Patents
Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567)
09/1990
09/25/1990US4958620 Water heater construction
09/25/1990CA1274464A1 Gas water heater/boiler/swimming pool heater
09/20/1990DE3908950A1 Multi-shell heating surfaces for boilers and method for producing multi-shell heating surfaces
09/20/1990DE3908550A1 Boiler
09/19/1990EP0387983A2 Water heater
09/19/1990EP0387859A2 Heating boiler
09/19/1990EP0387628A2 Heater
09/19/1990EP0387627A2 Heater
09/19/1990EP0387584A2 Heating gas draft tube
09/19/1990EP0387548A2 Boiler
09/19/1990EP0387515A1 Coffee maker for use in aircraft
09/19/1990CN2062424U Water warming device heated by central heating waste heat
09/19/1990CN1045373A Coffee maker for use in aircraft
09/18/1990US4957097 Foam insulated vessel and method of making the same
09/18/1990US4956909 Method of making spaced-wall appliance with a sealing and insulating device between said walls
09/13/1990DE3906743A1 Boiler for burning solid material
09/12/1990EP0387139A1 Boiler for heating a liquid, particularly water, and a construction unit for burning and for heat exchanging adapted to equip such a boiler therewith
09/12/1990CN2062029U Fast energy-saving common pressure tea-stove
09/12/1990CN2062028U Smoke / dust eliminating high-effective tea-stove
09/12/1990CN2062026U Fire / water convection stove
09/12/1990CN2062025U Serpentine form tube fast gas water-heater
09/12/1990CN2062024U Domestic circulation water-box type water heater by stove heating
09/11/1990US4955942 In-bed tube bank for a fluidized-bed combustor
09/11/1990US4955432 Hot gas flue pipe
09/11/1990US4955324 Pulse combustion unit for liquid heating apparatus
09/11/1990CA1273978A1 Device for preheating liquid, for instance liquid fuel
09/09/1990CA2011739A1 Coffee maker for use in aircraft
09/07/1990WO1990010364A1 Iv fluid warmer
09/06/1990DE3906715A1 Service-water boiler with a continuous-flow heater for heating-system water
09/05/1990EP0385963A1 Boiler with surface combustion burner
09/05/1990EP0385700A1 Heat exchange unit, heat exchange system, method of improving heat exchange efficiency, and refrigeration circuit
09/05/1990CN2061672U Water-air heating boiler
09/05/1990CN2061671U Thermal conductivity spiral-plate fluid heater
09/05/1990CN2061670U High thermal efficiency electric fluid heater
09/05/1990CN2061669U Thermostatic output water heater
09/04/1990US4953536 Water heating apparatus
09/04/1990US4953512 Catalytic oxidation
09/04/1990US4953511 Corrosion resistant liquid heating module
08/1990
08/30/1990DE3906976A1 Solid-matter gasification boiler producing power and heat
08/30/1990DE3906054A1 Tub/tray
08/29/1990EP0384423A1 Hot water accumulator with a heat exchanger for sanitary water as well as an exterior heating element and a distributor for the inflowing water
08/29/1990EP0384295A2 Method and apparatus for reducing the pollutants of a combustion process using oxidation honey comb catalysts and catalysts with desulfuration properties and with exhaust gas recycling
08/29/1990EP0384277A2 Method and combustion installation for the reduction of nitrogen oxide formation during the combustion of fossil fuels
08/29/1990CN1044980A Method and equipment for heat-exchange working medium to absorb heat at normal pressure and to evolute heat at abnormal pressure
08/28/1990US4951649 Method and apparatus for heating and generating infrared rays
08/28/1990US4951614 Water heater construction
08/28/1990CA1273386A1 Diesel fuel heater
08/23/1990WO1990009547A1 Thermal insulation jacket
08/23/1990WO1990009546A1 Water heater and method of fabricating same
08/23/1990DE3905398A1 Electrically heated continuous-flow heater, in particular for washing or dishwashing machines
08/22/1990CN2060862U Multi-purpose water heating stove
08/22/1990CN2060861U Vertical water-storage type water heater using electricity
08/22/1990CN2060860U High effeciency energy-saving water heater
08/22/1990CN2060859U High efficiency water-heating stove using gas
08/22/1990CA2009379A1 Gas heating unit and electrical control circuit therefor
08/21/1990US4949680 Water heater having filling dip tube
08/21/1990US4949627 Coffee maker for use in aircraft
08/21/1990CA2009898A1 Wood burning hot water furnace
08/21/1990CA1273006A1 Apparatus for producing a heated fluid
08/15/1990CN2060526U Domestic gas steam heating apparatus
08/15/1990CN2060525U Energy-saving domestic quick thermal reflection heating stove
08/15/1990CN2060524U Electric heating bathing apparatus
08/14/1990US4947656 Integrated apparatus for producing warm water
08/08/1990EP0381252A2 Fuel fired burner
08/07/1990US4947025 Portable electric water heater for outdoor use
08/07/1990US4946098 Central heating installation with a hot water circuit for domestic usage
08/07/1990US4945892 Insulated fluid storage unit
08/01/1990EP0380140A2 Method and device for injection of a liquid into the human or animal body as well as method and heating device for temperature control
08/01/1990CN2059973U Box-type layered briquet hot water boiler
08/01/1990CN2059972U Household economizing multifunction boiler
08/01/1990CN2059971U 热水器 Water Heater
08/01/1990CN2059970U Verticle electric water heater
08/01/1990CN1044332A 节能锅炉 Saving boiler
07/1990
07/31/1990US4944286 Immersible water heater
07/26/1990DE3918019C1 Boiler exhaust gas temp. controller - has insert body element moving along length of boiler, to control or free flow channels
07/25/1990EP0379469A2 Heating installation
07/25/1990CN2059781U Floating heater for bathtub
07/25/1990CN2059726U Back-burning coal briquet boiling water supplying boiler with two layer grate
07/25/1990CN2059725U Boiled drinking water supplying device
07/25/1990CN2059724U Gas water quick boiling device
07/19/1990DE3901061A1 Motor vehicle heating by means of petrol using a catalyst
07/19/1990DE3546720C2 Natural draught furnace for heating boilers etc.
07/18/1990CN2059496U Water-heating and worming stove
07/18/1990CN2059495U Combustion stove type domestic hot water shower
07/18/1990CN2059494U Direct-heating high-speed electric water heater
07/18/1990CN1043985A Multi-functional boiler
07/12/1990DE3900322A1 Water heating boiler
07/11/1990CN2059231U Verticle internal combustion oxygen spray hot water boiler
07/11/1990CN2059230U Hot water steam boiler burnt at the botton
07/11/1990CN2059229U Household boiler with smoke inhibition and dust removing feature
07/11/1990CN2059228U Household hot water heater
07/11/1990CN2059227U Octagon verticle three purpose water heating stove groop for bath, tea water and heating
07/11/1990CN2059226U 全自动恒温电热水器 Automatic electric water heater thermostat
07/11/1990CN2059225U Multi-functional gas burning water heater
07/11/1990CN1008767B Hot water heater and steam generator
07/10/1990US4940885 Heating apparatus including ulta-violet portion
07/10/1990US4940042 System and apparatus for venting water heater
07/10/1990US4940024 Hot water heater
07/05/1990DE3900048A1 Boiler for a hot-water heating system with electrical heat generation, for dwellings and occupied rooms
07/04/1990EP0375962A2 Hot-water apparatus