| Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567) |
|---|
| 03/28/1990 | CN1040863A Gas water-heater with temp.-controlled warming, oxygen deficit and fault self-checking alarming and auto-control exhaust |
| 03/27/1990 | US4911142 Water heater construction |
| 03/27/1990 | US4911108 Water heater construction |
| 03/27/1990 | US4910969 Apparatus for heat recovery by using a heat-pump system |
| 03/22/1990 | DE3831218A1 Water heater |
| 03/22/1990 | DE3831152A1 Hot-water cylinder |
| 03/21/1990 | EP0359102A1 Boiler |
| 03/21/1990 | CN2054886U Simple bathing heater |
| 03/21/1990 | CN2054885U Coal range bathing device |
| 03/21/1990 | CN2054884U Three-purpose heater for tea, bath, and getting warm |
| 03/21/1990 | CN2054883U Gas boiler of self-made gas |
| 03/21/1990 | CN1040672A Automatic water boiler controlled by pressure sensor |
| 03/20/1990 | US4909191 Hot water production appliances |
| 03/20/1990 | US4909190 Boilers |
| 03/20/1990 | CA1266875A1 Electric fluid heater |
| 03/15/1990 | DE3929314A1 Water heater which placed either on or beneath bench - is designed to increase water flow and avoid turbulence |
| 03/15/1990 | DE3904635A1 Heizkessel Boiler |
| 03/15/1990 | DE3830883A1 Combustion furnace |
| 03/15/1990 | DE3828920A1 Electrically operated appliance for preparing hot beverages, such as coffee, tea or the like |
| 03/14/1990 | CN2054526U Non-pressure hot water boiler heat supply system |
| 03/14/1990 | CN2054525U High-efficient fast-speed direct current hot water boiler |
| 03/13/1990 | US4907570 Insulated fluid storage unit |
| 03/13/1990 | US4907569 Water heater with skirt ring dam |
| 03/13/1990 | CA1266594A1 Fuel preheater for diesel engines |
| 03/07/1990 | EP0356709A2 A methane catalytic combustion boiler for obtaining hot water for household and industrial uses |
| 03/07/1990 | EP0356452A1 A device for preparing hot water by means of an external heating source |
| 03/07/1990 | CN2054156U Composite-board blowup fluid-pipe heater |
| 03/06/1990 | US4906817 Overflow compensation device for a water heater using a variable volume bellows |
| 03/06/1990 | US4905895 Heating device, particularly vehicle auxiliary heating device with a quadrangular heat exchanger |
| 02/28/1990 | CN2053730U Civil boiler with side-laid heat tube and grate back burning |
| 02/28/1990 | CN2053729U Multipurpose multiple heat-source household water heater |
| 02/28/1990 | CN2053728U Coal-combustion water heater |
| 02/27/1990 | US4904428 Method of making a foam insulated water heater |
| 02/27/1990 | US4903641 Method and apparatus for extracting saturated steam in the synthesis of hydrogen chloride gas |
| 02/26/1990 | EP0318514A4 Diesel fuel heater. |
| 02/21/1990 | CN2053313U Bile duct-type energy-saving water heater |
| 02/21/1990 | CN2053312U Thermogenic appliance by friction |
| 02/21/1990 | CN2053311U Immersion mixer of gas and water |
| 02/21/1990 | CN2053307U Heater for domestic shower |
| 02/20/1990 | US4901677 Finned-tube heat exchanger with liquid-cooled baffle |
| 02/20/1990 | US4901676 Sealing and insulation device for the space between spaced apart surfaces |
| 02/20/1990 | US4901425 Method of insulating a water heater device |
| 02/20/1990 | CA1266075A1 Heating devices |
| 02/15/1990 | DE3827585A1 Storage water heater |
| 02/15/1990 | DE3827562A1 Pressureless hot-water storage apparatus |
| 02/14/1990 | EP0354334A1 Integrated apparatus for producing warm water |
| 02/14/1990 | CN2052874U Household air-conditioning and heating stove |
| 02/14/1990 | CN2052873U Pressure-free hot water boiler |
| 02/14/1990 | CN2052872U Copper lining steel shell water heater |
| 02/14/1990 | CN2052871U High efficient heat pipe automatic temp. control water heater |
| 02/14/1990 | CN2052870U Verticle normal pressure water heating boiler |
| 02/14/1990 | CN2052866U Water heater of gas range |
| 02/13/1990 | US4899696 Commercial storage water heater process |
| 02/07/1990 | EP0354188A2 Pulse combuster and process |
| 02/07/1990 | EP0354165A2 Boiler |
| 02/07/1990 | CN2052500U Atmospheric hot-water boiler |
| 02/07/1990 | CN2052499U Gas water heater with hot tube |
| 02/07/1990 | CN2052498U Domestic shower device |
| 02/07/1990 | CN2052485U Photo-control electric igniter |
| 02/07/1990 | CN2052479U Horizontal boiler |
| 02/07/1990 | CN1039478A Improvements to hot water production appliances |
| 02/06/1990 | US4898146 Heating appliance |
| 02/01/1990 | DE3901243C1 Continuous-flow heater for liquids |
| 01/31/1990 | CN2052116U Energy-saving scum rapid water-heater |
| 01/31/1990 | CN2052115U Pressureless heating boiler |
| 01/31/1990 | CN2052114U Boiler using spiral steam pipe-line |
| 01/31/1990 | CN2052113U Quick-heater for shower and boiling water |
| 01/31/1990 | CN2052112U Hearth and extinction protection of gas boiler |
| 01/31/1990 | CN1006660B Control device for superheating and scale of fluid heating equipment |
| 01/30/1990 | CA1265005A1 Device for preheating liquids, especially for preheating liquid fuels used for combustion and for powering engines |
| 01/25/1990 | WO1990000502A1 Appliance construction, sealing device therefor, and method |
| 01/25/1990 | DE3824367A1 Combination heating boiler |
| 01/24/1990 | CN2051725U Steam water-heating apparatus |
| 01/23/1990 | US4895136 High-temperature heaters, methods and apparatus |
| 01/23/1990 | CA1264793A1 Electrically heated pipe assembly |
| 01/23/1990 | CA1264622A1 Water heater construction and method of heating water |
| 01/23/1990 | CA1264621A1 Water heater construction and method of manufacture |
| 01/17/1990 | CN2051344U Vacuum-steam heating and hot-water equipment |
| 01/17/1990 | CN2051343U Domestic rapid gasified-fuel water heater |
| 01/17/1990 | CN2051342U Rapid electromagnetic water heater |
| 01/17/1990 | CN2051341U Electric water heater in thermos bottle |
| 01/17/1990 | CN2051340U Automatic-control electric-heating kettle |
| 01/17/1990 | CN2051339U Domestic convenient electric wate heater |
| 01/17/1990 | CN2051338U High-efficiency energy-saving water heater |
| 01/17/1990 | CN2051337U Automatic temperature-regulating steam heater |
| 01/17/1990 | CN2051326U Long-span self-locking rear arch |
| 01/17/1990 | CN1038875A Synthetic gas cooler with thermal protection |
| 01/16/1990 | US4893610 Liquefied petroleum gas and electric water heater |
| 01/16/1990 | US4893609 Wind-resistant outdoor heating appliance |
| 01/16/1990 | US4893570 Combustion furnace |
| 01/10/1990 | EP0350388A1 Hot water generator |
| 01/10/1990 | EP0349689A1 Water heating apparatus |
| 01/10/1990 | CN2050952U Power saving boiler |
| 01/10/1990 | CN2050951U Domestic electronic shower bath appliance |
| 01/10/1990 | CN2050950U Water heating coal stove |
| 01/09/1990 | US4893113 Gas alarm and detoxification heating systems |
| 01/04/1990 | DE3822238A1 Boiler with a tubular heating-gas flue |
| 01/03/1990 | EP0348850A1 Synthetic gas cooler with thermal protection |
| 01/03/1990 | CN2050568U Normal pressure hot water boiler |
| 01/03/1990 | CN2050567U Fast electrical heater |