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