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US2077511A
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Switch actuating attachment for motor vehicle clutch pedals
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US1983340A
|
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Automatic cut-off device
|
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US1757951A
|
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Thermostat
|
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US1752727A
|
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Hydrocarbon burner
|
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US1741553A
|
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Hydrocarbon burner
|
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US1729060A
|
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Control means for hydrocarbon burners
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US1719500A
|
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Circulating heater
|
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US1702929A
|
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Process of combustion
|
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US1845999A
|
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Fuel control means for alpha hydrocarbon burner
|
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US1700428A
|
|
Thermostatic valve control
|
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US1743081A
|
|
Oil-burning apparatus
|
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US1629253A
|
|
Means for controlling the combustion of hydrocarbons
|
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US1708690A
|
|
Furnace construction
|
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US1628644A
|
|
Automatic draft regulator
|
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US1660857A
|
|
Fluid-fuel-burning apparatus
|
|
US1634448A
|
|
Isothermal-combustion control for oil-burning heaters
|
|
US1633759A
|
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Thermostatic control for domestic and hot-water heaters
|
|
US1633567A
|
|
Oil-burning furnace and ignition means therefor
|
|
US1633066A
|
|
Oil-burning furnace and thermostatic control therefor
|
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US1609150A
|
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Control device for heating combustible mixtures
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