Matches 1 - 50 out of 152 1 2 3 4 >
Match Document Document Title
6848441 Apparatus and method for cooling a surface of a fireplace  
A fireplace including a combustion chamber enclosure with an opening and an inner pane positioned to at least partially cover the opening of the combustion chamber. An outer pane is spaced apart...
6769426 Indoor-outdoor fireplace  
A fireplace for concurrent use inside and outside of a structure includes a combustion chamber enclosure defining a combustion chamber, an inside opening, and an outside opening, wherein the...
6588419 Fireplace insert thermally generating electrical power useful for operating a circulating fan  
A fireplace appliance for warming room air without line electrical connection has a high efficiency thermoelectric generator having a heat-rejecting surface connected to a heat sink. The generator...
6488024 Wood heater  
A combustion system for burning firewood including a combustion chamber defined by front, rear and side walls, a ceiling and a bottom. An access door is provided for addition of fuel into the...
6145502 Dual mode of operation fireplaces for operation in vented or unvented mode  
A novel dual mode of operation gas fireplace of the type having a combustion chamber box and a heat exchanger is provided with a burner in the bottom of the combustion chamber box which creates...
6116232 Gas fireplace insert  
A gas fireplace insert structure having a firebox formed to direct flue gases reaching the upper section thereof through a folded path to flow forward and upwardly and then return rearwardly to an...
6029655 Modular gas fireplace insert  
A gas fireplace insert for inserting into existing solid fuel fireplaces is made into modules that are separable for installation and can be later assembled together. A housing module which...
5947112 Prefabricated fireplace exhaust plenum structure  
A novel wood/gas burning fireplace is provided with an open box shaped outer housing. A combustion chamber is mounted inside said housing having a plurality panels that are juxtaposed the panels of...
5906197 Gas fireplace  
A vent free gas fireplace comprises a housing and a firebox within the housing spaced-apart from the housing walls to provide top, bottom, rear and side plenums. The side plenums are divided into...
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...
5782231 Direct vent fireplace  
A gas burning direct vent fireplace having an outer casing within which a firebox is mounted. The sides of the firebox are secured to the sides of the casing so that the bottom of the firebox is...
5752500 Draft hood locating device for combustion apparatus  
A draft hood is provided for mating alignment with a fireplace assembly. The mating alignment is facilitated by the location of alignment hardware fixed to the rear surface of the fireplace and to...
5701882 Fireplace with ceramic fiber duct  
A fireplace having a low density ceramic fiber duct with a first duct portion which promotes secondary combustion of unburned products of combustion and a second duct portion which removes products...
5673683 Induced draft fireplace  
The invention is directed to an induced draft fireplace including a plurality of outer walls defining an outer housing. The outer walls include at least one outer side wall and an outer top wall. A...
5655514 Fuel-fired fireplace insert with integral combination draft hood and heat exchanger structure  
A fuel-fired fireplace insert has a compact combination heat exchanger/draft hood structure extending interiorly along its top side and opening outwardly through an upwardly extending flue gas...
5647342 Gas operated fireplace assembly  
A gas operated fireplace assembly is comprised of a plurality of modular components, including a casing, firebox, burner module and combustion air-intake module. The casing has an open front and is...
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....
5611331 Fireplace  
A fireplace, comprising an inner jacket and an outer jacket defining an air circulation path therebetween, is provided with a smoke chamber convection wall and a baffle convection wall oriented so...
5603312 Direct vent wood burning fireplace  
The invention is directed to a balanced flue or direct vented, solid fuel burning fireplace which may be installed in a building and is operable at energy input levels greater than 75,000 BTU/hour....
5482028 Modular fireplace insert with movable manifold  
A fireplace insert for a fireplace cavity formed in a building with a fresh air inlet and a combustion gas outlet. The insert includes an enclosure dimensioned to be insertable within the fireplace...
5392760 Direct vent fireplace  
A gas fireplace comprising a housing adapted to be located in a building. There is a first conduit in the housing to act as an air inlet. In insert is received within the housing. A second conduit...
5357941 Refractory baffle insert for fireplace  
There is disclosed a refractory baffle for use in a fireplace which dispenses, via apertures provided therein, preheated combustion air over the central combustion zone of the fireplace. The...
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...
5299558 Modular fireplace insert  
A fireplace insert for a fireplace cavity that includes a venting passage comprising an enclosure dimensioned to be insertable within the fireplace cavity and fill substantially the entire cavity...
5263471 Solid fuel clean burning zero clearance fireplace  
A high efficiency clean burning fireplace for burning solid fuels at pyrolytic temperatures is provided with refractory walls maintained about 1100° Fahrenheit at different burning rates. A top...
5092313 Gas log fireplace with high heat output  
A gas log fireplace includes a firebox which defines a combustion chamber, a gas burner located within the firebox, an artificial log set, a log support member positioned on the gas burner, a heat...
5054468 Unvented gas-fired fireplace heater  
An unvented fireplace heater assembly for directing heated air into an enclosure such as a room. The fireplace heater includes a combustion chamber mounted in spaced relation in enclosing panels. A...
5052311 Zero-clearance firebox  
A zero-clearance firebox with a much simplified construction enables efficient air exchange directly through one opening in which solid combustible materials are placed. The firebox has a metal...
5016613 Fireplace top wall assembly and cooling system  
A fireplace and top wall assembly is disclosed. The top wall assembly includes primary and secondary aligned flue outlet assemblies that form between them a primary air conduit and a secondary flue...
5014684 Wall shield and chimney support  
An improved wall shield and chimney support (WSCS) unit adapted to fit flush within the wall of a dwelling is disclosed. The WSCS unit includes ducts for ducting cooling air entirely around the...
5009219 Heating device  
The invention relates to a heating device. A first object of the invention is to embody a heating device with a combustion space having at least one free side, such as an open hearth, or optionally...
4971030 Gas-fired artificial log stove assembly  
The present invention relates to a gas-fired artificial log stove assembly, and more particularly to a gas stove assembly which visually simulates, in a realistic fashion, a traditional fire in a...
4964397 Fireplace construction  
In a fireplace unit having an open sided firebox formed by opposed side walls, a top wall, a bottom wall, a rear wall, and a connection in the top wall to an exhaust flue, the present improvement...
4964396 Fireplace restoration unit  
The unit restores existing, masonry fireplaces without entailing dismantling of the latter. A heating jacket base, heating jacket, smoke chamber and flue lining are set into the existing firebox,...
4909227 Direct top venting high efficiency fireplace  
The fireplace has a coaxial vent directly venting the exhaust gas through its top. The fresh air is directed through an outer jacket of the coaxial vent to a chamber located between the firebox and...
4883044 Fireplace assembly  
The assembly is adapted for installation as a free standing unit, a fireplace insert or a whole masonry fireplace. It comprises a primary combustion chamber, similar to a traditional fireplace,...
4878478 Wood burning stove  
A stove with a continuously open draft provides a fire chamber peripherally configured to cause circular motion of burning gases therein to provide substantially complete combustion of fuel. A...
4793322 Direct-vented gas fireplace  
A zero clearance fireplace of the type to be installed inside of a building against or near an outside wall is provided. The box shaped fireplace is provided with four substantially vertical walls,...
4787365 Double walled fireplace insert and method for loading from the outside  
A double walled fireplace insert is shown with an inner firebox and an outer shell to provide convection air channels between the parallel walls of the inner and outer units. A front panel is...
4688545 Stove  
Stove for burning solid fuels, particularly wood. The stove has a pedestal which has a primary air inlet and an ash drawer; an upright rectangular main housing which is divided internally into a...
4683868 Wood burning stove having glass cleaning system  
A wood stove with glass panels for viewing of the fire therein includes a glass cleaning system with a number of features which in combination effectively prevent soot and creosote buildup. A...
4653467 Heaters  
This invention relates to improvements in heaters and more particularly to fireplace insert heaters. The invention relates to a cabinet for such heaters which provides a removable panel which is...
4653464 Portable heating unit  
A portable heating unit has a heating chamber which is disposed within a housing so substantially all of the exterior thereof is displaced inwardly from that housing to define an air space. Air...
4607612 Fireplace furnace  
A furnace insert (10) for an enclosed fireplace is disclosed. Furnace (10) includes an outer housing (11) and an inner housing (50) which define a firebox (11A). A plurality of tubular steel ducts...
4607611 Solid fuel heating device  
There is provided an improved heating device which utilizes a standard forced air solid fuel burning stove enclosd in a metal box and surrounded by a layer of thermal insulation. A metal shield...
4601280 Fireplace insert  
An improved double walled prefabricated fireplace apparatus insertable into a pre-existing masonry fireplace in a building for heating a room. The apparatus is provided with an air manifold within...
4583516 Fireplace insert  
The invention relates to a fireplace insert having unique characteristics of a fiberglass insulated twin wall construction engineered to work on the principle of air convection. Cold air is drawn...
4574773 Fireplace hearth  
The hearth includes a hood composed on the one hand of a first screen 5b extending obliquely from the top of the hearth opening towards the rear and on the other hand a second screen 19 extending...
4562826 Heat exchanger for fireplaces with zig-zag path of the flames  
A heat exchanger for a fireplace comprises a tubular grate, a double-walled rectangular, vertical, flat panel located at the back of the fireplace at right angles with the grate tubes, two flat...
4558688 Fireplace-heater with full recovery of hot air  
An improved, full hot air recovery, fireplace-heater is disclosed, wherein the flue gases are forced to follow obliged paths through exchange chambers before being exhausted to the outside. The...
Matches 1 - 50 out of 152 1 2 3 4 >