| Patents for F24H 9 - Details (27,146) |
|---|
| 05/15/1991 | CN2077095U Fully-automatic miniature gas dual-purpose apparatus |
| 05/08/1991 | CN2076655U Water heater using coal gas |
| 05/08/1991 | CN2076654U Energy saving smokeless tea boiler |
| 05/02/1991 | WO1991005977A1 A heat pump system having a refrigerant circuit in the form of an exchangeable unit, and means for effecting such an exchange |
| 05/02/1991 | DE4008329C1 Electric water heater - has resistance heater embedded in electrically insulating material, esp. magnesium oxide |
| 05/02/1991 | DE3934837A1 Valve fitting for single tube radiator - has gravity blocking tube projecting upwards from vertical bottom connection into horizontal base tube |
| 05/01/1991 | WO1991006813A1 Boiler heated by liquid or gaseous fuel |
| 05/01/1991 | CN2076219U Automatic continuous gas water boiling device |
| 05/01/1991 | CN2076218U High-efficiency tea boiler |
| 05/01/1991 | CN2076217U Cast-iron hot-water boiler |
| 05/01/1991 | CN1051079A Energy-saving heating-conduction oil stove having single-channel and using gas fuels partly |
| 05/01/1991 | CA2044282A1 Boiler capable of burning liquid or gaseous fuel |
| 04/30/1991 | US5011916 Preparation of 99m Tc radiopharmaceuticals |
| 04/30/1991 | US5011073 Control to operate a forced air blower |
| 04/25/1991 | DE3935196A1 Plate heater with regulating valve - is connected to pipe, and has return connection and initial connection |
| 04/24/1991 | EP0166746B1 Preparation of ?99m tc radiopharmaceuticals |
| 04/23/1991 | CA1283332C Food processing water heater and steam generator |
| 04/17/1991 | CN2075323U Blasting type gas water heater |
| 04/17/1991 | CN2075322U Energy saving water boiling device with arto-control cool and heat |
| 04/17/1991 | CN2075321U Water heating stove with dual-face focusing and repeating burning |
| 04/17/1991 | CN2075320U Vertical boiler with double-layer grate |
| 04/17/1991 | CN2075319U Water heating boiler using briquet with pushing combined and saperated moving grate |
| 04/16/1991 | CA1283008C Heating bodies for gas water heaters |
| 04/10/1991 | CN2074890U Improved safety device gas water-heater |
| 04/10/1991 | CN2074889U Fire-cutting off alarm device for gas burning fast water heater |
| 04/10/1991 | CN2074888U Shaped coal oil transmission high-temp., energy-saving stove |
| 04/10/1991 | CN2074887U Waste heat recovery and reuse device |
| 04/10/1991 | CN2074886U Pressureless boiler for railway coach continuous drinking water supply |
| 04/09/1991 | US5007103 Automatic shut-off and alarm for electric heater |
| 04/09/1991 | CA1282668C Safety valve |
| 04/09/1991 | CA1282654C Boiler hydraulic column choke and reamer with burner control protection against a low water condition |
| 04/03/1991 | CN2074434U Bituminous coal-fired smokeless boiler for boiling water, taking a bath and heating |
| 04/02/1991 | CA1282315C Fuel operated vehicle heater |
| 03/27/1991 | CN2073999U Horizontal high-efficiency hot-blast stove |
| 03/27/1991 | CN2073997U Quick and safety electric water heater |
| 03/27/1991 | CN1050259A Anthracite briquette automatic inversion constant temp. boiled water syove |
| 03/20/1991 | EP0418159A1 Immersion heater for heating natural water, especially immersion heater with a heating element to be inserted through a wall |
| 03/20/1991 | EP0417309A1 Fan heater controller |
| 03/20/1991 | CN2073567U Pressureless operated arrangement for hot-water boilers |
| 03/20/1991 | CN2073566U Water supply device with gas heaters |
| 03/20/1991 | CN1050084A Self-controlled device for boiling water |
| 03/07/1991 | DE3928535A1 Central heating boiler in building - has integral channel inside jacket leading from return to point adjacent to flow |
| 03/06/1991 | CN2072662U Multi-functional stove for tea-water and bath |
| 02/27/1991 | EP0414356A2 Combined cooker/boiler. |
| 02/27/1991 | EP0201573B1 Process for the stepped adjustment of the electric power occurring on a resistance connected to voltage over a switch, and circuit arrangement for implementing the process |
| 02/27/1991 | CN1049555A Electric water heater with electro-magnetic valve controlled feed |
| 02/27/1991 | CN1049554A Energy-saving free of smoke range for tea curing |
| 02/26/1991 | US4995415 Partially flooded gas appliance safety shut-off method and apparatus |
| 02/25/1991 | WO1991002924A1 Pulsatory burner |
| 02/25/1991 | CA2064241A1 Pulsatory burner |
| 02/20/1991 | EP0413535A1 Improved apparatus and method for heating water |
| 02/20/1991 | CN2071770U Pipe frame type back-combustion hot-water boiler |
| 02/19/1991 | US4993368 Boiler tube structure |
| 02/12/1991 | CA1280046C Housing for a multi-function appliance |
| 02/06/1991 | CN2070889U Rotating smoke eliminating tea boiler using briquette |
| 02/05/1991 | US4990748 Apparatus for heating gases |
| 01/30/1991 | CN2070427U Three-chamber normal pressure multi-purpose hot water boiler |
| 01/30/1991 | CN2070425U Al combined plate type hot-tube electric heater |
| 01/30/1991 | CN2070424U Water/fire tube pot type boiler |
| 01/29/1991 | US4988406 Insulation device and method of making same |
| 01/24/1991 | DE3923392A1 Through-flow electric water heater - has three=way valve at junction between parallel hot and cold flows |
| 01/23/1991 | EP0409738A1 Back draught security device for flue breaker in a boiler with atmospheric burner |
| 01/23/1991 | CN2069986U Household water heating stove cover |
| 01/17/1991 | DE4021250A1 Heat exchanger tube with steel core - has cast-iron fins cast in situ around core to make composite tube |
| 01/16/1991 | CN2069542U Domestic boiler safety valve |
| 01/16/1991 | CN2069541U Energy-saving dust-proof tea boiler |
| 01/15/1991 | US4985106 Insulation structure for appliances |
| 01/09/1991 | CN2069091U Vertical boiling water boiler using hand and reciprocuting charging-up coal |
| 01/09/1991 | CN2069090U Vertical steam boiler using no blower |
| 01/09/1991 | CN1048446A Thermal deoxidization technique for hot water boiler and the device thereof |
| 01/03/1991 | DE3920079A1 Throughflow electric water heater - has pressure responsive switch coupled to capillary space of heating wire providing overheating cut=out |
| 01/02/1991 | EP0406181A1 Protected multi-functional thermoelectrical apparatus for generating a jet of hot air |
| 01/02/1991 | EP0406173A2 Boiler |
| 01/02/1991 | EP0405014A1 Safety device for boilers |
| 01/02/1991 | CN2068664U Water storage electrothermal apparatus |
| 01/02/1991 | CN2068663U Vertical hand reciprocatable coal-feeding hot blast boiler |
| 01/02/1991 | CN2068661U Reverse flame phase-change heat-transfer pipe air boiler |
| 01/02/1991 | CN1048261A 液化石油气和电热水器 Liquefied petroleum gas and electric water heaters |
| 01/01/1991 | US4981112 Potable hot water storage vessel and method of manufacture |
| 12/27/1990 | WO1991000481A1 Heating boiler |
| 12/27/1990 | CA2033988A1 Boiler |
| 12/26/1990 | CN2068217U Vertical single grate combined desmoking boiler |
| 12/26/1990 | CN2068216U Non-smoke hot water and heating boiler |
| 12/26/1990 | CN2068215U Hot pipe formed-coal furnace for water and shower |
| 12/20/1990 | DE3919815A1 Pedestal with connection stage for electric water heater - provides access to power supply and water connections and heating element on underside of water container |
| 12/19/1990 | CN2067808U Butterfly piece type temp controller |
| 12/19/1990 | CN2067807U Flyash-eliminating and dust-removing boiler |
| 12/18/1990 | US4978833 Hot water dispenser having improved water temperature control system |
| 12/18/1990 | US4978821 Reverse flow prevention device for combustion apparatus |
| 12/13/1990 | WO1990015292A1 Device for central control of water, heat and electricity distribution in a house |
| 12/12/1990 | EP0401237A1 A heat installation for premises with water as a heat transmitting medium. |
| 12/12/1990 | CN2067389U Lack-of-oxygen protector for constant value type twin thermocouple water heater |
| 12/12/1990 | CN2067388U Small-size coal-combustion hot-air furnace |
| 12/12/1990 | CN2067387U Smokeless coal-saving boiling water supply boiler |
| 12/12/1990 | CN2067386U Smoke-elimilating coal briquet hot-water supplying stove |
| 12/12/1990 | CN2067385U Multifunction small-size coal-saving stove |
| 12/05/1990 | CN2066957U Storage bottom burning castiron boiler for hot water and heating |
| 12/05/1990 | CN2066956U Fully automatic gas hot water stove |
| 12/05/1990 | CN2066954U High efficient water heating stove |
| 12/05/1990 | CN1047563A Lukewarm water boiler using solid coal and automatic control apparatus thereof |