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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7322820 | Controlled flame gas burner A multiple fingered burner includes controls for continuity of gas flow and ignition throughout all of the ports peripherally positioned around the contoured wall of the burner body. A plurality of burner parts are nested together with an indexer limiting insertion ... | 01/29/2008 |
| 7303388 | Staged combustion system with ignition-assisted fuel lances Combustion system comprising a furnace having a thermal load and a combustion atmosphere disposed therein; one or more fuel lances adapted to inject fuel into the combustion atmosphere; and one or more igniters associated with the one or more fuel lances and adapted... | 12/04/2007 |
| 7291009 | Dual stacked gas burner and a venturi for improving burner operation A cooktop burner assembly is described. The cooktop burner assembly includes a main burner, and a simmer burner located below the main burner, where a diameter of the simmer burner is greater than a diameter of the main burner. The closer placement of the main burne... | 11/06/2007 |
| 7213348 | Gas burner and air heater assembly for a gas clothes dryer A burner for a gas dryer is made up of a mixing tube having an open end for admission of gas fuel into the mixing tube. At least one other opening proximate to the open end serves to admit air into the mixing tube for mixing the air and the gas fuel. A burner head i... | 05/08/2007 |
| 7214055 | Colinear burner A convertible burner for gas-fueled cigarette pocket lighters for use with flint and wheel ignition, the burner including a burner body having a central gas fuel passageway and an air inlet channel in fluid communication with the central passageway and may have a pl... | 05/08/2007 |
| 7204688 | Gas burner for dryer Gas burner for a dryer including a gas nozzle for receiving, and injecting gas, a mixing tube for mixing the gas injected from the gas nozzle and primary air, igniter fitted to an outlet of the mixing tube for igniting the gas mixed with the primary air coming out o... | 04/17/2007 |
| 7172413 | Laundry dryer having gas combustion apparatus A gas combustion apparatus of a laundry dryer is provided, by which an initial ignition power is improved to enhance an ignition property. The gas combustion apparatus includes a gas supply; a mixing pipe, having a mixing passage extending from an inlet end to an ou... | 02/06/2007 |
| 7101174 | Burner The present invention provides a burner capable of recovering more reliably a flame going out at one flame port via the transfer of flames from other flame ports when the burner is turned down. The burner according to the present invention is formed of two metal pla... | 09/05/2006 |
| 7094050 | Burner A burner capable of reducing manufacturing costs by attaching upper and lower flow regulating plates to a metal plate rationally from the viewpoint of costs is provided. A burner 100 comprises a metal plate, having formed thereto a plurality of flame ports | 08/22/2006 |
| 7083123 | Internal flame gas burner with high compactness The invention relates to an internal flame gas burner comprising a gas injector (1), a vacuum tube (2), and an annular chamber (5) formed by a pot (3) covered by a cap (4), the chamber having an internal edge (51) perforated... | 08/01/2006 |
| 7077644 | Advanced commercial range burner A gas-fired burner including a cylindrical burner housing having a premixed fuel/air opening. Disposed within the cylindrical burner housing is a cylindrical burner ring which forms at least one row of a plurality of burner ports. The cylindrical burner ring is size... | 07/18/2006 |
| 7040890 | Gas burner A gas burner, for example, for domestic cooking appliances, includes a bowl-shaped body associated with a gas injector, a toothed crown with a plurality of flame ports placed over the body, and an upper cap to close the burner top. The burner also has a peripheral g... | 05/09/2006 |
| 7017572 | Method and apparatus for gas ranges A gas burner assembly for connection to a source of gas includes a burner body including at least one receptacle, a burner cap positioned on the burner body, at least two isolation walls coupled to the burner body, and at least one projection extending from the burn... | 03/28/2006 |
| 6979192 | Burner head and gas burning appliance provided with such a burner head Disclosed is a burner head capable of securing heat resistance and durability characteristics and improving the quality of machining at the same time, capable of easily and stably machining a material into a complicated shape. A second metal primary material of the ... | 12/27/2005 |
| 6951454 | Dual fuel burner for a shortened flame and reduced pollutant emissions A dual fuel burner including an elongated supply pipe and a gas injector for a boiler furnace having a plurality of peripheral openings around a center opening. The peripheral openings are pitched radially away from the longitudinal axis of the gas injector and also... | 10/04/2005 |
| 6923643 | Premix burner for warm air furnace A burner assembly for use in a warm air furnace. The burner assembly has a cooling air box for receiving air and a premix burner for receiving air-fuel premix positioned within and spaced apart from the cooling air box. The burner assembly also has a burner face ass... | 08/02/2005 |
| 6912857 | Torch igniter An improved torch igniter for use in devices such as thrust augmenters, gas turbine engines, ramjets, combined-cycle engines and industrial burners. The torch igniter includes a housing with a combustion chamber. Fuel and oxidizer are delivered into the combustion c... | 07/05/2005 |
| 6905329 | Torch lighter for cigar A torch lighter includes a fuel nozzle assembly provided for vaporizing the fuel released therefrom to a high-pressured gaseous fuel to emit to the ignition chamber, wherein the vaporizer assembly includes a torch head, which is provided at an emitting end of a nozz... | 06/14/2005 |
| 6851420 | Burner with piloting ports A cooking appliance includes burners having ports that are aligned in a defined alignment with respect to an adjacent structure of a burner body or the cooking appliance within a piloting zone so that the adjacent structure guides the formation of a flame kernel at ... | 02/08/2005 |
| 6827572 | Torch lighter for cigar A torch lighter includes a fuel nozzle assembly provided for vaporizing the fuel released therefrom to a high-pressured gaseous fuel to emit to the ignition chamber, wherein the vaporizer assembly includes a torch head, which is provided at an emitting end of a nozz... | 12/07/2004 |
| 6589046 | Gas burner for outdoor cooking A multi piece gas burner assembly that is machined or cast and having a burner base that contains holes for primary air where the hole dimensions do not exceed the height of a jet mounted therein. The burner base is fastened onto an appliance. The burner ... | 07/08/2003 |
| 6558156 | Multi-flame lighter A multi-flame lighter includes a housing, an igniter, a liquid fuel supply, a valve, a vaporizer, a mixing chamber, a nozzle, and a flame chamber. The multi-flame lighter produces clearly visible and forceful flames that are aesthetically pleasing and fun... | 05/06/2003 |
| 6443728 | Gas pipe ignitor A gas pipe ignitor 10 is provided which is operable to ignite a non-premixed air and fuel mixture and includes an air supply conduit 20 which has an axis ASL, a supply end 22, and a flame end 24 axially spaced from the supply end 22. The gas pipe ignitor ... | 09/03/2002 |
| 6371754 | Flame stabilizing channel for increased turn down of gas burners A gas burner assembly for connection to a gas source includes a burner body having a sidewall and a main gas conduit. The burner body further includes a number of primary burner ports disposed within the sidewall, each for supporting a respective main fla... | 04/16/2002 |
| 6322354 | Stacked dual gas burner A stacked dual gas burner which achieves good performance at high firing rates as well as good simmer performance at low firing rates. The stacked dual gas burner includes a main burner and a second (simmer) burner. The main burner and second burner are p... | 11/27/2001 |
| 6234785 | Swirler plate in gas burner Swirler plate in a gas burner, the swirler plate having a plurality of slits formed in a radial direction for supplying a mixed gas to a combustion chamber, and a plurality of swirl vanes formed on one side of the slits for guiding the mixed gas from the ... | 05/22/2001 |
| 6152726 | Burner for operating a heat generator A burner for operating a heat generator includes a rotation generator (100) for a combustion air stream (115), a device for injecting at least one fuel (112, 116) into the combustion air stream, a number of transition channels (201) for transferring a flo... | 11/28/2000 |
| 6095802 | Gaseous fuel burner and method of making same A cast aluminum burner base has a tubular inlet communicating with a cavity formed in an enlarged diameter flange remote from the inlet. The cavity is closed by a cast aluminum cap registered against the base. The base and cap are each castellated along t... | 08/01/2000 |
| 6082994 | Gas burner for cooking apparatus A gas burner for a cooking apparatus including a head and a cap to be laid upon the head is disclosed. The head includes a base formed with a through-aperture for feeding an air/gas mixture and a peripheral skirt formed with slits substantially perpendicu... | 07/04/2000 |
| 6079976 | Structure for supply of fuel and pilot air A pilot air passage, a pilot fuel passage and a main fuel passage are formed in a gun head for supplying pilot air and fuel. At least one of a flow amount detecting orifice, a flow amount adjusting needle valve and a pressure detecting plug is provided in... | 06/27/2000 |
| 6065961 | Low NOx burner A gas mixer is provided which is especially suitable for a burner which includes a plurality of parallel supply tubes for a first gaseous reactant passing through a sealed distribution manifold through which a second reactant may be educed into each tube ... | 05/23/2000 |
| 6056538 | Apparatus for suppressing flame/pressure pulsations in a furnace, particularly a gas turbine combustion chamber An apparatus is provided for suppressing flame/pressure pulsations in a furnace, in which a flame is surrounded by a gas shroud stream having a higher flow speed, whereby a ring vortex formation is stopped. In order for this gas shroud stream to be able t... | 05/02/2000 |
| 6036481 | Burner with flame retainer insert An inshot burner (10) includes an axially elongated tubular nozzle (40) having a flared inlet end (42), a cylindrical outlet end (44) and a venturi section (46) therebetween. A burner head insert (20) is disposed within the cylindrical outlet end 44. The ... | 03/14/2000 |
| 5988155 | Fluid flow valves and cooking machine control systems utilizing such valves A cooking machine control system for controlling the consumption of fuel by cooking machines, including cooking machines of the type used in restaurant kitchens, such as gas/barbecue broilers, and home cooking machines such as grills, and gas flow valves ... | 11/23/1999 |
| 5947714 | Burner surface A burner for gaseous fuels or gas plus liquid fuel mixtures includes flame bores distributed across a burner surface. At least some of the bores are arranged in the form of nearly equilateral triangles with a ratio of spacing of the bores with respect to ... | 09/07/1999 |
| 5915956 | Gaseous fuel burner with reduced velocity flame generating ports A cast aluminum burner base has a tubular inlet communicating with a cavity formed in an enlarged diameter flange remote from the inlet. The cavity is closed by a cast aluminum cap registered against the base. The base and cap are each castellated along t... | 06/29/1999 |
| 5899681 | Atmospheric gas burner assembly for improved flame retention and stability A gas burner assembly for connection to a source of gas comprises a burner body having a sidewall and a main gas conduit. The main gas conduit has a burner throat and the sidewall has an inner surface, an outer surface and a top surface. A plurality of pr... | 05/04/1999 |
| 5865164 | Fluid flow valves and cooking machine control systems utilizing such valves A cooking machine control system for controlling the consumption of fuel by cooking machines, including cooking machines of the type used in restaurant kitchens, such as gas/barbecue broilers, and home cooking machines such as grills, and gas flow valves ... | 02/02/1999 |
| 5839890 | Condensation free nozzle A nozzle which includes a nozzle body, a central tube contained within the nozzle body for a flow of gas at a temperature less than the temperature of the nozzle body, and an annular passage, located between the nozzle body and central tube, for a flow of... | 11/24/1998 |
| 5829367 | Pulverized fuel combustion burner having a flame maintaining plate at a tip end portion of a pulverized fuel conduit A burner for combustion of a pulverized coal mixture having two kinds of rich and lean concentration has a height of a burner panel reduced and the overall burner simplified. A rich/lean separator (10, 20, 30) is provided within a pulverized coal conduit ... | 11/03/1998 |
