One piece adjustable damper

Operating mechanism for fireplace damper

Overfire air tube damper for boiler and method for...

Positive damper adjustment device and methods of making and usin

Remote fireplace damper control

Safety stovepipe damper assembly

Sector control wood-type fuel burning furnace

Self-regulating open fireplace

Self-tapping duct fitting

Sleeve damper apparatus

Solid fuel heater with blowback prevention means

Stack damper valve

Stove construction

Stove damper assembly

Stove having auxiliary damper operably connected to access door

Stove having nonescaping smoke

Stove with catalytic converter

Stove with catalytic converter

Thermostat for stoves

Valve for furnace stack pipe