| Patents for F22B 9 - Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body (351) |
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| 12/30/2009 | CN201373382Y Novel thermal converter |
| 12/30/2009 | CN201373379Y Novel high-efficiency thermal-conversion steam stove |
| 12/03/2009 | US20090294103 Process to reduce the temperature of a hydrogen and carbon monoxide containing gas and heat exchanger for use in said process |
| 11/24/2009 | US7621227 Granular biomass burning heating system |
| 10/22/2009 | US20090260584 Steam generator and method of adjusting flow resistance of cooling water in steam generator |
| 08/26/2009 | CN201297184Y Device for power generation by using submerged arc furnace |
| 08/19/2009 | CN201293305Y Middle and small double-fuel steam boiler |
| 08/19/2009 | CN101512223A Method of producing steam in a gas tube steam boiler and gas tube steam boiler for implementing said method |
| 08/12/2009 | CN201289063Y Smoke micro-tube boiler |
| 08/05/2009 | CN201285029Y Coal gasified atmospheric boiler |
| 07/15/2009 | CN101482261A Comprehensive utilization apparatus for flue gas exhaust heat |
| 07/15/2009 | CN100513869C Biomass high temperature combustion boiler |
| 07/08/2009 | CN101476714A Multi-heat supply exhaust-heat boiler |
| 05/21/2009 | US20090126653 Firebox boiler with reduced temperature variation |
| 04/22/2009 | CN201225669Y Multifunctional fast food furnace |
| 04/22/2009 | CN201225607Y Energy-saving coal-firing water boiler |
| 04/15/2009 | CN201221755Y Steam generator |
| 04/08/2009 | EP2044365A1 Method of producing steam in a gas tube steam boiler and gas tube steam boiler for implementing said method |
| 04/01/2009 | CN201215308Y Steam boiler for brewing |
| 04/01/2009 | CN101398188A Multipurpose energy-saving environment protection kitchen ranges |
| 03/19/2009 | US20090071419 Steam Generator |
| 03/18/2009 | CN201209849Y Combination high-efficiency vapor boiler |
| 03/18/2009 | CN201209848Y Steam generator |
| 03/17/2009 | US7503289 Enhanced radiant heat exchanger apparatus |
| 03/04/2009 | CN201203159Y Combined type multifunctional atmosphere pressure life furnace |
| 03/04/2009 | CN201203096Y Energy-saving gas steam stove |
| 02/26/2009 | US20090050076 Boiler producing steam from flue gases with high electrical efficiency and improved slag quality |
| 02/25/2009 | CN201199042Y Multifunction energy-saving range |
| 02/11/2009 | CN101363614A Combination high-efficiency vapor boiler |
| 02/03/2009 | US7484478 Fired heater |
| 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 |
| 01/21/2009 | CN201184583Y High-efficiency rapid evaporator |
| 01/21/2009 | CN201184582Y Rapid evaporator convenient for cleaning |
| 01/01/2009 | US20090000571 Liquid Heater and Steam Boiler |
| 12/24/2008 | CN201170620Y Novel energy-saving stove |
| 12/24/2008 | CN201170544Y On-line exhaust-heating boiler |
| 12/17/2008 | CN201166356Y Apparatus for producing steam |
| 12/10/2008 | CN201163045Y Multifunctional integrated stove system |
| 11/12/2008 | CN201149241Y Boiler |
| 11/12/2008 | CN201149240Y Steady combustion corrosion resistance gas-fired boiler |
| 10/22/2008 | CN201137917Y Steam production device |
| 10/08/2008 | CN101280913A Steam generator |
| 08/27/2008 | CN101251271A Novel energy-saving range |
| 08/27/2008 | CN101251249A Energy-saving type boiler |
| 08/27/2008 | CN100414170C Horizontal back-burning boiler with double-layer fire grates |
| 07/10/2008 | US20080163792 Preventing tube failure in boilers |
| 07/02/2008 | EP1939412A1 Heat exchanger for cooling fission gas |
| 06/12/2008 | US20080135227 Heated separation vessel for well fluids |
| 06/11/2008 | CN201072119Y Horizontal wood chips burning steam boiler |
| 06/11/2008 | CN101196289A High-efficiency boiler for combustion of furol waste slag |
| 05/28/2008 | CN201066113Y Gas steam generator |
| 05/07/2008 | CN101173769A Multifunctional integrated stove system |
| 04/30/2008 | CN201053668Y Highly effective gas type multifunctional energy-saving steaming cabinet |
| 04/22/2008 | US7360506 Low CO water heater |
| 03/12/2008 | CN101140060A Method and apparatus for producing steam |
| 03/05/2008 | CN101135463A Multifunctional self-control boiler of dining room |
| 03/05/2008 | CN101135435A Method and apparatus for producing steam |
| 02/27/2008 | CN201028481Y Gas steam engine |
| 02/27/2008 | CN201028480Y Energy-saving efficient pot for outdoor deslagging steaming cabinet |
| 02/27/2008 | CN201028479Y Energy-saving efficient pot of indoor steaming cabinet |
| 02/27/2008 | CN201028478Y Improved steam generator |
| 02/13/2008 | CN101122384A Biomass high temperature combustion boiler |
| 02/06/2008 | CN201016468Y Novel horizontal fixed double-decked grate fire coal steam boiler |
| 02/06/2008 | CN100366977C Integrated two return condensationt ype oil burning and gas burning steam boiler with energy saving device |
| 01/30/2008 | CN201014418Y Commercial energy-saving steam boiler |
| 01/30/2008 | CN201014417Y Environmental protection energy-saving rapid heating coke boiler |
| 01/10/2008 | WO2008003322A1 Method of producing steam in a gas tube steam boiler and gas tube steam boiler for implementing said method |
| 01/09/2008 | EP1876390A1 Method of producing steam in a gas tube steam boiler and gas tube steam boiler for implementing said method |
| 01/02/2008 | CN201000055Y Gas energy conserving furnace |
| 12/05/2007 | CN200986180Y Industry boiler using emulsifying coke slurry combustion apparatus |
| 12/05/2007 | CN200986176Y Revolving furnace, electric stove and martin furnace steel-smelting high-temperature air cooling down heat-recovering steam generating energy conservation system device |
| 11/28/2007 | CN200982623Y Vertical honeycomb briquette fired steam boiler |
| 11/14/2007 | CN200975654Y Water vapour generators |
| 10/25/2007 | WO2007121136A2 Improved fired heater and flue gas tunnel therefor |
| 10/11/2007 | US20070234974 Fired heater and flue gas tunnel therefor |
| 09/05/2007 | CN200943843Y Vertical type double surface heated fire tube boiler |
| 08/22/2007 | CN2937831Y Energy-saving steam boiler |
| 08/09/2007 | CA2535968A1 Accelerated flameless evaporation system |
| 07/25/2007 | CN1328539C Medium and small sized industrial pulverized-coal fired boiler |
| 07/11/2007 | CN2921270Y Fast assembling horizontal convection section |
| 07/04/2007 | CN2919026Y Integrated two-return-stroke condensing oil-gas steam boiler with energy-saving instrument |
| 06/20/2007 | CN2913600Y Medium pressure steam-injection boiler |
| 06/06/2007 | CN2909008Y Horizontal back combustion boiler with double fire grate |
| 05/30/2007 | CN2906445Y Fin tube bundle type energy-saving environment-friendly boiler |
| 05/30/2007 | CN2906336Y Bellows type energy-saving gas steamer |
| 05/16/2007 | CN1963297A Ring screw smoke flue for smoke tube built-in water tube of shell type smoke tube boiler |
| 05/09/2007 | CN2898607Y Energy-saving steam stove |
| 02/14/2007 | CN2869585Y Automatic controlled, efficient heat exchanger |
| 12/20/2006 | CN2849476Y Environment protection energy-saving boiler |
| 11/08/2006 | CN1858488A Integrated two return condensationt ype oil burning and gas burning steam boiler with energy saving device |
| 09/06/2006 | CN2814243Y Horizontal fire tube type boiler |
| 09/06/2006 | CN2814148Y Coal and gas combustion two-purpose ultraconducting heat pipe steam generator |
| 08/31/2006 | US20060191498 Vehicle heater and controls therefor |
| 08/16/2006 | CN2806998Y Vertical smoke tube waste heat boiler |
| 08/16/2006 | CN1818462A Horizontal back-burning boiler with double-layer fire grates |
| 07/12/2006 | CN2795656Y High efficiency energy saving boiler |
| 05/24/2006 | CN1776292A Energy-saving steam boiler |
| 02/01/2006 | CN2755434Y Spiral steam generator |
| 02/01/2006 | CN2755433Y Energy-saving steam furnace |
| 01/18/2006 | EP1617139A1 Pipe in a fire tube boiler |