Patents for F24H 9 - Details (27,146) |
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11/07/1991 | DE4111621A1 Floor bracket for electric storage heater - consists of support plate and baseplate with connecting plate |
11/06/1991 | CN2088218U High-efficient energy-saving furnace |
10/31/1991 | WO1991016576A1 A method of regulating a gas-fired heat-generating appliance, and the relative appliance |
10/30/1991 | CN2087760U Energy-saving hot-air furnace |
10/30/1991 | CN2087759U 热水器壳体 Heater housing |
10/30/1991 | CN2087756U Pumpless forced-circulation water heating boiler |
10/29/1991 | US5060630 Valve seat for automatic control system for water heaters |
10/29/1991 | US5060601 Water-tube boiler and a heating installation equipped with such a boiler |
10/24/1991 | DE4012655A1 Resistor holder for anticorrosive electric water heater - has resistor body inserted body inserted in sleeve of electrically insulating material, insertable in compression plate |
10/23/1991 | CN2087315U Water heater for shower bath |
10/23/1991 | CN2087314U Natural circuit accelerating device |
10/23/1991 | CN2087313U Energy-saving smokeless stove for curing tea-leaves |
10/22/1991 | US5058443 Process for testing operational components in heaters and testing device for this purpose |
10/16/1991 | EP0452050A1 Electrical storage heater |
10/16/1991 | EP0451234A1 Boiler heated by liquid or gaseous fuel. |
10/16/1991 | CN2086880U Returning water controller of atmospheric boiler |
10/16/1991 | CN2086879U Water heater with automatic fume reducing unit |
10/16/1991 | CN1055420A Automatically start-stop pressure-control device of pressureless hot-water boiler |
10/16/1991 | CN1055419A Pressureless non-expansion water tank hot-water boiler network system |
10/16/1991 | CN1055418A Pumpless forced circulation boiler for hot-water heating |
10/08/1991 | US5054437 Storage tank for water heaters and the like with collector outlet dip tube |
10/02/1991 | EP0448838A1 Peripheral and thermally stressed closing and/or connecting element for a boiler |
10/02/1991 | CN1055051A Temp. regulating device at far and near distance for water heater |
10/01/1991 | US5053978 Automatic boiler room equipment monitoring system |
10/01/1991 | CA1289826C Water heater tank construction |
09/26/1991 | DE4009486A1 Heating boiler for oil or gas fuel - has firebox partially surrounded by water jacket and turbulence generator fitted to flue |
09/26/1991 | DE4009098A1 Pipe holding connection - has connecting duct in middle section and space for pipes extend through |
09/26/1991 | DE4005450A1 Relay control for low-temp. space heating boiler - closes mixer of hot and cold water when boiler temp. falls short of lower min. value |
09/25/1991 | CN2085511U External fire-box |
09/25/1991 | CN2085510U Water heating boiler |
09/25/1991 | CN2085509U Forced flue gas exhauster for water heater |
09/18/1991 | EP0446671A1 Boiler |
09/18/1991 | CN2085048U Multifunctional horizontal coal hot-blast stove |
09/18/1991 | CN2085047U Efficient energy-saving boiler without grate |
09/17/1991 | US5049240 Vaccum distillation system |
09/12/1991 | DE4019397A1 Central heating safety valve with outlet elbow fitting - which is attached to valve by spring ring |
09/12/1991 | DE4007520A1 Calibration of control device for a boiler - by first establishing percentage change of heat output over 1 second |
09/11/1991 | EP0445833A1 Housing and holding device for a heat pump |
09/04/1991 | CN2084181U Smoke-tube type high efficient water heating stove |
09/04/1991 | CN2084179U Vertical boiler |
09/04/1991 | CN2084176U Heater for oil heat carrier |
09/03/1991 | US5044705 Insulation structure for appliances |
08/29/1991 | DE4005825A1 Valve armature for radiator in single pipe installation - has gravity-operated anti-siphon valve consisting of captive ball in grille seating |
08/29/1991 | DE4005745A1 Valve armature for radiator - has flow and return connections together with valve connections and connections to radiator |
08/28/1991 | EP0443995A1 Method to manufacture sealing nipples or plugs |
08/28/1991 | CN2083728U Gas stove |
08/28/1991 | CN2083727U Quick setting mould coal heating stove |
08/28/1991 | CN2083726U 沼气热水器 Gas water heater |
08/27/1991 | CA1288038C Gas burning furnace |
08/22/1991 | WO1991012468A1 Boiler |
08/22/1991 | DE4100008A1 Electrical heating apparatus for corrosion fluid |
08/22/1991 | CA2036601A1 Method to manufacture sealing nipples or plugs |
08/21/1991 | EP0442085A1 Electric continuous-flow heater with circuit breaker |
08/14/1991 | EP0441761A2 A radiator coupling |
08/14/1991 | DE4000850A1 Sectional boiler for heating water - has vertical sections with water channels to form combustion chamber and gas flue |
08/14/1991 | CN2082837U Hot-water heating stove |
08/14/1991 | CN2082836U Shower shower water heated by waste heat of domestic coal stove |
08/14/1991 | CN2082835U Magnetic device for water heater |
08/14/1991 | CN2082834U Chemical applying device for deoxidisation of hot water boiler |
08/13/1991 | US5038752 Boiling water dispenser having improved water temperature control system |
08/10/1991 | CA2027480A1 Fan control arrangement for a two stage furnace |
08/07/1991 | CN2082378U Gas combustion auto ignation quick water heater |
08/07/1991 | CN2082376U Protective devices for electric water heaters |
08/01/1991 | DE4011111C1 Panel radiator connection - has feed and return connections joined to connection piece linking two radiator panels and screwed in place |
08/01/1991 | DE4002292A1 Regulating heating of storage heater - starting before lower night level stops at time necessary to attain desired room temp. and hot tap water |
07/31/1991 | CN2081937U Synchronous start-stop apparatus for outgoing water and returning water |
07/24/1991 | CN2081510U Coal hot-blast stove |
07/17/1991 | CN2081062U 热水锅炉 Hot water boiler |
07/17/1991 | CN2081061U Pressurization type gas heater for water |
07/16/1991 | WO1991010852A1 Apparatus for measurement and control, respectively, of temperature and/or pressure |
07/16/1991 | US5033107 Electric sauna heater |
07/11/1991 | WO1991009749A1 Heat-exchangr for a storage heater |
07/10/1991 | EP0436439A1 Back draught security gas valve for pilotless hot water heater |
07/09/1991 | US5029605 Fluid vessel overflow system |
07/03/1991 | CN2080150U Program control gas burning water heater |
07/03/1991 | CN2080149U Heat pipe type ordinary hot water boiler |
07/03/1991 | CN2080148U Hot gas burning heat-guide oil stove |
07/02/1991 | US5027789 Fan control arrangement for a two stage furnace |
07/02/1991 | CA1285585C Device for connecting, on the outside of a structure, an air-and watertight apparatus using gas |
06/27/1991 | DE3942732A1 Waermetauscher fuer eine standheizung Heat exchanger for a pre-heater |
06/27/1991 | DE3942527A1 Central heating boiler water side connection - has horizontal flow shaft as branch duct to return flow union duct |
06/26/1991 | CN2079723U Temp adjusting device for water heater |
06/26/1991 | CN2079722U Fast water heater by use of gasificating fuel oil |
06/19/1991 | CN2079271U Side-setting double burning water tube ordinary pressure water heating boiler |
06/18/1991 | US5024595 Furnace protective device |
06/12/1991 | EP0432020A1 Air-tight heater with forced draft using an anti-condensation thermocontact |
06/11/1991 | US5022624 Adjustable support for hot water tanks, or the like |
06/11/1991 | CA1284811C Heater mechanism with thermoelectric power generator |
06/06/1991 | CA2007448A1 Anti-syphon tank insulator & handy fittings applicator |
06/04/1991 | US5020760 Hot water tank bracket assembly |
05/30/1991 | WO1991007624A1 Heater for liquid |
05/29/1991 | EP0429371A1 Shell for a boiler for heating with heat-conveying fluid |
05/29/1991 | CN2077971U Pressureless hot-water heating boiler |
05/29/1991 | CN2077969U Electric water heater |
05/29/1991 | CN2077950U Pressure protector for steam boiler |
05/28/1991 | US5020127 Tankless electric water heater |
05/23/1991 | DE4036316A1 Reducing nitrogen oxide emission from premix gas burners - by specific ratios of component sizes and spacings |
05/22/1991 | EP0428341A1 Boiling water units |
05/22/1991 | CN2077527U Multipurpose energy-saving water-heating stove |
05/16/1991 | DE4034917A1 Circulating water heater with copper heat exchanger - is connected by special pipe layout with pump and three way valves to floor-heating system |