| Patents for F28F 19 - Preventing the formation of deposits or corrosion, e.g. by using filters (4,908) |
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| 08/11/1981 | US4282925 Scraped surface heat exchanger |
| 07/21/1981 | US4279295 Scraped-surface heat exchanger |
| 07/21/1981 | US4279270 Flexible antifreeze heatconductor liquid transfer connector hose |
| 06/30/1981 | US4275784 Fail safe heat exchanger |
| 06/16/1981 | US4273744 Device for automatic addition of a corrosion inhibitor to a coolant system |
| 06/11/1981 | WO1981001608A1 Heat exchanger core with end covers |
| 06/09/1981 | US4271682 Cooling apparatus for viscous liquids |
| 05/12/1981 | US4266601 Heat exchanger for contaminated water |
| 04/28/1981 | US4263966 Heat-exchanger |
| 04/28/1981 | CA1100128A1 Scraped surface apparatus |
| 04/14/1981 | US4261418 Outdoor coil unit for heat pump |
| 04/02/1981 | WO1981000905A1 Fluidic presser of scraping member for processing apparatus with scraped surface |
| 03/10/1981 | US4254819 Protecting entry portions of tubes of emergency cooling system |
| 02/24/1981 | US4252549 Crystallization via porous tube heat transfer |
| 02/03/1981 | US4248295 Freezable heat pipe |
| 01/27/1981 | US4246963 Heat exchanger |
| 01/27/1981 | US4246960 Fail safe heat exchanger |
| 01/20/1981 | US4245696 Apparatus for cooling hot gas |
| 01/14/1981 | EP0022349A1 Protective metal oxide films on metal or alloy substrate surfaces susceptible to coking, corrosion or catalytic activity |
| 01/13/1981 | US4244790 Composition and method for electrodeposition of black nickel |
| 01/13/1981 | US4244756 Corrosion resistant |
| 01/06/1981 | US4242877 Heat-exchanger element for a freeze drier |
| 12/23/1980 | CA1091997A1 Alloy-coated ferous metal substrate |
| 11/11/1980 | US4232733 Thermal exchanger |
| 11/04/1980 | US4231422 Protective coating of an aluminum and silicon alloy |
| 10/07/1980 | US4226279 Method of suppressing formation of heat exchange fluid particles into standing waves |
| 09/17/1980 | EP0015712A1 Method of producing multiple-wall composite pipes |
| 09/17/1980 | EP0015510A1 Device to reduce local heat flux through a heat exchanger tube |
| 08/20/1980 | EP0014681A1 Method and apparatus for fabrication of a laminae heat exchanger |
| 08/12/1980 | CA1083562A1 Replaceable inlet means for heat exchanger |
| 07/22/1980 | US4214147 Electric heating system for controlling temperature of pipes to prevent freezing and condensation |
| 07/15/1980 | CA1081687A1 Dual scraped surface heat exchanger |
| 07/15/1980 | CA1081604A1 Cooling tower scaling control |
| 07/15/1980 | CA1081570A1 Fuel burner |
| 06/24/1980 | US4209059 Crevice-corrosion resistant aluminum radiator triclad composite |
| 06/17/1980 | US4207942 Plate heat exchangers |
| 05/20/1980 | US4203490 Heat exchanger core having fin members serving as sacrificial anodes |
| 05/14/1980 | EP0010911A1 Cooling apparatus for viscous liquids |
| 05/13/1980 | US4202751 Prevention of corrosion of copper alloy parts and hydrogen absorptition in titanium parts |
| 04/29/1980 | US4200518 Polyalkylene-amines, crude oils |
| 04/15/1980 | CA1075593A1 Atmospheric cooling plant for cooling a potentially corrosive liquid containing substances capable of precipitation |
| 04/08/1980 | CA1075227A1 Swept surface heat exchanger |
| 03/25/1980 | US4194966 Apparatus and method for improved fluid distribution in a tube of a direct fired heater |
| 03/25/1980 | US4194559 Freeze accommodating heat pipe |
| 03/19/1980 | EP0008706A1 Lead-alloy coated heat exchanger for a fuel-heated heat source, and process for coating such an exchanger with lead |
| 03/18/1980 | US4193180 Method of forming a heat exchanger |
| 03/04/1980 | US4191246 Device to reduce local heat flux through a heat exchanger tube |
| 01/29/1980 | US4185352 Scraped-surface apparatus |
| 01/08/1980 | US4182399 Process for removing heavy metal ions from aqueous fluids |
| 12/04/1979 | CA1067354A1 Boiler tube coating and method for applying the same |
| 12/04/1979 | CA1067257A1 Aluminium brazed composite |
| 10/30/1979 | US4172923 Cladding material of aluminum alloy containing zinc and calcium sodium or potassium |
| 10/30/1979 | CA1065395A1 Fuel cell cooling system |
| 09/25/1979 | US4168743 Heat exchanging wall and method for the production thereof |
| 09/04/1979 | US4166434 Vertical tube fired heater and process |
| 07/10/1979 | CA1058154A1 Corrosion resistant tubular air preheater |
| 05/08/1979 | US4153195 Process for the attenuation of electro-corrosion in cooler assemblies soldered by thermal bath immersion |
| 04/24/1979 | US4151217 Method of cooling cracked gases of low boiling hydrocarbons |
| 04/10/1979 | US4148858 Nitrogen pxide compound |
| 03/06/1979 | US4142579 Air radiator cooling tower |
| 03/06/1979 | US4142578 Heat exchanger impingement protection |
| 02/20/1979 | US4140172 Group 8 metal, titanium, zirconium, hafnium, tantalum, niobium, vanadium and alloys |
| 12/12/1978 | US4129625 Selectively controllable water curtain damper for inlet face of circular water cooling tower |
| 11/28/1978 | US4127164 Heat exchange apparatus |
| 11/21/1978 | US4126177 Dual scraped surface heat exchanger |
| 11/14/1978 | US4125385 Cyclone separator for high temperature operations with corrosive gases |
| 11/14/1978 | US4125147 Method for continuously maintaining a radiator free of debris |
| 11/07/1978 | US4124068 Heat exchange tube for fluidized bed reactor |
| 10/17/1978 | US4120922 Method for molding |
| 10/17/1978 | US4120760 Forming protective, corrosion resistant coating of zinc; deoxidizing sea water with sulfur dioxide, cathodizing |
| 10/10/1978 | US4119485 Heat exchangers and evaporators |
| 10/10/1978 | US4119139 Heat-exchanger comprising a system of granulate containing vertical tubes, and a method for operating the same |
| 09/12/1978 | US4113890 Method of cooking a flowable food product in a continuous flow scraped surface heat exchanger |
| 09/05/1978 | CA1037790A1 Method of inhibiting deposition of internal corrosion products in tubes |
| 08/08/1978 | US4105066 Heat exchanger |
| 08/01/1978 | US4103738 Replaceable inlet means for heat exchanger |
| 05/02/1978 | US4087371 Method of preventing incrustation on heated surfaces, and composition for the practice of the method |
| 04/25/1978 | US4086104 Method of preventing oxidation of austenitic stainless steel material in high temperature steam |
| 04/04/1978 | US4082140 Heat exchange method |
| 03/21/1978 | US4079702 Economizer utilizing exhaust gas |
| 03/14/1978 | US4078604 Cooling channel surface arrangement for a heat exchanger wall construction |
| 02/21/1978 | US4075392 Tungsten, molybdenum or chromium, carbon, silicon, boron |
| 02/21/1978 | US4075376 Boiler tube coating and method for applying the same |
| 02/14/1978 | US4073677 Evaporator |
| 02/14/1978 | US4073339 Swept surface heat exchanger |
| 01/17/1978 | US4068627 Steam generator with vertical tubesheets |
| 11/08/1977 | US4057105 Self-cleaning screen assembly for radiators and method |
| 11/01/1977 | US4056142 Heat exchange arrangement |
| 10/18/1977 | US4054174 Method of inhibiting deposition of internal corrosion products in tubes |
| 09/20/1977 | US4049184 Method of manufacturing polymetallic pipes |
| 09/13/1977 | US4048265 Deicing apparatus for water cooling towers including slotted distribution basin and selectively actuatable valve mechanism |
| 08/02/1977 | US4039298 Corrosion resistance |
| 07/19/1977 | US4036293 Heat exchanger for gases of greatly varying temperatures |
| 07/12/1977 | US4034803 Corrosion resistant tubular air preheater |
| 07/05/1977 | US4033297 Protection of superheater tubes against corrosion |
| 06/14/1977 | US4028789 Method of installing a sleeve in one end of a tube |
| 06/14/1977 | US4028785 Tubular products |
| 04/19/1977 | US4018262 Heat exchange with gas/solids mixtures |
| 11/30/1976 | US3994337 Cooling system |
| 09/28/1976 | US3982585 Heat exchange apparatus |