...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8172568 | Combustor A combustor, in which a flame holding region is formed at a location distant from a pilot burner to avoid burnout of the pilot burner and in which flame holding capability is increased to use a lean pre-mix gas for reducing NOx emission, is provided. The combustor i... | 05/08/2012 |
| 8137098 | Multiple gas pilot burner A multiple gas pilot burner assembly for a household heating appliance. The pilot burner includes an injector having a first conduit for receiving a flow of a first combustible fluid, a second conduit for receiving a flow of a second combustible fluid and a third co... | 03/20/2012 |
| 7422427 | Energy efficient low NOburner and method of operating same A burner for installation in a furnace having a combustion chamber defined by at least a furnace front wall, two side walls, a top wall and a bottom wall as well as heat transfer pipes through which a heat transfer medium flows and which are arranged on at least one... | 09/09/2008 |
| 7347086 | System and method for burner-based accelerated aging of emissions control device, with engine cycle having cold start and warm up modes A method for accelerated aging of an automotive catalytic converter under conditions incorporating cold start simulations. ... | 03/25/2008 |
| 7335017 | Lighter with flint igniter A lighter includes a flint igniter igniting a flame positioned adjacent to a torch nozzle thereof to light up gas emitted from the torch nozzle to form a torch in which the gas released from a gas container of the lighter is distributed to have portion emitted from ... | 02/26/2008 |
| 7313919 | Gas turbine combustor A gas turbine combustor has a combustion chamber into which fuel and air are supplied, wherein the fuel and the air are supplied into said combustion chamber as a plurality of coaxial jets. ... | 01/01/2008 |
| 7277801 | Method for testing catalytic converter durability The present application relates in general to methods for testing the performance of an automotive catalytic converter under conditions simulating those which occur in motor vehicles over extended driving conditions. ... | 10/02/2007 |
| 7241486 | Bone grafting materials The present invention relates to porous bone filling materials prepared by sintering bioactive glass fibers in order to achieve a three dimensional block with interconnecting porosity. Due to the osteoconductive properties the bioactive glass fibers, in block form a... | 07/10/2007 |
| 7200998 | Gas turbine combustor and operating method thereof A gas turbine combustor has a combustion chamber into which fuel and air are supplied, wherein the fuel and the air are supplied into said combustion chamber as a plurality of coaxial jets. ... | 04/10/2007 |
| 7188476 | Gas turbine combustor and operating method thereof A gas turbine combustor has a combustion chamber into which fuel and air are supplied, wherein the fuel and the air are supplied into said combustion chamber as a plurality of coaxial jets. ... | 03/13/2007 |
| 7153129 | Remote staged furnace burner configurations and methods A remote staged furnace burner configuration includes placement of secondary fuel gas nozzles remote from burners. This configuration brings about an increased mixing of secondary fuel with furnace fuel gases. As a result, the temperature of the burning fuel gas is ... | 12/26/2006 |
| 7140183 | Premixed exit ring pilot burner A burner (24) which is useful for operating a heat generator includes a first upstream swirl generator (17) capable of swirling a combustion air stream, a device for injecting at least one fuel into the combustion air stream from the upstream swirl gen... | 11/28/2006 |
| 7086855 | Apparatus having improved wind resistance that is a synergistic combination of a windshield and a brooder heater pilot assembly The invention is an apparatus that is a synergistic combination of a windshield and a pilot light assembly for a gas burner heater. The apparatus provides reliable operation of the gas burner heater in high air flow conditions, where the air flow would normally caus... | 08/08/2006 |
| 7025590 | Remote staged radiant wall furnace burner configurations and methods A remote staged radiant wall furnace burner configuration includes placement of secondary fuel gas nozzles remote from radiant wall burners. This configuration brings about an increased mixing of secondary fuel with furnace flue gases. As a result, the temperature o... | 04/11/2006 |
| 6960075 | Flare stack operating on Coanda principle A flare stack operating on the Coanda principle in which provision is made for cooling of a Coanda body terminating the gas flue by a flow of cooling fluid within the Coanda body. The pressure in the flare stack is held constant by a mechanism disposed outside of th... | 11/01/2005 |
| 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 |
| 6918759 | Premixed combustion gas burner having separated fire hole units A premixed combustion gas burner having separated fire hole units including a tube-shaped burner whose front face is opened and inner portion is of a hollow tubular shape so that the whole fire hole units of the burner can be separated to thus prevent deformation du... | 07/19/2005 |
| 6918755 | Fuel-fired burner with skewed electrode arrangement A fuel-fired burner for use with an emission abatement device comprises a pair of electrodes. Each electrode comprises an arc-contact rod to generate an electrical arc therebetween. ... | 07/19/2005 |
| 6916172 | Burner apparatus A burner apparatus comprising housing defining a chamber and having an air inlet, a peripherally extending baffle disposed in the housing, a first peripherally extending flow passage being formed between the housing and the baffle, the first flow passage being in op... | 07/12/2005 |
| 6916175 | Combustion gas burner enabling multi-stage control A combustion gas burner enabling a multi-stage control including a main casing on the bottom surface of which an air blower is mounted so that air can be supplied from the air blower through an air inlet formed in the lower portion of the main casing, a tube-shaped ... | 07/12/2005 |
| 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 |
| 6884063 | Multiple-flame lighter A multiple-flame lighter, including: a lighter housing, a storage having an outlet valve, an inlet valve and a gas chamber for storing liquid fuel gas, a gas outlet control bar for controlling gas supply from said storage, and a windproof assembly connected to the g... | 04/26/2005 |
| 6840761 | Ultra-stable flare pilot and methods A continuously operating ultra-stable flare pilot for igniting a flammable fluid discharged from the open end of a flare stack and methods are provided. The flare pilot basically comprises a fuel-air mixture inlet conduit, a fuel-air mixture discharge nozzle attache... | 01/11/2005 |
| 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 |
| 6796790 | High capacity/low NOx radiant wall burner A burner assembly for a radiant burner includes a burner tube structure in the form of an elongated burner conduit having spaced inlet and outlet ends. The conduit is adapted and arranged for directing a fuel lean gaseous mixture comprising a portion of the total fl... | 09/28/2004 |
| 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 |
| 6733278 | Variable heat output burner assembly As with most burners and combustors, they utilize fuel and air mixtures. One of the important aspects of burning an air-fuel mixture is that of mixing. Ideally, the fuel should be uniformly distributed throughout the air when ignited. This results in the most comple... | 05/11/2004 |
| 6702572 | Ultra-stable flare pilot and methods A continuously operating ultra-stable flare pilot for igniting a flammable fluid discharged from the open end of a flare stack and methods are provided. The flare pilot basically comprises a fuel-air mixture inlet conduit, a fuel-air mixture discharge noz... | 03/09/2004 |
| 6672862 | Premix burner with integral mixers and supplementary burner system An apparatus is provided including a furnace structure defining a reaction chamber in which oxidant and fuel are reacted to form combustion products and having an anchor surface having an opening through which the oxidant and fuel are introduced into the ... | 01/06/2004 |
| 6652268 | Burner assembly A burner assembly including a housing having an air inlet and a burner end. An impeller that is mounted in the housing is in communication with the air inlet and adapted to direct air toward the burner end of the housing. The burner assembly also includes... | 11/25/2003 |
| 6652265 | Burner apparatus and method A burner apparatus is operated in a plurality of distinct modes. In a startup mode, flows of oxidant and primary fuel are ignited by an igniter and are provided simultaneously with a flow of secondary fuel until a process chamber reaches the auto-ignition... | 11/25/2003 |
| 6632084 | Burner configuration with primary and secondary pilot burners A burner configuration with primary and secondary pilot burners is described. The burner configuration is used in a firing installation, in particular a gas turbine combustion chamber, and has a main burner and, disposed centrally within it, a primary pil... | 10/14/2003 |
| 6623267 | Industrial burner An industrial burner assembly comprising a manifold with a fuel inlet and a longitudinal axis, and a plurality of elongated burners positioned radially about the longitudinal axis having fuel ports in communication with the manifold and fuel inlet, wherei... | 09/23/2003 |
| 6588475 | Device and method for welding overlapping roof membranes A device for welding overlapping roof membranes comprising a chassis, an air discharge chute and a flame distribution assembly communicating with the air discharge chute. The flame distribution assembly includes a gaseous fuel source inlet, a primary burn... | 07/08/2003 |
| 6575734 | Low emissions burner with premix flame stabilized by a diffusion flame A low emissions burner includes a diffusion burner surrounded by an annular array of premix burners. The diffusion burner operates at maximum swirl air flow and at a low constant fuel rate to reduce NOx emissions. The diffusion burner provides ... | 06/10/2003 |
| 6488496 | Compact combination burner with adjustable spin section A combination burner for selectively firing oil, natural gas and liquid propane. A modular first section has primary and secondary air tubes coaxially arranged therein and communicates with the main combustion air supply fan. A modular section is joined b... | 12/03/2002 |
| 6439882 | Dual fuel circuit gas burner Increased turndown ratio is achieved by providing an atmospheric gas burner having a burner body with a plurality of ports formed therein and a fuel flow divider disposed in the burner body. The fuel flow divider defines a primary fuel chamber and at leas... | 08/27/2002 |
| 6439881 | Spiral-shaped atmospheric gas burner Improved burner performance is achieved by providing an atmospheric gas burner with a spiral-shaped burner body. A plurality of ports is formed in the burner body so as to be in fluid communication with the burner's internal chamber. Preferably, the burne... | 08/27/2002 |
| 6422858 | Low NOx apparatus and methods for burning liquid and gaseous fuels Low NOx apparatus and methods for burning liquid and gaseous fuels are provided by the present invention. The apparatus of the invention is basically comprised of a housing having an open discharge end attached to a furnace space, means for int... | 07/23/2002 |
| 6394792 | Low NoX burner apparatus An improved burner for combustion of fuel gas with air in a manner to result in low NOx, the burner is generally circular and has a refractory tile and gas tips. The gas tips are spaced around the outer circumference of a generally circular pas... | 05/28/2002 |