| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 126512000 | Fluid fuel | 35 |
| 20080295823 | DIRECT VENT FIREPLACE INSTALLATION - A direct vent fireplace installation assembly is provided that includes a furniture unit having an enlarged receptacle well above the ground, and a direct vent fireplace unit positioned in the receptacle of the furniture unit. The fireplace unit has a firebox contained in an outer housing, a burner assembly in the firebox, and a contoured surround positioned in and spaced apart from walls of the firebox. A chimney is coupled to the firebox. In one embodiment, the fireplace unit is mounted in a receptacle in a wall structure positioned above the floor, at approximately eye level. It is emphasized that this abstract is provided to comply with the rules requiring an abstract. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims [37C.F.R. 1.72(b)]. | 12-04-2008 |
| 20090032013 | Preformed fireplace capable of venting vertically or horizontally - A gas fireplace is provided including a first housing having a first upper wall, and a second housing within the first housing having a second upper wall spaced apart from the first upper wall and defining a space there between. A combustion chamber is defined within said second housing. The fireplace further includes an elbow flue for the exhaust of gases generated in the fireplace. The elbow flue is coupled to the second upper wall and extends within the space. The elbow flue is rotatable relative to the upper walls about a vertical axis. | 02-05-2009 |
| 20090205633 | SIMULATED FIRE GLOW LIGHTS FOR FIREPLACE - A fireplace has an arrangement for providing a simulated ember glow using lights projected through colored light transmitting material, such as glass. The arrangement includes a panel that is supported relative to a burner with a light below the panel that projects upwardly through the panel. A bed of colored light transmitting pieces is supported on the panel, which transmits light projecting through the panel to simulate glowing embers. The colored pieces are coated with a dark material to enhance the simulation of embers even when the lights are turned off. | 08-20-2009 |
| 20090241936 | ETHANOL-BURNING HEARTH APPARATUS - An apparatus having a substantially air-sealed, transparent, front through which a flame within the firebox may be viewed. The apparatus may include a burner configured to hold and burn a liquid fuel and positioned so as to cause a flame from the burning fuel to appear within the firebox. The liquid fuel may be ethanol. The apparatus may include an igniter that has a user-operated igniter control that may be operated by a user from outside of the firebox that, upon operation, causes the liquid fuel within the burner to be ignited. The apparatus may include an extinguisher that has a user-operated extinguisher control that may be operated by a user from outside of the firebox that, upon operation, causes the flame to be extinguished. The apparatus may include a fuel inlet located outside of the firebox, and a fuel channel between the fuel inlet and the burner. A fuel tank may also be provided. | 10-01-2009 |
| 20100154779 | Gas feature and method - Gas fire devices are provided that produce a swirling flame by passive means using the kinetic energy of gas exiting through burner ports located in a burner and the kinetic energy of air drawn through louvers or flaps radially positioned on the base of a plenum. Situated above the burner and plenum is a chimney, which surrounds the flame and may be a translucent or transparent material to help observers better see the flame. | 06-24-2010 |
| 20100170496 | LIGHTING EFFECTS IN A HEATING APPLIANCE - A fireplace includes a first enclosure defining a combustion chamber and having a front that allows viewing within the combustion chamber, one or more back panels opposite the front, a plurality of side panels, a top panel, and a bottom panel. At least one of the one or more back panels and plurality of side panels includes a plurality of optically transmissive regions. A second enclosure includes a plurality of panels that are secured together to surround the plurality of side panels. A flame-generating element is disposed within the combustion chamber adjacent the bottom panel and is adapted to generate a flame. A lighting assembly between the first enclosure and the second enclosure is operable to project light onto portions of the second enclosure facing the first enclosure to passively illuminate an interior of the combustion chamber through the plurality of optically transmissive regions. | 07-08-2010 |
| 20100242947 | Locked cartridge fireplace firebox - In accordance with the present invention a cartridge fireplace firebox that is simple and inexpensive to manufacture, has trapezoidally shaped top and bottom walls, a backwall and sidewalls that are lined with high gloss material such as high gloss ceramic tile, a perforated metal shelf that holds both a simulated logset and one or more alcohol fuel cartridges, and a top hinged, self closing, single panel, nearly transparent wire screen front door that can be locked. | 09-30-2010 |
| 20100326422 | HEATING APPARATUS WITH AIR SHUTTER ADJUSTMENT - A heating apparatus can have a sealed combustion chamber. A burner and an air shutter can be within the sealed combustion chamber. An air shutter control can be outside of the sealed combustion chamber. The air shutter control can provide fine tuning adjustment of the air shutter. | 12-30-2010 |
| 20110005510 | Fire Grate for Enhanced Combustion - An improved fire grate may provide fresh oxygen rich air to a secondary combustion zone, created by the improved fire grate, of a combustion chamber where a combustion gas stream is typically oxygen starved assisting in the burning process of incompletely burned particulates and reducing other harmful emissions. A baffle plate may be introduced in the secondary combustion zone to increase a combustion chamber temperature, encourage mixing of oxygen starved air with oxygen rich air and increase a residence time of the combustion gas within the combustion chamber. These aspects of the baffle plate promote more efficient burning of the biomass/fuel. Additionally, log lighter(s) may be disposed in the secondary combustion zone to increase a temperature of the combustion chamber for the purposes of reducing harmful emissions. | 01-13-2011 |
| 20110048402 | Fireplace - A fireplace unit comprises a housing in which a liquid fuel is to be combusted, having at least one aperture for air flow; a front plate; and a burner for holding the liquid fuel and having an adjusting means for adjusting intensity of flame. A drawer is provided to hold the burner. A closing means is provided to cover the burner such that the flame is extinguished when the closing means is closed. The adjusting means is configured to close when the drawer is pulled out. A security means is further provided to prevent the drawer from being pulled out when the closing means is open. The drawer further includes a reservoir for holding over-filled or leaked liquid fuel. | 03-03-2011 |
| 20110056481 | GAS FIREPLACE BURNER WITH BUILT-IN PILOT SYSTEM - A burner and pilot assembly for a gas fireplace has a substantially hollow burner enclosure with a plurality of burner outlet apertures at the top of the enclosure. A pilot burner is mounted within the enclosure to underlie a portion of the outlet apertures such that flame from the pilot burner extends from a portion of the outlet apertures to merge the appearance of the pilot flame with the main burner flame when the main burner is lit. The invention is well-suited to a linear-style gas fireplace burner. | 03-10-2011 |
| 20110139143 | Gas-Fired Artificial Log Burners with Heating Chamber - An improved gas-fired burner for a fireplace. The gas-fired burner includes a substantially sealed enclosure. This enclosure, or “heat tank,” may be of any desired shape, but is preferably of a rectangular, box-like shape. The enclosure includes an inlet port for the ingestion of relatively cold air into the enclosure, and two exit ports, for the exhaust of relatively warm air. The enclosure has a front and a back end, and both the inlet and exit ports may be secured to the back end of the enclosure. | 06-16-2011 |
| 20110186039 | FIREPLACE WITH SAFETY DOORS - A fireplace comprising having a firebox; at least one door coupled to the firebox; and at least one burner positioned inside the firebox; wherein the door is coupled to the firebox such that there is a gap between the firebox and the door sufficient to allow operation of the fireplace without other openings in the firebox. | 08-04-2011 |
| 20120012099 | HEATING SYSTEM - A heating system can include certain pressure sensitive features. These features can be configured to change from a first position to a second position based on a pressure of a fuel flowing into the feature. These features can include, fuel selector valves, pressure regulators, burner nozzles, and oxygen depletion sensor nozzles, among other features. | 01-19-2012 |
| 20120024281 | THIN CHAMBER BURNER - Burner assemblies including panels (e.g., transparent panels) supported in a substantially parallel, closely-spaced relationship and gaskets and spacers sealing the space between the panels to form a perimeter seal and to define a plenum between the first and second panels with an inlet into the plenum and an outlet out of the plenum. | 02-02-2012 |
| 20120031392 | HEATING APPARATUS WITH FAN - A heating apparatus can have a sealed combustion chamber, a burner, and various air channels to direct air into the sealed combustion chamber and to provide heated air to the desired area or environment such as an interior room. A channel can direct a flow of air along a face of the sealed combustion chamber to cool the face. The channel can be within or outside of the sealed combustion chamber. Alternatively, or in addition, the heating apparatus can be capable of operating as a direct vent device or as a vent free device. | 02-09-2012 |
| 20120037149 | Indoor/Outdoor Fireplace Apparatus - An indoor-outdoor fireplace apparatus including having a base unit which supports a pair of spaced elongate containers for a fuel of the liquid or gel type. In key embodiments, the two elongate fuel containers each have a short horizontal dimension. A shutter carrier slidably rests on the base-unit top and includes a frame to which a pair of elongate shutter plates are secured in spaced positions to cover the elongate fuel containers, such arrangement providing a visually-broad flame field with full on-and-off and adjustment control with a short shutter stroke. | 02-16-2012 |
| 20120192853 | UNVENTED GAS FIREPLACE - An unvented gas fireplace in which air flow through a dosed combustion chamber is controlled by means of a restriction in the air flow path through an outer plenum chamber surrounding the combustion chamber, causing a pressure differential between the plenum and combustion chamber, forcing air from the plenum into the combustion chamber, where it is combusted and mixed with the cool air that has passed the restriction in the plenum, before the air mixture is exhausted into the surrounding room or area. A diverter selects between exhausting the heated air in the same or the opposite side as the air intake. The unit may be used as an outdoor stand-alone fireplace. | 08-02-2012 |
| 20120199114 | THIN CHAMBER BURNER - Burner assemblies including panels (e.g., transparent panels) supported in a substantially parallel, closely-spaced relationship and gaskets and spacers sealing the space between the panels to form a perimeter seal and to define a plenum between the first and second panels with an inlet into the plenum and an outlet out of the plenum. | 08-09-2012 |
| 20120204858 | FIRE GRATE FOR ENHANCED COMBUSTION WITH VERTICAL AND HORIZONTAL EXPANSION SLEEVES - An improved fire grate may provide fresh oxygen rich air to a secondary combustion zone, created by the improved fire grate, of a combustion chamber where a combustion gas stream is typically oxygen starved assisting in the burning process of incompletely burned particulates and reducing other harmful emissions. A baffle plate may be introduced in the secondary combustion zone to increase a combustion chamber temperature, encourage mixing of oxygen starved air with oxygen rich air and increase a residence time of the combustion gas within the combustion chamber. These aspects of the baffle plate promote more efficient burning of the biomass/fuel. Additionally, log lighter(s) may be disposed in the secondary combustion zone to increase a temperature of the combustion chamber for the purposes of reducing harmful emissions. The improved fire grate may be horizontally and vertically adjusted to fit within different sized fireplace combustion chambers. | 08-16-2012 |
| 20120210998 | Liquid hydrocarbon or bioethanol heating appliance - A liquid hydrocarbon or bioethanol heating appliance ( | 08-23-2012 |
| 20120216793 | THIN FLAME BURNER FOR A FIREPLACE - A burner assembly for a fireplace, comprising a fuel-metering plate, a fuel-delivery plenum and a dividing plate. The fuel metering plate has tines that form a combed structure in an uppermost portion of the fuel-metering plate, the combed structure extending along a long dimension of the fuel-metering plate. The fuel-delivery plenum has a fuel chamber and the fuel-delivery plenum being coupled to the fuel-metering plate such that the fuel chamber extends along the long dimension of the fuel metering plate. The dividing plate is located between the fuel-metering plate and the fuel-delivery plenum. The dividing plate has a slotted opening that extends along the long dimension of the fuel metering plate, the slotted opening being in fluid communication with individual channels between the tines and with the fuel chamber. | 08-30-2012 |
| 20120216794 | MULTI-CHANNEL BURNER ASSEMBLY SIMULATANEOSULY ACCEPTING MULTIPLE DIFFERENT FUEL-AIR MIXTURES - A burner assembly comprising a burner casing having two or more separate chambers therein, the chambers being divided from each other by one or more walls. The assembly also comprises one or more input conduits each configured to deliver different fuel-air mixtures to at least one of the separated chambers. | 08-30-2012 |
| 20120216795 | FIREPLACE LINER - A fireplace liner comprising a first panel configured to be located in front of a fireplace burner assembly that has a lateral dimension that extends across a viewing window of a fireplace box. The first panel is configured to extend laterally along the lateral dimension, and, a rear end of the first panel, nearest to the burner assembly, includes a first trough having a vertical wall with a plurality of first slots therein. The linear comprises a second panel configured to be located behind the burner assembly in the box. The second panel is configured to extend laterally along the lateral dimension, and a front end of the second panel, nearest to the burner assembly, includes a second trough having another vertical wall with a plurality of second slots therein. The first and second slots permit secondary air flow there-through. | 08-30-2012 |
| 20120260905 | Liquid-Fuel Burner with Brick Member - A liquid-fuel burner apparatus for a fireplace using a liquid fuel. The apparatus includes a fuel-containment housing having walls forming a housing upper edge, the fuel-containment housing being adapted for insertion of a porous, fuel-wicking brick member. The porosity of the brick member is sufficient to support a continuous flame at the upper burn surface with fuel present in the fuel-containment housing. | 10-18-2012 |
| 20140102437 | FIRE GRATE FOR ENHANCED COMBUSTION - An improved fire grate may provide fresh oxygen rich air to a secondary combustion zone, created by the improved fire grate, of a combustion chamber where a combustion gas stream is typically oxygen starved assisting in the burning process of incompletely burned particulates and reducing other harmful emissions. A baffle plate may be introduced in the secondary combustion zone to increase a combustion chamber temperature, encourage mixing of oxygen starved air with oxygen rich air and increase a residence time of the combustion gas within the combustion chamber. These aspects of the baffle plate promote more efficient burning of the biomass/fuel. Additionally, log lighter(s) may be disposed in the secondary combustion zone to increase a temperature of the combustion chamber for the purposes of reducing harmful emissions. | 04-17-2014 |
| 20140116418 | Multi-Level Floating Flames Gas Fireplace - A multi-level floating flame gas fireplace comprises a pair of supporting members, a burner assembly and a plurality of trays. The burner assembly includes a pair of tube members spaced parallel in vertical orientation and is secured between inner portions of each supporting member, a plurality of burners evenly spaced and extended forwardly between the pair of tube members. A plurality of orifices and at least one sound suppressor are provided in the burners to provide even flow or distribution of gas and to reduce noise. Each tray is positioned below each burner and attached between the supporting members. The trays are filled up with a glass media like fire glasses and the burners are covered with the fire glasses. Thus, the structure of the fireplace becomes invisible and when the burners are turned on, the fireplace showcases layers of the floating flames suspended in a stepped back manner. | 05-01-2014 |
| 20140158111 | Fireplace of Combusting Gasified Liquid Fuel - Disclosed is a fireplace of combusting gasified liquid fuel, which includes a furnace body provided with a furnace chamber. The furnace body is provided with a cavity which is capable of accommodating a combustion device and formed at the bottom of the furnace chamber. A fire viewport is provided at the front of the furnace body. The combustion device includes a liquid supplying device, gasification chamber and burner. A slot used for exposing the burner is provided at the top of the cavity. A flame jet hole is arranged in the burner. A liquid fuel feeding port and a gas outlet are arranged in the gasification chamber. | 06-12-2014 |
| 20140246010 | HEATING ASSEMBLY - A heating assembly can be used in a dual fuel heater to mix air with fuel to be combusted at the burner. The heating assembly can include a burner, a first nozzle, a second nozzle, a first conduit and a second conduit. The first conduit can have an opening configured to allow air to mix with fuel injected into the first conduit by the first nozzle. | 09-04-2014 |
| 20140290643 | HELICAL FUEL BURNER - A burner for consuming a fuel includes a base with a lower end, an upper end, and at least one side wall. A fuel inlet port of the upper end of the base includes at least an inner wall and a bottom wall. At least one helical conduit is fixed outside of the inner wall of the fuel inlet port and conveys air from an open lower end thereof to an opposing open top end thereof at the upper end of the base. A bottom end of an annular glass burning chamber is fixed with the upper end of the base, such that the second end of the at least one conduit terminates therebetween. As such, the fuel in the fuel inlet port mixes with the air entering the burning chamber from the at least one helical conduit and burns in a helical pattern within the burning chamber. | 10-02-2014 |
| 20150053200 | Fuel-burning fireplace - A burner system for a fuel-burning fireplace having a fuel container with at least one aperture for combusting the fuel contained therein and an adjustable flame regulator for regulating a size of the flame. The flame regulator comprises a shutter for covering the aperture having a shape corresponding to the aperture, the shutter being variably adjustable between a first position (covered aperture) and a second position (exposed aperture); a handle extending from the burner system for variably adjusting the shutter; and a connecting member for connecting the shutter to the handle, the connecting member being secured to at least two extremities of the shutter; wherein movement of the handle allows a balanced movement of the shutter over the aperture. | 02-26-2015 |
| 20150292745 | FIREPLACE GAS INSERT - A fireplace gas insert comprising: a fire box; a gas burner tube located inside the fire box; four legs attached to the fire box, and configured to create an air gap below the fire box; a first support bar attached to at least one of the four legs, the support bar extending generally away from the from the fire box; a gas valve attached to the first support bar, and in fluid communication with the gas burner tube; an ignition module attached to the first support bar; a remote control receiver unit attached to the first support bar; a cover configured extend from the left side of a fireplace to the right side of the fireplace, and to extend from the rear of the fireplace to the front of the fireplace, and to present a front face to the room the fireplace is located in, the cover comprising: a top; a front attached to the top and located generally orthogonally to the top; an air draw opening located in the front; a firebox opening located in the top; where the top and front generally encloses and hides from view the first support, gas valve, ignition module, remote control receiver unit, and the convection sleeve, where the firebox opening is in fluid communication with the interior of the firebox; and where the air draw opening is in fluid communication with the firebox opening. A fireplace gas insert system comprising: a fireplace, a fireplace gas insert located in the fireplace, the fireplace gas insert comprising: a fire box; a gas burner tube located inside the fire box; four legs attached to the fire box, and configured to create an air gap below the fire box; a first support bar attached to at least one of the four legs, the support bar extending generally away from the from the fire box; a gas valve attached to the first support bar, and in fluid communication with the gas burner tube; an ignition module attached to the first support bar; a remote control receiver unit attached to the first support bar; a cover configured extend from the left side of the fireplace to the right side of the fireplace, and to extend from the rear of the fireplace to the front of the fireplace, and to present a front face to the room the fireplace is located in, the cover comprising: a top; a front attached to the top and located generally orthogonally to the top; an air draw opening located in the front; a firebox opening located in the top; where the top and front generally encloses and hides from view the first support, gas valve, ignition module, remote control receiver unit, and the convection sleeve, where the firebox opening is in fluid communication with the interior of the firebox; and where the air draw opening is in fluid communication with the firebox opening. | 10-15-2015 |
| 20150330638 | HEARTH APPARATUS - An apparatus having a substantially air-sealed, transparent, front through which a flame within the firebox may be viewed. The apparatus may include a burner configured to hold and burn a liquid fuel and positioned so as to cause a flame from the burning, fuel to appear within the firebox. The liquid fuel may be ethanol. The apparatus may include an igniter that has a user-operated igniter control that may be operated by a user from outside of the firebox that, upon operation, causes the liquid fuel within the burner to be ignited. The apparatus may include an extinguisher that has a user-operated extinguisher control that may be operated by a user from outside of the firebox that, upon operation, causes the flame to be extinguished. The apparatus may include a fuel inlet located outside of the firebox, and a fuel channel between the fuel inlet and the burner. A fuel tank may also be provided. | 11-19-2015 |
| 20160161126 | Ethanol Fireplace Insert - An ethanol fireplace insert is a device for burning ethanol fuel in order to heat a space without transferring heat to a nearby object or wall. The ethanol fireplace insert features a base platform and an arch forming an insert that may be inserted into an existing fireplace or utilized as a standalone heating source. The ethanol fireplace insert is zero-clearance and features a plurality of insulation panels and a plurality of covers that prevent heat transfer from the ethanol fireplace insert to a nearby object or wall. The plurality of covers does not come into contact with the base platform and the arch due to a plurality of spacers that separates the base platform and the arch from the plurality of insulation panels and the plurality of covers. The burner is safely seated into a burner tray and the burner tray is seated into a safety tray. | 06-09-2016 |
| 20160169525 | GAS FIRED HEATING APPLIANCE WITH SAFETY RELEASE DOOR MECHANISM | 06-16-2016 |
