| Patents for F22B 11 - Steam boilers of combined fire-tube type and water-tube type, i.e. steam boilers of fire-tube type having auxiliary water tubes (113) | |
|---|---|
| 04/2014 | |
| 04/30/2014 | CN103759241A Combined screwed pipe water-fire tube boiler |
| 03/2014 | |
| 03/12/2014 | CN203478177U Large horizontal steam boiler adopting front membrane wall furnace and fire tube convection heating surface |
| 03/12/2014 | CN203478176U Large horizontal type internal combustion fire-tube hot water boiler externally provided with smoke water heat exchanger |
| 03/12/2014 | CN203478175U Biomass burning steam boiler |
| 03/05/2014 | CN203464227U Double-boiler-barrel water-fire pipe boiler with protecting box |
| 01/2014 | |
| 01/09/2014 | WO2012107185A3 Steam generator |
| 12/2013 | |
| 12/25/2013 | CN103471071A Heating method of pressurized waste-heat boiler with water pipes and fire pipes combined |
| 11/2013 | |
| 11/27/2013 | CN103411198A Double-drum water-fire tube boiler with protection boxes |
| 11/20/2013 | CN103398368A Large horizontal steam boiler with front diaphragm-wall hearth fire tube convection heating surface |
| 11/20/2013 | CN103398367A Large horizontal internally fired fire-tube hot-water boiler with external smoke-water heat exchanger |
| 07/2013 | |
| 07/24/2013 | CN102047038B Waste heat boiler for coal gasification of fluidized bed |
| 07/17/2013 | CN203068491U Vertical type water-fire pressure-bearing boiler |
| 04/2013 | |
| 04/23/2013 | CA2508744C Tube assembly for a boiler |
| 01/2013 | |
| 01/30/2013 | CN102901078A Water-fire tube steam boiler |
| 12/2012 | |
| 12/12/2012 | CN202598475U Horizontal energy-saving coal burning steam boiler |
| 11/2012 | |
| 11/29/2012 | WO2012162400A1 Solar canopy systems and methods |
| 10/2012 | |
| 10/10/2012 | CN202484960U Boiler-shell-type water-fire tube boiler |
| 05/2012 | |
| 05/18/2012 | WO2011134441A4 Vertical separation steam generator |
| 05/18/2012 | WO2009143700A8 Waste heat boiler for coal gasification of fluidized bed |
| 04/2012 | |
| 04/25/2012 | CN202204143U 立式水火管节能环保锅炉 Energy saving vertical fire tube boiler |
| 03/2012 | |
| 03/22/2012 | WO2011134441A3 Vertical separation steam generator |
| 03/01/2012 | WO2008125358A3 Hot steam generator, particularly for a thermal spraying machine |
| 01/2012 | |
| 01/18/2012 | CN202118874U Straw powder and coal burning double-purpose water-fire tube boiler with longitudinally configured single drum |
| 01/04/2012 | CN202101217U Biomass steam boiler with horizontal water and fire tubes |
| 09/2011 | |
| 09/07/2011 | CN201964386U 新型水火管组合螺纹烟管锅炉 The new combination of fire and water tube boiler pipe thread |
| 09/07/2011 | CN101586873B Internal combustion type steam and hot water pot |
| 06/2011 | |
| 06/29/2011 | CN201885384U Vertical three-pass water-fire tube boiler |
| 04/2011 | |
| 04/27/2011 | CN201811217U Biomass boiler |
| 01/2011 | |
| 01/19/2011 | CN201715480U Water and fire tube shell-type boiler |
| 05/2010 | |
| 05/25/2010 | US7721679 Vapor generator with preheater and method of operating same |
| 03/2010 | |
| 03/17/2010 | CN100594335C Industrial boiler using emulsifying coke mortar burning device |
| 12/2009 | |
| 12/16/2009 | CN201363707Y DZL water tube and fire tube packaged boiler |
| 12/03/2009 | WO2009143700A1 Waste heat boiler for coal gasification of fluidized bed |
| 12/02/2009 | CN201355029Y Refuse burning residual heat boiler device |
| 09/2009 | |
| 09/23/2009 | CN201314545Y Energy saving multi-tube steam generator |
| 08/2009 | |
| 08/12/2009 | CN201288592Y Biomass power generation system |
| 06/2009 | |
| 06/18/2009 | CA2708120A1 Remote power-generating assembly |
| 01/2009 | |
| 01/22/2009 | DE102007046403A1 Heat exchanger for using exhaust heat to produce steam has heat-conducting fins on boiler pipes, with projecting flow fins projecting beyond them at set spacing |
| 08/2008 | |
| 08/20/2008 | CN201103888Y Atmospheric energy-saving steam generator |
| 12/2007 | |
| 12/19/2007 | CN200993354Y Steam boiler energy-saving water-saving steam-feed circulating device |
| 12/19/2007 | CN100356102C Multi-circulating boiler with external flue |
| 12/13/2007 | US20070283905 Vapor generator with preheater and method of operating same |
| 10/2007 | |
| 10/31/2007 | CN200968589Y Fire coal non-pressure steam multi-purpose furnace |
| 10/10/2007 | CN200958746Y Volute water-fire pipe wet backside fuel oil/gas boiler |
| 10/03/2007 | CN200955733Y Energy-saving environmental-protection boiler |
| 08/2007 | |
| 08/15/2007 | CN101016984A 立式蒸汽锅炉 Vertical steam boiler |
| 05/2007 | |
| 05/02/2007 | CN2896023Y Double-pipe-board heat-pipe after-heat boiler |
| 02/2007 | |
| 02/28/2007 | CN2874274Y Internal smoke reducing and dust removing energy saving environment protection boiler |
| 02/28/2007 | CN1920381A Coal and gas two-purpose superconductive heat pipe steam generator |
| 01/2007 | |
| 01/03/2007 | CN2854342Y Steam boiler heated by high carbon molecular heating oil fual-oil (gas) and electric |
| 01/03/2007 | CN2854339Y Energy-saving steam boiler |
| 12/2006 | |
| 12/20/2006 | CN2849481Y Electric steam generator using high carbon molecule heating oil |
| 11/2006 | |
| 11/30/2006 | CA2508744A1 Tube assembly for a boiler |
| 08/2006 | |
| 08/16/2006 | CN2806999Y Combined quickly-assembled watertube-firetube circulating fluidized bed boiler |
| 04/2006 | |
| 04/27/2006 | WO2006044886A2 Dual pressure recovery boiler |
| 04/20/2006 | US20060081199 Dual pressure recovery boiler |
| 02/2006 | |
| 02/08/2006 | CN2756955Y Smoke and fire path multiple flyback boiler with external water jacket |
| 12/2005 | |
| 12/21/2005 | CN2747465Y Coal combustion steam powder boiler |
| 07/2005 | |
| 07/20/2005 | CN2711532Y High-efficient energy-saving noise-reducing type steamer cabinet range |
| 05/2005 | |
| 05/11/2005 | CN1614305A Multi-circulating boiler with external flue |
| 04/2005 | |
| 04/28/2005 | CA2542420A1 Environmental clean-up system |
| 10/2004 | |
| 10/27/2004 | CN2651595Y Heat and wear resistant cowling device in high temperature pipeline-plate zone of assembled water firing pipe coal boiler |
| 01/2004 | |
| 01/21/2004 | CN2600715Y Large fire-tube hot water boilet with vertical housing |
| 08/2003 | |
| 08/27/2003 | CN1119555C Arrangement at inlet pipe to heat exchange unit in flue-gas tube |
| 08/06/2003 | CN2564867Y Low-pressure high-temp staight fire tube horizontal water pipe boiler |
| 07/2003 | |
| 07/23/2003 | CN2562071Y Vertical smokeless energy-saving boiler |
| 06/2003 | |
| 06/17/2003 | CA2184138C Boiler (2) |
| 02/2003 | |
| 02/19/2003 | CN2536904Y Firing water pipe industrial boiler |
| 06/2002 | |
| 06/05/2002 | CN2494476Y Horizontal external fired shell fire tube and water tube fuel oil or gas boiler |
| 02/2002 | |
| 02/06/2002 | CN2475927Y Small minipressure steam boiler of fire-tube type having auxiliary water-tube |
| 12/2001 | |
| 12/26/2001 | CN1076812C 废热锅炉 Waste heat boiler |
| 10/2001 | |
| 10/24/2001 | CN2456018Y Coal furnace with vertical monocylinder and water pipeline |
| 07/2001 | |
| 07/18/2001 | CN2439604Y 全自动二次燃烧锅炉 Automatic secondary combustion boiler |
| 11/2000 | |
| 11/07/2000 | US6142218 Arrangement at the inlet pipe to the heat exchanger unit in a flue-gas tube |
| 08/2000 | |
| 08/02/2000 | CN2390097Y Boiler |
| 04/2000 | |
| 04/18/2000 | CA2119996C Waste heat boiler |
| 03/2000 | |
| 03/22/2000 | EP0817942B1 Heat exchanger unit in a flue gas tube of a steam boiler |
| 09/1999 | |
| 09/15/1999 | CN2338611Y Horizontal waste heat boiler of combined fire-tube and water-tube type with automatic circulation during prod. of acid using sulphur as raw material |
| 05/1999 | |
| 05/05/1999 | CN2317411Y Steam boiler with steam storage tank |
| 02/1999 | |
| 02/16/1999 | US5870976 Boiler with serpentine tubes |
| 10/1998 | |
| 10/21/1998 | CN2295116Y Vertical water-tube fire-tube boiler |
| 07/1998 | |
| 07/15/1998 | CN2286280Y Combined boiler for steaming & frying |
| 05/1998 | |
| 05/20/1998 | CN2282123Y Ring gas flow vertical gas burning boiler |
| 04/1998 | |
| 04/22/1998 | CN1179821A Arrangement at inlet pipe to heat exchange unit in flue-gas tube |
| 02/1998 | |
| 02/27/1998 | CA2184142A1 Boiler (1) |
| 02/27/1998 | CA2184137A1 Boiler (3) |
| 01/1998 | |
| 01/14/1998 | EP0817942A1 An arrangement at the inlet pipe to the heat exchanger unit in a flue-gas tube |
| 09/1997 | |
| 09/24/1997 | CN2263270Y Steam boiler of combined water-tube type and fire-tube type |
| 07/1997 | |
| 07/31/1997 | WO1997027427A1 An arrangement at the inlet pipe to the heat exchanger unit in a flue-gas tube |
| 01/1996 | |
| 01/10/1996 | CN2217171Y Mini heat pipe normal pressure boiler |
| 12/1995 | |
| 12/06/1995 | CN2214600Y High efficiency all function boiler |
| 09/1995 | |
| 09/26/1995 | US5452686 Waste heat boiler |
| 09/13/1995 | CN2207514Y Water-fire tube steam pot |
| 05/1995 | |
| 05/31/1995 | CN2199429Y Vertical double-row of heat-exchange boiler |
| 03/1995 | |
| 03/22/1995 | CN1100507A Basing pipe sheet for water & fire pipe boiler |
| 11/1994 | |
| 11/02/1994 | CN1094493A 废热锅炉 Waste heat boiler |
| 09/1994 | |
| 09/28/1994 | EP0617230A1 Waste heat boiler |
| 03/1994 | |
| 03/23/1994 | CN2159500Y Multiple reverse running boiler with normal pressure |
| 10/1992 | |
| 10/07/1992 | CN2118235U Water and fire tube mixing type domestic steam boiler |
| 07/1992 | |
| 07/15/1992 | CN2110137U Full return stroke water fire pipe boiler |
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