| Patents for F28D 21 - Heat-exchange apparatus not covered by any of the groups (2,512) |
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| 11/23/1999 | US5987896 System and method for regulating the flow of a fluid refrigerant to a cooling element |
| 11/10/1999 | EP0955712A1 Method for removing power loss |
| 11/10/1999 | CN1234486A Thermochemical heat regeneration method for recovering heat |
| 11/03/1999 | EP0953543A2 Thermochemical regenerative heat recovery process |
| 10/28/1999 | DE19922696A1 Remote heat supply using waste head from thermal power plants and industrial processes |
| 10/21/1999 | WO1999053561A1 Catalyzed wall fuel gas reformer |
| 10/21/1999 | WO1999053245A1 Heat and moisture exchange apparatus for architectural applications |
| 10/21/1999 | DE19817031A1 Device for heat recovery from waste water |
| 10/21/1999 | CA2328862A1 Catalyzed wall fuel gas reformer |
| 10/06/1999 | CN2342342Y Steam ejecting graded heat supply device |
| 10/06/1999 | CN1231068A Fuel cell system for electric generation heating, cooling and ventilation |
| 09/22/1999 | CN2339962Y Water heater of recovering waste-heat of refrigerating system |
| 09/22/1999 | CN1229187A Variable positive-displacement heat exchanger |
| 09/09/1999 | DE19808146A1 Demisting and heat recovery from flue gas e.g. gas-fired plant flue gas having high aggressive acid component content |
| 08/31/1999 | US5944090 Heat exchanger for furnace flue |
| 08/31/1999 | US5943874 Desiccant assisted air conditioning apparatus |
| 08/12/1999 | DE19846515A1 Device for conveying waste water heat from e.g. showers |
| 08/05/1999 | DE19758567A1 Method for recovering heat from heating plants |
| 07/08/1999 | DE19820379C1 Regenerative use of power loss of at least one heavy current cable |
| 07/07/1999 | CN2327983Y Externally circulating vaporizer |
| 06/30/1999 | CN2326928Y Capillary-tube efficient heat-exchanger |
| 06/24/1999 | DE19752709A1 Method for recovering heat from heating plants |
| 06/23/1999 | EP0924409A2 Heat exchanger system for a gas turbine engine |
| 06/23/1999 | CN2325749Y Plate heat-exchange station |
| 06/16/1999 | CN2324525Y Thermal storage battery of return loop heat pipe |
| 05/25/1999 | CA2111174C Coolant recovery system |
| 05/06/1999 | EP0913008A2 Fuel cell system for electric generation, heating, cooling and ventilation |
| 04/06/1999 | US5891188 Fast changing heating-cooling device and method |
| 02/24/1999 | EP0898130A2 A system and method for regulating the flow of a fluid refigerant to a cooling element |
| 02/10/1999 | CN2307278Y Combined central processor radiator |
| 01/14/1999 | DE19729213A1 Heat-recovery method from outgoing or incoming medium |
| 01/12/1999 | US5857515 A passive heat exchanger using waste hot fluid as a heat source; pvc tubing, circular portions having a defined radius curve coupled to the object to be warmed; bathrooom shower installations |
| 01/07/1999 | WO1999000634A1 Energy-recovery cooling unit |
| 12/30/1998 | WO1998059209A1 Stabilising thermally beneficiated carbonaceous material |
| 12/10/1998 | DE19723148A1 Heat-recovery system from drainwater |
| 11/17/1998 | US5838880 Ground heating system |
| 11/03/1998 | US5829517 Flow module |
| 10/28/1998 | CN2295983Y Radiating pipe heat exchanger |
| 10/22/1998 | WO1998046959A1 Air-conditioning system and method of operating the same |
| 10/22/1998 | WO1998046957A1 Air-conditioning system and method of operating the same |
| 10/15/1998 | DE19714760A1 Method for recovering heat from heating plants |
| 10/14/1998 | EP0870996A2 Smoke gas converter |
| 10/06/1998 | US5816314 Geothermal heat exchange unit |
| 09/18/1998 | CA2200233A1 Shower bath heat exchanging trap |
| 09/16/1998 | CN1193098A Absorption type electrohydraulic heat-exchanging method and heat exchanger |
| 09/11/1998 | WO1998039613A1 Method and apparatus for heat transfer |
| 08/11/1998 | US5791404 Flooding reduction on a tubular heat exchanger |
| 08/11/1998 | US5791401 Heat recovery device for showers |
| 07/23/1998 | WO1998032060A1 Fluid temperature control device and method therefor |
| 06/02/1998 | US5758717 System and method for the recovery of waste heat from pipelines |
| 05/14/1998 | DE19646798A1 Heat exchanger installation for exhaust gases of boiler |
| 05/07/1998 | DE19643866A1 Purification of gaseous pollutants from exhaust gas |
| 04/29/1998 | CN2280271Y Shell and tube type multi mass heat exchanger |
| 04/23/1998 | WO1998004011A3 Fuel cell system for electric generation, heating, cooling and ventilation |
| 04/21/1998 | US5740857 Heat Recovery and storage system |
| 04/07/1998 | US5735680 Fume incineration |
| 04/01/1998 | CN1177708A Moisture-removing air-conditioner |
| 03/24/1998 | US5730356 Method and system for improving the efficiency of a boiler power generation system |
| 02/26/1998 | DE19633965A1 Cooling arrangement and process for tube support plates |
| 02/11/1998 | CN1172897A Heat exchanger of water and air for large engine |
| 02/04/1998 | CN1172245A Method and device for producing hot water for shower bath |
| 02/03/1998 | CA2156569C Anti-pollution system |
| 01/29/1998 | WO1998004011A2 Fuel cell system for electric generation, heating, cooling and ventilation |
| 01/29/1998 | DE19629015A1 Cooling device for exhaust gas recirculation system |
| 01/28/1998 | EP0821208A2 Unit for exchanging heat between hot waste gases or flue gases and water |
| 01/15/1998 | DE19627773A1 Heat recovery device for radiant gas heater |
| 12/30/1997 | US5702435 Surgical probe |
| 12/29/1997 | EP0814313A1 Device for recovering heat from flue gases |
| 12/04/1997 | DE19719311A1 Heat exchanger |
| 11/13/1997 | DE19618890A1 System for recovering heat from furnace flue gases |
| 11/05/1997 | EP0805328A2 Flow module |
| 10/23/1997 | DE19619526A1 Heat-exchanger heating or cooling gas |
| 10/22/1997 | EP0801938A2 Thermal treatment apparatus |
| 10/01/1997 | CN1160842A Method and equipment for substituting water-atomizing heat exchanger for saturated hot-water tower |
| 08/26/1997 | US5660193 Waste water heat recovering unit and dishwashing machine |
| 08/13/1997 | CN2259608Y Atmospheric hot air furnace |
| 08/07/1997 | DE19603903A1 Heat exchanger used with especially solid fuel heater |
| 07/24/1997 | WO1997021968A3 Heat exchanger |
| 07/17/1997 | CA2193792A1 Ground heating system |
| 06/19/1997 | WO1997021968A2 Heat exchanger |
| 06/03/1997 | CA2136114C Method of connecting a heat exchanger to a forced air furnace and related valve |
| 05/07/1997 | DE19608404A1 Shower waste water residual heat recovery |
| 04/29/1997 | US5623986 Advanced in-ground/in-water heat exchange unit |
| 04/24/1997 | DE19546190C1 Device for heating heat transport fluid |
| 04/10/1997 | DE19533987A1 Furnace exhaust gas heat recovery process |
| 01/09/1997 | WO1997001072A1 A method and a device for heat recovery from flue gases |
| 01/07/1997 | US5590708 Heat exchanger block |
| 11/20/1996 | CN2240702Y Integral composite heat exchanger |
| 11/05/1996 | US5570644 Anti-pollution system |
| 07/25/1996 | WO1996022498A1 Heat recovery and storage device |
| 06/04/1996 | US5522870 Fast changing heating-cooling device and method |
| 04/24/1996 | EP0547207B1 Device for using the waste heat in flue gases for the simultaneous cleaning thereof |
| 04/23/1996 | US5510087 Vertically housed spray washer, heat exchanger tubes for cooling flue gas, alkali reagent sprayer, second heat exchanger tubes, and pollution collector; efficiency |
| 03/19/1996 | US5499622 Afterburner system and process |
| 03/14/1996 | DE4432284A1 Air/gas heat exchanger |
| 03/07/1996 | DE4430648A1 Recuperator control, suitable for heat recovery at constant temp., from flues or dryers; avoids |
| 01/10/1996 | EP0691153A1 Flue gas treatment |
| 01/09/1996 | US5481880 Process and assembly for the compression of a gas |
| 01/03/1996 | EP0689791A1 Rinsing machine and heat recovery system from used water |
| 01/03/1996 | EP0689660A1 Flue-gas ducts and recuperative heat-exchangers for flue gases |