Patents for F24H 9 - Details (27,146)
11/1989
11/09/1989DE3814519A1 Temperaturabhaengiges ventil Temperaturabhaengiges valve
11/08/1989EP0340370A1 Wall-mounted heater for heating and hot water production
11/02/1989WO1989010519A1 Low-temperature heating boiler
11/02/1989DE3813825A1 Method for regulating the circulating pump of a heating system
10/1989
10/24/1989CA1262430A1 Device for minimizing hot water heat loss in a water heater
10/18/1989EP0337923A2 Water heater
10/18/1989CN2046197U Temp. control flow measuring unit
10/11/1989CN2045829U Heating automatic control system for gas boiling water stove
10/10/1989US4873422 Wall mounted heater with plug mount and support
10/10/1989US4872443 Water heater with power vent access door
10/10/1989CA1262221A1 Gas-fired boiler plant
10/05/1989DE3907179A1 Device for heating a flowing medium, in particular water
10/04/1989EP0335516A2 Improved water heater construction
10/04/1989EP0334891A1 Cathodically protected water heater
10/03/1989US4871089 Hot water dispenser
09/1989
09/28/1989DE3907435A1 Electrically heated through-flow water heater
09/27/1989EP0333972A1 Smoke-tube
09/27/1989CN2045087U Gas heated hot-water producer with microcomputer control
09/27/1989CN2045056U Convenient descaling device
09/26/1989US4869232 Oil and gas water heater
09/26/1989CA1260778A1 Cylindrical boiler
09/26/1989CA1260358A1 Radiator valve
09/21/1989DE3906829A1 Electrically-heated flow-type water heater
09/19/1989US4868370 Device for supplying hot water
09/19/1989CA1259651A1 Multi-zone heater arrangement and method for controlling the temperature of a flowing medium
09/14/1989DE3814511C1 Wall-fixing device of a water heater
09/14/1989DE3807190A1 Heating apparatus, in particular vehicle heating apparatus
09/13/1989EP0331969A2 Arrangement for lowering of flue gas temperature of heating installations
09/13/1989EP0331922A2 Heater
09/13/1989CN2044334U Safety rapid electric water heater
09/07/1989DE3805828A1 Method for producing radiator connections
09/06/1989EP0331141A2 Boiler
08/1989
08/31/1989DE3805559A1 Electric water heater
08/30/1989CN2043735U Wall-hanging automatic electric water boiler
08/24/1989WO1989007740A1 Electric boiler control system
08/23/1989EP0329587A1 Gas furnace control system
08/23/1989EP0329508A1 Central heating installation with a sanitary hot water circuit
08/23/1989EP0328797A2 Multi-purpose boiler for producing hot water
08/23/1989EP0328723A1 Mixing valve connected with an open consumption water heater
08/22/1989US4858563 Water heater cleaning apparatus
08/17/1989DE3803808A1 Heat accumulator apparatus with a lid
08/17/1989DE3803807A1 Heat accumulator apparatus with a housing
08/16/1989EP0328309A1 Water heaters
08/10/1989WO1989007224A1 A heat installation for premises with water as a heat transmitting medium
08/09/1989EP0327135A1 Atmospheric gas burner
08/09/1989EP0326814A1 Radiating heater for heating liquids
08/02/1989EP0326185A1 Atmospheric gas burner
08/01/1989CA1258025A1 Connecting apparatus for a radiator
07/1989
07/27/1989DE3800847A1 Boiler
07/26/1989CN2041788U Effective gas boiler
07/25/1989US4851515 Nitridotetrahalotechnetium compounds from pertechnetate, azide, hydrohalic acid
07/25/1989US4850427 Device for controlling overheating and scaling in an apparatus for heating a fluid and apparatus equipped with such a device
07/25/1989US4850309 Boiler hydraulic column choke and reamer with burner control protection against a low water condition
07/19/1989EP0324313A1 Device for cooling a burner
07/19/1989EP0207106B1 Incident and/or translucent light microscope
07/18/1989US4848616 Electric immersion heating unit with readily removable and replaceable galvanic current control resistor
07/13/1989DE3546709A1 Vessel with flange plate - has plastics ring with elastic fingers holding nuts until bolts are screwed home
07/12/1989EP0323942A1 Hot water accumulator and process for heating this accumulator
07/12/1989EP0323921A1 Gas boiler of the gas-tight type with an adjustable exhaust gas ventilator, and associated pressure switch-controlled security system
07/12/1989CN2041016U Pot type temp. autocontrolled water-heater
07/12/1989CN2041013U Fully-automatic gas-fired water-heater
07/06/1989DE3842644A1 Method for controlling the output of an electrically heated flow heater
07/05/1989EP0323439A1 Atmospheric gas burner
07/05/1989CN2040615U Quasi-electronic fully automatic non-extinction safe device
07/05/1989CN2040614U Automatic stated pressure expander for water heating
07/05/1989CN2040613U Fully automatic safe constant pressure device for water heating
07/05/1989CN2040612U Practical water temp. adjuster
07/04/1989US4844074 Method and apparatus for introducing a fluid into a human or animal organism as well as method and heating device for temperature control
06/1989
06/29/1989DE3742545A1 Heat storage unit having at least 2 heating resistors
06/29/1989DE3742544A1 Heat accumulator with detachable supporting feet
06/29/1989DE3742543A1 Heat storage apparatus with a flap in an air duct
06/28/1989EP0322399A1 Atmospheric gas burner
06/27/1989US4843273 Heater mechanism with thermoelectric power generator
06/27/1989US4842190 Control circuit for a forced-air heating system
06/22/1989DE3840983A1 Gas-fired appliance
06/22/1989DE3741775A1 Control circuit for hot air appliances
06/21/1989EP0320924A2 Heating boiler with a burner for solid fuel
06/15/1989DE3741289A1 Plumbing block
06/14/1989EP0320072A2 Heating appliance
06/13/1989US4838211 Water heater construction and method of heating water
06/13/1989US4838208 Cathodically protected water heater
06/08/1989DE3740175A1 Electrically heatable, water-carrying domestic appliance
06/08/1989DE3739676A1 Flow heater with electronic temperature regulation
06/07/1989EP0319009A2 Boiler
06/06/1989CA1255168A1 Apparatus for heating water
06/01/1989DE3740286A1 Flow-type heater (continuous-flow heater)
05/1989
05/31/1989CN2038611U Switch box of electric water-heating device
05/24/1989DE3830660A1 Distributor fitting
05/24/1989DE3738773A1 Control system for switching on and off a heating boiler and a circulating pump
05/18/1989WO1989004438A1 Swirl combustion apparatus
05/18/1989DE3837581A1 Flow safety device for a boiler heated by a burner
05/18/1989DE3836846A1 Burner-heated hot-water storage device
05/16/1989US4829983 Burner mounting bracket
05/10/1989EP0315579A1 Heater for circulating water
05/10/1989EP0315578A2 Heating with water circuit
05/10/1989EP0315577A2 Burner heated apparatus, especiallly water heater
05/10/1989EP0314972A2 Device for heating water particularly a hot water boiler
05/10/1989CN2037450U Fully automatic boiling water heater with unremittance by gas
05/09/1989US4828171 Housing for a multi-function appliance
05/09/1989US4827962 Safety valve