| 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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| 12/21/2005 | EP1607680A1 Furnace with injection of overfire air |
| 12/21/2005 | CN1710330A Injection of overfire air through the upper furnace arch for penetration and mixing with flue gas |
| 12/14/2005 | CN1707158A Boiler |
| 11/23/2005 | EP1597338A1 Double-fired processing furnace and bi-pivotal support column therefor |
| 11/16/2005 | EP0862993B1 Stainless steel sheet covered with alkali-soluble protective coat |
| 11/16/2005 | CN1696584A Afterheat recovery apparatus of heat source furnace |
| 11/09/2005 | EP1592919A1 Steam generator comprising successive combustion chambers |
| 11/02/2005 | EP1590603A1 Air cooler for power station plant and use of such an air cooler |
| 10/12/2005 | CN2733175Y 锅炉 Boiler |
| 08/02/2005 | CA2351410C Method and apparatus in a fluidized bed reactor |
| 07/27/2005 | EP0884526B1 Boiler |
| 07/26/2005 | CA2355101C Fossil-fired continuous-flow steam generator |
| 07/14/2005 | US20050152822 including nozzles for injecting reducing agents and nitrogen oxide gas removal catalysts, into the outlet of exhaust gas passageways |
| 06/07/2005 | US6901887 Package water tuble boiler having two offset drums |
| 03/16/2005 | CN1193191C Fossil-fuel fired continuous-flow steam generator |
| 03/09/2005 | CN1192189C Fossil-fuel fired continuous steam type boiler |
| 03/09/2005 | CN1192188C Fossil fuel fired steam generator |
| 03/09/2005 | CN1192187C Fossil fuel fired steam generator |
| 03/09/2005 | CN1192186C Fossil fuel fired continuous-flow steam generator |
| 03/09/2005 | CN1192185C Fossil fuel fired steam generator |
| 12/29/2004 | CN2667312Y Low-pressure vertical three backward smoke smokeless steam boiler |
| 12/01/2004 | CN1550710A Steam generator operating on fossil fuel |
| 11/24/2004 | CN2658569Y Vertical coal-fired (coke) steam boiler |
| 11/16/2004 | US6817319 Boiler |
| 11/04/2004 | US20040216460 Power generation methods and systems |
| 11/03/2004 | CN1543551A Method for starting steam generator with laterally arranged fire gases traversing channel and the steam generator thereof |
| 10/27/2004 | CN2651596Y Automatic descaling and antiscaling DC boiler |
| 09/16/2004 | WO2004079260A1 Steam generator comprising successive combustion chambers |
| 09/16/2004 | CA2514891A1 Steam generator comprising successive combustion chambers |
| 09/08/2004 | CN2639718Y Secondary air blast vertical steam boiler |
| 08/26/2004 | WO2004072544A1 Air cooler for power station plant and use of such an air cooler |
| 08/26/2004 | DE10303341A1 Air cooler for power plant has casing around helical pipe bundle, first volume that forms inner casing separate from pressure vessel enclosed by cylindrical outer casing with annular gap between them |
| 08/25/2004 | CN2636084Y Double-grate vertical counter-combustion boiler |
| 07/28/2004 | CN1515821A Low flow resistance environment-protecting energy-saving boiler |
| 07/21/2004 | EP0776412B1 Steam generator and steam turbine driving unit for the use of gaseous propellant, especially hydrogen |
| 07/15/2004 | WO2004058918A1 Double-fired processing furnace and bi-pivotal support column therefor |
| 07/01/2004 | US20040124075 Double-fired processing furnace |
| 06/09/2004 | EP1166015B1 Fossil-fuel fired continuous-flow steam generator |
| 05/27/2004 | WO2004044489A1 Package water tube boiler having two offset drums |
| 05/26/2004 | EP1421317A2 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 |
| 05/20/2004 | US20040094100 Package water tuble boiler having two offset drums |
| 05/12/2004 | CN1149346C Pipe type boiler |
| 04/14/2004 | EP1141626B1 Fluidized bed reactor |
| 04/07/2004 | CN1144972C Water tube boiler |
| 04/06/2004 | US6715450 Fossil-fuel fired continuous-flow steam generator |
| 03/31/2004 | CN1143977C Direct flow steam boiler with steam pocket |
| 03/24/2004 | CN1143072C Method and apparatus in a fluidized bed reactor |
| 03/04/2004 | WO2003021148A8 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 |
| 03/03/2004 | CN1140717C Water tube boiler |
| 02/26/2004 | DE10237105A1 Method for operating water- and smoke-tube boilers comprises simultaneously feeding different media, e.g. water and mixture of water and steam, in opposite directions through pipes on their outer surface |
| 02/18/2004 | CN2603904Y Vertical fire tube smoke dust free boiler |
| 01/21/2004 | CN1135316C 水管锅炉 Water tube boiler |
| 01/15/2004 | WO2004005798A1 Method and device for generating superheated steam and superheated steam processing device |
| 01/15/2004 | US20040007879 End point power production |
| 11/20/2003 | US20030213854 Evaporator configuration for a micro combined heat and power system |
| 11/20/2003 | US20030213247 Enhanced effectiveness evaporator for a micro combined heat and power system |
| 11/12/2003 | CN1127637C Package boiler of unitary construction |
| 11/05/2003 | CN1126904C Fossil-fuel heated boiler with heat flue gas denitrification device |
| 10/29/2003 | CN2583509Y Close arranged diam-reducing water-tube oil-fired, gas-fired boiler |
| 10/29/2003 | CN1125945C Direct flow steam boiler with steam pocket and possessing water level control function |
| 10/01/2003 | CN1122777C Boiler |
| 09/03/2003 | CN1120338C Chaff charcoal boiler |
| 07/09/2003 | CN2559884Y Antiexplosive tube through-flow boiler |
| 07/08/2003 | CA2082502C Water tube boiler |
| 06/18/2003 | CN1111718C Rappable steam generator tube bank |
| 06/17/2003 | US6578830 Gas-fired humidifier |
| 06/17/2003 | CA2184138C Boiler (2) |
| 05/28/2003 | EP1314929A2 Water tube boiler |
| 05/28/2003 | CN1109842C 锅炉 Boiler |
| 05/15/2003 | DE20212461U1 System for operating of water tube and fire tube boilers has upper sections of boiler constructed in one piece by guide tubes connected to those lying below them and guide tubes holding counter-flowing media of different properties |
| 05/06/2003 | US6557499 Fossil-fuel-fired once-through steam generator |
| 04/23/2003 | CN1412470A Coal gas carbonization separate and common combustion composite grate track running turning-over grate boiler |
| 04/17/2003 | WO2003021148A3 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 |
| 03/25/2003 | US6536380 Fossil-fuel heated steam generator, comprising dentrification device for heating gas |
| 03/13/2003 | WO2003021148A2 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 |
| 03/05/2003 | EP1288567A1 Steam generator and process for starting a steam generator with a heating gas channel through which a heating gas can flow in a substantially horizontal direction |
| 03/05/2003 | CN1102499C Stainless steel sheet covered with alkali soluble protective coat |
| 12/31/2002 | US6499440 Fossil-fired steam generator |
| 12/05/2002 | DE10126726A1 Water tube boiler has burner, combustion chamber, contact heating surface and convection part |
| 11/20/2002 | EP1027524B1 Method and apparatus for viscosity reduction of clogging hydrocarbons in oil well |
| 11/19/2002 | US6481386 Fossil-fired continuous-flow steam generator |
| 10/31/2002 | US20020157618 Fossil-fuel-fired once-through steam generator |
| 10/29/2002 | US6470833 Method and apparatus in a fluidized bed reactor |
| 10/23/2002 | CN2517966Y Combined environment protection and energy saving boiler |
| 10/23/2002 | CN1376249A Method and apparatus in a fluidized bed reactor |
| 10/02/2002 | CN2514224Y Atmospheric steam boiler |
| 09/18/2002 | CN2511864Y Boiler with water pipe |
| 09/11/2002 | CN2510728Y Water-cooling-surtain volume-enlarged boiler |
| 09/10/2002 | US6446584 Fossil-fuel-fired steam generator |
| 09/10/2002 | US6446580 Fossil fuel-fired continuous-flow steam generator |
| 08/14/2002 | CN1364226A Fossil-fuel heated steam generator, comprising denitrification device for heating gas |
| 07/10/2002 | CN2499703Y 节能蒸汽锅炉 Saving steam boiler |
| 07/10/2002 | CN1087385C Apparatus for viscosity reduction of clogging hydrocarbons in oil well |
| 07/02/2002 | CA2243711C Boiler |
| 06/26/2002 | EP1141625B1 Fossil fuel fired continuous-flow steam generator |
| 06/05/2002 | CN2494477Y Vertical gate steam and water coal briquette stove |
| 06/04/2002 | US6397788 Compact ultra high efficiency gas fired steam generator |
| 05/29/2002 | CN2493837Y Smokeless combustion vertical coal-combustion steam boiler |
| 04/24/2002 | CN2487960Y Vertical coke boiler |
| 04/24/2002 | CN1346433A Fossil-fuel fired continuous steam type boiler |