| Patents for F28F 1 - Tubular elements; Assemblies of tubular elements (16,334) |
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| 03/28/1989 | US4815522 For changing the temperature of air |
| 03/15/1989 | EP0307030A1 Heating pipe |
| 03/15/1989 | EP0306899A1 Method of making heat exchanger and hollow shape for such |
| 03/15/1989 | CN2034259U Protective screened pipe for orifice of heat-exchang apparatus |
| 03/14/1989 | CA1251020A1 Radiating sleeve for catalytic reaction apparatus |
| 03/08/1989 | EP0305702A1 Heat exchanger with a finned tube arrangement |
| 03/08/1989 | EP0305665A1 Heat exchanger with lamella fins |
| 03/08/1989 | EP0305632A1 Improved method of making a heat transfer tube |
| 03/08/1989 | CN1003537B 热交换装置 Heat exchange device |
| 03/07/1989 | US4809415 Method of manufacturing a heat exchange pipe |
| 02/22/1989 | CN2033111U Square tube radiator |
| 02/15/1989 | EP0303096A1 Surface cooler as an air cooler |
| 02/15/1989 | CN2032698U Multiply plate radiator |
| 02/09/1989 | WO1989001122A1 Heat-transfer wall composed of two plate-like parts |
| 02/09/1989 | DE3724790A1 Heat exchange module for opposite flowing media with parallel pipes cast in heat-conducting material |
| 02/08/1989 | EP0302809A2 Method of manufacture an enhanced heat transfer surface and apparatus for carrying out the method |
| 02/08/1989 | EP0302353A1 Heat exchanger tube |
| 02/08/1989 | EP0302232A1 Flat tube for a heat exchanger |
| 02/08/1989 | CN2032307U Heat-pipe effect radiator |
| 02/01/1989 | EP0301121A1 Finned tube |
| 01/24/1989 | US4799540 Heat exchanger |
| 01/17/1989 | US4798241 Mixed helix turbulator for heat exchangers |
| 01/11/1989 | EP0298369A1 Heat-exchange element in the form of a corrugated hose |
| 01/10/1989 | US4797173 Apparatus for face welding bundles of thermoplastic moldings under pressure |
| 01/10/1989 | US4796694 Cooling fin for heat exchanger |
| 01/10/1989 | US4796693 Finned tube with indented groove base and method of forming same |
| 01/03/1989 | US4794985 Finned heat exchanger tubing with varying wall thickness |
| 01/03/1989 | US4794983 Heat exchanger tube for evaporation or condensation |
| 01/03/1989 | US4794775 Method of producing a heat transfer tube for single-phase flow |
| 12/28/1988 | CA1247592A Finned heat exchanger tubes and method and apparatus for making same |
| 12/20/1988 | US4791984 Heat transfer fin |
| 12/20/1988 | CA1247078A1 Heat transfer tube having internal ridges, and method of making same |
| 12/20/1988 | CA1246881A1 Apparatus particularly for an ice rink |
| 12/20/1988 | CA1246836A1 Method of attaching a tube to a fin |
| 12/15/1988 | DE3717010A1 Safety heat exchanger |
| 12/14/1988 | CN88202390U Radiator |
| 12/07/1988 | EP0293450A1 Internal combustion engine radiator |
| 12/07/1988 | EP0293389A1 Method and apparatus for applying metal cladding on surfaces and products formed thereby |
| 12/06/1988 | US4789027 Ribbed heat exchanger |
| 12/06/1988 | CA1246051A1 Cooling and filtering unit for hydraulic drive fluid |
| 12/01/1988 | WO1988009469A1 Heat-exchanger reactor |
| 11/29/1988 | US4787443 Ceramic heat exchanger element |
| 11/29/1988 | US4787442 Delta wing and ramp wing enhanced plate fin |
| 11/29/1988 | CA1245628A1 Heat exchange comprising a finned pipe |
| 11/23/1988 | EP0292127A2 Finned heat exchanger element and method of making the same |
| 11/23/1988 | EP0221049B1 A heat exchanger |
| 11/22/1988 | US4785879 Parallel wrapped tube heat exchanger |
| 11/22/1988 | CA1245115A1 Eddy current workpiece positioning apparatus |
| 11/09/1988 | CN88200519U 热交换器 Heat exchanger |
| 11/09/1988 | CN87205519U Light radiator |
| 11/08/1988 | US4782892 Heat exchanger |
| 11/01/1988 | US4781320 Brazing aluminum tube and fins |
| 10/26/1988 | EP0288258A2 Process for making metal surfaces hydrophilic and novel products thus produced |
| 10/25/1988 | US4779673 Multilayer reinforced composite embedded in slab |
| 10/25/1988 | CA1243667A1 Heat exchanger |
| 10/25/1988 | CA1243476A1 Method of making a segmented externally finned heat exchanger tube |
| 10/18/1988 | US4778004 Heat exchanger assembly with integral fin unit |
| 10/18/1988 | US4778002 Fluid cooler |
| 10/12/1988 | CN85104424B Air-cooled surface condenser |
| 10/05/1988 | CN87217208U Rib tunnel mechanical working surface multiple hole pipe |
| 10/04/1988 | US4775007 Heat exchanger for an air-conditioning apparatus |
| 10/04/1988 | US4775006 Heat exchanger, particularly a coolant evaporator |
| 09/28/1988 | EP0283718A1 Counter-current heat exchanger |
| 09/27/1988 | CA1242433A1 Uni-directional fin-and-tube heat exchanger |
| 09/20/1988 | US4771825 Heat exchanger having replaceable extended heat exchange surfaces |
| 09/07/1988 | WO1988006678A1 A heat exchanger arrangement for cooling a machine |
| 09/06/1988 | CA1317586B Radiator core |
| 09/06/1988 | CA1241636A1 Radiator core |
| 08/31/1988 | EP0280612A1 Tubular heat exchangers with internal turbulator |
| 08/30/1988 | US4766953 Shaped tube with elliptical cross-section for tubular heat exchangers and a method for their manufacture |
| 08/30/1988 | US4766741 Cryogenic recondenser with remote cold box |
| 08/30/1988 | CA1241321A1 Heat transfer wall |
| 08/25/1988 | WO1988006260A1 Convector/radiator construction |
| 08/23/1988 | US4765058 Apparatus for manufacturing enhanced heat transfer surface |
| 08/17/1988 | CN87107184A Heat transfering tube for vaporization and condensation |
| 08/16/1988 | US4763727 Panel heat exchanger |
| 08/16/1988 | US4763726 Heat exchanger core and heat exchanger employing the same |
| 08/16/1988 | US4763725 Parallel wrapped tube heat exchanger |
| 08/16/1988 | US4763722 Modular element heat exchanger, particularly for extrusion cylinders, injection molding machines, drawing machines and the like plastics processing machines |
| 08/09/1988 | US4762173 High effectiveness contour matching contact heat exchanger |
| 08/09/1988 | US4761982 Method and apparatus for forming a heat exchanger turbulator and tube |
| 08/04/1988 | DE3701614A1 Tube heat exchanger |
| 08/03/1988 | EP0276476A1 Method for forming coatings on aluminium surfaces |
| 08/02/1988 | CA1239927A1 High heat transfer means for flat tube and fin heat exchangers |
| 07/28/1988 | WO1988005519A2 Cryogenic recondenser with remote cold box |
| 07/28/1988 | DE3741798A1 Steel heating-boiler |
| 07/27/1988 | EP0275813A1 Heat transfer enhancing device |
| 07/27/1988 | CN87100095A Effervescent reinforced heat-transfer surface |
| 07/12/1988 | US4756362 Heat exchanger |
| 07/12/1988 | US4756361 Radiator core |
| 07/06/1988 | CN86104136A Titanium-aluminum compound fin tube and processings |
| 07/05/1988 | US4755331 Evaporative heat exchanger with elliptical tube coil assembly |
| 06/29/1988 | EP0272766A1 Elliptical tube coil assembly for evaporative heat exchanger |
| 06/29/1988 | CN85104710B Heat transfer tube used for uniphase flow |
| 06/28/1988 | US4753849 Porous coating for enhanced tubes |
| 06/28/1988 | US4753833 Hollow article with zigzag projections |
| 06/22/1988 | EP0174319B1 Heat exchanger for mass transfer device |
| 06/16/1988 | WO1988004398A1 Internal combustion engine radiator |
| 06/15/1988 | EP0271434A2 Steel boiler |
| 06/15/1988 | EP0271319A2 Method of making a heat exchanger assembly with integral fin units |