| Patents for F24D 3 - Hot-water central heating systems (9,097) |
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| 09/09/1993 | DE4207330A1 Heating elements for surface heating systems - are constructed from two bonded flat sheets,forming between them internal passages |
| 09/01/1993 | CN2141519Y Forced circulation and combustion device for coal warming stove |
| 09/01/1993 | CN1075794A Internal and external heating apparatus |
| 08/26/1993 | DE4305867A1 Pressureless hot water storage tank for district heating system - has essentially horizontal radial conduits whose intersection with vertical duct is rounded and have smaller cross-section than adjacent duct parts |
| 08/26/1993 | DE4205163A1 Transportable central heating unit in container - is complete with boiler and all necessary components |
| 08/26/1993 | CA2090769A1 Pressureless hot water accumulator for district heating systems, and a method and arrangement for maintaining the steam or water vapour above the hot water layer in the pressureless hot water accumulator of a district heating system at an almost constant overpressure |
| 08/25/1993 | EP0502002B1 Fluid-containment vessel |
| 08/25/1993 | EP0502001B1 Partitioned hot water tank |
| 08/18/1993 | EP0555494A1 Radiator with air duct |
| 08/11/1993 | CN2140034Y Honeycomb briquet heating unit |
| 08/10/1993 | US5233970 Semi-instantaneous water heater with helical heat exchanger |
| 08/10/1993 | CA1321249C Conductive resin structure for connecting metal conductors |
| 08/05/1993 | DE4240252A1 Sandwich channelled ceramic plate - has glazing between plates with same thermal expansion as the plate clay for bonding during firing |
| 08/05/1993 | DE4202875A1 Heating and cooling system for double bottom elements - comprises heating pipes which can be taken out and replaced by adaptor system and be charged with heating or cooling medium |
| 08/04/1993 | EP0553473A1 Support and distance arrangement |
| 07/22/1993 | DE4300560A1 Control for hot water circulating pump - has sensors for input temperature and input pressure to pump and with microprocessor control to prevent cavitation |
| 07/21/1993 | EP0551258A1 Heatable wall. |
| 07/21/1993 | CN1074528A Hot-pipe type energy-storage heating system |
| 07/14/1993 | EP0551226A1 Temperature controlling flooring sections, systems, and methods |
| 07/01/1993 | DE4143026A1 Central heating system for dwelling and commercial houses - is oil or gas fired with water as heating medium pumped around radiators for heating and for domestic use. |
| 06/30/1993 | EP0549437A1 Heating circuits or the like with hot water and their components |
| 06/30/1993 | EP0548719A1 Heating system for combined heat production for a heating installation and a storage vessel for domestic water |
| 06/30/1993 | EP0548536A1 Heater for room heating and domestic water production |
| 06/30/1993 | EP0548480A1 Cooled ceiling |
| 06/30/1993 | EP0548389A1 Hydronic heating water temperature control system |
| 06/30/1993 | CN1073758A Heating method of collective heat-supply system by directly providing high-temp. water for civil residence and pressure lessradiator |
| 06/24/1993 | WO1993012389A1 Quick operating heat exchanger device |
| 06/16/1993 | CN2136410Y Household miniature hot-water central heating arrangement |
| 05/27/1993 | WO1993010408A1 Heating and cooling system |
| 05/27/1993 | DE4138774A1 Heat pump for building heating system - uses heat exchangers for receiving and transferring heat energy to and from primary and secondary heat transfer mediums |
| 05/27/1993 | DE4138397A1 Heating system for dwelling and therapy rooms - has heating/radiating elements, with carrier, of prepressed material, for tube/hose system, and fireproof cement for tiles |
| 05/26/1993 | EP0543769A1 Sanitary water heating installation for hot water distribution and house heating |
| 05/26/1993 | EP0543285A1 Device for expansion transfer in liquid cycle systems |
| 05/19/1993 | EP0542315A1 Pipe for conveying cold or hot fluids |
| 05/19/1993 | EP0541947A1 Heat exchanger |
| 05/19/1993 | DE4203459C1 Plastics holder for floor heating pipes - has top and bottom section, with latter contg. several clamp cavities, one on top of another in insert sense |
| 05/19/1993 | DE4137753A1 Composite heating or cooling panel with several panel sections - has heat conducting steel or corrugated sheet in contact with capillary tubes in grooves in surface of gypsum panel |
| 05/12/1993 | EP0541012A1 Double walled accumulator |
| 05/06/1993 | DE4236967A1 Heating system with circulating pump - has hot-water storage tank in series with primary branch of heat-exchanger |
| 05/01/1993 | CA2081816A1 Fresh air channel radiator |
| 04/21/1993 | EP0537319A1 Plastic tube. |
| 04/14/1993 | EP0536372A1 Surface heating/air conditioning system |
| 04/08/1993 | DE4132870A1 Heater mounted on wall of room - consists of two plaster board panels with intermediate space for heating tubes |
| 04/07/1993 | CN2129392Y Household gas warmer |
| 04/06/1993 | CA1315644C Expandable manifold for water delivery system |
| 04/01/1993 | DE4131989A1 Extraction of heat from below ground - involves deep situated heat-exchangers heating cold water supplied from surface subsequently pumped back up to ground level |
| 04/01/1993 | DE4131797A1 Surface elements for air conditioning rooms - comprise heating or cooling medium flowing through pipes encased in heat conducting material between plasterboard panels |
| 03/31/1993 | CN1070467A 热水锅炉系统 Hot water boiler system |
| 03/24/1993 | CN2128705Y Household hot-water, heat supply apparatus |
| 03/17/1993 | CN1070039A Double return passage guiding and heating apparatuses for normal pressure heating and heat-supply system |
| 03/10/1993 | EP0530581A1 Thermo-controller for the installation of a floor heating |
| 03/10/1993 | EP0454754B1 Device for the temperating of premises |
| 03/10/1993 | CN2127985Y High position circulation water tank for heating system |
| 03/04/1993 | CA2116333A1 Baseboard heating with a wooden cover |
| 03/03/1993 | EP0529353A1 Gasboiler |
| 03/03/1993 | EP0528994A1 Inflatable bladder for control of fluid flow. |
| 03/03/1993 | CN2127768Y Multi-purpose efficient water-heating honeycomb briquet stove |
| 02/25/1993 | DE4127822A1 Gas boiler for central heating and water heating |
| 02/23/1993 | US5188288 Greenhouse heating system |
| 02/09/1993 | CA1313558C Method of setting the output of a pump |
| 02/02/1993 | US5183102 Heating and cooling system |
| 01/27/1993 | EP0524320A1 Wall panel |
| 01/14/1993 | DE4121953A1 Combined low temp. heating system and domestic hot water supply - includes a container with heat exchanger and a fuel fired boiler with a pump and heat exchanger with control valve |
| 01/07/1993 | WO1993000559A1 Hot water boiler system |
| 01/05/1993 | US5176178 Accumulator with randomly uniplanar bladder collapse |
| 12/30/1992 | EP0380483B1 Heating or cooling arrangement |
| 12/23/1992 | WO1992022196A1 Greenhouse heating system |
| 12/09/1992 | EP0516674A1 Cooling arrangement in particular as a structure suspended from a ceiling. |
| 12/09/1992 | CN2124331U Domestic energy-saving heating circulating pump |
| 12/03/1992 | DE4117855A1 Heating pipe clip made in one piece from plastics - has two legs with barbed anchor ends bridged together by flexible hinge and two=piece base strip |
| 11/26/1992 | DE4201553A1 Flat heating or cooling radiator |
| 11/26/1992 | DE4201552A1 Flat heating or cooling radiator |
| 11/26/1992 | DE4117516A1 Gas-heated domestic hot water system - includes container with latent heat absorption medium which reheats inadequately heated water |
| 11/26/1992 | DE4116620A1 Pipe clip for securing under-floor heating pipes - has barbed ends for anchoring under concealing layer and internal spring tongues press pipes down |
| 11/25/1992 | EP0514684A1 Mounting plate for hose conduits. |
| 11/25/1992 | CN2123029U Demountable entry valve of water-heating system |
| 11/24/1992 | US5165596 Dual-purpose central heating boilers |
| 11/19/1992 | DE4114633A1 Direct surface heating air conditioning system |
| 11/12/1992 | WO1992019919A1 Surface heating/air conditioning system |
| 11/12/1992 | WO1992019900A1 Plastic tube |
| 11/11/1992 | CN2121640U High-low pressure expansion tank automatic stead pressure feed water device |
| 11/11/1992 | CN1019047B Heat exchange station |
| 11/05/1992 | DE4114021A1 Wall-heating cladding in plate-sections - has pipe joints relieved by links of section weights |
| 11/04/1992 | EP0511645A1 Wall or ceiling covering with a heating or cooling installation |
| 10/29/1992 | DE4125445C1 Plastics assembly plate securing heating or cooling pipes - has base plate with stabilising, intersecting ribs on its underside formed by injection moulding |
| 10/28/1992 | EP0220268B1 An arrangement for controlling and regulating the supply of energy to a heat exchanger |
| 10/28/1992 | CN2120292U Bidirectional channel unitary heating apparatus |
| 10/22/1992 | DE4220742A1 Integrated surface heating system for buildings - uses material combination of grid-shaped pre-coated aluminium@ mat embedded in clay layers and in contact with heat sources |
| 10/21/1992 | EP0509611A1 Combined central-heating and water-heating boiler comprising a heat exchanger with built-in pumps |
| 10/21/1992 | CN1065517A Multi-purpose stove with movable fire box |
| 10/14/1992 | EP0508958A1 Central distribution unit for a central heating installation with more than one heating circuit |
| 10/14/1992 | EP0508245A1 Combined heating and cooling system |
| 10/14/1992 | CN2118936U Guided double loop atmospheric heating equipment |
| 10/14/1992 | CN2118935U Low level expansion water tank |
| 10/08/1992 | DE4211058A1 Heating and hot water system - has primary circuit and separate heating circuit connected on opposite sides of heating jacket |
| 10/07/1992 | EP0507104A1 Apparatus for supplying under-floor heating |
| 10/07/1992 | CN2118187U Miniature circulating pump |
| 09/26/1992 | CA2063841A1 Modular back side radiant heating panels |
| 09/23/1992 | EP0396627B1 Arrangement for remote transfer of heat to a hot-water system |
| 09/17/1992 | WO1992015825A1 Radiator valve |