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| Number | Title | Issue Date |
| 7781708 | System for inductive heating of workpiece using coiled assemblies A system for inductively heating a workpiece including a heating coil that surrounds the sides and ends of the workpiece, wherein the heating coil comprises a first coil assembly that encloses a first portion of the workpiece and a second coil assembly that encloses... | 08/24/2010 |
| 7427329 | Temperature control for single substrate semiconductor processing reactor A reactor for heat treatment of a substrate having a process chamber within a substrate enclosing structure, and a support structure configured to position a substrate at a predetermined spacing between the upper part and the bottom part within the process chamber d... | 09/23/2008 |
| 7291817 | Scan induction heating An apparatus and process are provided for scan induction heating of a workpiece. The workpiece is moved through an inductor to inductively heat treat features of the workpiece with electric power of varying frequency and duty cycle to control the magnitude of electr... | 11/06/2007 |
| 7248955 | Vehicle accessory proximity sensor slide switch A method is provided for operating a proximity sensing unit for controlling an accessory device of a vehicle. A plurality of proximity sensors is disposed in a sequential pattern within a sensing unit whereby the proximity sensors are responsive to a manual activati... | 07/24/2007 |
| 7183526 | Apparatus and method for heating works uniformly through high frequency induction coils A high frequency induction-heating device 3 of the apparatus 1 for heating work includes a pair of opposite work coils accommodated within the coil casings 17 and 19 respectively. The casings 17 and 19 can be displaced in a ... | 02/27/2007 |
| 7161122 | Assembly packaging using induction heating An embodiment of the present invention is a technique to package a device. Heat is localized on a die having bumps on a package substrate using a first induction heater operating at a first frequency. Heat is localized on at least an integrated heat spreader (IHS), ... | 01/09/2007 |
| 7135660 | Induction heating type fixing device for an image forming apparatus and induction heating coil therefor An induction heating type fixing device for an electrophotographic image forming apparatus is disclosed. An inducting heating coil has a plurality of bobbins each having a particular diameter and assembled in a telescopic manner. A particular conductor is wound roun... | 11/14/2006 |
| 7105783 | Fixing device using induction heating In a fixing device according to this invention, coils are formed on a coil bobbin having a predetermined shape at an induction heating portion including a plurality of coils. In order to minimize the temperature difference of a heating roller in the axial direction,... | 09/12/2006 |
| 7060952 | Induction heating coil device An induction heating coil device includes a workpiece having one or more planar surfaces, and an induction coil having a number of coil turns arranged in inwardly converging shape and arranged to have planes of the coil turns offset from each other for generating hi... | 06/13/2006 |
| 7015436 | Apparatus for the heat treatment of foodstuffs and feedstuffs, in particular for the production of bakery products An apparatus for the heat treatment of foodstuffs and feedstuffs, in particular for the production of bakery products, such as wafer products, has a continuously moving conveying device, a device for depositing the product on the conveying device, and a device for r... | 03/21/2006 |
| 6963057 | Simultaneous induction heating of multiple workpieces Multiple workpieces are inductively heated by passing them through one or more induction heating coils. Passage of a section of each workpiece through a coil may oscillate in the forward and reverse directions, independent of the movement of the other workpieces, on... | 11/08/2005 |
| 6946629 | Induction heating type fixing device for an image forming apparatus and induction heating coil therefor An induction heating type fixing device for an electrophotographic image forming apparatus is disclosed. An inducting heating coil has a plurality of bobbins each having a particular diameter and assembled in a telescopic manner. A particular conductor is wound roun... | 09/20/2005 |
| 6919545 | Device for advancing even distribution of high cycle wave magnetism The present invention of a device for advancing even distribution of high cycle wave magnetism uses a coil body having characteristics of conducting high cycle wave magnetism energy. The coil body is coiled in such a way that appears to have undulating distributed l... | 07/19/2005 |
| 6822207 | Continuous product conveyor having a brick baking hearth A method and apparatus for merging the processes of hearth baking and conveyor baking to offer the benefits of the two processes while eliminating many of the shortcomings. In one aspect, the present invention is a horizontal food-grade product conveyor to transport... | 11/23/2004 |
| 6815649 | Device and method for inductive billet heating with a billet-heating coil A device for inductive billet-heating includes a single or multi-layer billet-heating coil (4) for a round billet (5), in which the billet-heating coil (4) is made up of one or more consecutive, galvanically separated zones. The zones are suppli... | 11/09/2004 |
| 6799712 | Conveyor oven profiling system A system is disclosed for determining optimal process settings for a conveyor oven, such as a reflow oven used to reflow solder paste on a PCB assembly. According to a disclosed embodiment, an ideal temperature profile is obtained from the solder paste specification... | 10/05/2004 |
| 6747252 | Multiple head induction sealer apparatus and method A multiple head induction sealing system includes at least two ferrite cores mounted which are channel-shaped and arranged so that the open ends of the channels are aligned either perpendicular or parallel to a workflow direction established as the objects to be hea... | 06/08/2004 |
| 6689993 | Method and device for induction heating a roll A device for heating a roll in a paper or paperboard machine or in a finishing machine for paper or paperboard the device including a profiling induction heater (5) which is arranged to heat the roll (3) with a power dependent on the location of the point... | 02/10/2004 |
| 6677560 | Apparatus for inductively heating a workpiece 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... | 01/13/2004 |
| 6635856 | Billet induction heating A plurality of billets are inductively heated in a staged process wherein the output current of a power supply is repeatedly time shared among a plurality of induction coils within which the plurality of billets have been placed. The time periods of the a... | 10/21/2003 |
| 6573485 | Induction heating roller apparatus of image formation apparatus An induction heating roller apparatus that varies temperature distribution in the axial direction of a heating roller. The apparatus includes a heating roller and a plurality of induction coils arranged separately along an axial direction of the heating r... | 06/03/2003 |
| 6555801 | Induction heating coil, device and method of use The invention provides an improved induction heating coil, an induction heating device including the induction heating coil and a method for heating a workpiece with the induction heating device. The induction heating coil for heating a workpiece includes... | 04/29/2003 |
| 6495811 | Induction heating device and method, and processor An induction heating device having a hollow cylindrical body made of electrically conductive material, at least one primary induction coil and at least one auxiliary induction coil, the at least one primary induction coil and the at least one auxiliary in... | 12/17/2002 |
| 6316754 | Frequency selected, variable output inductor heater system An induction heating systems using a plurality of zones in a coil provides selective heating control for better uniformity especially for semiconductor and other thin film processing applications. By arranging the zones to have different resonance frequen... | 11/13/2001 |
| 6300608 | Induction heating coil and induction heating device using the induction heating coil There are provided an induction heating coil for carrying out high frequency induction heating (heating during movement) of a hot rolled steel or the like by surrounding the hot rolled steel or the like which is placed on a plurality of conveying rollers ... | 10/09/2001 |
| 6288377 | Varnish oven for manufacturing process A varnish oven (10), including a preheating station (12), a temperature homogenization station (14), a varnish application station (16), a varnish curing station (18), a cooling station (20), a conveyor system (24) and a control system (38). The conveyor ... | 09/11/2001 |
| 6222167 | Impedance matching apparatus for induction heating type galvanized steel sheet alloying system and method An alloying system for a galvanized steel sheet, the alloying system using an induction heating coil, wherein an impedance matching apparatus is provided between the induction heating coil and a high frequency power source. The impedance matching apparatu... | 04/24/2001 |
| 6198083 | Method and apparatus for heat treating wires A process for heat treating steel wires in which the wires are passed through an induction furnace with induction coils connected in series to a common power supply. No more than one wire passes through any one of the induction coils. The wires are heated... | 03/06/2001 |
| 6180933 | Furnace with multiple electric induction heating sections particularly for use in galvanizing line A furnace for heating ferrous metal workpiece is made up of a plurality of pairs of furnace sections with each pair of furnace section having a longitudinal flux inductors with controls for rapidly adjusting the heating rate according to a desired workpie... | 01/30/2001 |
| 6166360 | Heat treating of metallurgic article with varying aspect ratios This invention provides methods for rapidly heating a metal part of varying thickness. In general, the invention provides methods comprising heating the thicker section(s) of the part by induction heating and the thinner section(s) by resistance heating. ... | 12/26/2000 |
| 6121592 | Induction heating device and process for the controlled heating of a non-electrically conductive material An induction heating device for controlling the temperature distribution in an electrically conductive material, or susceptor, when heated by induced eddy currents in the material. A non-electrically conductive material can be heated in a controlled manne... | 09/19/2000 |
| 6043471 | Multiple head inductive heating system A system and method for inductively heating a workpiece includes a controller and a plurality of power supplies that receive and send signals to the controller. Induction heads receive power from the power supplies. The induction heads may be aligned with... | 03/28/2000 |
| 6031211 | Zone heating system with feedback control A structure and method are disclosed which allow for a tighter control of the temperature across a wafer substrate. In accordance with the present invention, a wafer to be processed is heated to a constant and uniform temperature by an RF induction coil i... | 02/29/2000 |
| 6008480 | Induction heating apparatus and method for fusing battery cell terminals An induction heating method and apparatus for simultaneously and efficiently fusing battery cell terminal posts and bushings in a battery production line. The apparatus includes an induction heating generator having a T-shaped bus bar for symmetrically su... | 12/28/1999 |
| 5990464 | Method for producing hot rolled steel sheet using induction heating and apparatus therefor A method and hot rolling apparatus for producing a hot rolled steel sheet include a roughing rolling mill to roughing roll a heated slab into a sheet bar, at least one solenoid-type induction heater arranged for re-heating the sheet bar over its entire wi... | 11/23/1999 |
| 5977527 | Changeover fixture for induction brazing work station A fixture for an induction brazing station includes a removable front plate on which is mounted a work piece holder. The base of the induction unit mounts to a back plate lying coplanar with the front plate on the work surface. The coil of the induction u... | 11/02/1999 |
| 5824998 | Joining or welding of metal objects by a pulsed magnetic force A method of joining or welding of at least a portion of a first metal workpiece to at least a portion of one or more second metal workpieces, comprising inducing movement in said portion of the first workpiece by means of a pulsed magnetic force so as to ... | 10/20/1998 |
| 5777299 | Induction generator to heat metallic pipes with a continuous process under a controlled atmosphere An induction heating generator is described for braze-welding metallic pipes with a continuous process under a controlled atmosphere, comprising at least one heating inductor composed of two half-inductors in series whose winding directions for their wind... | 07/07/1998 |
| 5773797 | Induction heated steam generating system The steam generating system utilizing a first container having a liquid chamber. The first container is surrounded by a conducting coil for generating a field and producing eddy currents on the container. Steam produced in the first container is sent to a... | 06/30/1998 |
| 5770838 | Induction heaters to improve transitions in continuous heating system, and method A heating system and method for heating a metal strip to within a predetermined temperature tolerance range while the metal strip serially travels through a heating system. The heating system has at least one preceding heating section, at least one induct... | 06/23/1998 |
