Patents for F24H 9 - Details (27,146)
03/1992
03/19/1992WO1992004583A1 Gas-fired water heater
03/19/1992DE4111954C1 Water heater with enamelled metal container - having electric heating element soldered to baseplate and protective anode
03/19/1992DE4029513A1 Thermostatic space heater with coil around water tube - can be operated independently at times when main central heating installation and pump are not operative
03/18/1992EP0474726A1 Device for central control of water, heat and electricity distribution in a house
03/18/1992CN2099282U Automatic pressure control device for ambient pressure boiler
03/18/1992CN2099281U Coal-saving water heating stove
03/18/1992CN2099274U Closed steam heating type water warmer
03/12/1992DE4028081A1 Gasbeheizter wassererhitzer Gas-fired water heater
03/11/1992CN2098653U Instantaneously scald-proof safety device for water heater
03/11/1992CN2098652U Energy-saving and smoke-reducing tea-urn stove
03/11/1992CN2098651U Water heater burning massive soft coal with smoke and dust reducing functions
03/11/1992CN2098650U High-efficiency water heating stove burning soft coal without smoke
03/11/1992CN2098649U Water heater
03/10/1992CA1296960C Water heater tank flushing device
03/05/1992DE4027954A1 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
03/05/1992DE4027934A1 Central heating radiator valve - has gravity stop comprising spring-loaded flaps shutting off ring interior almost completely
03/04/1992EP0472977A1 Ceramic condensing boiler with water-cooled combustion chamber
03/04/1992EP0472895A1 Apparatus for controlling the exhaust gas temperature in a furnace
03/04/1992EP0365640B1 Low-temperature heating boiler
03/04/1992CN2097981U Whirlwind cancel smoke aspirating furnace
03/04/1992CN2097980U Flame vortex flow hot water and heating boiler
03/03/1992US5092518 Hot-air type heater
03/03/1992US5092279 Distribution baffle for hot water tank
03/01/1992WO1992003677A1 Combined control and regulating valve for liquids or gases
03/01/1992CA2089364A1 Combined control and regulating valve for liquids or gases
02/1992
02/27/1992DE4026673A1 Guide curve connecting hot water pipes to heater - has nut pocket with support surface at upper end
02/26/1992CN2097376U High-efficiency energy-saving backfire boiler with double-layer grates
02/26/1992CN2097375U Backfire arrestor for gas water-heater
02/26/1992CN2097374U Under exhaust heater
02/26/1992CN2097372U Double-tiered burning boiler for heating water and warming
02/26/1992CN2097370U Full-automatic gas water-heater
02/25/1992US5090369 Heat-absorbing/heating device with high efficiency and a supporting device therefor
02/19/1992EP0471200A1 Armature
02/19/1992CN2096719U Double-row multi-burn type atmospheric stove
02/19/1992CN2096718U Efficient energy-saving auto-control pan type hot-water apparatus
02/19/1992CN1058842A Wick-type fuel boiler
02/12/1992CN2096028U Temp. remote controller for household gas burning water heater
02/12/1992CN2096027U Smoke removing power saving mechanical grid hot wind furnace
02/12/1992CN2096026U Built-adjusting valve water storage heater
02/12/1992CN1058641A Water flowing type flameless gas water-heater
02/05/1992EP0469043A1 Hot water heaters.
02/04/1992US5085387 Water heater support system
02/04/1992US5085205 Fuel-fired water heated with combination drainage pan and combustion air flow control apparatus
01/1992
01/30/1992DE4023922A1 Throughflow heater for tea or coffee making machine - has two temp. regulating switches both closed during brewing process
01/30/1992DE4023921A1 Throughflow heater for tea or coffee making machine - has two temp. regulating switches thermically coupled so that one is open and other closed during brewing
01/30/1992DE4023920A1 Throughflow heater for tea or coffee making machine - has two temp. regulating switches in series, with high and low opening temperatures respectively
01/29/1992CN2094707U Full-automatic multi-function flow type electric water heater
01/28/1992US5083914 Adjustable pressure jet burner
01/22/1992EP0467250A1 Flat heating gas draft tube
01/22/1992CN2094007U Thermostatic water heater
01/22/1992CN2094006U Vertical atmospheric water-heating boiler with double-deck grates
01/22/1992CN2094005U Vertical hot-tube tea and bath boiler with double-deck grates
01/22/1992CN2094004U Coal-fired secondary air hot-air furnace
01/22/1992CN1058088A Water heater for shower
01/21/1992US5083011 Air heater with safety control circuit
01/21/1992US5082175 Heating device, particularly vehicle heating device
01/21/1992CA2045437A1 Storage tank for water heaters and the like with collector outlet dip tube
01/16/1992DE4022759A1 Throughflow electric water heater - has staggered activation of heating elements to ensure removal of air bubbles prior to full heating
01/15/1992EP0466576A1 Mixed central heating boiler
01/15/1992EP0466207A1 Low temperature heating boiler
01/15/1992CN2093341U Normal pressure boiler with lever amplifying mechanism
01/15/1992CN2093340U Fully automatic gas water heater with oxygen deficit protector
01/15/1992CN2093339U Vertical pipe hot water coal stove
01/15/1992CN2093338U Non-pressure hot-water boiler
01/14/1992US5081696 Electrically grounded water heater
01/14/1992CA2046233A1 Dual-purpose central heating boilers
01/08/1992CN2092719U Water boiling alarm
01/08/1992CN2092718U Full automatic electric boiler
01/08/1992CN2092717U Highly efficient energy-saving boiler
01/01/1992CN2092067U Automatic and fast gas water heater
01/01/1992CN2092066U Catalytic burner of gas water heater
01/01/1992CN2092065U Cyclone-type multi-purpose and energy-saving boiler
01/01/1992CN2092064U Energy-saving and constand-temp. heater with tipping plate
01/01/1992CN2092063U High-efficiency horizontal hot-blast stove burning coal
12/1991
12/27/1991EP0462383A1 Closure for clean chemical reactor
12/27/1991EP0462296A1 Gas heated water storage heater and/or continuous-flow heater with a closed combustion chamber
12/25/1991CN2091430U Hot wind unit
12/25/1991CN2091429U Vertical warm air furnace with dual-layer arc fire box
12/25/1991CN2091427U Three-purpose combined boiler for hot water, bath and heating
12/19/1991DE4018853A1 Rapid heating of water in low-temp. boiler - is actuated by functional key operation with circulation inhibited until temp. is close to desired value
12/18/1991CN2090949U Double-liner normal pressure hot water heating stove
12/17/1991US5073204 Hot removal process for asbestos insulation
12/13/1991CA2043087A1 Boiler
12/10/1991US5071066 Pressure and temperature responsive valve
12/05/1991DE4017689A1 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
12/05/1991DE4016381A1 Electric air or water heating device for dental instruments - has flow channels incorporated in electrically and heat conductive elements either side of heating element
12/04/1991CN2090033U Safety quick heating electric hot-water apparatus
12/04/1991CN2090032U Chimney water type gas hot-water apparatus
12/04/1991CN2090031U Efficient automatic gas hot-water apparatus
11/1991
11/28/1991DE4026894C1 Heating current monitoring unit for railway air conditioning - has parallel heating circuits, connected directly via entrance to air treatment device
11/27/1991EP0457787A1 Thermal insulation jacket.
11/27/1991CN2089598U Over-temp. protector for electric water heater
11/27/1991CN2089597U Closed coal burning device for heating and hot water bathing
11/26/1991US5067473 Heater with a humidifier
11/21/1991DE4015657A1 Heat exchanger for boiler - has depressions formed in wall to hold small volumes of water
11/20/1991CN2089147U Heater capable of preventing explosion and burning
11/19/1991US5067170 Electric water warming system
11/14/1991WO1991017640A1 Thermo-plastic heat exchanger
11/13/1991CN2088668U Vertical horizontal water tube non-pressure tea stove
11/13/1991CN2088667U High-efficiency energy-saving series common pressure water heating boiler