| Patents for F22B 29 - Steam boilers of forced-flow type (699) |
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| 05/08/1991 | EP0425717A1 Once-through steam generator |
| 05/01/1991 | CA2028796A1 Continuous-flow steam generator |
| 04/24/1991 | CN1012448B Spiral to vertical furnace tube transition |
| 01/29/1991 | US4987862 Once-through steam generator |
| 07/10/1990 | CA1271376A1 Spiral to vertical furnace tube transition |
| 05/22/1990 | US4926799 Continuous flow steam generator |
| 04/18/1990 | CN1041438A Steam generator using waste heat |
| 03/07/1990 | EP0357590A1 Waste heat boiler |
| 01/31/1990 | EP0352488A1 Once-through steam generator |
| 01/10/1990 | EP0349834A1 Once-through steam generator |
| 09/26/1989 | US4869210 Method of operating a once-through steam generator |
| 09/12/1989 | US4864973 Spiral to vertical furnace tube transition |
| 09/05/1989 | US4862692 Supercritical pressure once-through boiler |
| 06/14/1989 | CN1004512B 锅炉 Boiler |
| 03/29/1989 | EP0308728A1 Method of operating a once-through steam generator |
| 08/23/1988 | CA1240890A1 Steam generators and combined cycle power plants employing the same |
| 08/03/1988 | EP0139000B1 Once through boiler |
| 07/05/1988 | US4754725 Supercritical sliding pressure operation boiler with rear gas duct |
| 04/20/1988 | CN87204442U Multifunctional low-pressure and coal-saving miniature boiler |
| 04/19/1988 | US4738224 Waste heat steam generator |
| 02/04/1988 | DE3625062A1 Steam generator with downstream catalytic gas purification and superposed forced circulation |
| 01/13/1987 | CA1216483A1 Splitter-bifurcate arrangement for a vapor generating system utilizing angularly arranged furnace boundary wall fluid flow tubes |
| 12/30/1986 | US4632064 Boiler |
| 12/23/1986 | US4631004 Jet pump having pressure responsive motive fluid control valve |
| 12/17/1986 | EP0205194A2 Combined cycle power plant |
| 10/29/1986 | EP0199251A1 Waste heat steam generator |
| 10/15/1986 | EP0197378A1 Once-through steam generator |
| 10/01/1986 | CN86100007A Spiral to vertical furnace tube transition |
| 09/02/1986 | US4608945 Apparatus for recirculating boiler fluid |
| 08/27/1986 | EP0192044A1 Boiler with a rear gas duct |
| 08/20/1986 | CN86100970A 锅炉 Boiler |
| 07/16/1986 | EP0187542A2 Spiral to vertical furnace tube transition |
| 05/10/1986 | CN85107016A 锅炉 Boiler |
| 04/01/1986 | US4579089 Steam generator, especially a continuous flow steam generator |
| 03/04/1986 | US4573323 Steam generating apparatus and methods |
| 06/20/1985 | WO1985002667A1 Device for recirculation of boiler medium |
| 06/04/1985 | US4520762 Forced through-flow steam generator |
| 05/02/1985 | EP0139000A1 Once through boiler. |
| 12/18/1984 | CA1179563A1 Vapor generator having drainable tube bends around burner openings extending through furnace boundary walls formed in part by angularly extending fluid flow tubes |
| 10/25/1984 | WO1984004149A1 Steam generators and combined cycle power plants employing the same |
| 10/23/1984 | CA1176517A1 Forced-flow vapour generator apparatus |
| 09/25/1984 | US4473035 Splitter-bifurcate arrangement for a vapor generating system utilizing angularly arranged furnace boundary wall fluid flow tubes |
| 09/25/1984 | CA1174919A1 Stationary steam boiler with forced multiple circulation |
| 08/14/1984 | US4465021 Steam generator with a main boiler and a fluidized bed furnace |
| 02/14/1984 | US4430962 Forced flow vapor generator plant |
| 09/27/1983 | CA1154334A1 Vapour generator with a partition between two combustion chambers |
| 09/13/1983 | US4403575 Device for preventing flashing to steam in an economizer of a flow through steam generator |
| 07/26/1983 | US4394849 Vapor generator having drainable tube bends around burner openings extending through furnace boundary walls formed in part by angularly extending fluid flow tubes |
| 07/06/1983 | EP0082976A2 Tube arrangement for furnace wall |
| 07/05/1983 | US4391101 Attemperator-deaerator condenser |
| 06/14/1983 | US4387668 Tube arrangement for furnace wall |
| 06/01/1983 | EP0080173A2 Steam generator, particularly of the once-through type |
| 02/22/1983 | CA1141610A1 Once through sliding pressure steam generator |
| 01/11/1983 | US4367628 Low chemical concentrating steam generating cycle |
| 01/11/1983 | CA1139167A1 Vapour generator for two fuels having different flame radiation intensity |
| 08/17/1982 | US4344388 Vapor generating system utilizing integral separators and angularly arranged furnace boundary wall fluid flow tubes having rifled bores |
| 08/05/1982 | WO1982002583A1 Stationary steam boiler with multiple forced circulation |
| 08/03/1982 | US4342286 Integral economizer steam generator |
| 06/30/1982 | EP0054601A1 Forced-circulation steam boiler |
| 06/15/1982 | CA1125597A1 Steam generator arrangement |
| 06/15/1982 | CA1125595A1 Vapor generating system utilizing integral separators and angularly arranged furnace boundary wall fluid flow tubes having rifled bores |
| 05/25/1982 | US4331105 Forced-flow once-through boiler for variable supercritical pressure operation |
| 05/18/1982 | CA1123691A1 Steam generator |
| 04/20/1982 | US4325328 Vapor generator having a pair of combustion chambers |
| 02/16/1982 | US4315485 Vapor generator for fuels having different flame radiation intensities |
| 10/13/1981 | US4294200 Variable pressure vapor generator utilizing crossover circuitry for the furnace boundary wall fluid flow tubes |
| 09/29/1981 | CA1109943A1 Forced-flow steam generator |
| 09/22/1981 | US4290389 Once through sliding pressure steam generator |
| 09/15/1981 | US4289093 Steam generator |
| 07/28/1981 | CA1105788A1 Vapor generating system utilizing angularly arranged bifurcated furnace boundary wall fluid flow tubes |
| 05/19/1981 | CA1101283A1 Vapor generating system utilizing integral separators and angularly arranged furnace boundry wall fluid flow tubes |
| 04/21/1981 | US4262636 Method of starting a forced-flow steam generator |
| 04/14/1981 | US4261301 Temperature holding device for water collecting vessels of once-through steam generators |
| 04/14/1981 | CA1099162A1 Furnace enclosure for vapor generator |
| 04/01/1981 | EP0025975A2 Once through sliding pressure steam generator |
| 03/11/1981 | EP0024689A1 Vapour generator with a centre wall between two combustion chambers |
| 01/20/1981 | US4245588 Vapor generating system having a division wall penetrating a furnace boundary wall formed in part by angularly extending fluid flow tubes |
| 01/13/1981 | US4244327 Steam generator arrangement |
| 01/07/1981 | EP0021034A2 Steam generator arrangement |
| 06/24/1980 | CA1080053A1 Assembly of a combustion chamber nose in a continuous-flow boiler having a two-section construction with gas-tightly welded walls |
| 06/03/1980 | US4205633 Device for separating water and steam in a once-through steam generator |
| 05/27/1980 | US4204502 Once-through forced-circulation steam generator |
| 04/22/1980 | US4198930 Gas screen arrangement for a vapor generator |
| 03/25/1980 | US4194468 Forced-flow boiler installation and method of operating the same |
| 03/04/1980 | US4191133 Vapor generating system utilizing integral separators and angularly arranged furnace boundary wall fluid flow tubes having rifled bores |
| 12/18/1979 | US4178881 Vapor generating system utilizing angularly arranged bifurcated furnace boundary wall fluid flow tubes |
| 11/27/1979 | US4175519 Vapor generator utilizing vertical bars for supporting angularly arranged furnace boundary wall fluid flow tubes |
| 11/20/1979 | CA1066693A1 Pressure staged heat exchanger |
| 05/15/1979 | CA1054467A1 Vapor generator |
| 03/27/1979 | US4145997 Furnace enclosure for vapor generator |
| 09/26/1978 | US4116168 Vapor generating system utilizing integral separators and angularly arranged furnance boundary wall fluid flow tubes |
| 08/29/1978 | CA1037326A1 Integral separator start-up system for a vapor generator with constant pressure furnace circuitry |
| 07/11/1978 | US4099384 Integral separator start-up system for a vapor generator with constant pressure furnace circuitry |
| 05/23/1978 | US4090473 Steam generator for steam power plant |
| 02/28/1978 | US4075979 Assembly of a combustion chamber nose in a continuous-flow boiler having a two-section construction with gas-tightly welded walls |
| 02/07/1978 | US4072182 Pressure staged heat exchanger |
| 01/04/1977 | US4000720 Vapor generator |
| 08/03/1976 | US3972193 Integral separator start-up system for a vapor generator with constant pressure furnace circuitry |
| 05/04/1976 | US3954087 Integral separation start-up system for a vapor generator with variable pressure furnace circuitry |