Matches 1 - 19 out of 19


Match Document Document Title
7967008 Fireplace combustion system  
A fireplace system having a fireplace cavity and a secondary combustion assembly disposed adjacent to a rear wall of the fireplace cavity. The secondary combustion assembly includes a plurality of...
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...
6026805 Heating apparatus  
A vent-free, gas fireplace for providing heat, light, and an aesthetic view includes an outer shell arranged with a top panel, front panel, rear panel, and left and right side panels and a...
5915375 Fireplace with direct vent and sloped top wall  
A direct vent gas fireplace has a combustion air duct extending down the back wall, between the housing back wall and the fireplace back wall. It is located laterally between two cooling air ducts...
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...
5738084 Ventless patio fireplace  
An unvented patio fireplace comprises a fireplace housing that has a front panel configured like an in room fireplace, and which fireplace housing is mounted onto a pedestal and base support for...
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...
5617842 Fireplace with outer housing cooling system  
A fireplace with a cooling air passageway within the fireplace housing that maintains the forward portion of the housing top wall cool during operation. The fireplace includes a combustion...
5485830 Modular fireplace with interchangeable burner assembly and heat exchange insert  
A gas fireplace assembly for connection to a venting system comprises an outer shell for installation in the interior space of a building with the venting system extending into the outer shell. A...
5339797 Fireplace and method for cooling same  
A fireplace having a bottom wall, inner top wall, two side walls and rear wall defines a combustion chamber having a front opening. An outer top wall is disposed above the inner top wall. 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...
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...
5224650 Fireplace furnace heating system  
A fireplace furnace heating system for a structure having a firebox for combustion of fuel, preferably coal. A heating unit is disposed proximately to, and preferably surrounds the firebox....
5191877 Insertable gas conversion unit  
An insertable gas conversion unit for insertion into existing wood burning fireplaces comprises an insertable gas fireplace conversion unit having a fire box combustion chamber and a gas burner...
5076254 Direct vented multi glass side fireplace  
A zero clearance fireplace of the type adapted to be installed against an outside wall of an interior space or room to be heated is provided with six walls which comprise four substantially...
4301784 Fireplace insert  
An apparatus for improving the thermal efficiency of an existing fireplace is disclosed. The apparatus generally comprises a convection chamber having an open front and top, a bottom, a rear wall,...
4026264 Portable fireplace heating unit  
A portable heating unit which may quickly and easily be installed in an existing fireplace construction is described. The heating unit, with a controlled adaptable damper system, greatly increases...
RE10610 Title is not available  

Matches 1 - 19 out of 19