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)
01/1991
01/01/1991US4981112 Potable hot water storage vessel and method of manufacture
12/1990
12/27/1990WO1991000481A1 Heating boiler
12/27/1990EP0404260A1 Laminated burner structure
12/27/1990EP0404259A1 Laminated heat exchanger structure for a domestic heating device
12/27/1990CA2033988A1 Boiler
12/27/1990CA1278184C Heating device for a bath, and particularly a galvanizing bath
12/26/1990CN2068216U Non-smoke hot water and heating boiler
12/26/1990CN2068215U Hot pipe formed-coal furnace for water and shower
12/26/1990CN2068214U Multi-functional water heater
12/26/1990CN2068209U Multi-functional domestic water heater
12/26/1990CN2067955U Energy-saving gas shower unit
12/25/1990US4980537 Electric heating device
12/25/1990US4979637 Water heater construction and method of making same
12/19/1990EP0403326A1 Warm water storage heater and installation equipped with such a storage heater
12/19/1990CN2067807U Flyash-eliminating and dust-removing boiler
12/19/1990CN2067806U High-efficient energy-saving boiler
12/19/1990CN2067805U Water heater utilizing waste heat
12/19/1990CN2067804U Fast electric heater
12/18/1990US4978833 Hot water dispenser having improved water temperature control system
12/18/1990US4978291 Method of regulating the fuel-air mixture in a burner
12/13/1990DE3919186A1 Boiler for indirectly heating domestic water - comprises separate hot and cold water containers with heat exchanger between them linked by pump
12/12/1990EP0401543A1 neat-exchanger apparatus, especially for a gas or oil fixed water heater
12/12/1990CN2067387U Smokeless coal-saving boiling water supply boiler
12/12/1990CN2067386U Smoke-elimilating coal briquet hot-water supplying stove
12/12/1990CN2067385U Multifunction small-size coal-saving stove
12/12/1990CN2067384U Household miniature gas boiler
12/11/1990US4976463 Heating system for vehicle
12/06/1990DE4012643A1 Efficient element for water heaters - is polyester of polyimide film, silk screen printed with conductor pattern, laid up with copper contact plus plain film, and hot pressed
12/06/1990DE3917843A1 Heat recovery from discharging domestic heater fumes - by injected mist of co-travelling water particles
12/05/1990EP0400837A1 Boiler operating method with gases produced from bioreactor
12/05/1990CN2066957U Storage bottom burning castiron boiler for hot water and heating
12/05/1990CN2066956U Fully automatic gas hot water stove
12/05/1990CN2066955U 热管热水器 Heat pipe water heater
12/05/1990CN2066954U High efficient water heating stove
12/05/1990CN2066953U Hot water reheater
12/05/1990CN1047564A Temp.-adjustable boiling-water unit
12/05/1990CN1047563A Lukewarm water boiler using solid coal and automatic control apparatus thereof
12/04/1990US4974551 Water heater and method of fabricating same
11/1990
11/29/1990CA2017685A1 Hot water tanks and installations equipped with such tanks
11/28/1990CN2066567U Single passage type half gas energy-saving heat conducting oil stove
11/27/1990US4973482 Storage tank assembly for bulk fat and method for using same
11/27/1990US4972967 Water heater construction and sealing device therefor
11/27/1990US4972759 Thermal insulation jacket
11/27/1990US4972679 Absorption refrigeration and heat pump system with defrost
11/22/1990EP0398454A2 Improved water heater construction
11/22/1990DE4015148A1 Water heater with burner and two=part heat exchanger - has one part of heat exchanger in flame to extract hot flow and intensify flame
11/22/1990DE3916052A1 Steam generating plant with small water capacity - has additional water storage to meat sudden increase in demand
11/21/1990CN2066121U Casting forming hot water heating furnace
11/21/1990CN2066120U Energy-saving gas-adjusting water-heating unit
11/21/1990CN2066119U Water-storing electric heating unit
11/21/1990CN2066118U Safety electric water-heating unit
11/21/1990CN2066117U Energy-saving quick water-heating unit
11/14/1990EP0397586A1 Boiler section for low temperature heating boiler
11/14/1990CN2065749U Fire-tube type heat-tube heaitng furnace
11/14/1990CN2065743U Multi-function self-blowing stove for water heating
11/13/1990US4970373 Electronic temperature control system for a tankless water heater
11/13/1990US4969420 Magnesium pressure vessel water tank
11/07/1990EP0314722B1 Oven, in particular for burning solid fuels
11/07/1990CN2065300U Electric heater for toilet
11/07/1990CN2065299U Movable heated water feeder
11/07/1990CN2065298U Furnace for boiling and heating water
11/07/1990CN2065297U Simple rapid water heater for domestic use
10/1990
10/31/1990DE4012363A1 Wood-burning stove with two combustion chambers - has secondary combustion air supplied through hollow wall
10/31/1990DE3914245A1 Horizontal cylindrical central heating boiler - has doubler walled water jacket with radial fins projecting into furnace chamber from outer surface of inner lining
10/31/1990CN1046593A Secondary conbustion multfunction vertical boiler
10/30/1990US4967052 Microwave heat pipe heating system
10/24/1990EP0393307A2 Heating boiler
10/24/1990EP0393119A1 Tungsten-halogen heater
10/24/1990CN2064482U Power-saving warming heaters
10/24/1990CN2064481U Composed hand-pushed water auto-boiling tanks
10/24/1990CN1046383A Fullautomatic electric boiler for carriage of passenger train
10/23/1990US4964797 Catalytic heater for internal combustion engines
10/20/1990WO1990012988A1 Hot water heaters
10/20/1990CA2053286A1 Hot water heaters
10/18/1990WO1990012260A1 A inclined-firebox boiler
10/18/1990DE3912498A1 Combined gravitational and magnetic fields - increase beneficial effect of water flowing in conical helical pipe round magnetic core
10/17/1990CN2064037U Reheating furnace using oil as heat-transfer material
10/17/1990CN2064032U Dual purpose stove for burning shapped coal or broken coal
10/17/1990CN2064031U Direct heater using steam and hot water
10/17/1990CN2064030U Silencing heater
10/17/1990CN1046219A Improvement of dual-tube of multifunctional boiler, method of manufacture of same and such boiler
10/10/1990EP0391781A1 Double tubes for mixed boiler, methode of production and corresponding boilers
10/10/1990EP0390902A1 Heating apparatus with a heat exchanger.
10/10/1990CN2063388U Heater for tubular immediate heating type shower appliance
10/07/1990CA2013838A1 Double pipes for mixed boilers, to the methods of manufacturing such pipes and to the corresponding boilers
10/06/1990WO1990012259A1 Plastic heating boiler with integral exhaust gas cleaning
10/03/1990EP0390656A1 Boiler with water tubes and heating installation equipped with such a boiler
10/03/1990EP0390326A2 Gas heating unit and electrical control circuit therefor
10/03/1990EP0389652A1 Catalytic heating panel
10/03/1990CN2063209U Constant temp. tea-urn stove firing anthracite briquet and having internal boiling water container
10/03/1990CN2063207U Water heater for ordinary range
10/03/1990CN1045858A Fully automatic universal boiler and component jigs thereof for cooking and daily use in a safety series of different sizes
10/02/1990US4960976 Electrical resistance water heater effecting non-lamellar flow to avert cavitation therein
10/02/1990US4960078 Pulse combustion device
09/1990
09/26/1990CN2062803U Water circulating compensator of rear arch pipe
09/26/1990CN2062801U Double-function fast water heater with continuous temp. regulation
09/26/1990CN2062800U Water heater with automatic water supply
09/26/1990CN2062799U Fast gas water heater
09/25/1990US4959528 Electrically heated vessel and base unit for use in a motor vehicle
09/25/1990US4959526 Storage type electric water heater having a closed circulation loop with a bubble pump
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