| Patents for F28D 21 - Heat-exchange apparatus not covered by any of the groups (2,512) |
|---|
| 10/31/1995 | US5461870 Multi vertical circuits |
| 10/12/1995 | DE19506015A1 Method of recovering heat from waste and rain water |
| 10/11/1995 | CN1109967A Technological process for recovering afterheat from synthesizing ammonia (methyl alcohol) |
| 09/28/1995 | DE4410434A1 Heat exchanger for heating and ventilating systems |
| 09/26/1995 | US5452583 Coolant recovery system |
| 09/07/1995 | DE4406772A1 Process maintains smoke gases at or above dew point after combustion of fossil fuels |
| 08/31/1995 | DE4406302A1 Heat generator with water chamber in housing |
| 08/31/1995 | DE4406141A1 Plant for warming heating and process water |
| 08/30/1995 | CN1107576A Direct temp. control and air supply system by natural heat-storaging mother substance |
| 08/29/1995 | CA1336807C Convector heating apparatus |
| 07/05/1995 | CN1104724A Process and assembly for the compression of a gas |
| 06/21/1995 | EP0658737A2 Heat exchanger block |
| 06/13/1995 | US5423374 Heat exchanger for flue gas |
| 05/24/1995 | CN1102879A Self-refrigerated method of cryogenic fractionation and purification of gas and heat exchanger for carrying out the method |
| 05/11/1995 | DE4337744A1 Installation for recovering heat from fluids, e.g. domestic waste water |
| 05/10/1995 | CN2196774Y Water-boiling, food-steaming and bathing three purpose energy-saving case |
| 05/04/1995 | DE4337205A1 Heat recovery apparatus and process for extruding and granulating apparatuses in comminuting and cleaning stages of plastics recycling installations for pretreated plastics fractions |
| 04/25/1995 | US5409676 Heat transfer system utilizing hydrogen absorbing metals |
| 04/20/1995 | DE4436412A1 Method and arrangement for recovering heat from the waste gases of furnaces (fireplaces, firing places) |
| 04/19/1995 | EP0648982A1 Method and installation for the heat recuperation from combustion gasses |
| 04/06/1995 | WO1995004900A3 System for treating fumes or polluted air |
| 03/22/1995 | EP0644390A1 Gas compression process and assembly |
| 03/22/1995 | CA2132367A1 Process and assembly for compressing a gas |
| 03/08/1995 | EP0641987A1 Shell-and-tube exchanger |
| 03/07/1995 | US5394860 Method of connecting a heat exchanger to a forced air furnace and related valve |
| 02/16/1995 | WO1995004900A2 System for treating fumes or polluted air |
| 01/31/1995 | US5385299 Fresh air intake system for a dwelling having central forced warm air heating |
| 01/26/1995 | DE4324687A1 Recovery of heat from waste water |
| 01/19/1995 | DE4337856A1 Cooling of hydraulic lift oil |
| 01/18/1995 | EP0634618A1 Self-refrigerating process for cryogenic fractionation and purification of gas and heat exchanger for carrying out the process |
| 01/04/1995 | EP0632238A1 Method and apparatus for the recuperation of heat from flue gases of furnaces with a heat exchanger |
| 01/03/1995 | US5377491 Coolant recovery process |
| 12/21/1994 | CN2185879Y 太阳能热水器 Solar water heaters |
| 12/14/1994 | EP0550539B1 Apparatus for ammonia synthesis |
| 10/19/1994 | CN1093795A Coolant recovery system |
| 10/13/1994 | WO1994023260A1 Flue-gas ducts and recuperative heat-exchangers for flue gases |
| 10/06/1994 | DE4406971A1 Shower tray (receptor) or bathtub and washbasin with integrated heat exchanger |
| 09/29/1994 | DE4309475A1 Heat recovery system |
| 09/28/1994 | EP0333739B1 Convector heating apparatus |
| 09/20/1994 | US5347958 Heat recovery apparatus and an improved heat recovery method |
| 09/13/1994 | US5345996 Energy saving water and air bubble heat maximizer for swimming pools, hot tubs, and spas |
| 08/03/1994 | EP0608927A2 Fast changing heating-cooling device and method |
| 07/06/1994 | EP0604671A1 Condensing catalyst with heat-recuperation and reduction of pollutants |
| 06/30/1994 | DE4402269A1 System utilising waste heat of shower water |
| 06/16/1994 | DE4242233A1 Heat recovery system for boiler furnaces - has parts of the heat exchanger made of heat-resistant polyurethane-based casting material |
| 06/15/1994 | EP0601601A1 Coolant recovery system |
| 06/15/1994 | EP0411112B1 Heat exchanger |
| 06/01/1994 | EP0599714A1 Mass and heat exchanger with porous plates |
| 05/31/1994 | US5316628 Process and device for the simultaneous transfer of material and heat |
| 05/10/1994 | US5310440 Convection transfer system |
| 04/05/1994 | US5300275 Steam reforming |
| 03/15/1994 | US5293841 Arrangement for utilizing the heat contained in the exhaust gas of a coal-fired boiler |
| 11/30/1993 | US5265670 Convection transfer system |
| 10/12/1993 | US5251575 Installation for cooling hot, dust-charged gas in a steam generator, and a process for operating said installation |
| 10/05/1993 | US5250091 Apparatus for separating a gas-water vapor mixture |
| 09/08/1993 | EP0558899A1 System for using the heat of the exhaust gases from a coal-fired boiler |
| 09/01/1993 | CN2141551Y High-effect energy-saving steam-water and water-water two-stage heat exchanger |
| 08/17/1993 | US5236671 Apparatus for ammonia synthesis |
| 08/04/1993 | EP0431143B1 Process and device for the simultaneous transfer of material and heat |
| 06/23/1993 | EP0547207A1 Device for using the waste heat in flue gases for the simultaneous cleaning thereof. |
| 06/17/1993 | DE4140953A1 Tube heat exchanger for hot water heating boiler - cools combustion gases and combustion air used by boiler, tubes conveying combustion gases with air contacting tube exteriors. |
| 06/01/1993 | US5215144 Heat exchanger |
| 05/25/1993 | CA1318314C Variable temperature waste heat recovery system |
| 05/11/1993 | US5209291 Cooling apparatus for optical devices |
| 03/11/1993 | DE4128244A1 Energy conservation wall in buildings to utilise waste heat - consists of hollow dividing wall, with waste water intake and fresh water pipe or heat exchanger |
| 03/04/1993 | DE4135560A1 Unpressurised warm waste water-cold fresh water heat exchanger - has two=part container, with warmer waste water supplied to top section, colder water to lower section |
| 01/27/1993 | CA2047965A1 Heat exchange system for refrigerant fluid engine system |
| 01/21/1993 | WO1993001462A1 Device for using the waste heat in flue gases for the simultaneous cleaning thereof |
| 01/06/1993 | CN1067725A Installation for cooling hot, dust-charged gas in steam generator, and process for operating said installation |
| 12/30/1992 | EP0520670A1 Cooling apparatus for optical design |
| 12/16/1992 | EP0518813A1 Apparatus for cooling dust-containing hot gases and process for use thereof |
| 11/19/1992 | EP0513705A1 Heat exchanger for waste water piping |
| 09/22/1992 | US5148858 Heat exchanger connected to a waste water discharge conduit |
| 09/02/1992 | CN2114803U Air heating and cooling device |
| 09/01/1992 | US5143149 Wastewater heat recovery apparatus |
| 08/26/1992 | EP0499883A1 Heat exchanger |
| 07/15/1992 | EP0494321A1 Combustion fume heat-exchange unit and manufacturing method |
| 07/01/1992 | EP0492031A1 A heat recuperation device for sanitary installations |
| 07/01/1992 | CN2108887U Plate type (umbrella sheet type) heat exchanger |
| 06/30/1992 | CA1304266C Hot plate |
| 06/24/1992 | EP0414769B1 Heat exchanger connected to a water discharge conduit |
| 06/23/1992 | US5123481 Method and apparatus for simultaneous heat and mass transfer |
| 06/23/1992 | US5123242 Precooling heat exchange arrangement integral with mounting structure fairing of gas turbine engine |
| 06/03/1992 | EP0488096A1 Heat exchancher with tubes |
| 06/03/1992 | EP0488065A2 Tube-like heat-exchanger |
| 05/27/1992 | EP0487241A1 Heat exchange system |
| 05/27/1992 | CN2105609U Two-purpose sewage gas device for lighting and water heating |
| 05/20/1992 | CN2105033U Combined steel structure heat exchanger |
| 05/20/1992 | CA2048807A1 Self-powered heat exchange system |
| 05/19/1992 | US5113669 Self-powered heat exchange system |
| 05/07/1992 | CA2054621A1 Ground coil assembly |
| 04/16/1992 | DE4032264A1 Heat-recovery system from furnace exhaust - has heat-exchanger arranged in modular blocks one above other |
| 04/02/1992 | WO1992005111A1 Apparatus for ammonia synthesis |
| 02/12/1992 | EP0470532A1 Process for gasifying liquid natural gas |
| 02/05/1992 | EP0469825A2 Precooling heat exchange arrangement integral with mounting structure fairing of gas turbine engine |
| 01/31/1992 | CA2042216A1 Precooling heat exchange arrangement integral with mounting structure fairing of gas turbine engine |
| 11/21/1991 | DE4023029A1 Heat exchanger prodn. from thick copper plates - using solar pre-heating, used in solar accumulator |
| 10/30/1991 | EP0453786A2 Convection transfer system |
| 10/08/1991 | US5054541 Ground coil assembly |
| 09/19/1991 | DE4008617A1 Exhaust gas layout from e.g. boiler plant - has wet desulphurisation, heat exchangers, solids filters and heat carrier so that system prevents corrosion of pressurising fans |