| Patents for F24D 3 - Hot-water central heating systems (9,097) |
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| 09/17/1992 | DE4108524A1 Installation device for tubes or hoses - has long carrier with plugged-in holder for tube |
| 09/15/1992 | CA1307558C Electric radiant floor heating system |
| 09/10/1992 | DE4105812A1 Housing for double-chamber distributor - consists of two L=shaped profiles and one Z-profile, welded together |
| 09/09/1992 | EP0502002A1 Fluid-containment vessel. |
| 09/09/1992 | EP0502001A1 Partitioned hot water tank. |
| 09/03/1992 | DE4106278A1 Heizungsventil Heater Valve |
| 09/02/1992 | EP0501470A1 Heating arrangement with capillary tubes |
| 09/02/1992 | EP0501443A1 Device for suspending radiant ceiling panels |
| 09/02/1992 | EP0500978A1 Radiant ceiling panel |
| 09/02/1992 | EP0365586B1 Ventilation equipment and method |
| 08/20/1992 | DE4105063A1 Atmospheric gas boiler with vertical sections - includes water jacket is heated in only designated areas where temperature is high and water only flows through that part |
| 08/13/1992 | DE4100674A1 Combined heating and ventilating system - comprises circuits boosted by heat exchangers and pump and controlled by valves |
| 08/06/1992 | DE4103285A1 Excess pressure collecting vessel for water - is washed through to prevent foul water or bacteria accumulating, using separate inlet and outlet and membrane bearing against pressure plate |
| 07/23/1992 | WO1992012389A1 Device for producing hot water for domestic use or heating |
| 07/21/1992 | US5131458 Modular back side radiant heating panels with spring retention devices |
| 07/15/1992 | CN2110174U Circulation accelerator for water warm apparatus |
| 07/01/1992 | CN2108869U Water heater for domestic gas stove |
| 06/17/1992 | EP0490306A2 Apparatus for floor heating |
| 06/11/1992 | DE4038495A1 Heating element for steam or hot water circuit - provides supplementary electric heating of metallic block permeated by hot fluid tubes and open air passages |
| 06/10/1992 | CN2106976U Double-runner pipeline pump |
| 06/10/1992 | CN1016990B Micropressure boiler hot water and heating system |
| 06/03/1992 | EP0488977A2 A heat-exchange arrangement |
| 06/03/1992 | CN2106314U Domestic central heating device |
| 06/02/1992 | CA1302468C Heaters |
| 05/26/1992 | US5115969 Floor structure and construction method |
| 05/21/1992 | DE4036520A1 Heating elements for building into walls, ceiling or floors - consist of capillary tubes laid in grooves in plasterboard covered by sheet metal and terminated in collecting pipes |
| 05/20/1992 | EP0485706A2 Pipe system for water supply to sanitary and heating systems, entirely or predominantly made of plastic, especially polypropylene |
| 05/16/1992 | CA2054669A1 Plumbing and heating pipe system for water supply purposes, made either completely or mainly of plastic material, especially of polypropylene |
| 05/12/1992 | US5111875 Modular heat installation for premises with water as a heat transmitting medium |
| 05/06/1992 | EP0483161A1 Refrigeration and freezing plant. |
| 04/28/1992 | US5109202 Conductive resin structure for connecting metal conductors |
| 04/28/1992 | US5108136 Pipe intersector fittings |
| 04/22/1992 | CN2102466U Household hot water heater |
| 04/16/1992 | DE4139287A1 Hot water storage unit for solar system - has integrated storage and expansion tanks and heat exchanger |
| 04/16/1992 | DE4032113A1 Heating and cooling arrangement |
| 04/14/1992 | CA1298757C Manifold |
| 04/09/1992 | DE4031062A1 Heating and cooling arrangement |
| 03/25/1992 | CN2099931U Heating miniature pump |
| 03/24/1992 | US5097893 Counter flow tube-manifold radiant floor heating system |
| 03/19/1992 | DE4029355A1 Stratified warm water storage vessel - has two perforated horizontal plates with packs of salts between in water reservoir to prevent disturbance |
| 03/05/1992 | DE4027954A1 Method of setting connections for wall radiator in central heating - involves fixing protective pipes into chases cut in wall before plastering and later inserting permanent pipe work into them |
| 03/04/1992 | EP0473057A1 Heating element for floor heating |
| 03/04/1992 | CN2097973U Expansion water tank with water-stop pipe |
| 02/27/1992 | DE4026673A1 Guide curve connecting hot water pipes to heater - has nut pocket with support surface at upper end |
| 02/27/1992 | DE4026412A1 Making substrate to hold floor heating - by heating and moulding plastic film into sheet with hollow pipe holders, filling holders with granules, and bonding foam |
| 02/25/1992 | CA1296406C Method and apparatus for temperature control of heating and coolingplants |
| 02/13/1992 | DE4042208C1 Heat insulated permanent shuttering for concrete slab - is cast along with reinforced ribbed slab to form transparent plates for resulting chambers, which house absorbing surfaces |
| 01/30/1992 | DE4103996C1 Floor heating system in building - follows program of gradual heating with temp. being raised in steps |
| 01/22/1992 | CN2093996U Domestic heating pump |
| 01/15/1992 | EP0466576A1 Mixed central heating boiler |
| 01/14/1992 | US5080166 Plate-shaped heating element, in particular for floor heating |
| 01/14/1992 | US5079883 Box intended for passing pressurized fluids through masonry work |
| 01/14/1992 | CA2046233A1 Dual-purpose central heating boilers |
| 01/08/1992 | EP0464164A1 Prefabricated tile for an underfloor-air-conditioning system. |
| 01/07/1992 | US5078203 Hot water type floor heating panel |
| 01/02/1992 | EP0305416B1 Heat recuperation device, for use during the operation of a heat pump system |
| 01/02/1992 | DE4020970A1 Ceiling heating layout - consists of pipe system which rests on suspended cladding to form heat conductor |
| 01/02/1992 | DE4020709A1 Room ceiling heating system - comprises series of thin flexible water carrying tubes and collective flow and return |
| 12/25/1991 | CN2091418U Domestic water heating pump |
| 12/18/1991 | CN2090945U Water pump for indigenous central heating |
| 12/11/1991 | EP0460399A2 Centrifugal pump and gasboiler including the same |
| 12/05/1991 | DE4017689A1 Easily installed central heating system - has modular non-handed unit for pipes in plaster, joining supply and return to radiator located symmetrically beneath e.g. window |
| 11/28/1991 | WO1991006811A3 Direct surface heating/cooling installation |
| 11/27/1991 | EP0458076A1 Dispenser for a pipe manifold conveying at least one medium |
| 11/21/1991 | DE4115798A1 Heating arrangement four-way mixer - maintains minimum water temp. at container inlet to reduce corrosion |
| 11/20/1991 | WO1991018246A1 Configuration and method for controlling the volume of water in circulation from boiler circuit to heating circuit in a hot water heating system |
| 11/19/1991 | CA1292214C Heat pump heating system |
| 11/14/1991 | WO1991017375A1 Inflatable bladder for control of fluid flow |
| 11/06/1991 | EP0454754A1 Device for the temperating of premises. |
| 11/06/1991 | CN2088213U Series separated hot-pipe heating system |
| 10/31/1991 | WO1991016578A1 Heating systems |
| 10/29/1991 | US5060718 Precast wall with thermic regulation elements |
| 10/23/1991 | EP0452558A1 Planar exchange element |
| 10/23/1991 | EP0313599B1 Device for expansion transfer in liquid cycle systems, in particular of heating and cooling installations |
| 10/22/1991 | CA1291196C Open water heater |
| 10/16/1991 | EP0452295A1 Floor heating or cooling device for rooms with suspended floors and method to lay the device |
| 10/10/1991 | DE4018929C1 Hot water central heating with heat exchange system - has three-way valve between circulation pumps for specified pump connections |
| 10/10/1991 | DE4010989A1 Concrete for floor with underfloor heating - is made from sand, cement, water and steel fibres to increase thermal conductivity |
| 10/02/1991 | EP0448928A1 Floor laying element |
| 09/26/1991 | DE4009573A1 Pipe-holder to floor - is brought at bending zone from extended to staple-shaped state |
| 09/25/1991 | CN2085432U Mini-circulating pump |
| 09/24/1991 | CA1289427C Liquid-backed gas-fired heating system |
| 09/19/1991 | DE4035115A1 Drawing off hot drinking water from heating installation - involves two separate circuits with pressurised fresh cold water supply to secondary circuit |
| 09/17/1991 | CA1289023C Integral liquid-backed gas-fired space heating and hot water system |
| 09/12/1991 | DE4008026A1 Pressure buffer for water supply etc. - consists of outer container moulded in two halves joined together and inner pressurised nitrogen reservoir enclosed in diaphragm |
| 09/12/1991 | DE4007439A1 Sterilising hot water tank contents by regulated overheating - with auxiliary heat exchanger submerged in tank |
| 09/11/1991 | EP0445510A2 Heating and electric generator plant |
| 09/11/1991 | EP0445391A1 Flat heat exchange element |
| 09/11/1991 | EP0445310A1 Method and device for in-temperature regulation of a multi-boiler heating system |
| 09/11/1991 | CN2084585U 磁化离心泵 Magnetization centrifugal |
| 09/11/1991 | CN2084584U Rapid temp. raising device |
| 09/05/1991 | DE4106109A1 Drainage block in expansion vessel - overflow return pipe ends below liquid surface in vessel |
| 09/05/1991 | DE4006742A1 Stirling engine heating and electric current generating plant - includes hydrocarbon-field boiler, heat exchangers as well as alternator driven by engine |
| 08/29/1991 | DE4005915A1 Suspended ceiling with integral heating - consists of cladding with integral system of water cushions in flexible covers of foil |
| 08/29/1991 | DE4005914A1 Inner room heating or cooling element - is suspended from ceiling and comprises pipe system through which medium is pumped |
| 08/27/1991 | US5042570 Ceiling construction having magnetic attachment between heat exchanger elements and ceiling tiles |
| 08/27/1991 | US5042569 Surface element for a heatable floor with hollow spaces |
| 08/25/1991 | WO1991013294A1 Heating and cooling arrangement in particular as a structure suspended from a room ceiling |
| 08/25/1991 | CA2075478A1 Heating and cooling arrangement in particular as a structure suspended from a room ceiling |
| 08/22/1991 | WO1991012467A1 A heating and ventilation system |