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| Number | Title | Issue Date |
| 7388178 | Rapid thermal response induction heating system for platen embossing An induction heating system for the manufacturing of optical memory microstructure, wherein the thermal cycle allows the process web to be rapidly heated to the relaxation and re-flow temperature, followed by cooling to the optimum separation temperature in under 10... | 06/17/2008 |
| 7323666 | Inductively heatable components Aspects of the invention are found in a heating component having a composite material coated on a support. The composite material includes a fluorinated or silicone polymer and inductively-heatable particles. Additional aspects of the invention are found in a heatin... | 01/29/2008 |
| 7077993 | Apparatus for softening a selected portion of a steel object by heating Differential hardening apparatus for softening a portion only of a metal workpiece such as a die block consisting of apparatus for presenting a workpiece to a heat source which impinges heat directly on the workpiece and control means for causing the heat to be dire... | 07/18/2006 |
| 7049563 | Induction cooker with heating coil and electrical conductor An electric conductor provided for decreasing a lifting force exerted on an object being heated has an aperture of a small diameter in the center thereof, which leaves a large surface area to enhance reduction of the lifting force. The electric conductor is also pro... | 05/23/2006 |
| 7026587 | Composite cooking apparatus A composite cooking apparatus having a body, a heating unit, and an induction heating unit. The heating unit is positioned in the body to generate heat used to heat food. The induction heating unit is positioned adjacent to the heating unit to generate a magnetic fi... | 04/11/2006 |
| 6884975 | Localized stress relief by induction heating A system and method inductively heats and stress relieves a weld joint area having a stress induced zone. A susceptor assembly is positioned over the stress induced zone. The susceptor assembly includes susceptor sheets manufactured to operate at different, preselec... | 04/26/2005 |
| 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 |
| 6844533 | Induction heating apparatus An induction heating apparatus seals a container, such as a bottle, with a non-tampering seal. The induction heating apparatus has a concentrator and a coil assembly. The coil assembly includes multiple coil devices. Each coil device includes a bobbin with a central... | 01/18/2005 |
| 6770858 | Device for inductively heating metallic strips For optimum induction heating of metallic strips (1) of differing widths—particularly in the edge region—one multicoil transverse field inductor is positioned both above and below the strip (1) to be heated, whose coil axes are positioned verticall... | 08/03/2004 |
| 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 |
| 6764818 | Device for effecting heat transfer with a solution held in a through-hole well of a holding tray A holding plate for selectively heating and cooling samples in a solution has two opposing surfaces, and a plurality of cylindrically-shaped through-hole wells for holding the samples. Each well extends between the two surfaces of the holding plate, and has an aspec... | 07/20/2004 |
| 6633023 | Induction heating device for heating cooking vessels An induction heating device for heating cooking vessels includes at least three concentric inductors and implements a step of heating a load. For a load covering at least three inductors, at least one intermediate inductor that is covered and that is dete... | 10/14/2003 |
| 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 |
| 6498325 | Modular induction heated cooking hob having reduced radiation and a method of making the same A modular induction heated cooking hob inductor and hob are disclosed. The inductor is a wound conductor having turns at substantially right angles to previous turns. Parallel turns of the conductor are separated by a layer of insulation adjacent to the t... | 12/24/2002 |
| 6483088 | Electromagnetic induction heating device and image recording device using the same By freely adjusting the heat generation distribution of an object to be heated, the heat generation distribution which matches a purpose can be easily obtained. In an electromagnetic induction heating device including an object to be heated having at leas... | 11/19/2002 |
| 6369370 | Table top with induction heating elements having pole pieces cast in situ A kitchen cooktop surface in a material of nature, such as marble may be fitted with induction heating elements providing higher efficiency than mere placing in contact with the lower side of the cooktop. According to the invention the cooktop is hollowed... | 04/09/2002 |
| 6365883 | U-shaped adhesive bonding apparatus An induction heating coil for joining structural members by heating a bonding material disposed between the structural members includes first and second elements with complementary shapes spaced equidistantly apart along the length of opposing surfaces of... | 04/02/2002 |
| 6362462 | Induction hardening coil for a crankshaft An first induction hardening coil assembly according to one embodiment of the present invention comprises a coil having a top surface, an underside surface, and an inner coil curvature disposed between the top surface and the underside surface. The inner ... | 03/26/2002 |
| 6288374 | Coil and core structure for an induction cooktop Cooking ranges using heating by eddy currents caused by induction of high frequency energy are known, but they have losses caused by leakage fields. The invention provides heating unit in which the magnet coils are integrated into magnetic circuit where t... | 09/11/2001 |
| 6288375 | Conformable loop induction heating apparatus and method for accelerated curing of bonded members An induction heating apparatus and method for heating a substantially continuous first bondline defined by a length of thermally responsive bonding material positioned between a first member and a second member. The first member or second member is made o... | 09/11/2001 |
| 6153865 | Induction hardening apparatus for a crankshaft An induction hardening apparatus for inductively heating and quench hardening a crankshaft includes an arrangement of two workstations similarly configured and a robotic device indexing the crankshaft from a first workstation to a second workstation. The ... | 11/28/2000 |
| 6150644 | Method of curing winding coils of electrical machines Method and device for time-optimized curing of winding coils and/or rods of electrical machines having winding coils and/or rods with groove and coil face areas and have at least one individual conductor provided with a curable material. The coated conduc... | 11/21/2000 |
| 6147336 | Induction heaters for heating food, fluids or the like A cooking apparatus includes a fan 13 provided at the top wall of a heating chamber 2 with its front face directed downwards. A spiral coil 14 in the form of a flat disc is provided around a rotation shaft 12 above the heating chamber 2. When high-frequen... | 11/14/2000 |
| 6144019 | Inductor for an induction cooking area An inductor module for disposition below a cooking area plate of an inductor cooking area is disclosed. The inductor module includes a plate-shaped substrate and at least two inductor coils including a first inductor coil and a second inductor coil formed... | 11/07/2000 |
| 5999774 | Serial electrophotographic apparatus A serial electrophotographic apparatus has a carriage which is translated in a direction perpendicular to a direction in which recording paper is transported, a processing part effects electrophotographic printing, and a fixing unit effects fixing, wherei... | 12/07/1999 |
| 5902508 | Induction heating coil suitable for floating zone processing An induction heating coil used in a floating zone melting method, characterized in that the path of a high-frequency current is controllable in the body surface of the coil and by the use of the coil a more uniform resistivity profile across a diameter is... | 05/11/1999 |
| 5895599 | Induction heating device and continuous treatment installation including same A device for induction heating a continuously moving metal product in a protective atmosphere includes an induction system. A non-metallic and gas-tight enclosure is disposed around the moving product, between the product and the induction system. Uses in... | 04/20/1999 |
| 5889263 | Apparatus and a method for induction sealing A method and apparatus for induction sealing of a packaging material which includes a layer of aluminum foil. The apparatus includes an inductor with two parallel slightly spaced apart conductors which are disposed in an electrically insulated carrier por... | 03/30/1999 |
| 5876832 | Precured strips for Z-pin joining of composites Prefabricated composite detail parts use precured strips that include Z-pin reinforcement along the bond line. Each strip has Z-pin stubble protruding from opposed faces so that the pins are embedded into the detail parts when the joint forms.... | 03/02/1999 |
| 5866884 | High efficiency induction cooking-range The disclosed induction cooking range comprises, in the commonly known way, an upper plate made of glazed ceramic designed to receive a receptacle to be heated made of ferrite material, a monoconductor induction coil positioned beneath the upper plate on ... | 02/02/1999 |
| 5818013 | Process and device for inductive cross-field heating of flat metallic material A device for inductive cross-field heating of flat metallic goods has at least one pair of inductors having each one iron core provided with a groove for receiving a lead that extends in the transport direction. The grooves and leads of both inductors of ... | 10/06/1998 |
| 5808280 | Device for induction heating of a receptable and process for controlling such a device Device for induction heating of cooking receptacles, of the type comprising at least two concentric induction coils supplied by a generator. Each induction coil (I1, I2, I3) is supplied by a separate generator (G1 | 09/15/1998 |
| 5739506 | Coil position adjustment system in induction heating assembly for metal strip An adjustable width transverse flux heating apparatus for induction heating in the moving workpiece includes first and second elements disposed in the common plane to form an inductive coil. The first and second conductor elements define a middle spacing ... | 04/14/1998 |
| 5660753 | Apparatus for high frequency induction heating for the removal of coatings from metal surfaces An apparatus for heating a metal surface to remove a nonferrous thermosetting resin coating bonded to the metal surface. The apparatus uses a power supply device for providing an approximately 75-100 kW signal at approximately 10-40 kHz to the apparatus. ... | 08/26/1997 |
| 5571437 | Induction welding of tubing with multiple induction coils A method and apparatus in which edge portions of metal parts, the edge portions being disposed with opposed surfaces, are heated by high frequency electrical currents as the edge portions are advanced and brought together at a weld point. The electrical c... | 11/05/1996 |
| 5488219 | Induction heating coil assembly and method for hardening inner surface of cylinder by using the same An induction heating coil for forming a hardened layer in the inner wall of an external cylindrical member to be heated is disclosed. On the inner wall of the conductive induction member, a plurality of recess portions are formed at predetermined spaces c... | 01/30/1996 |
| 5403994 | Selectively adjustable transverse flux heating apparatus Transverse flux heating assembly for inductively heating a moving strip includes opposite spaced J-shaped conductors to form an inductive heating coil. The coils define a middle spacing therebetween which is unobstructed by flux guides to permit free tran... | 04/04/1995 |
| 5376774 | Low emission induction heating coil Solenoid coils are provided that produce relatively low irradiation of electromagnetic fields with intense fields internally thereof for purposes of heating a metallic element, preferably a ferromagnetic element having a Curie temperature selected for the... | 12/27/1994 |
| 5369249 | Inductor arrangement for an induction heating apparatus A heating apparatus for an electromagnetic cooker and the manufacturing method has an improved electromagnetic induction characteristic and its capacity can be easily changed. The heating apparatus comprises a substrate made of an insulating material, a p... | 11/29/1994 |
| 5336868 | Device for inductively heating flat metal materials A device for inductively heating flat metal objects, with at least one pair of induction coils which form a gap through which the object is moved. The induction coils have an iron core made up of transformer stampings with grooves in which current conduct... | 08/09/1994 |
