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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 |
| 7816631 | Inverter with a housing having a cooling unit The inverter housing (1) has a cooling unit (2) for cooling the electronic and/or electric components (4, 5, 5a) of the inverter. The housing (1) of the inverter comprises at least two chambers, the two chambers (7, 8) being... | 10/19/2010 |
| 7495197 | Method and apparatus utilizing first and second heating devices for heat treating a fuel assembly channel with induction heating In a method for heat treating a fuel assembly channel made of zircaloy, the channel is continuously moved relative to a heat-treatment device and, longitudinal sections of it are heated to the beta phase range in an inductive heating zone. The longitudinal section o... | 02/24/2009 |
| 7479621 | Magnetic annealing tool heat exchange system and processes A heat exchange system and processes for a magnetic annealing tool is provided. The system includes a process chamber housing workpieces to be processed; an element chamber partly surrounding the periphery of the process chamber, at least one vacuum for drawing a va... | 01/20/2009 |
| 7449663 | Inductive heating apparatus and method Apparatus and method for inductive heating wherein an internal inductive heating assembly is provided within a bore of a solid article. The heating assembly includes an interior coil inductively coupled to a portion of the article adjacent the bore to inductively he... | 11/11/2008 |
| 7424045 | Method and apparatus for heating a workpiece in an inert atmosphere or in vacuum An induction furnace includes a cylinder, a top and bottom cover that seal the top and bottom ends of the cylinder, and coolant passages within the cylinder and the covers. The induction furnace further includes a power supply and a coil. The coil surrounds the cham... | 09/09/2008 |
| 7390994 | Electric cooker having a composite heat source An electric cooker having a composite heat source includes an external case having an air inlet and an air outlet, a cooking plate mounted on an upper surface of the external case to be a top plate thereof, a heat generating unit mounted between the external case an... | 06/24/2008 |
| 7388177 | Mobile induction brazing and quenching machine An induction brazing and quenching apparatus and related method of coupling components together. ... | 06/17/2008 |
| 7385162 | Heater unit and electric cooker equipped therewith A heater unit comprises: a hot wire heating unit; an induction heating unit provided adjacent to the hot wire heating unit and operated by induction heating; and connectors each for connecting the hot wire heating unit to the induction heating unit. A cooker compris... | 06/10/2008 |
| 7212406 | Cooling of electrical components with split-flow closed-end devices A cooling system (11) is provided for electrical components (10, 90) in which passageways (21) are inserted in non-magnetic cores of the electrical components, and in which the passageways (21) provide both inflow and outflow of a cooling... | 05/01/2007 |
| 7211774 | Induction heating system The invention is an induction heating system comprising a first article having a metallic mesh lining; and a second article having a coil for receiving an alternating electrical current; wherein the coil induces a current in the metallic mesh lining when the second ... | 05/01/2007 |
| 7193188 | Temperature control system for controlling heat treatment of metals, that is heating, soaking and cooling by a single frequency converter The purpose of the present invention is to create a temperature control system applied in heating and cooling phases of thermal processing. The invented temperature control system consists of a single frequency converter F to whose output, through contactors, are si... | 03/20/2007 |
| 7157676 | Device with a cooling unit for thermally clamping and releasing tools in shrink-fit chucks A device (10) for thermally clamping and releasing tools (11) in shrink-fit chucks (12), having a socket (15) for a shrink-fit chuck (12), a heating unit (16) that can be moved toward and away from the mounted shrink-fit chu... | 01/02/2007 |
| 7135661 | Induction heating cooker with horizontal exhaust passage An induction heating cooker with improved discharge capability and cooling performance comprises a cooking plate 200 formed with a cooking vessel thereon; a cooking body 310 coupled to the cooking plate 200 to define a receiving space 311... | 11/14/2006 |
| 7129808 | Core cooling for electrical components A cooling system is provided for electrical components in which cooling assemblies (11, 45) are inserted in non-magnetic cores of the electrical components, and in which tubes provide both inflow and outflow of a cooling medium. The non-magnetic cores may be ... | 10/31/2006 |
| 7122770 | Apparatus for delivery of induction heating to a workpiece A method and apparatus for inducing heat within a workpiece. A flexible fluid-cooled induction heating cable is used to produce a magnetic field to induce electric current in a workpiece. The induction heating cable has separate fluid and electrical connectors to se... | 10/17/2006 |
| 7119310 | U-flow ventilated sealing head An inductive cap sealer (10) for sealing an inner seal over an opening (54) in container (52) includes a vented sealing head (12). The sealing head (12) contains an induction coil (24) for producing an electromagnetic field ... | 10/10/2006 |
| 7065941 | Induction foil cap sealer An sealing system includes a frame, a ferrite core disposed within the frame, and a litz wire coil disposed proximate to the ferrite core for producing an electromagnetic field within the ferrite core, where the ferrite core and litz wire coil are adapted to direct ... | 06/27/2006 |
| 7038178 | Image heating apparatus of electromagnetic induction heating type The image heating apparatus includes a heating member, a first coil unit having a first holder in which a first excitation coil is sealed, the first excitation coil being provided for generating a magnetic field to induce an eddy current in the heating member, and a... | 05/02/2006 |
| 7019270 | System for reducing noise from a thermocouple in an induction heating system A method and apparatus for reducing electrical noise in an electrical signal from a temperature feedback device to an induction heating system. The induction heating system has an electrical connector that is adapted to electrically couple a temperature feedback dev... | 03/28/2006 |
| 7015439 | Method and system for control of on-site induction heating A workpiece heating system having an induction heating power source and a controller. The controller is operable to control the operation of the power source according to programming instructions received from a user. The controller enables a user to establish a seq... | 03/21/2006 |
| 6989518 | Method of sealing a foil cap to a container A method of sealing a foil cap to the opening of a container by induction heating is provided. A heat pipe is used to transfer heat from an induction sealing head assembly. ... | 01/24/2006 |
| 6956189 | Alarm and indication system for an on-site induction heating system An induction heating system having a fluid cooling unit, a power source, an induction heating device, a controller, and an alarm system to place the system in a safe condition when an improper operating condition is detected. The induction heating system may have a ... | 10/18/2005 |
| 6911089 | System and method for coating a work piece A method and apparatus for coating a work piece. The system comprising an applicator adapted to travel over a portion of the work piece. The system being operable to heat the work piece and/or apply a coating onto the work piece as the applicator travels over the wo... | 06/28/2005 |
| 6907796 | Temperature-controlled injector for a chemical analysis unit The invention relates to a temperature-controlled injector for a chemical analysis unit, in particular a gas chromatograph, comprising an injector tube, which can be received by a receiving tube, having a cooling system, which surrounds the receiving tube, through w... | 06/21/2005 |
| 6900420 | Cooled induction heating coil The present invention relates to an induction heating coil comprising a litz cable which is wound into a spiral to form a bobbin, and means for cooling said cable indirectly. The litz cable is arranged to be cooled by means of an indirect cooling system that compris... | 05/31/2005 |
| 6884976 | Induction heating for localized joining of structural members An apparatus and a method for forming a localized joint in at least one structural member are provided. The apparatus includes a tool that corresponds to a joint portion of the structural member. An induction coil is disposed in the tool, and a power source is confi... | 04/26/2005 |
| 6793894 | Pyrochemical reprocessing method for spent nuclear fuel and induction heating system to be used in pyrochemical reprocessing method This invention is provided for improvement of corrosion-resistant property of a crucible and for promotion of safety in a pyrochemical reprocessing method for the spent nuclear fuel. The spent nuclear fuel is dissolved in a molten salt placed in the crucible. In a p... | 09/21/2004 |
| 6765181 | Inductor assembly An apparatus and process are provided for induction heat treatment of electrically conductive workpieces. The inductor assembly is formed from a single piece inductor that utilizes an electrically non-conductive top, side and bottom frames to hold flux concentrators... | 07/20/2004 |
| 6744023 | Method and apparatus for cooling a CVI/CVD furnace A method and apparatus for cooling a furnace configured for processing refractory composites comprising a cooling gas flowed in a closed circuit through the furnace and over a cooling element disposed within the furnace. The cooling gas can flow either by natural co... | 06/01/2004 |
| 6732495 | Induction foil cap sealer An sealing system includes a frame, a ferrite core disposed within the frame, and a litz wire coil disposed proximate to the ferrite core for producing an electromagnetic field within the ferrite core, where the ferrite core and litz wire coil are adapted to direct ... | 05/11/2004 |
| 6727483 | Method and apparatus for delivery of induction heating to a workpiece A method and apparatus for inducing heat within a workpiece. A flexible fluid-cooled induction heating cable is used to produce a magnetic field to induce electric current in a workpiece. The induction heating cable has separate fluid and electrical connectors to se... | 04/27/2004 |
| 6713735 | Induction foil cap sealer An induction foil cap sealer includes a sealing head module and power supply module that can be separately mounted and replaced. Both modules are convection air-cooled without a requirement for forced air-cooling or water cooling. ... | 03/30/2004 |
| 6693264 | Vacuum and gas tight enclosure for induction heating system Gastight and vacuum-tight chamber intended to be used in a device for heating a product advancing inside the chamber by electromagnetic induction, characterized in that it comprises a gastight and vacuum-tight sheath made of an electrically insulating, ga... | 02/17/2004 |
| 6689995 | Apparatus and method for healing a workpiece of metal The invention relates to an apparatus and a method for heating a workpiece of an inductively heatable material, for example a turbine blade. Such a turbine blade consists of a massive blade base and a low-mass blade leaf. To enable the blade base and blad... | 02/10/2004 |
| 6680466 | Shrinkage device for tools, especially for hard metal tools A shrinkage device for rapidly shrinking and outshrinking tools, especially hard metal tools, in so-called shrinkage tension chucks using an induction heating coil, wherein a plurality of shrinkage chucks of paramagnetic or ferromagnetic materials can be ... | 01/20/2004 |
| 6649022 | Ventilated sealing head for induction sealer An inductive cap sealer for sealing an inner seal over an opening in a container includes a vented sealing head. The sealing head contains an induction coil for producing an electromagnetic field when energized by a power supply. Field focusing elements c... | 11/18/2003 |
| 6639196 | Method and apparatus for cooling a CVI/CVD furnace A method and apparatus for cooling a furnace configured for processing refractory composites comprising a cooling gas flowed in a closed circuit through the furnace and over a cooling element disposed within the furnace. The cooling gas can flow either by... | 10/28/2003 |
| 6635009 | Magnetic field applicator for heating magnetic substances in biological tissue A magnetic field applicator to heat magnetic substances in biological tissue, having a magnetic yoke with two pole shoes across from each other and separated from each other by a distance that defines the magnetic field exposure volume produced by the app... | 10/21/2003 |
| 6633480 | Air-cooled induction foil cap sealer An induction foil cap sealing system includes a ferrite core having a plurality of openings therethrough and a mounting plate with a plurality of openings therethrough which are aligned with the plurality of openings in the ferrite core. Air is directed t... | 10/14/2003 |
| 6575893 | Magnetic field applicator for heating magnetic substances in biological tissue A magnetic field applicator to heat magnetic substances in biological tissue, having a magnetic yoke with two pole shoes across from each other and separated from each other by a distance that defines the magnetic field exposure volume produced by the app... | 06/10/2003 |
