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Match Document Document Title
8166964 Heater for use in an agricultural house  
A radiant heater is configured to be positioned above a floor at a predetermined distance and to produce a generally quadrangular zone of heat within a predetermined temperature range, preferably...
7985067 Compact radiant burner device with two heating surfaces, and application  
The invention relates to a radiant gas burner device comprising a first cylindrical chamber (1) and a first injector (2) for feeding the first chamber with a combustible gas mixture, the first...
7967006 Dual fuel heater  
A dual fuel heater can couple with one of two fuel sources operating at different pressures. The dual fuel heater can have a first fuel line, a second fuel line, a fluid flow controller, and a...
7955072 Forced air supply combustion apparatus  
A combustion apparatus with an air supply chamber in a lower part partitioned by a partition plate from an arrangement section of a burner unit and a primary air chamber in a front part stands from...
7931468 All primary combustion burner  
In an all primary combustion burner, a partition plate that demarcates a mixing chamber between the partition plate and a bottom wall section of a burner main body and a distributing plate that...
7926479 Infrared wok heater  
An infrared heater for heating a cooking vessel, such as a Chinese wok. The heater includes a block of refractory material, which emits infrared radiation upon heating to an elevated temperature,...
7857617 Burner  
A gas burner including a burner body having a lower housing, an inlet conduit and a combustion surface element attached to the lower housing. A diffuser/reflector positioned within the body...
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...
7607426 Dual fuel heater  
In certain embodiments, a dual fuel heater has a pressure regulating device for selectively coupling with a first source or a second source operating at different pressures. The dual fuel heater...
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)...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
5984663 Gas fueled heating appliance  
A gas heater is provided with a combustion status sensor that provides heater performance data to a controller that controls the heater according to the sensor data and stored calibration...
5984662 Karman vortex generating burner assembly  
A burner assembly for use in a gas burning fireplace for producing flame patterns simulating flame patterns produced by real burning wood, and a method for producing such flame patterns. A...
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...
5960789 Flammable fluid heating apparatus  
This invention provides a flammable fluid fuelled heater providing a direct opening into the primary combustion chamber to provide an unobstructed view of the fire. Any circulating means such as a...
5931154 Gas fireplace burner plate  
A burner for a gas fireplace has a burner tube with a plurality of gas ports that provide flames for combustion when the burner is operating. A plate is positioned above the burner tube and has...
5927270 Gas burner system for fireplaces  
A gas burner for gas fireplaces has a housing defining a shallow chamber with an extended top and surface which covers most of the grate area of a gas fireplace and supports non-combustible logs...
5918592 Gas-fired log burner  
A gas-fired log burner for simulating natural burning of firewood wherein a gas burner component having a decorative burner face surface engages within a recess formed in an exterior surface of a...
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...
5890485 Dancing flame control system for gas fireplaces  
A novel control system for altering a fixed pattern of gas flames in a fireplace having artificial logs comprises a log set having a burner system and the burner system having a gas valve control...
5839427 Artificial ember bed  
An artificial ember bed (5) for use within a fireplace (7) is disclosed. The fireplace will include a burner (12, 13) positioned below an elevated log grate (19), on which at least a pair of spaced...
5743249 Gas fireplace system burner assembly  
An improved burner assembly is disclosed for a gas fireplace system including a set of gas logs supported on a grate. The burner assembly includes a generally horizontal burner pan positionable...
5722824 Unvented gas burner assembly  
A gas burner assembly is provided which can be used in an unvented gas-fired fireplace and which closely approximates the look of a wood-fired fireplace. The gas burner assembly has a gas...
5688568 Enhanced glowing logs and method  
A novel fireplace element is made by a novel process wherein the fireplace element is first molded from a mixture of refractory and ceramic fibers and removed from the mold in a green state. While...
5678534 Heating apparatus  
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...
Matches 1 - 50 out of 202 1 2 3 4 5 >