| Patents for F28F 19 - Preventing the formation of deposits or corrosion, e.g. by using filters (4,908) |
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| 03/22/1990 | WO1990002487A1 Biocidal protective coating for heat exchanger coils |
| 03/21/1990 | EP0358921A1 Tube bundle apparatus |
| 03/14/1990 | EP0357609A1 A heat exchanger. |
| 03/01/1990 | DE3828646A1 Heating surface for coupling out heat from a fluid flow loaded with solid particles |
| 02/22/1990 | WO1990001653A1 Laminated pipe and tubing and method of making same |
| 02/21/1990 | CN1006934B Erosion resistant waterwall |
| 02/14/1990 | EP0354211A1 Pack of heat transfer plates. |
| 02/13/1990 | US4899813 Zirconium-lined stainless steel tubes |
| 02/13/1990 | CA1265784A1 Method and apparatus for recovering heat from gases containing substances which contaminate heat transfer surfaces |
| 02/06/1990 | US4898318 Copper radiator for motor cars excellent in corrosion resistance and method of manufacturing the same |
| 02/01/1990 | DE3822184C1 Condenser for vapour (steam)-containing fluid flows |
| 01/31/1990 | EP0352482A1 Steam-generating plant with heat exchanger tubes |
| 01/16/1990 | US4893471 Inlet air demoisturizing system for a cryogenic engine and method for operation thereof |
| 01/11/1990 | DE3839132C1 Surface cooler as air cooler |
| 01/09/1990 | US4892141 Fin of heat exchanger and method of making it |
| 01/09/1990 | US4892139 Means and method for preventing unwanted accumulation in heat exchangers |
| 01/02/1990 | US4891275 Diffusion bonding |
| 01/02/1990 | US4891190 Incrustation resistive crystallizer employing multifrequency vibrations |
| 12/21/1989 | DE3820494A1 Heat exchanger |
| 12/19/1989 | US4887664 Heat exchanger system having adjustable heat transfer capacity |
| 12/14/1989 | DE3818819A1 Device for transferring heat |
| 12/06/1989 | EP0344206A1 A combined filter and heat exchanger. |
| 12/05/1989 | US4885141 Container covers of water soluble glasses give sustained release of chemicals; for radiators, hot water systems |
| 11/29/1989 | EP0343531A1 Evaporator with an apparatus for controlling solid particle flow |
| 11/16/1989 | DE3914746A1 Heat exchanger, in particular for burner-operated water heaters |
| 11/15/1989 | EP0341663A1 Frost free heat exchanger |
| 11/07/1989 | US4878536 Combined filter and heat exchanger |
| 10/17/1989 | US4874037 Apparatus for cooling a hot product gas |
| 10/12/1989 | DE3810440A1 Wall structure for a heat exchanger |
| 10/05/1989 | DE3809774A1 Process for separating off soot from exhaust gases with desulphurisation and catalysis |
| 09/27/1989 | CN2045099U Antiscaling device for industral heat-exchanger |
| 09/26/1989 | CA1261692A1 Heat exchanger tube bundle protection apparatus |
| 09/21/1989 | DE3806117A1 Shell-and-tube (tube-shell) heat exchanger |
| 09/19/1989 | US4867879 Pipeline sieve with a suction removal device |
| 09/19/1989 | EP0327584A4 Orbital drive evaporator. |
| 09/05/1989 | US4862952 Frost free heat exchanger |
| 08/22/1989 | US4858682 Cylinder for heat exchangers |
| 08/16/1989 | EP0327584A1 Orbital drive evaporator. |
| 08/01/1989 | US4853514 Beam apparatus and method |
| 08/01/1989 | US4852791 Immersion of aluminum tubes into zinc bath, electrolysis, then brazing |
| 07/19/1989 | EP0324440A1 Cathodic protection apparatus in systems for the circulation of corrosive liquids |
| 07/18/1989 | US4848314 Condensing furnace |
| 07/05/1989 | EP0322705A2 Heat Pump |
| 06/29/1989 | WO1989005953A1 Electrically grounding of non-metallic parts |
| 06/27/1989 | CA1256572A1 Process and device for the determination of the thermal resistance of contaminated heat exchange elements of thermodynamic apparatuses; in particular of power station condensers |
| 06/21/1989 | EP0321452A1 Method of recovering heat energy from an exhaust gas |
| 06/20/1989 | US4840226 Corrosive resistant heat exchanger |
| 05/24/1989 | EP0316966A2 Ice making machine |
| 05/23/1989 | US4831701 Applying zinc overcoating heating to cause diffusion |
| 05/23/1989 | CA1254520A1 Method and apparatus for removing extraneous matter from a cooling water system |
| 05/16/1989 | US4830101 Aluminum heat exchanger and method for producing aluminum heat exchanger |
| 05/11/1989 | DE3811308C1 Heat exchanger device |
| 05/11/1989 | DE3736642A1 Method for separating soot from off-gases, involving desulphurisation and catalysis |
| 05/09/1989 | US4828616 Alkali silicate, aminoalcohol, water-soluble resin, anchoring agent |
| 04/25/1989 | US4824257 Kneader-mixer |
| 04/11/1989 | US4820422 Connecting into system casing filled with movable spheres |
| 04/06/1989 | DE3729757A1 Incrustation (furring)-proof heat exchanger for phase-change systems |
| 04/04/1989 | US4818635 Nitride-based ceramic material |
| 03/28/1989 | US4816121 Cyclic chemical reactor |
| 03/14/1989 | US4811783 Heat exchanger tube bundle protection apparatus |
| 02/28/1989 | US4807588 Water permeable heat exchanger for condensing furnace |
| 02/15/1989 | EP0303096A1 Surface cooler as an air cooler |
| 02/07/1989 | US4802530 Corrugated plate heat exchanger |
| 01/24/1989 | US4800007 Corrosion protection for heat exchangers |
| 01/12/1989 | DE3821767A1 Vanadium enthaltende chromatierte beschichtung Vanadium-containing chromate coating |
| 01/10/1989 | US4796441 Ice making machine |
| 01/03/1989 | US4795662 Process for coating tube plates and similar parts of condenser, coolers, heat exchangers or the like with an anti-corrosion medium |
| 12/07/1988 | EP0294310A1 Heat transfer pipe |
| 12/07/1988 | EP0293452A1 Multi-axial mixing drier or reactor |
| 12/06/1988 | CA1246051A1 Cooling and filtering unit for hydraulic drive fluid |
| 11/30/1988 | CN88102749A Method and apparatus for cooling hot product gas |
| 11/22/1988 | US4785877 Flow streamlining device for transfer line heat exchanges |
| 11/17/1988 | EP0291115A2 Method and apparatus for cooling a hot product gas |
| 11/09/1988 | EP0289647A1 Disc kneader |
| 11/08/1988 | US4783224 Method for hydrophilic treatment of aluminum using an amphoteric polymer |
| 11/01/1988 | US4781245 Device for positioning a rotatable element within a tube |
| 10/18/1988 | US4778653 Lysing flavobacterium, vitrio, and pseudomonas with bacteriophages |
| 10/11/1988 | US4776392 Heat exchanger |
| 10/11/1988 | US4776391 Heat exchanger method and apparatus |
| 10/11/1988 | US4776384 Method for monitoring copper-alloy tubes for maintaining corrosion resistance and cleanliness factor of their inner surfaces |
| 10/05/1988 | EP0285318A1 Inhibiting corrosion in aqueous heat transfer apparatus |
| 10/04/1988 | US4775004 Copper radiator for motor cars excellent in corrosion resistance and method of manufacturing |
| 09/27/1988 | US4773476 Fluid-tight inside coating of nickel |
| 09/13/1988 | CA1241882A1 Erosion resistant waterwall |
| 09/07/1988 | WO1988006709A1 Pack of heat transfer plates |
| 09/07/1988 | WO1988006706A1 A heat exchanger |
| 09/01/1988 | DE3705240A1 Process and equipment for controlling the corrosion protection and/or the mechanical cleaning of heat exchanger pipes |
| 08/25/1988 | WO1988006228A1 A combined filter and heat exchanger |
| 08/23/1988 | US4766553 Heat exchanger performance monitor |
| 08/18/1988 | DE3743252A1 Process for producing planar tubular heat exchangers and a constructed tubular heat exchanger |
| 08/16/1988 | CA1240491A1 Apparatus for the sleeving of tubes in hostile environments |
| 08/10/1988 | EP0277171A1 Plate heat exchanger with threaded connection ports. |
| 08/09/1988 | US4762592 Orbital drive evaporator |
| 08/09/1988 | US4762168 Injection of ferrous ions, sponge balls to remove deposits |
| 08/09/1988 | US4762091 Sludge trap with internal baffles for use in nuclear steam generator |
| 08/09/1988 | CA1240258A1 Incrustation resistive crystallizer |
| 08/03/1988 | EP0277070A1 Thermal generator tubular exchanger plate |
| 08/03/1988 | EP0276476A1 Method for forming coatings on aluminium surfaces |
| 07/20/1988 | EP0274738A1 Method for forming coatings on aluminium surfaces |
| 07/13/1988 | CN85103426B Metal-polytetrafluoroethylene tube-type heating apparatus and its manufaituring method |