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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 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 |
| 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 |
| 6959536 | Fuel pump metering system The present invention provides a widely variable and yet precisely controlled system for metering the flow of fuel to an engine component. The present invention utilizes a plurality of solenoid activated injector valves to meter fuel into an output plenum where the ... | 11/01/2005 |
| 6544029 | Methods and apparatus for combustion in high volatiles environments Methods and apparatus for combusting a fuel with an oxidant are described, the apparatus comprising a ceramic burner block, the burner block having a back face and a front face. The burner block has at least one oxidant cavity in an upper portion of the b... | 04/08/2003 |
| 6419480 | Method and apparatus for providing low level Nox and CO combustion A low NOx and CO emission heating apparatus provides for substantially separate fuel and combustion air feeds into a combustion chamber provided at one end with an exhaust gas opening and, at an opposite end with an elongated porous air distrib... | 07/16/2002 |
| 6074197 | Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams A burner assembly having improved flame length and shape control is presented, which includes in exemplary embodiments at least one fuel fluid inlet and at least one oxidant fluid inlet, means for transporting the fuel fluid from the fuel inlet to a plura... | 06/13/2000 |
| 6004127 | Oil burner A heating system with a combustion chamber into which fuel is fed via a fuel feed unit in the form of an injection device which operates on the energy-storage principle and has a pump and a nozzle device which delivers bursts of fuel in specified quantiti... | 12/21/1999 |
| 5975886 | Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams A burner assembly having improved flame length and shape control is presented, which includes in exemplary embodiments at least one fuel fluid inlet and at least one oxidant fluid inlet, means for transporting the fuel fluid from the fuel inlet to a plura... | 11/02/1999 |
| 5505146 | Burner pattern to minimize sidewall corrosion potential A burner system for a furnace includes horizontal rows of cell burners some of which contain a secondary air port vertically spaced from a coal nozzle. The cell burners are in the front and rear walls of the furnace. Near the side walls of the furnace, wh... | 04/09/1996 |
| 5456596 | Method and apparatus for producing multivortex fluid flow A multivortex device is provided comprising a series of adjacent plates with specially designed grooves and perforations which, when mounted transversely of a uniform fluid flow in a duct, results in the formation of numerous small adjacent flow vortices ... | 10/10/1995 |
| 5417564 | Method and apparatus for altering the firing pattern of an existing furnace A new and improved method and apparatus for altering the firing pattern of an existing furnace of the type including at least one pair of vertically spaced apart burners mounted on a wall of the furnace and supplied with secondary air from a common windbo... | 05/23/1995 |
| 5205226 | Low NOx burner system A low NOx burner system for a furnace having spaced apart front and rear walls, comprises a double row of cell burners on each of the front and rear walls. Each cell burner is either of the inverted type with a secondary air nozzle spaced verti... | 04/27/1993 |
| 5139414 | Burner having primary and secondary combustion chambers A burner has first and second nozzles communicated with a combustion chamber and defined in a wall structure surrounding the combustion chamber. The first and second nozzles are opposed to each other and positioned adjacent an exit opening of a fuel suppl... | 08/18/1992 |
| 5033958 | Burner for a hot-blast furnace A burner for a hot-blast furnace has a guidance portion, a channel portion and a mixing portion. The guidance portion serves as an air and gas intake, and is divided into a plurality of separate compartments by thin walled plates. Some of the compartments... | 07/23/1991 |
| 4909728 | Combustion apparatus A burner includes a number of flame ports each having a fuel supply passage and provided on a pair of opposite walls of a combustion chamber such that each of the walls and the fuel supply passages define a cooling passage. In the burner, a wide stable fl... | 03/20/1990 |
| 4784043 | Atomizer and coal-water slurry fired boiler utilizing the same An atomizer including a fuel supply passage for supplying a fuel, an atomizing medium supply passage for supplying an atomizing medium which is to be mixed with the fuel, a mixing chamber in communication with the fuel supply passage and the atomizing med... | 11/15/1988 |
| 4756685 | Strip edge heating burner A burner 10 for the edge heating of strip metal travelling between a furnace and a rolling mill comprises a body 12 having two chambers 16, 18 separated by a dividing wall 14. A multiplicity of square tubes 24 connect the first chamber 16 with an upper su... | 07/12/1988 |
| 4199024 | Multistage gas generator A multistage gas generator for use in a borehole for recovering hydrocarbons from the subsurface formations. The gas generator has an upper end and a lower restricted outlet. A pilot stage is located at the upper end and a plurality of spaced apart interm... | 04/22/1980 |
