Patents for F24H 9 - Details (27,146)
06/1993
06/16/1993CN2136431Y Electric water heater with electric leakage protection
06/16/1993CN2136430Y Vertical infrared gas stove
06/16/1993CN2136419Y Hot-washing device capable of heating tap water
06/15/1993US5220638 Water heater with an improved thermostat mounting and a method of making such water heaters
06/10/1993WO1993011478A1 Thermal and flow regulator with integrated flow optimizer
06/09/1993CN2135751Y Electric heating water boiling device
06/09/1993CN2135750Y 蒸汽加热定压装置 Steam heating constant pressure device
06/08/1993US5216981 Coal-fired heating apparatus and method
06/03/1993DE4138899A1 Casting mould for connectors for radiators - has outer and inner flow chambers and precision mounting of cast connecting sleeves for left or right use
06/02/1993EP0544028A1 Coupling element for radiator for a hot water central heating installation
06/02/1993CN2135129Y Long-distance temp-controller for water heater
06/02/1993CN2135128Y Self-eliminating smoke and dust atmospheric hot-water boiler
06/02/1993CN2135127Y Safety high-speed horizontal far-infrared gas water heater
06/01/1993US5216743 Thermo-plastic heat exchanger
05/1993
05/26/1993CN2134622Y Anti-leakage electric boiler
05/26/1993CN2134621Y Automatic electric boiler with adjustable water
05/19/1993EP0542653A1 Process and installation for heating a room or the like, using at least one storage heater
05/19/1993CN2133804Y Water-pressure automatic changing switch
05/19/1993CN2133803Y Down feeding water-boiling stove
05/19/1993CN2133800Y Energy-saving water-heating unit
05/19/1993CN1072257A Full-automatic gas-fired water heater
05/18/1993US5212763 Electric fluid heater with infrared hot spot sensor
05/05/1993CN2132129Y Safety telecontrol device for fully water heater
05/05/1993CN2132128Y Electromagnetic heating device for boiler
05/05/1993CN2132127Y Household pipe speed heating magnetic shower device
04/1993
04/29/1993DE4135218A1 Leakproof plastic tank for water heater - has threaded base neck with simple O=ring and outer screwed ring of e.g. polyphenylene oxide which ensures watertight fit even when heated
04/28/1993CN2131072Y Electrode type electric heater for water heater
04/28/1993CN2131071Y Pressure boosting type fuel oil water-heater
04/28/1993CN2131070Y Down-combustion type energy-saving hot-air stove
04/28/1993CN2131063Y Electric apparatus for heating water
04/24/1993CA2081158A1 Electric heating device with heating element in enameled sheet including a temperature-compensated resistive lining
04/22/1993DE4134374A1 Preventing dew point corrosion on convection heating surfaces in heating boiler - involves choking heating circuit during start=up to ensure single transition through dew point temperature
04/22/1993DE4133301A1 Electric storage heating device - has sliding valve controlling air vent channel through heat storage core
04/14/1993EP0536654A1 Accumulateur with a double shell
04/14/1993CN2129906Y Partition wall control for gas combustion water heater
04/14/1993CN2129905Y Anti-explosive fresh air heating machine group
04/13/1993US5201807 Gas-fired water heater
04/13/1993US5201651 Construction heater and method of manufacture of heater
04/13/1993US5201307 Insulated firebox for swimming pool or spa heaters for reduction of smoke or odor
04/06/1993US5199676 Adjustable water heater stand
03/1993
03/31/1993EP0457787A4 Thermal insulation jacket
03/31/1993CN1070467A 热水锅炉系统 Hot water boiler system
03/30/1993US5197513 Stratified chamber system for receiving, storing and dispensing two different density liquids
03/24/1993EP0533514A1 Regulating mechanism for heating fluid
03/24/1993EP0533455A1 Heat radiators
03/24/1993EP0533454A1 Heat radiators
03/24/1993EP0533271A1 Boiler heat exchanger unit
03/24/1993EP0532782A1 Safety device for a combustion apparatus
03/24/1993EP0469043A4 Hot water heaters
03/24/1993CN2128714Y Boiling water drinking machine
03/23/1993CA1314778C Hot gas flue pipe
03/18/1993WO1993005347A1 Heat exchanger for a water heater
03/18/1993DE4130124A1 Cover plate with storage heater - has flexible or rigid synthetic profiled part, in slot between turned-down borders
03/17/1993CN2128364Y Safety transducer for water heater
03/17/1993CN2128361Y Continuous water supply boil type electric water boiling device
03/17/1993CN2128101Y Water boiling caller
03/11/1993DE4230211A1 Valve assembly, esp. for water heater
03/11/1993DE4230208A1 Controlling output temp. of electrically heated through-flow water heater - deriving required heating power from through-flow channel input and output temperatures, instantaneous heating power, throughput, and defined output temp.
03/10/1993EP0530933A1 Heat insulated electric storage heater
03/10/1993EP0530727A1 Storage heater
03/10/1993CN2127988Y Water heater and energy-saving flow increaser
03/10/1993CN2127987Y Domestic hot water stove for heating
03/04/1993WO1993004421A1 Temperature control in an ohmic process
03/04/1993DE4125947A1 Timer for economical heating - involves additional appts. contg. timer installed before heating elements
03/02/1993US5191634 Screw plug immersion heater comprising separate header and threaded sleeve sections
03/02/1993US5190260 Water heater tank support
03/02/1993US5190089 To protect it from water damage
03/02/1993US5189989 Boiler
02/1993
02/24/1993EP0528455A1 Burner unit
02/24/1993CN2127482Y Fuel bruning water heater
02/23/1993US5188143 Water leakage detection device
02/18/1993DE4226875A1 Water heater with burner-activated heat exchanger - has rectangular water pipes clad on either side with corrugated metal sheets which provide channels for exhaust gas
02/17/1993CN2127162Y Self-crying thermos heating unit
02/17/1993CN2127161Y Floating coil pipe-hot pipe two-stage water heating unit
02/11/1993DE4225486A1 Water heater
02/10/1993EP0526668A1 Heater for liquid
02/10/1993CN2126903Y Point moving fire grate
02/10/1993CN2126902Y Vertical spiral plate coal hot-blast stove
02/10/1993CN2126900Y Shower unit with electric heating water tank
02/04/1993WO1993002326A1 Double-walled heating section
02/03/1993CN2126738Y Cleaning cold/hot water drinker
02/03/1993CN1068644A Gas burning water heater for safety use in bathroom
01/1993
01/28/1993DE4224212A1 Double-walled combustion chamber for water heater - has lamellar tubes, surrounded on opposite sides by top sections of double jacket
01/28/1993DE4124304A1 Thermostat operated,three- way radiator valve - has by-pass side valve seat parallel to and spaced from radiator side valve seat.
01/27/1993EP0524853A1 Safety device for abnormal draught detection for gas fired boiler with natural draught flue
01/26/1993US5181537 Outlet collectors that are rate insensitive
01/26/1993CA2051864A1 Storage tank for water heaters and the like with diffuser inlet
01/21/1993DE4123486A1 Cover for opening in domestic hot water tank - has clamping levers to ensure pressure tight joint between cover and tank
01/20/1993EP0451234B1 Boiler heated by liquid or gaseous fuel
01/19/1993US5179914 Forced draft water heater with an improved tank structure and a method for making water heaters
01/19/1993US5179853 Method to manufacture sealing nipples or plugs
01/14/1993DE4120979A1 Heating radiator with plate-type body - has feed and return unions alongside each other for heating circuit
01/07/1993WO1993000559A1 Hot water boiler system
01/07/1993DE4121083A1 Hot water storage vessel for solar heating - has cylindrical pressure vessel protruding from enclosing tank at top or bottom
12/1992
12/30/1992EP0520150A1 Sectional boiler
12/30/1992CN2126396U Shaped coal boiler burner
12/30/1992CN1067493A Control circuit for turning-off gas automatically under oxygen lack
12/29/1992US5175792 Low liquid level advance warning alarm system with safety shut-off
12/24/1992DE4119867A1 Heating boiler comprising upright components - has in flow zone of cold back flow water activated by hot gases, water being diverted to higher heater parts
12/23/1992WO1992022774A1 An arrangement for connecting radiators to circulation pipes