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| Number | Title | Issue Date |
| 7677236 | Heater configured to operate with a first or second fuel Certain embodiments of a nozzle are configured to dispense a first gas, liquid, or combination thereof at a first pressure in a first mode of operation and dispense a second gas, liquid, or combination thereof at a second pressure in a second mode of operation. In s... | 03/16/2010 |
| 7322819 | Backlighting system for a fireplace A fireplace including a backlighting system. The backlighting system can be positioned in a back portion of the bottom panel of the fireplace. The backlighting system includes at least one light source to shine light upon the components of the fireplace. For example... | 01/29/2008 |
| 7234932 | Outdoor gas fireplace A fireplace for viewing outside of a house or other structure that includes a combustion chamber defined by a combustion chamber enclosure with a front opening and a front panel at least partially enclosing the front opening. The front panel is partially surrounded ... | 06/26/2007 |
| 7223095 | Composite concrete artificial log A method of improving an individual artificial concrete log widely used in gas fires, the new concrete log(1) having at least one decorative ceramic fiber pad (1a) or (2a) secured in the cut out(2) section, the pad (1... | 05/29/2007 |
| 7216511 | Furnace apparatus and method for tempering low emissivity glass A glass tempering furnace having a chamber, rollers extending laterally within a chamber to form a transport surface for the plate glass, radiant coils positioned along the bottom of the chamber underneath the rollers, a plurality of spaced nozzle assemblies arrange... | 05/15/2007 |
| 6991454 | Gas burner A gas burner is provided that simulates wood burning fire and the glowing ember effect of real wood or coal burning. The burner has a burner pan which is covered by a refractory material and a ceramic material. Burner ports are formed through the refractory and cera... | 01/31/2006 |
| 6932079 | Radiant energy source systems, devices, and methods capturing, controlling, or recycling gas flows This document discusses, among other things, systems, devices, and methods that increase radiant energy output, such as by using the waste airflow of combusted gas and/or ambient airflow resulting from convection, or by reducing or avoiding cooling effects of such a... | 08/23/2005 |
| 6907875 | Outdoor heater and method of assembling same An outdoor heating apparatus, for warming the ambient air of a pre-selected area, includes a movable table attachment. The height-adjustable tabletop ergonomically enhances the surrounding area to accommodate the needs of various users, and an optional sectional hea... | 06/21/2005 |
| 6843244 | Portable heater A portable heater comprises a housing, a heating element, and a fuel supply. The fuel supply is preferably a liquid gas type wherein a valve assembly meters the gas to the heating element. A regulator is used to regulate flow of gas from the fuel source, and a conne... | 01/18/2005 |
| 6823859 | Flat heating surface type gas stove There is disclosed a novel flat heating surface type gas stove which is capable of heating a heating substance across a heat resistance glass at practically applicable heating efficiency, overcoming any inconvenience resulting from the exposure of flame and facilita... | 11/30/2004 |
| 6805115 | Catalytic embers for use with a gas fired log set A synthetic ember comprising refractory ceramic wool coated with about 0.10 wt. % to about 5.0 wt. % of an oxidation catalyst of Pt, Pd, Rh, Co, Mn and mixtures thereof for use in small pieces as embers in a gas-fired log set or fireplace. The refractory ceramic woo... | 10/19/2004 |
| 6796302 | Mixture fitting for a combustible gas burner system A mixture fitting for use in a combustible gas system, for example, a fireplace. The mixture fitting may include a first portion configured to be coupled to a combustible gas source and a second portion configured to be coupled to a burner assembly. The first and se... | 09/28/2004 |
| 6792937 | Miniature patio heater A miniature patio heater is provided which has a total height of approximately 3 ft. and which has a shroud with a diameter less than 2 ft. The patio heater includes a base having a vertically extending chamber, which is approximately 1.5 ft. high, for receiving a s... | 09/21/2004 |
| 6786717 | Combustion apparatus A combustion apparatus (1) is generally composed of a principal part (5), a supplementary part (6) and a burner port assembly (3). Four metal plates (7,8,10,11) constituting the principal and supplementary parts (5,6) are pr... | 09/07/2004 |
| 6745759 | Knock-down dome cover for a patio heater The present invention provides a dome cover for a outdoor heater that is made up of a plurality of sides. Each side has at least three edges, a first edge is a finished edge, a second edge includes at least a first complementary fastener portion and a third edge inc... | 06/08/2004 |
| 6742814 | Miniature patio heater A miniature patio heater is provided which has a total height of approximately 3 ft. and which has a shroud with a diameter less than 2 ft. The patio heater includes a base having a vertically extending chamber, which is approximately 1.5 ft. high, for receiving a s... | 06/01/2004 |
| 6666205 | Upright heating burner having a heatsink device background of the invention An upright heating burner having a heatsink device includes an upright stand, an upright tube, a burner, an air guide cylinder, and a heatsink device. The heatsink device is mounted on a top of the air guide cylinder and includes an annular support seat, ... | 12/23/2003 |
| 6659765 | Infrared rays gas burner An infrared rays gas burner comprises a main member having a box which has a base seat and a cover, two non-asbestos pads, ceramic planks and guiding device. The non-asbestos pads is mounted the base seat and the ceramic planks rests on the non-asbestos p... | 12/09/2003 |
| 6651647 | Heating apparatus with slidable shroud A heating apparatus includes a burner assembly for igniting fuel from a fuel source, an upper housing for the burner assembly, and an elongate support member extending upwardly to the burner assembly housing to space the housing from ground level. A shrou... | 11/25/2003 |
| 6609513 | Flat heating surface type gas stove There is disclosed a novel flat heating surface type gas stove which is capable of heating a heating substance across a heat resistant glass at a practically applicable heating efficiency, thereby overcoming any inconvenience resulting from the exposure o... | 08/26/2003 |
| 6602068 | Burner assembly for a gas-burning fireplace A burner assembly that overcomes problems experienced in the prior art. One embodiment provides a burner assembly for burning a fuel gas from a gas source. The assembly has a burner body with a contoured upper surface and a burner pan with a gas inlet ape... | 08/05/2003 |
| 6578570 | Method of reducing CO and NOx emissions in a heating appliance and a respective appliance A method of combustion of a gaseous fuel in a heating appliance (1; 22) provided with at least one burner (15; 29; 34, 35, 36; 38), comprising mixing said gaseous fuel with a preestablished quantity of air to obtain an air-fuel mixture, supplying said mix... | 06/17/2003 |
| 6516793 | Low carbon monoxide gas log assembly There is provided a low carbon monoxide gas log assembly having a main gas burner and a neat gas burner. The main gas burner includes a plurality of exit ports. A batting containing rock wool is located above the exit ports and is not in contact with the ... | 02/11/2003 |
| 6488025 | Portable campfire The portable campfire includes a firebox with side walls, a bottom wall and an open top. A drip pan, with a floor that slopes downward and radially inward from a supporting ring to a discharge passage, is mounted in the firebox. A burner is mounted in the... | 12/03/2002 |
| 6470876 | Catalytic heater assembly A portable heater assembly includes a fan module, an electrical ignition assembly, a heating apparatus, and an encasement. The encasement supports and houses the fan module, the electrical ignition assembly, and the heating apparatus. The fan module inclu... | 10/29/2002 |
| 6446623 | Miniature patio heater A miniature patio heater is provided which has a total height of approximately 3 ft. and which has a shroud with a diameter less than 2 ft. The patio heater includes a base having a vertically extending chamber, which is approximately 1.5 ft. high, for re... | 09/10/2002 |
| 6443726 | Burner assembly for a gas-burning fireplace A burner assembly that overcomes problems experienced in the prior art. One embodiment provides a burner assembly for burning a fuel gas from a gas source. The assembly has a burner body with a contoured upper surface and a burner pan with a gas inlet ape... | 09/03/2002 |
| 6431856 | Catalytic combustion apparatus In order to realize a catalytic combustion apparatus capable of effectively utilizing radiation from a surface of a catalytic element, providing a higher efficiency of heat exchange, and characterized in superior characteristics of an exhaust gas, a catal... | 08/13/2002 |
| 6425390 | Unvented heating appliance having system for reducing undesirable combustion products A heating appliance including a firebox having an inlet and an outlet, the firebox inlet and outlet in communication with a space containing ambient air and within which the appliance is located. A gas burner is disposed within the firebox and provides a ... | 07/30/2002 |
| 6269809 | Low emission fireplace This invention relates to heating apparatus and particularly compact heating apparatus fuelled by a flammable fluid such as gas in which a visible flame is provided. The appearance of the visible flame and the fireplace setting within the heating apparatu... | 08/07/2001 |
| 6260548 | Gas operated fireplace module An improved gas operated fireplace module is provided having a ceramic support base with a plurality of irregularly-shaped and spaced protruberants on the upper surface of the base. Ceramic fuel logs are disposed on the upper surface of the ceramic suppor... | 07/17/2001 |
| 6216687 | Unvented heating appliance having system for reducing undesirable combustion products A gas-fueled heating appliance having a system for reducing the amount of undesirable combustion products released to the site in which the appliance is installed. The appliance includes a firebox partially surrounded by a heat exchanger. Ambient air is d... | 04/17/2001 |
| 6129079 | Gas fireplace with rotating log assembly An artificial log is provided for use in a gas fireplace combustion chamber. A portion of the log outer surface has a charred appearance. When the fireplace is turned on and the log is heated, the log rotates to bring the charred surface in view from an o... | 10/10/2000 |
| 6102031 | Heating apparatus A heating apparatus is provided which is improved in terms of its heating efficiencies over prior commercially available patio heaters. The heating apparatus includes a burner assembly housing containing a burner assembly for igniting fuel from a fuel sou... | 08/15/2000 |
| 6062211 | Method and apparatus for preventing impingement of yellow flames on a log in an unvented artificial gas log set An artificial gas log set which simulates in a very realistic fashion a log fire in a fireplace. The artificial log set comprises a log, a burner tube having ports for creating a yellow flame that is in close proximity to the log and a second set of ports... | 05/16/2000 |
| 6036474 | Gas burner for fireplace A gas burner for a fireplace. The burner comprises a burner housing having a grid of openings that are formed from heat resistant material. The housing has a first burner assembly and a second burner assembly arranged therein in a side-by-side relationshi... | 03/14/2000 |
| 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 combustion chamber positioned within the outer shell so as to defi... | 02/22/2000 |
| 6019069 | Gas-fired heaters with burners which operate without secondary air and have a substantially sealed combustion chamber A gas-fired burner apparatus includes a porous combustion surface disposed in a combustion chamber substantially sealed to prevent entry of secondary air. A subatmospheric pressure is maintained in the combustion chamber by a natural or aspirated draft. T... | 02/01/2000 |
| 6006742 | Simulated solid fuel element An improved fireplace assembly is described having a sheet metal burner and an associated set of simulated logs to create different sizes and shapes of flames, or flame patterns. The flame patterns generate hot exhaust gases which heat portions of the sim... | 12/28/1999 |
| 5983890 | Fireplace having multi-zone heating control A fireplace adapted to heat multiple heating zones of a building, controlled by a control circuit which adjusts the heat input to the fireplace, airflow through the fireplace and ducting of the airflow to the various zones individually in response to a ca... | 11/16/1999 |
