Patents for F24H 3 - Air heaters having heat generating means (7,733) |
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10/25/1977 | US4055165 Carbonaceous boiler |
10/11/1977 | US4053732 Portable electric room air heater |
08/30/1977 | US4045652 Device for preventing overheating of electric apparatuses |
08/09/1977 | US4040567 Heating unit |
07/12/1977 | US4035610 Furnace cabinet having integral heater and blower assemblies |
07/12/1977 | US4034734 Tubeless heat exchangers |
07/05/1977 | US4034204 Electric heater for warming the interior of a car |
07/05/1977 | US4033320 Furnace and cold air return systems |
05/17/1977 | US4023923 Burner for heating an airstream |
05/10/1977 | US4022573 Hot blast stove and method of operation |
05/03/1977 | US4020822 Multi-fuel forced air furnace |
04/26/1977 | US4019492 Method and apparatus for automatic furnace |
04/19/1977 | US4018982 Housing structure for electrical apparatus |
04/19/1977 | US4018209 Air heater |
04/12/1977 | US4016858 Floor furnace heating system |
02/08/1977 | US4006728 Room heating apparatus using combustion |
01/18/1977 | US4003967 Electric heating and humidifying apparatus |
01/11/1977 | US4002157 Gas turbine heating apparatus |
12/07/1976 | US3995991 Forced air heater |
11/02/1976 | US3989030 Liquid fuel burning heater unit |
11/02/1976 | US3989029 Liquid fuel burning heater for vehicles |
10/12/1976 | US3985115 Hot air furnace |
09/28/1976 | US3982525 Hot air furnace |
09/21/1976 | US3982100 Monolithic honeycomb form electric heating device |
09/21/1976 | US3981291 Heat transfer and conditioning unit |
08/31/1976 | US3977467 Air conditioning module |
08/31/1976 | US3977388 Heating apparatus |
08/31/1976 | US3977185 Apparatus for generating high-temperature and high-pressure gas |
08/03/1976 | US3973101 Electric air heating furnace |
05/11/1976 | US3955552 Heater for large flows at low pressure losses |
03/09/1976 | US3942587 Heat convector for use in buildings |
03/02/1976 | US3941311 Heating unit |
02/03/1976 | US3935855 Air heater, especially for connection to a central heating system |