Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7258116 | Bottom venting fireplace system A fireplace having a bottom venting arrangement is disclosed. The fireplace includes a firebox having a burner and a combustion chamber. Fumes produced by burning of gas at the burner are pulled into an upper exhaust plenum in the upper portion of the firebox. The u... | 08/21/2007 |
| 7111623 | Heat deflecting baffle for direct vent fireplace A direct vent fireplace includes a heat deflecting baffle comprised of a base member attached to the front top edge of the fireplace and an extension member telescopically attached to the base member. Each end of the extension member includes a vertical flange with ... | 09/26/2006 |
| 7066170 | Apparatuses and methods for balancing combustion air and exhaust gas for use with a direct-vent heater appliance A combustion air and exhaust gas balancing system for use with a direct-vent heater appliance. The balancing system includes a combustion air valve in fluid communication with a combustion air duct and an exhaust gas valve in fluid communication with an exhaust gas ... | 06/27/2006 |
| 7004751 | Gas burner assemblies, methods for assembling, and gas fired appliances employing same A gas burner assembly includes in one embodiment a top plate having at least one port for discharging fuel and a downwardly-depending, peripheral edge having a plurality of spaced-apart slots, and a bottom base having a peripheral edge disposed within the downwardly... | 02/28/2006 |
| 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 from the inner pane, the outer pane and the inner pane creating a space... | 02/01/2005 |
| 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 combustion chamber is viewable from the inside of the structure through the... | 08/03/2004 |
| 6705310 | Wood burner with improved emissions A wood burner includes a wrapper. A firebox is positioned in the wrapper that defines a combustion chamber. An air inlet is placed in communication with an external air supply. The air inlet includes a conduit to conduct the external air to the combustion chamber an... | 03/16/2004 |
| 6601579 | 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 combustion chamber is viewable from the inside of the structure ... | 08/05/2003 |
| 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 has a heat-receiving surface facing the site where a firep... | 07/08/2003 |
| 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 combustion chamber. A substantial amount of combustion air ente... | 12/03/2002 |
| 6216684 | 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 combustion chamber. A substantial amount of combustion air ente... | 04/17/2001 |
| 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 exhaust gasses to be passed out of the combustion chamber box... | 11/14/2000 |
| 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 exhaust opening, and a casing formed to provide a room air... | 09/12/2000 |
| 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 includes a combustion chamber supports a separable module compris... | 02/29/2000 |
| 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 the outer housing so as to provide an open wall at the bo... | 09/07/1999 |
| 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 upper and lower side plenums. Room air enters the lower sid... | 05/25/1999 |
| 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 edges spaced from the rear panel. The rear edges of the plat... | 05/11/1999 |
| 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 spaced above the floor of the casing without the need for su... | 07/21/1998 |
| 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 the inside of the draft hood. In use the hardware permits ... | 05/19/1998 |
| 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 of combustion from the front of the combustion chamber. T... | 12/30/1997 |
| 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 plurality of inner walls define a combustion chamber. The... | 10/07/1997 |
| 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 outlet and a dilution air inlet disposed on a top front side p... | 08/12/1997 |
| 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 positionable in an enclosure adjacent a room with the ope... | 07/15/1997 |
| 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. Room air inlets and outlets, which are ducted to the heat e... | 05/06/1997 |
| 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 as to efficiently transfer heat from the fire box to the a... | 03/18/1997 |
| 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. An enclosure including a top wall, bottom wall and four s... | 02/18/1997 |
| 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 cavity to define a combustion chamber for generating heat... | 01/09/1996 |
| 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 in the insert aligns with and is received by the first con... | 02/28/1995 |
| 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 refractory material substantially avoids warpage, flame quenchin... | 10/25/1994 |
| 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 fireplace, and the other from a rearward location. A baffle extends... | 05/24/1994 |
| 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 to define a combustion chamber. A passage and an aperture a... | 04/05/1994 |
| 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 wall of the combustion chamber includes an exhaust stack and... | 11/23/1993 |
| 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 exchanger connected to an exhaust gas outlet of the firebo... | 03/03/1992 |
| 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 plenum chamber is disposed in the panels adjacent to the ... | 10/08/1991 |
| 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 inner shell and an outer shell of lighter gage metal incorpor... | 10/01/1991 |
| 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 gas conduit. Both of the conduits are designed to be moun... | 05/21/1991 |
| 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 inner wall of the unit and especially around the front latera... | 05/14/1991 |
| 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 a free-standing heater, such that it possesses a high yield. ... | 04/23/1991 |
| 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 gas-fired stove stacked with horizontally disposed artifici... | 11/20/1990 |
| 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, smoke chamber and flue. Ducting is provided to move heating... | 10/23/1990 |
