|
US2499523A
|
|
Air circulator control for heating units
|
|
US2463830A
|
|
Vaporizing unit for retort burners
|
|
US2363099A
|
|
Burner for fuels containing tetraethyl lead and other objectionable foreign matter
|
|
US2344947A
|
|
Draft regulator
|
|
US2387939A
|
|
Floor furnace
|
|
US2401502A
|
|
Heating unit
|
|
US2397766A
|
|
Portable stove
|
|
US2363098A
|
|
Burner for fuels containing tetraethyl lead
|
|
US2407375A
|
|
Furnace assembly
|
|
US2392541A
|
|
Floor furnace
|
|
US2332736A
|
|
Oil burning heating unit
|
|
US2365092A
|
|
Safety fuel cutoff for heating appliances
|
|
US2349876A
|
|
Air intake governor for heating devices
|
|
US2341806A
|
|
Door for floor furnaces and like heating appliances
|
|
US2367038A
|
|
Control apparatus for fuel burning appliances
|
|
US2302235A
|
|
Furnace
|
|
US2386437A
|
|
Heater unit for air circulating heaters
|
|
US2324862A
|
|
Floor furnace
|
|
US2294615A
|
|
Self-heating flatiron
|
|
US2294614A
|
|
Flatiron
|
