| Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567) |
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| 09/06/1977 | US4046189 Water heater |
| 08/30/1977 | US4044727 Apparatus for heating a heat transfer fluid protected against overheating |
| 08/30/1977 | US4044726 Circulating water heater |
| 08/23/1977 | US4042984 Automatic bathtub water level control system |
| 08/16/1977 | US4041726 Hot water system |
| 08/09/1977 | US4040823 Sintering, silicon carbide |
| 08/02/1977 | US4039737 Electric immersion heating apparatus and methods of constructing and utilizing same |
| 08/02/1977 | US4039098 Thermal insulation jacket for water heaters |
| 07/26/1977 | US4038519 Electrically heated flexible tube having temperature measuring probe |
| 07/05/1977 | US4033714 Gaseous fuel burners |
| 06/14/1977 | US4029937 Control system for electrically conductive liquid heating apparatus |
| 06/14/1977 | US4029927 Microwave water heater |
| 06/14/1977 | US4029057 Boiler construction |
| 05/31/1977 | US4027172 Resistive fluid detecting means |
| 05/31/1977 | US4026246 Boiler for central heating installations and heat exchange elements for said boiler |
| 05/17/1977 | US4023558 Water heater |
| 05/10/1977 | US4022163 Boiler using combustible fluid |
| 05/10/1977 | US4022162 Boiler having a separable furnace and heat exchanger |
| 04/26/1977 | US4020321 Electric heaters |
| 04/26/1977 | US4019466 Apparatus for radiant heat transfer |
| 04/19/1977 | US4019021 Electric resistance fluid heating apparatus |
| 04/19/1977 | US4018216 Heat exchange apparatus |
| 04/12/1977 | US4017277 Direct contact water heating system and process |
| 03/29/1977 | US4014749 Naphtha to ethylene |
| 03/29/1977 | US4014316 Systems for heating fluids |
| 03/08/1977 | US4010735 Water heater air inlet control |
| 03/01/1977 | US4009749 Thin-walled mold for the continuous casting of molten metal |
| 02/15/1977 | US4007712 Water heater |
| 12/14/1976 | US3997114 High pressure spray cleaning apparatus |
| 12/14/1976 | US3997109 Heat exchange control system |
| 11/30/1976 | US3994281 Heat generator of the combustion product condensation type and process for heating a heat-carrying fluid |
| 11/16/1976 | US3992607 Electrically heated hot water system |
| 10/26/1976 | US3987761 Auxiliary heater for a gas-fired water heater |
| 10/19/1976 | US3986492 Water heater for recreational vehicles |
| 09/28/1976 | US3983359 Electrical fluid heater |
| 09/07/1976 | US3979576 Electric heating element control circuit |
| 08/31/1976 | US3978313 Power regulating arrangement for a three phase electrode-type water heater |
| 08/31/1976 | US3977109 Freezer rail talker |
| 08/24/1976 | US3975819 Method for passing an insulated wire through the inside of ferromagnetic pipe for a heat-generating pipe utilizing skin effect current |
| 08/03/1976 | US3972203 Rotary heat exchanger |
| 07/27/1976 | US3971344 Safety device for instant water heater |
| 07/20/1976 | US3970047 Reduced pressure type steam generator |
| 07/13/1976 | US3968832 Apparatus for controlling the temperature of a heat exchange liquid |
| 07/06/1976 | US3968346 Method and apparatus for electrically heating a fluid |
| 07/06/1976 | US3967590 Heat exchange control system |
| 06/29/1976 | US3967093 Heating apparatus with heat medium vapor |
| 06/22/1976 | US3965047 Electrical resistant fluid-permeable heat generating member and method of producing the same |
| 06/15/1976 | US3962999 Heat transfer fluid heater with continuously flushed vent and drain |
| 06/08/1976 | US3962560 Water heater |
| 05/11/1976 | US3955909 Reduction of gaseous pollutants in combustion flue gas |
| 05/11/1976 | US3955556 Catalytic fluid heater |
| 04/20/1976 | US3952182 Instantaneous electric fluid heater |
| 03/30/1976 | US3946802 Method and apparatus for heat recovery |
| 03/23/1976 | US3946197 Electrode water heating boiler |
| 03/23/1976 | US3945433 Vacuum vaporization apparatus for heating one or a number of separate liquids |
| 03/16/1976 | US3944785 Electrode boiler with automatic control |
| 03/09/1976 | US3943330 Method and apparatus for electrically heating a fluid |
| 03/09/1976 | US3943325 Engine preheater |
| 03/09/1976 | US3942355 Hot water generator and method for shock testing fabricated piping components |
| 03/02/1976 | US3941118 Hot water supply system |
| 02/03/1976 | US3936625 Electromagnetic induction heating apparatus |
| 01/27/1976 | US3934574 Heat exchanger |
| 01/27/1976 | US3934556 Boiler using combustible fluid |
| 01/27/1976 | US3934555 Boiler using combustible fluid |
| 01/20/1976 | US3934117 Electric fluid heating device |
| 01/13/1976 | US3932727 Electrically heated riser pipe for a fluid supply system |
| 01/06/1976 | US3931530 Apparatus for controlling the supply of power to a resistive load |