| Patents for F24H 9 - Details (27,146) |
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| 05/09/1989 | US4827901 Filter base for forced air furnace |
| 05/03/1989 | EP0313837A1 Gas heater |
| 05/03/1989 | EP0027112B2 Method and apparatus for regulating the temperature of a heating element in a water heater |
| 05/03/1989 | DE3736107A1 Connecting fitting for a heater (radiator) |
| 05/03/1989 | CN2037047U Linkage adjusting device for water-heater by gas burning |
| 05/03/1989 | CN2037044U Safe and energy-saving heating and hot water supplying device |
| 05/02/1989 | CA1253541A1 Mounting for duty cycle control switch for ceiling mounted ductless heater |
| 04/25/1989 | US4825043 Electric continuous flow heater for liquid containers |
| 04/19/1989 | CN2036262U Air-electric twopurpose heating stove |
| 04/18/1989 | US4822430 Method and apparatus for cleaning boiler burners |
| 04/13/1989 | DE3830606A1 Kessel fuer die warmwasserbereitung Boiler for the water heating |
| 04/12/1989 | CN2035842U Boiler tube-plate cracking-proof structure |
| 04/11/1989 | CA1252367A1 Automatic control system for water heaters |
| 04/06/1989 | DE3731083A1 Installation area in the housing of an apparatus, especially of a gas heating apparatus |
| 04/04/1989 | US4817564 Water heater construction |
| 03/29/1989 | EP0309199A2 Hot water boiling apparatus |
| 03/22/1989 | EP0307789A1 Boiler of passage |
| 03/22/1989 | CN2034669U Gas burner for warming |
| 03/22/1989 | CN2034652U Grate having bars at different levels |
| 03/21/1989 | US4813383 Water heater tank flushing device |
| 03/15/1989 | EP0306978A2 Water heater tank construction |
| 03/14/1989 | US4812619 Electrode boiler and an insulator therefor |
| 03/14/1989 | US4812618 Electrode boiler and an insulator therefor |
| 03/08/1989 | EP0306235A2 Control apparatus for water temperature and water flow rate |
| 02/23/1989 | WO1989001729A1 Time delay circuit for heating appliances |
| 02/21/1989 | US4805662 Hot water heater failure protection device with solenoid |
| 02/21/1989 | CA1250201A1 Thermal baffle for water heaters and the like |
| 02/15/1989 | EP0303395A2 Electrical storage heaters |
| 02/15/1989 | EP0303394A2 Systems for controlling supply of electric current during off-peak supply period |
| 02/15/1989 | EP0303131A1 Heater for coffee machines |
| 02/15/1989 | CN2032690U Anti-checking supporting device for back tube sheet of hot-water boiler |
| 02/09/1989 | DE3725219A1 Flanged fastening |
| 02/09/1989 | DE3725215A1 Connection element for multilayer plate heater element |
| 02/08/1989 | EP0302782A1 Heat-transfer fluid heat exchanger |
| 02/01/1989 | EP0301124A1 Thermal storage furnace system |
| 01/19/1989 | DE3822774A1 Burner-heated sectional boiler |
| 01/10/1989 | US4796569 Furnace boiler and process for the operation of the boiler |
| 01/10/1989 | CA1248421A1 Combination discharge and supply fitting for hot water tank |
| 12/28/1988 | EP0296630A1 Hotwaterheater |
| 12/28/1988 | EP0296276A2 Boiler |
| 12/22/1988 | DE3742561C1 Method for switching off stationary-vehicle heaters |
| 12/22/1988 | DE3719639A1 Electrical window de-icer for a motor vehicle |
| 12/22/1988 | DE3718648A1 Blowing-out device for air heater |
| 12/21/1988 | EP0295967A2 Indirect liquid heating system |
| 12/20/1988 | US4792661 Electric heating apparatus for regulating the temperature of a plurality of liquids |
| 12/20/1988 | US4791888 Water heater tank construction |
| 12/20/1988 | US4791887 Boiler with rotatable heat exchanger |
| 12/15/1988 | DE3818048A1 Control system for an electric instantaneous water heater |
| 12/15/1988 | DE3718592A1 Electric control circuit for a heating element |
| 12/14/1988 | EP0294551A1 Thermal apparatus |
| 12/13/1988 | US4790291 Sediment agitating apparatus for water heater |
| 12/13/1988 | US4790290 Tank assembly |
| 12/13/1988 | US4790289 Sediment agitating apparatus for water heater |
| 12/08/1988 | DE3716000A1 Heating unit |
| 12/06/1988 | US4789407 Contacting with phosphoric acid at specific concentration, time and temperature |
| 12/06/1988 | US4789330 Gas furnace control system |
| 11/30/1988 | EP0292547A1 Control device for heating apparatus having two operation modes |
| 11/30/1988 | EP0292531A1 Electric heating convector with double operation mode |
| 11/29/1988 | US4788413 System including a portable heat gun for curing advanced composite workpieces |
| 11/23/1988 | EP0292416A2 Adjustable supporting leg assembly for cast iron stores or boilers |
| 11/23/1988 | EP0292142A1 Sediment agitating apparatus for water heater |
| 11/23/1988 | CN88204234U Independent hot-blast machine |
| 11/22/1988 | US4786782 Electric instantaneous water heater with enhanced temperature control |
| 11/22/1988 | US4785792 Modular outdoor heating system |
| 11/17/1988 | EP0290833A2 Heating |
| 11/17/1988 | DE3714822A1 Device for heating and simultaneous utilisation of the sensible and latent heat in the flue gas from fuels, the difference between whose gross and net calorific value is at least 3% |
| 11/15/1988 | US4784481 Transmitted and/or incident light microscope |
| 11/15/1988 | US4783896 Method of making cathodically protected water heater |
| 11/10/1988 | DE3809465A1 Sicherheitsventil fuer warmwasserbereiter mit drucktank nebst schlagdaempfervorrichtung fuer diesen Safety valve for water heater with pressure tank together with schlagdaempfervorrichtung for this |
| 11/03/1988 | WO1988008658A1 An electric hot water heater |
| 11/03/1988 | DE3713185A1 Method for regulating a heating installation |
| 11/02/1988 | EP0288757A1 Flanged joint and water heater |
| 10/18/1988 | US4779038 Electric continuous-flow water heater with controllable outlet temperature and electronic power output stage therefor |
| 10/18/1988 | US4777933 Access door construction for a water heater |
| 10/18/1988 | US4777929 Mounting for duty cycle control switch for ceiling mounted ductless heater |
| 10/11/1988 | US4777347 Electric water heating tank with thermosiphonic circulation for improved heat recovery rate |
| 10/06/1988 | DE3709855A1 Boiling water preparer |
| 09/27/1988 | US4773977 Anode mounting construction for a water heater |
| 09/27/1988 | US4773586 Blower control circuit for a furnace |
| 09/21/1988 | EP0282916A2 Water storage heater |
| 09/15/1988 | DE3805441A1 Instantaneous water heater |
| 09/15/1988 | DE3714929A1 Electrical protective circuit for a tubular heater |
| 09/15/1988 | DE3707347A1 Hot-water radiator (heater) |
| 09/14/1988 | EP0281995A2 Electrical continuous-flow heater |
| 09/13/1988 | US4770340 Boiler air flow controlling apparatus |
| 09/08/1988 | DE3718115C1 Boiler |
| 09/08/1988 | DE3705463A1 Radiator screw joint |
| 09/06/1988 | US4769151 Heater control for liquid flowing through a chamber |
| 08/24/1988 | EP0138918B1 Device for fixing the upper part of a casing |
| 08/24/1988 | EP0110959B1 Electric fluid flow heater having precise temperature control |
| 08/23/1988 | US4765360 Water heater leak collector |
| 08/17/1988 | EP0278270A2 Gas-fired water heater with a closed combustion chamber |
| 08/17/1988 | EP0141825B1 Heat exchanger |
| 08/11/1988 | DE3702886A1 System for heating a building |
| 08/04/1988 | DE3704062A1 Device for performing the testing of safety temperature cutouts for heat generators |
| 08/04/1988 | DE3702021A1 Boiler |
| 08/04/1988 | DE3701869A1 Receptacle arranged in a jacket with interposition of heat insulation |
| 08/04/1988 | DE3701741A1 Dip bath heater and/or dip bath temperature regulator |
| 08/04/1988 | DE3616480A1 Circuit for carrying out the method for an electrical load which is supplied from a three-phase voltage source |
| 08/03/1988 | EP0276652A2 Thermal device for production of heating water and/or domestic water |