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6029654 |
Vented fireplace construction
A vented wood or gas-log fireplace is formed from a sheet metal member bent to form side and rear panels. A pair of spaced apart sheet metal plates are connected between the side panels and have...
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6003507 |
Gas heater having firebox with controllable outside air mixing vent
A fireplace has a firebox with a controllable outside air vent to provide a source of cooler air for mixing with and modulating the temperature of the air heated by the fireplace. The air vent is...
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5967139 |
Gas burning fireplace unit with damper
A gas fireplace unit has a combustion chamber in which a gas burner is provided as a heat source, and the gas fireplace unit has a heat exchanger on an upper wall of the combustion chamber. A first...
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5901701 |
Unvented fireplace construction
An unvented gas-log fireplace is formed from a sheet metal member bent to form side and rear panels. A pair of spaced apart sheet metal plates are connected between the side panels and have rear...
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5626127 |
Clean face air circulating fireplace
A fireplace including a heat exchanger beneath the combustion chamber floor. The front panel or surround of the fireplace housing includes a central opening which accesses the combustion chamber....
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5347983 |
Draft hood attachment device
A novel draft hood for mounting on top of a gas conversion unit to form an adaptor and coupler between the gas conversion unit and a chimney includes a box structure having a guide flange and a...
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5313932 |
Hood for fireplace
A fireplace has a manifold positioned between a combustion chamber and a flue. The manifold has a pair of inlets to supply dilution air to the flue, one extending from a front face of the...
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5009220 |
Safety enclosure for coal, gas or wood-burning fireplace
A reduced clearance system, or heat shield, for a coal, gas or wood burning fireplace having a cast iron surround, a hood and a grate, said heat shield including a sheet metal box, preferably a...
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4947826 |
Chimney and fireplace construction
Elongated, vertical air chambers having an open upper end and a closed lower end are located within or attached to the walls of a fireplace, where the upper ends open only into the interior of the...
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4878483 |
Plate heat exchanger and heating stove with the plate heat exchanger
Heating stove which permits essentially two modes of combustion: (a) upwards combustion i.e. with combustion air entering from beneath the grates. (b) downwards from the combustible material i.e....
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4361131 |
Circulating-air heating stove with exit air heat extractor
A circulating air wood burning heating stove/fireplace combination has a combustion chamber for burning fuel. The combustion chamber is in the form of a shell defined by inner walls of the stove...
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4230092 |
Method and apparatus for improvements in convective heating
The efficiency of a convective heating system employing an elongate firebox is dramatically increased by, inter alia, increasing combustion zone volume to approach that of the firebox and...
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4191162 |
Energy saving air-flow heater
The within invention comprises a stove unit or fire box to be used to heat the inside of buildings. It is particularly designed to be used inside the hearth of fireplaces. It has slots and openings...
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4161171 |
Sliding fireplace andirons
A set of fireplace andirons are slidable with respect to the fuel (log) supports. The unit may be formed integrally with a fireplace structure or as a separate distinct assembly. The sliding anvils...
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4141336 |
Fireplace stove
A fireplace stove that is quickly and easily installed in a conventional fireplace with little or no modification of the fireplace or chimney comprises a firebox that is shaped and dimensioned to...
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4096849 |
Fireplace unit with sloping bed plate
A fireplace unit wherein room air is circulated under the firebox bed plate has the bed plate sloped upwardly toward the rear to assist in convective flow of the room air. To accommodate ash...
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3998203 |
Air heater for fireplaces
An air heater for installation in a fireplace located in a room to be heated having a lower metalic portion having a hollow back wall surmounted by a flue portion also having a hollow back wall...
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3538909 |
PRE FAB FIREPLACE LINER
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