| Patents for F22B 23 - Water-tube boilers built-up from sets of spaced double-walled water tubes of return type in unilaterial abutting connection with a boiler drum or with a header box, i.e. built-up from field water tubes comprising an inner tube arranged within an outer unilaterally-closed tube (66) |
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| 10/28/2014 | US8869752 Cast iron or aluminum sectional boiler |
| 08/20/2014 | EP2766661A2 Anti-clogging steam generator tube bundle |
| 06/24/2014 | US8757102 Boiler |
| 05/20/2014 | US8726851 Heat exchanger element with a combustion chamber for a low CO and NOx emission combustor |
| 04/29/2014 | US8707912 Furnace of boiler for power station |
| 12/10/2013 | US8603580 High stability and high capacity precursor vapor generation for thin film deposition |
| 04/25/2013 | WO2013058873A2 Anti-clogging steam generator tube bundle |
| 04/18/2013 | US20130092106 Anti-clogging steam generator tube bundle |
| 10/09/2012 | US8281564 Heat transfer tubes having dimples arranged between adjacent fins |
| 06/07/2012 | US20120138149 Hot water supply system, water heater and hot water supply control method |
| 04/03/2012 | CA2535855C High-efficiency enhanced boiler |
| 02/29/2012 | EP2422133A1 A boiler equipped with cooled baffles in the flue passage |
| 01/10/2012 | US8091515 Heat exchanger for hot air generator and boiler |
| 10/25/2011 | US8042497 Steam generator arrangement |
| 10/12/2011 | EP1658462B1 Device for transferring heat from a fluid to a heat transfer medium |
| 08/04/2011 | WO2011093163A1 Waste heat boiler |
| 04/12/2011 | US7921507 Heating apparatus and cleaner having the same |
| 03/03/2011 | US20110048342 Heat exchanger water heating system for commercial dishwasher |
| 10/28/2010 | WO2010123449A1 A boiler equipped with cooled baffles in the flue passage |
| 08/31/2010 | US7784434 Heat exchange element and heating system provided with such heat exchange element |
| 04/01/2010 | US20100077968 Oxy/fuel combustion system having combined convective section and radiant section |
| 03/25/2010 | US20100071634 Furnace of boiler for power station |
| 03/03/2010 | EP2159506A1 Heat exchanger |
| 10/29/2008 | CN101294739A Lifting casing tube boiler |
| 10/23/2008 | US20080257283 Boiler |
| 10/14/2008 | US7434545 Water heater and method of operating the same |
| 10/07/2008 | US7431225 Methods of operating a liquid vaporizer |
| 03/19/2008 | EP1658462A4 High-efficiency enhanced boiler |
| 01/03/2008 | WO2008002940A2 Condensing side-arm water heater |
| 06/26/2007 | CA2499244C Boiler and burner apparatus |
| 05/31/2007 | WO2007062242A2 High stability and high capacity precursor vapor generation for thin film deposition |
| 05/31/2007 | US20070120275 High stability and high capacity precursor vapor generation for thin film deposition |
| 05/16/2007 | CN2901053Y Small low pressure steam boiler |
| 10/03/2006 | US7114669 Vaporizer includes nozzle with liquid exit and inlet; actuating seal adapted to engage liquid inlet to regulate a flow; andactuating a positive shut-off valve; carrier gas inlet coupled to body and a plurality of peltier cells coupled to the body |
| 09/26/2006 | US7111590 Water heater having windproof effect |
| 05/24/2006 | EP1658462A2 High-efficiency enhanced boiler |
| 05/02/2006 | US7036462 Boiler and burner apparatus |
| 03/21/2006 | US7013843 Downdraft boiler with turbulators |
| 02/14/2006 | US6997403 Liquid vaporizer with positive liquid shut-off |
| 09/08/2005 | US20050193959 Boiler and burner apparatus |
| 06/09/2005 | WO2005021122A3 High-efficiency enhanced boiler |
| 03/10/2005 | WO2005021122A2 High-efficiency enhanced boiler |
| 09/08/2004 | CN2639719Y Water cooling wall pipe driving jet circulation boiler |
| 07/21/2004 | CN2627366Y Boiler with primary and secondary collecting box |
| 11/14/2001 | CN2459533Y Vertical normal pressure high temp. steam boiler |
| 10/31/2001 | CN2457447Y Horizontal IC gas and oil double tubular steam boiler |
| 03/21/2001 | CN2424369Y Steam boiler for burning honecomb briquette |
| 11/22/2000 | CN2407234Y Boiler for steaming or boiling water |
| 09/03/1997 | CN2261558Y Multifunctional boiler with two chambers and separate bodies |
| 01/03/1996 | EP0416132B1 Heating device |
| 10/12/1995 | WO1995027172A1 Steam boiler |
| 10/05/1994 | CN2178836Y Compound water-cooling furnace wall |
| 01/05/1994 | DE4221130A1 Tube bundle type liq. evaporator - useful for steam generation or hot gas cooling |
| 08/10/1993 | CA1321161C Reboiler |
| 02/12/1992 | CN2096007U Water cooling tube group for protecting boiler tube-plate overheat |
| 12/03/1991 | US5069169 Tube-in-shell heating apparatus |
| 11/13/1991 | EP0253844B1 Reboiler |
| 03/13/1991 | EP0416132A1 Heating device |
| 04/10/1990 | WO1990011473A1 Heating device |
| 05/23/1989 | US4831968 Reboiler |
| 01/27/1988 | EP0253844A1 Reboiler. |
| 07/16/1987 | WO1987004084A1 Reboiler |
| 02/17/1987 | US4643133 Cluster boiler |
| 09/08/1981 | US4287944 Heat exchanger for cooling process gases which are under high pressure and temperature |
| 02/20/1979 | US4140176 Protective tubes for sodium heated water tubes |
| 02/07/1978 | US4072189 Immersion-tube heat exchanger |