Patents for F24H 9 - Details (27,146)
12/1992
12/23/1992EP0519172A1 Cast-iron heating boiler
12/23/1992EP0519030A1 A gas-fired water heating appliance.
12/23/1992CN2125794U Gas-burning water heater with back watching hole
12/23/1992CN2125793U Pressure energy-saving shower
12/17/1992DE4119460A1 Fuel supply regulator for low temp. water heater - controls equal mixt. of hot and cold water, starting pump at predetermined temp. above dew point
12/16/1992EP0518787A1 Boiler with deformable wall
12/16/1992CN2125104U 多功能热水器 Multifunctional water heater
12/16/1992CN2125103U Flameless gas-fired water heater
12/16/1992CN2125101U Multifunctional gas-fired fast water heater
12/16/1992CN1067110A Control method of electric water heater
12/16/1992CN1067106A Improvements in or relating to boilers
12/09/1992CN2124431U Separated controller for gas water heater
12/09/1992CN2124430U Multipurpose thermal tube type atmospheric stove
12/09/1992CN2124429U Common heating and bath boiler
12/09/1992CN2124426U Coal-fired water heater
12/08/1992US5170462 Apparatus for supplying heated water to a bidet
12/08/1992US5169291 Water heater with shut-off valve
12/02/1992CN2123735U Water-gas combined device
12/02/1992CN2123734U Air inlet control device of gas hot-water apparatus
12/01/1992CA1311008C Portable electrical appliance
11/1992
11/26/1992WO1992020976A1 Process for producing a double-walled heating duct
11/26/1992WO1992020920A1 Water heater with shut-off valve
11/26/1992DE4216474A1 Verfahren zur herstellung eines doppelwandigen heizschachtes A process for producing a double-heater well
11/25/1992EP0514922A1 Portable heat conducting apparatus
11/25/1992CN2123037U Explosion-proof equipment for atmospheric heating furnace
11/25/1992CN2123036U Improved structure of water heater casing
11/25/1992CN2123032U Electric pipe water heater
11/24/1992US5165596 Dual-purpose central heating boilers
11/24/1992US5165472 Heat exchanger with fluid injectors
11/19/1992DE3744812C2 Operating method for electrical flow master
11/17/1992US5163508 Heat exchanger baffle system
11/17/1992US5163234 Hand drier control apparatus
11/11/1992EP0512220A1 Central heating boiler for oil or gas power burner and low temperature usage
11/11/1992CN2121656U Multi-segment machinery gas sefety control valve
11/11/1992CN2121655U Separated part gas water heater
11/11/1992CN2121654U Feed gas control unit of gas heating water unit
11/11/1992CN2121653U Drying oven
11/11/1992CN2121649U Electric heat water unit
11/04/1992CN2120999U Spoiler of gas hot-water apparatus
11/04/1992CN2120998U Self-controlled efficiency energy-saving steam water boiler
10/1992
10/28/1992EP0510863A2 Controls for water heating appliances
10/28/1992CN2120303U Circulating electric water heater with power regulation
10/28/1992CN2120296U Quick coal and gas boiler
10/28/1992CN2120295U Carbon electrode tube electric water heater
10/27/1992US5159659 Hot water tank construction, electrically operated heating element construction therefor and methods of making the same
10/27/1992US5159658 Water heater tank arrangement, control device and shaft extension therefor and methods of making the same
10/27/1992US5158069 Wind-resistant heating appliance
10/27/1992CA1309378C Magnetic water conditioning device
10/27/1992CA1309309C Water heater construction
10/23/1992CA2066474A1 Controls for water heating appliances
10/21/1992EP0509611A1 Combined central-heating and water-heating boiler comprising a heat exchanger with built-in pumps
10/21/1992CN2119612U Safety burning-rate accelerating device of full-closed external circulation water heater
10/21/1992CN2119611U Shower gaseous fuel stove
10/21/1992CN2119609U Water heater with positive temp coefficient resistor heat-generating body
10/21/1992CN2119606U Clamp type water heater
10/21/1992CN1065518A Water heater's heat-exchanging water tank with enamelled mantle
10/20/1992CA2006348C Thermoelectric generator for use in a heater and method of installation
10/20/1992CA1308973C Cathodically protected water heater
10/15/1992DE4112057A1 Thermostatically controlled three-way valve with housing - has switch between by=pass pipes and main flow pipes
10/15/1992DE4111222A1 Waste steam tube for water boiler - has second double bend, pivoted about second axis parallel to first axis of first double bend
10/14/1992CN2118950U Electric water heater
10/14/1992CN2118949U Double grate normal pressure water boiler
10/08/1992DE4210177A1 Heating system with prim. heat exchanger acted on by modulated gas burner with control - has combustion chamber with cooled casing accepting burner connected in series to heat exchanger and series circuit is connected to user by supply and return lines
10/08/1992DE4110979A1 Combustion chamber for gas burner in boiler - has concave mirror bottom with aluminium@ layer over it and heat insulation on underside
10/07/1992CN2118276U Inproved starting apparatus for gas water heater
10/07/1992CN2118275U Non-pressure water tank for non-pressure heat water boiler
10/06/1992US5152843 Insertion of jet nozzle through drain tube, spraying and agitation for suspension of sediments, drainage
10/01/1992WO1992016807A1 Heat exchanger with fluid injectors
09/1992
09/30/1992CN2117568U Hot pipe boiler with seperating phase combustion
09/30/1992CN2117567U Gas hot blowing stove
09/30/1992CN2117566U Declined curved surface hot exhaust pipe heater
09/24/1992DE4109255A1 Block in hot water pipe with basic part - has valve in valve seating, with control pin, stop piece, elastic tongue and adjusting pin
09/22/1992US5149209 Hair dryer with audible unplug alarm
09/16/1992CN2116175U Driven manually reciprocating injection air heater
09/16/1992CN2116171U Water boiler with varied cycling means
09/15/1992US5146911 Exterior enclosure for gas-fired water heater
09/12/1992CA2062426A1 Construction heater and method of manufacture of heater
09/10/1992DE4107393A1 Heating regulator with current-dependent reference monitoring - is dynamically adapted dependent upon operating current and ambient temp. and incorporates limiter and regulator in form of knob thermostats with combination of resistances
09/09/1992EP0502373A2 Heating apparatus
09/09/1992CN2115496U Hot-water boiler with moving furnace arch
09/03/1992WO1992014974A1 Hot water tank construction, electrically operated heating element construction therefor and methods of making the same
09/02/1992CN2114792U Infrared ray water heater
09/01/1992US5143050 Water heater heat rollout sensor
08/1992
08/26/1992EP0500027A1 Boiler
08/26/1992CN2114114U Energy-saving safety water heater
08/19/1992EP0499557A1 Compact cast iron burner of the total premix type
08/12/1992EP0498749A1 Heat exchange element for cast iron sectional boiler
08/12/1992EP0498748A1 Cast iron gas-fixed sectional boiler with total premixing
08/12/1992CN2112786U Coal burning stove
08/12/1992CN2112785U Horizontal active fire-grate boiler
08/12/1992CN2112783U Automatic steam water boiling device
08/11/1992US5137053 Storage tank for water heaters and the like with diffuser inlet
08/11/1992CA2003799C Vent overpressurization detection system for a fuel-fired induced draft furnace
08/11/1992CA2003793C Pilot gas bypass system for fuel-fired furnaces
08/06/1992WO1992013235A1 Coal-fired heating apparatus and method
08/06/1992DE4103373A1 Throughflow water heater with safety cut=out - has monitoring circuit to switch off power if one or more heating elements have voltage applied with no water flow
08/05/1992EP0497224A1 Low temperature heating boiler for burning liquid or gaseous fuels
08/05/1992CN2112120U Automatic boiling water switch with protective handle
08/05/1992CN2112119U Safety device of gas water heater
08/05/1992CN2112118U Autoamtic cut-out for electric kettle for water in boiling