Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24H - Fluid heaters, e.g. water or air heaters, having heat-generating means, in general › F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater
Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567)
01/1990
01/02/1990US4890762 Water heater with dam draped over flange
12/1989
12/27/1989EP0348302A1 Heat exchanger with fins for a water heater
12/27/1989EP0348299A1 Heat exchanger
12/27/1989EP0347797A1 Process for reducing NOx in exhaust gases from furnaces, and furnace with means for reducing the NOx content in exhaust gases
12/27/1989EP0347619A2 Boiler for burning liquid or gaseous fuel
12/27/1989CN2050143U Self-circuit heat-exchanger device for aerated water
12/27/1989CN2050140U Multi-functional place-rotating moulding coal tea water stove
12/27/1989CN2050139U Hot water shower unit
12/27/1989CN2050138U Moulding coal boiler
12/26/1989US4889105 Water heater construction and method of manufacture
12/20/1989CN2049742U Multi-function vertical boiler with secondary burning out feature
12/20/1989CN2049741U Heat-pipe fire grate boiler
12/20/1989CN2049740U 微波液体加热器 Microwave heating liquids
12/14/1989WO1989012204A1 Induction heater
12/13/1989EP0345683A2 Heating boiler for combustion of fluid or gaseous fuels
12/13/1989EP0345426A1 Partition wall for a boiler
12/13/1989CN2049327U Pressureless boiler with hot-water circulation
12/12/1989US4886018 Boiler element
12/12/1989US4886017 Group eight metalon support
12/12/1989CA1263827A1 Hot water producing installation, with storage capacity
12/06/1989CN2048942U Domestic high efficient siphon vacuum heater
12/06/1989CN2048941U Domestic energy saving multipurpose stove
12/06/1989CN2048745U Water-heated electri mattress
12/05/1989US4884963 Pulse combustor
11/1989
11/29/1989EP0343937A1 Boilers
11/29/1989EP0343485A2 Central space heating apparatus
11/29/1989CN2048558U Rapid water heater
11/23/1989EP0342516A1 Heating device for a coffee machine
11/23/1989DE3817441A1 Electric instantaneous water heater
11/23/1989DE3816335A1 Materialdurchflusserhitzer Materialdurchflusserhitzer
11/22/1989CN2048169U High efficiency heating boiler
11/22/1989CN2048168U Fast hot-water heater
11/22/1989CN1037390A Multifunctional low-voltage dc electric kettle
11/16/1989WO1989011069A1 Flow-heater for materials
11/16/1989DE3815721A1 Water-heating installation with expansion possibility for the water during heating
11/16/1989DE3815687A1 Water guiding device of a flow heater
11/15/1989CN2047768U Integral horizontal heating furnace for heat-conducting oil
11/15/1989CN2047765U Hot tube gas boiler for civil use
11/15/1989CN2047764U Middle and small-sized atmospheric water-tube boiler
11/15/1989CN2047763U Miniature circulating bath water heating boiler
11/15/1989CN2047539U Multi-functional bath mounted to under couch mattress
11/14/1989US4879959 Swirl combustion apparatus
11/14/1989US4879801 Cathodically protected water heater
11/14/1989CA1262928A1 Electrically operated water heating device
11/08/1989CN2047347U Non-pressure hot water boiler and its heating system
11/08/1989CN2047169U Continuous regulating temp. type shower
11/08/1989CN2047168U Adjustable electrode type electrothermal shower
11/08/1989CN2047167U Magnetic shower heated by far infrared ray
11/08/1989CN2047166U Honeycomb type energy-saving domestic shower heater
11/08/1989CN1037028A Fluid heater using pulsating combustion
11/07/1989US4878482 Insulated fluid storage unit and method of making
11/07/1989US4878459 Water heater construction
11/02/1989WO1989010519A1 Low-temperature heating boiler
11/01/1989CN2046988U Horizontal water mantle-tube hot-water boiler with multi return-strokes at normal pressure
11/01/1989CN2046987U High heat-efficiency magnetised-water shower bath to supply heat by using coal-stove
11/01/1989CN1036823A Self-blowing water-heating furnace
10/1989
10/31/1989US4877014 Tube arrangement for heat exchanger
10/31/1989US4876987 Synthetic gas cooler with thermal protection
10/26/1989DE3912352A1 Insulated liquid receptacle and method for its manufacture
10/25/1989EP0338120A2 Boiler-storage heater unit
10/25/1989EP0338056A1 Apparatus for prevention of the occurence or proliferation of microorganisms in water for industrial use
10/25/1989CN2046610U Vertical coal boiler with water and fire pipes
10/25/1989CN2046609U Heat exchanger with combustion chamber
10/25/1989CN2046608U Anthracite-fired hot water boiler
10/25/1989CN2046607U Vertical coal boiler with double water pipes
10/25/1989CN2046349U Multi-purpose autoclave with feature of power saving
10/24/1989US4875465 High efficiency submersible chamber water heater
10/24/1989US4875272 Method of making spaced-wall appliance with a sealing and insulating device between said walls
10/19/1989DE3810624A1 Flow-type (through-flow, continuous-flow) heater
10/18/1989EP0337923A2 Water heater
10/18/1989CN2046196U Fin type vertical boiler
10/18/1989CN2046195U Double body type hot water boiler
10/18/1989CN2046194U Pipeless circulating heater
10/17/1989US4874925 Electrically heated hose assembly for conveying electrically conductive liquids
10/17/1989US4874104 Hot water storage tank
10/12/1989DE3810051A1 Electrical flow-type heater having PTC heating elements
10/11/1989EP0336751A2 Water heater
10/11/1989CN2045828U High-efficiency boiling water unit
10/11/1989CN2045827U Energy-saving boiling water stove
10/11/1989CN2045826U Back-wind double-face heating energy-saving domestic boiler with jacket
10/10/1989US4872501 Heat exchanger for mobile aircraft deicing machine and method of use
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
10/05/1989DE3836877C1 Device in a water heater for preventing dripping
10/04/1989EP0335516A2 Improved water heater construction
10/04/1989EP0335489A2 Concurrent sorting apparatus and method
10/04/1989EP0335250A1 Once through heater, especially for coffee or tea making machines
10/04/1989EP0334891A1 Cathodically protected water heater
10/04/1989CN1036072A Combustion gas energy-saving heat absorber
10/03/1989US4871308 Method and apparatus for heating a fluid stream
10/03/1989CA1262083A1 Gas-fired water heaters
09/1989
09/28/1989DE3908669A1 Heater
09/27/1989CN2045090U Household water heater for shower bath and central heating
09/27/1989CN2045089U Electric water heating device
09/27/1989CN2045088U Energy-saving boiling water continuous supplying boiler
09/27/1989CN2045087U Gas heated hot-water producer with microcomputer control
09/27/1989CN2045086U Infrared electrothermal (cold-) hot-water quick supplying device
09/27/1989CN2045085U Continuous temp.-regulated electrode type shower
09/27/1989CN2045084U Regenerative electrothermal drinking-water container
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