|
US1878105A
|
|
Means for burning combustibles with improved calorific efficiency
|
|
US1768563A
|
|
Method and means for flow metering
|
|
US1843442A
|
|
Metering and recording the flow of fluids
|
|
US1480661A
|
|
Differential-pressure responsive device
|
|
US1559547A
|
|
Pressure-responsive device
|
|
US1510758A
|
|
Art of regulating combustion of fuel
|
|
US1247215A
|
|
Method of effecting and regulating combustion in furnaces.
|
|
US1094116A
|
|
Fluid-cushion valve or other regulating mechanism.
|
|
US1150097A
|
|
Regulation mechanism.
|
|
US1098935A
|
|
Method for controlling combustion.
|
|
US939470A
|
|
Fluid-pressure regulator.
|
|
US905644A
|
|
Automatic regulating mechanism for secondary combustion.
|
|
US1247216A
|
|
Automatic regulating mechanism.
|
