| Patents for F22B 21 - Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically (973) |
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| 12/10/2008 | CN201163016Y Heat exchange structure of exhaust-heat boiler |
| 11/26/2008 | CN201155739Y Membrane type wall sealed yellow phosphorus combustion waste heat boiler possessing coal economizer |
| 11/18/2008 | CA2334699C Fossil-fuel-fired steam generator |
| 11/13/2008 | WO2008137189A2 Process for dispersing nanocatalysts into petroleum-bearing formations |
| 11/12/2008 | EP1990574A2 Coal boiler and corresponding combustion method |
| 11/12/2008 | CN101302943A Generation set |
| 11/06/2008 | WO2008131490A1 Method and apparatus for external combustion engine |
| 11/05/2008 | CN201145261Y Exhaust-heat boiler and boiler body thereof |
| 10/15/2008 | EP1166014B1 Fossil-fuel fired continuous steam generator |
| 09/10/2008 | CN101261005A Membrane type wall sealed yellow phosphorus combustion waste heat boiler possessing coal economizer |
| 09/03/2008 | CN201110534Y Low pressure steam water dual-purpose boiler |
| 08/20/2008 | CN201103898Y Vertical steam boiler |
| 08/20/2008 | CN201103887Y Circulating system of exhaust-heat boiler |
| 08/20/2008 | CN201103886Y Exhaust-heating boiler |
| 08/13/2008 | EP1954923A2 Radiant syngas cooler |
| 08/13/2008 | CN201100629Y Rubbish fuel boiler |
| 07/30/2008 | CN100406812C 热源炉的废热回收装置 Heat furnace waste heat recovery unit |
| 07/23/2008 | CN101228394A Boiler system and method of controlling a boiler system |
| 07/02/2008 | EP1144910B1 Fossil fuel fired steam generator |
| 06/25/2008 | EP1936268A2 Hanging steam generator |
| 06/04/2008 | EP1927809A2 Steam generator |
| 06/04/2008 | CN201069156Y Steam and water dual-purpose horizontal boiler |
| 06/04/2008 | CN201069154Y Residual heat boiler with front radiation cooling chamber and capable of installing with complementary burning device |
| 05/30/2008 | CA2613018A1 Boiler |
| 05/28/2008 | CN201066114Y Boiler using biological energy as fuel |
| 05/22/2008 | US20080115741 Advanced fired heater unit for use in refinery and petro-chemical applications |
| 05/14/2008 | CN201059620Y Venturi tube effect type pure smokeless vertical type steam boilers |
| 05/14/2008 | CN201059537Y Fluidized-bed boiler furnace screen type heating surface structure |
| 05/14/2008 | CN101178172A Clean-burning coal vacuum boiler |
| 05/07/2008 | CN100386562C Air cooler for power station plant and use of such an air cooler |
| 04/23/2008 | CN201050776Y Gas injection boiler with double return loop pipeline |
| 04/23/2008 | CN101166933A Double wall extension |
| 04/10/2008 | US20080083537 System, method and apparatus for hydrogen-oxygen burner in downhole steam generator |
| 04/01/2008 | CA2377681C Fossil-fired steam generator with a nitrogen removal device for fuel gas |
| 03/19/2008 | CN101144612A Skid-mounted type fuel oil supercritical pressure direct-flow gas injection boiler |
| 03/18/2008 | CA2369019C Fossil-fired continuous-flow steam generator |
| 03/06/2008 | US20080053382 Upper bundle cleaning system of steam generator |
| 03/05/2008 | EP1144911B1 Fossil fuel fired steam generator |
| 03/05/2008 | CN101135454A Dangerous waste incineration device |
| 02/27/2008 | EP1891372A1 Boiler system and method of controlling a boiler system |
| 02/27/2008 | CN201028483Y Vertical dry distillation and gasification steam, hot water boiler |
| 02/20/2008 | CN201025360Y Energy-saving normal pressure boiler |
| 01/29/2008 | CA2314844C Water-tube boiler |
| 01/16/2008 | CN101105287A Screen type heated surface arrangement method for fluid bed boiler furnace |
| 01/09/2008 | EP1875130A1 Double wall extension |
| 01/08/2008 | US7316206 Water heater with noise attenuation |
| 12/11/2007 | CA2368972C Fossil-fired continuous-flow steam generator |
| 11/20/2007 | CA2359936C Fossil fuel fired steam generator |
| 11/14/2007 | CN100348903C 锅炉 Boiler |
| 11/06/2007 | US7291313 NOx removal system for boilers |
| 10/16/2007 | US7281499 Method for starting a steam generator comprising a heating gas channel that can be traversed in an approximately horizontal heating gas direction and a steam generator |
| 10/16/2007 | US7281498 Compact high efficiency gas fired steam generator-humidifier |
| 09/06/2007 | DE102006009406A1 Stabilizing process for water circulation involves coolant flowing through cooling tubes being taken out at low geodetic height of generator body and put back later |
| 08/29/2007 | CN101024915A Steam generator and drum type washing machine with the same |
| 08/14/2007 | CA2270781C Steam generator with advanced water feed system |
| 07/18/2007 | CN101002054A 直流锅炉 BOILER |
| 06/28/2007 | US20070144456 Continuous steam generator |
| 06/21/2007 | WO2007018441A3 Steam generator |
| 05/16/2007 | CN2901053Y Small low pressure steam boiler |
| 05/10/2007 | DE20122690U1 Wasserrohrkessel Water-tube boilers |
| 05/02/2007 | EP1779035A1 Once-through boiler |
| 04/25/2007 | CN2893427Y Non-induced air furfural waste residue-combustion boiler |
| 04/17/2007 | US7204966 Hydrocarbon fluid flow divided into heat exchanging paths provided with radiant and convection heating |
| 03/21/2007 | CN2881353Y Gas steam furnace |
| 02/14/2007 | EP1752707A2 Supercritical Downshot Boiler |
| 02/14/2007 | CN2869589Y Combined boiler |
| 01/16/2007 | CA2205452C Boiler with downcomers forming part of support structure |
| 01/09/2007 | CA2306398C Water-tube boiler |
| 01/04/2007 | WO2007001475A1 Boiler system and method of controlling a boiler system |
| 01/04/2007 | CA2612189A1 Boiler system and method of controlling a boiler system |
| 12/13/2006 | CN1289854C Method for starting steam generator with laterally arranged fire gases traversing channel and the steam generator thereof |
| 11/30/2006 | US20060266306 Condensation heat exchanger with a gas/air heat collector |
| 11/29/2006 | CN1287111C Steam generator operating on fossil fuel |
| 11/14/2006 | CA2226019C Water-tube boiler and burner |
| 11/09/2006 | US20060249101 Steam generator comprising successive combustion chambers |
| 11/09/2006 | US20060249099 Compact high efficiency gas fired steam generator-humidifier |
| 11/02/2006 | WO2006114551A1 Double wall extension |
| 08/31/2006 | US20060192023 Method for starting a steam generator comprising a heating gas channel that can be traversed in an approximately horizontal heating gas direction and a steam generator |
| 08/24/2006 | US20060186669 Power generation methods and systems |
| 08/16/2006 | CN2807002Y Single-drum tube grid structured energy-saving wind-leading waste heat boiler for magnesium industry |
| 08/16/2006 | CN2807001Y Double-drum through type energy-saving wind-leading waste heat boiler for magnesium industry |
| 07/26/2006 | CN2800070Y High-efficiency boiler with low energy consumption |
| 07/26/2006 | CN2800066Y Double drum vertically arranged type naturally ventilating waste heat boiler |
| 07/20/2006 | WO2006050714A3 Device for transforming a working medium from a liquid to a vapor state |
| 07/18/2006 | CA2306406C Water-tube boiler |
| 07/11/2006 | CA2226202C Water-tube boiler |
| 06/13/2006 | US7060164 Double-fired processing furnace |
| 06/07/2006 | CN2786436Y Vertical type internal combustion wet-back water pipe three-pass coke boiler |
| 05/30/2006 | CA2260346C Process furnace |
| 04/20/2006 | US20060080964 Air cooler for power plants and use of such an air cooler |
| 03/28/2006 | US7019412 Power generation methods and systems |
| 03/28/2006 | US7017529 Boiler system and method of controlling a boiler system |
| 03/21/2006 | US7013842 Water heating chamber system |
| 03/14/2006 | CA2211983C Water-tube boiler |
| 03/08/2006 | CN1745278A Air cooler for power station plant and use of such an air cooler |
| 02/28/2006 | US7004086 Injection of overfire air through the upper furnace arch for penetration and mixing with flue gas |
| 02/02/2006 | WO2004058918A8 Double-fired processing furnace and bi-pivotal support column therefor |
| 01/26/2006 | US20060016401 Water heating chamber system |
| 01/03/2006 | CA2359939C Fossil fuel fired steam generator |
| 12/22/2005 | US20050279262 Injection of overfire air through the upper furnace arch for penetration and mixing with flue gas |