753677 Burner Jul. 13, 2010
7717700 Hybrid burner and associated operating method May. 18, 2010
7628608 Submersible gas burner Dec. 8, 2009
7524186 Low emissions burner with premix flame stabilized by a diffusion flame Apr. 28, 2009
7422427 Energy efficient low NO.sub.x burner and method of operating same Sep. 9, 2008
7335017 Lighter with flint igniter Feb. 26, 2008
7086855 Apparatus having improved wind resistance that is a synergistic combination of a windshield and a brooder heater pilot assembly Aug. 8, 2006
6923643 Premix burner for warm air furnace Aug. 2, 2005
6918755 Fuel-fired burner with skewed electrode arrangement Jul. 19, 2005
6916175 Combustion gas burner enabling multi-stage control Jul. 12, 2005
6916172 Burner apparatus Jul. 12, 2005
6905329 Torch lighter for cigar Jun. 14, 2005
6884063 Multiple-flame lighter Apr. 26, 2005
6840761 Ultra-stable flare pilot and methods Jan. 11, 2005
6827572 Torch lighter for cigar Dec. 7, 2004
6796790 High capacity/low NOx radiant wall burner Sep. 28, 2004
6786717 Combustion apparatus Sep. 7, 2004
6733278 Variable heat output burner assembly May. 11, 2004
6702572 Ultra-stable flare pilot and methods Mar. 9, 2004
6672862 Premix burner with integral mixers and supplementary burner system Jan. 6, 2004
6652265 Burner apparatus and method Nov. 25, 2003
6652268 Burner assembly Nov. 25, 2003
6632084 Burner configuration with primary and secondary pilot burners Oct. 14, 2003
6623267 Industrial burner Sep. 23, 2003
6588475 Device and method for welding overlapping roof membranes Jul. 8, 2003
6575734 Low emissions burner with premix flame stabilized by a diffusion flame Jun. 10, 2003
6488496 Compact combination burner with adjustable spin section Dec. 3, 2002
6439882 Dual fuel circuit gas burner Aug. 27, 2002
6439881 Spiral-shaped atmospheric gas burner Aug. 27, 2002
6422858 Low NOx apparatus and methods for burning liquid and gaseous fuels Jul. 23, 2002

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