| Patents for F22B 13 - Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body (169) | |
|---|---|
| 09/2001 | |
| 09/13/2001 | US20010020451 Compact ultra high efficiency gas fired steam generator |
| 06/2001 | |
| 06/07/2001 | WO2000059284A3 Device for heating a heat carrier |
| 03/2001 | |
| 03/07/2001 | CN2422526Y 便捷式蒸气炉 Portable steam oven |
| 11/2000 | |
| 11/30/2000 | WO2000071933A1 Annular tube heat exchanger |
| 10/2000 | |
| 10/12/2000 | WO2000059284A2 Device for heating a heat carrier |
| 08/2000 | |
| 08/08/2000 | US6098527 Structure of a steaming apparatus |
| 06/2000 | |
| 06/28/2000 | CN2385219Y Constant pressure steam boiler for steaming food |
| 06/21/2000 | CN2384106Y Energy-saving safety dusting boiler |
| 06/20/2000 | US6076518 Steam generator |
| 06/07/2000 | CN2381890Y Environmental protecting and energy-saving boiler |
| 06/06/2000 | US6070559 Annular tube heat exchanger |
| 01/2000 | |
| 01/25/2000 | US6016773 Pulse combustion steam generator |
| 12/1999 | |
| 12/15/1999 | CN2354021Y Steam boiler with heat-corrosion-resisting cannon |
| 11/1999 | |
| 11/11/1999 | DE19912035A1 Steam generator for a turbine |
| 06/1999 | |
| 06/29/1999 | US5915468 High-temperature generator |
| 06/16/1999 | CN1219666A 箱式循环流化床锅炉 Box circulating fluidized bed boiler |
| 02/1999 | |
| 02/03/1999 | CN2306396Y Improved steam boiler |
| 01/1999 | |
| 01/13/1999 | CN2304007Y Self-body of fuel-oil after-heat boiler |
| 10/1998 | |
| 10/06/1998 | US5816496 Gas fired humidifier |
| 09/1998 | |
| 09/09/1998 | EP0863365A2 Steam generator |
| 06/1998 | |
| 06/03/1998 | CN2283184Y Vacuum vertical coal-fired boiler |
| 04/1998 | |
| 04/22/1998 | CN2279520Y Water channel type steam boiler with preheating flue tube |
| 01/1998 | |
| 01/14/1998 | CN2272522Y 蒸气发生器 Steam generator |
| 11/1997 | |
| 11/18/1997 | US5687677 Heat exchange tube and method of making same |
| 10/1997 | |
| 10/29/1997 | EP0803686A2 Gas fired humidifier |
| 10/22/1997 | CN2265478Y Superthermal conduction normal pressure water-heating boiler |
| 10/22/1997 | CN1162727A High-temperature generator |
| 05/1995 | |
| 05/31/1995 | CN2199430Y Smoke eliminating energy-saving boiler |
| 11/1992 | |
| 11/18/1992 | CN2122311U High efficiency and energy-saving boiler having two bodies |
| 01/1992 | |
| 01/29/1992 | CN2094681U Non-pressure high-temp. heat carrier coal-burning furnace |
| 01/1991 | |
| 01/15/1991 | CA1278962C Underfed stoker boiler for burning bituminous coal and other solid fuel particles |
| 10/1990 | |
| 10/17/1990 | CN2064008U Oil-burning vertical pipe steam boiler of ship |
| 07/1990 | |
| 07/26/1990 | DE4005467A1 Blast pipe for steam locomotive - has control systems for varying pipe opening |
| 03/1990 | |
| 03/21/1990 | CN2054863U Water and steam dual purpose stove with two fire grates |
| 05/1989 | |
| 05/02/1989 | US4825814 Combination gas combuster and heat pipe evaporator device |
| 04/1989 | |
| 04/26/1989 | CN2036614U Industrial smallsize vertical high efficiency boiler |
| 12/1988 | |
| 12/21/1988 | CN88210906U High intensity heat-transfer vertical boiler |
| 12/13/1988 | CA1246407A1 Pre-heater |
| 02/1988 | |
| 02/24/1988 | CN87202287U Vertical type hot water (steam) boiler |
| 12/1987 | |
| 12/23/1987 | CN86208213U Horizontal steam boiler with three cycling loops |
| 10/1987 | |
| 10/06/1987 | US4697530 Underfed stoker boiler for burning bituminous coal and other solid fuel particles |
| 09/1987 | |
| 09/30/1987 | CN86206391U Smoke elimination multiple-purpose boiler |
| 02/1987 | |
| 02/10/1987 | US4641606 Cell boiler |
| 10/1986 | |
| 10/01/1986 | CN85102001A Burning method of saving energy of grate-fired coal furnace |
| 08/1986 | |
| 08/27/1986 | CN85204783U Multipurpose steam and water-supplying boiler used in industry |
| 04/1986 | |
| 04/01/1986 | CA1202526A1 Supplying pulverized coal to a coal-fired furnace |
| 09/1985 | |
| 09/09/1985 | EP0118423A4 Supplying pulverized coal to a coal-fired furnace. |
| 05/1985 | |
| 05/28/1985 | US4519212 Boiler-driven power generator |
| 02/1985 | |
| 02/13/1985 | EP0132470A1 Safety boiler with high efficiency |
| 09/1984 | |
| 09/19/1984 | EP0118423A1 Supplying pulverized coal to a coal-fired furnace |
| 04/1984 | |
| 04/10/1984 | CA1165195A1 Fluidised bed boilers |
| 03/1984 | |
| 03/15/1984 | WO1984001016A1 Supplying pulverized coal to a coal-fired furnace |
| 01/1984 | |
| 01/17/1984 | US4425875 Wound boiler with removable and replaceable combustion chamber |
| 12/1983 | |
| 12/13/1983 | US4419941 Supplying pulverized coal to a coal-fired furnace |
| 12/06/1983 | US4418649 Boiler structure |
| 11/1983 | |
| 11/15/1983 | CA1156885A1 Shell boilers |
| 11/08/1983 | CA1156524A1 Horizontal shell boilers |
| 10/1983 | |
| 10/18/1983 | US4409926 Horizontal sheel boiler |
| 10/04/1983 | US4407235 Safety boiler with high efficiency |
| 01/1983 | |
| 01/25/1983 | CA1140108A1 Hot oil heater with helical coil baffle |
| 03/1982 | |
| 03/16/1982 | CA1119892A1 Thermic reactor |
| 04/1981 | |
| 04/14/1981 | US4261299 Wound boiler |
| 08/1980 | |
| 08/26/1980 | CA1084364A1 Heating boiler |
| 03/1980 | |
| 03/04/1980 | US4191132 Thermic reactor |
| 12/1979 | |
| 12/25/1979 | US4180018 Heating boiler |
| 09/1978 | |
| 09/26/1978 | US4116167 Methods and apparatus for heating a fluid by vapor condensation |
| 05/1977 | |
| 05/10/1977 | US4022163 Boiler using combustible fluid |
| 01/1976 | |
| 01/27/1976 | US3934556 Boiler using combustible fluid |
| 01/27/1976 | US3934555 Boiler using combustible fluid |
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