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| Number | Title | Issue Date |
| 8383998 | Tooling inserts for laminated tooling An apparatus may comprise a first tool die and a second tool die, each having a tool base. Each tool base may have a laminated structure that has a plurality of spaced metallic laminations. The laminated structure may have a truncated portion forming a cavity config... | 02/26/2013 |
| 7687747 | Electromagnetic heating cable and warming mat using the same An electromagnet heating cable includes a center core, an inner layer body formed around the center core, an intermediate layer body formed around the inner layer body, an outer layer body formed around the intermediate layer body, an inner layer coil having a magne... | 03/30/2010 |
| 7410611 | In-line method and apparatus to prevent fouling of heat exchangers The present invention relates to a method and apparatus for the prevention of fouling of process streams by the application of electric charge on process components. The electric charge may be attractive or repulsive to the foulants, they may be constant or variable... | 08/12/2008 |
| 7378624 | Method of welding a component inside a hollow vessel A method of welding plastic components using an induction weldable plastic material to a wall of a hollow plastic vessel entails providing a metal disk to a first plastic component, providing the first plastic component with a weldable plastic material, inserting th... | 05/27/2008 |
| 7372007 | Medium voltage heater element An electrical heater bundle has heater elements, each including a metal tube, an electrical resistance coil within the tube, a conductor pin connected to the coil and protruding from an end of the tube, and an electrical insulation powder surrounding the coil within... | 05/13/2008 |
| 7323667 | Curie temperature thermostat for a eddy current heating device and method The device and method are used for controlling eddy currents generated by an electro-magnetic heater having at least one magnetic field producing element. To control the heater, a source of heat is used to heat a Curie temperature material, located adjacent to the m... | 01/29/2008 |
| 7323668 | Workpiece carrier for the inductive heating of workpieces, process for producing a ceramic material for the workpiece carrier and process for the inductive heating or hardening of workpieces A workpiece carrier for the inductive heating of workpieces contains ceramic materials at least at bearing surfaces which come into contact with the workpieces. The ceramic materials are distinguished by a high dimensional stability, low thermal and electrical condu... | 01/29/2008 |
| 7271370 | Yarn guiding godet with magnetic bearings A godet for guiding at least one advancing yarn in a yarn processing operation. The godet comprises a tubular casing which is mounted for free rotation on a support by means of a plurality of bearings. At least one of the bearings is a radially operative magnetic be... | 09/18/2007 |
| 7227108 | Dispenser assemblies and systems including a heat storage unit A heat storage unit (2) includes a body having a passage (12) formed therein through which a flowable product passes. A heatable element (10) is incorporated within the body of the heat storage unit (2) in thermal communication with the p... | 06/05/2007 |
| 7208707 | Dispenser assemblies and systems including a heat storage unit A heat storage unit (2) includes a body having a passage (12) formed therein through which a flowable product passes. A heatable element (10) is incorporated within the body of the heat storage unit (2) in thermal communication with the p... | 04/24/2007 |
| 7202450 | Induction coil design for portable induction heating tool A portable induction tool is provided for soldering or brazing sections of metal pipe together. A work coil head (with induction coil) is U-shaped, allowing placement of the head around lengths of pipe, heating a susceptor (e.g., the pipe) to form a joint, and then ... | 04/10/2007 |
| 7132628 | Variable watt density layered heater A layered heater is provided with a resistive layer having a resistive circuit pattern, the resistive circuit pattern defining a length and a thickness, wherein the thickness varies along the length of the resistive circuit pattern for a variable watt density. The p... | 11/07/2006 |
| 7049540 | Process and apparatus for cutting or welding a workpiece A metal jet cutting system, which includes a jetting heat, a heater and a power source, is used for modifying a workpiece. The jetting head includes a crucible and an inlet for receiving a feed stock of a conductive material. The heater melts the conductive material... | 05/23/2006 |
| 6875966 | Portable induction heating tool for soldering pipes A portable induction tool is provided for soldering or brazing sections of metal pipe together. A work coil head (with induction coil) is U-shaped, allowing placement of the head around lengths of pipe, heating a susceptor (e.g., the pipe) to form a joint, and then ... | 04/05/2005 |
| 6858823 | Infrared heater using electromagnetic induction The invention concerns a heater made of a material (5) responsive to induction and capable of sustaining high temperatures. It further comprises at least an insulating thickness with low thermal conductivity, in particular a low temperature insulation (3 | 02/22/2005 |
| 6653608 | Oxidation protected susceptor A single or multilayer smart susceptor for temperature control of part fabrication in an induction processing system generally consists of single layer or laminated layers of ferromagnetic material susceptible to heating by induction. The use of the susce... | 11/25/2003 |
| 6195525 | Electromagnetic induction heating device and image recording device using the same The electromagnetic induction heating device has a simple construction, holds an object to be heated in a favorable heating condition while effectively suppressing the irregularities of heat generation of the object to be heated, and reduces an energy con... | 02/27/2001 |
| 6177660 | Magnet type heater An auxiliary heater is provided for heating a fluid flowing through a pipe. The heater includes a conductor mounted in proximity to the pipe. A magnet is opposed to the conductor with a small gap therebetween. Relative rotation is generated between the co... | 01/23/2001 |
| 6124580 | Screed for a paver having a tamper bar heated by induction A screed for a paver has a baseplate and at least one tamper bar arranged in front of the baseplate. The tamper bar extends transversely to the paving direction and is movable in upward and downward directions by means of an eccentric drive and is capable... | 09/26/2000 |
| 5869814 | Post-weld annealing of thermoplastic welds The present invention is a method for improving the strength and quality of thermoplastic welds by annealing the weld following its formation at a temperature of at least about 500° F. (i.e., about 125° F. below the melt) for about 20 minutes to control... | 02/09/1999 |
| 5844212 | Dual surface heaters A dual plate heater provides two parallel temperature self-regulating heater plates or wire mesh comprising ferromagnetic material with one or more electrically energized coils parallel to and located between the heater plates which coil(s) when energized... | 12/01/1998 |
| 5801359 | Temperature control that defects voltage drop across excitation coil in image heating apparatus A temperature detecting apparatus, includes an excitation coil magnetically couplable with metal layer of a heater, the excitation coil being supplied with an AC electric energy; and a detector for detecting a voltage drop, across the excitation coil, whi... | 09/01/1998 |
| 5723844 | Heating system using ferrite to convert RF energy into heat energy A system for using a ferrite element to convert RF energy into heat consists only of the ferrite element, an RF generator and a cable connecting the ferrite element to the RF generator. No external impedance matching mechanism is needed, and the preferred... | 03/03/1998 |
| 5688426 | Hybrid metal webbed composite beam A hybrid metal webbed composite beam includes a metal I or T web section and a composite cap formed over and adhered to the I or T web. The beam incorporates advantages of metals and composites in modern aerospace construction allowing thermoplastic weldi... | 11/18/1997 |
| 5683607 | ଲ-annealing of titanium alloys Capitalizing on the unique feature of our induction heating workcell that permits rapid and controlled heating and cooling of a workpiece within a wide temperature range permits combining several manufacturing operations into a single heating cycle to sav... | 11/04/1997 |
| 5645744 | Retort for achieving thermal uniformity in induction processing of organic matrix composites or metals For forming or consolidating organic matrix composites, for example, an organic matrix composite panel is sealed in a "retort" between sheets of a susceptor material that is susceptible to induction heating. The susceptor sheets are heated inductively. Th... | 07/08/1997 |
| 5592753 | Method and apparatus for separating volatile components from a base material A method for separating volatile components from a particulate base material by induction heating, which method comprises: heating a particulate base material in an induction heating vessel within a gas-tight reactor by induction heating; agitating said p... | 01/14/1997 |
| 5558495 | Electromagnetic heating devices, particularly for ram air turbines Apparatus is provided for creating heat by electromagnetic induction between relatively rotating components. In RAT applications, part of the nose cone (34) is formed from electrically conductive material (106) which is in thermally conductive relation to... | 09/24/1996 |
| 5556565 | Method for composite welding using a hybrid metal webbed composite beam A hybrid metal webbed composite beam includes a metal I or T web section and a composite cap formed over and adhered to the I or T web. The beam incorporates the advantages of metals and composites in modern aerospace construction allowing thermoplastic w... | 09/17/1996 |
| 5528020 | Dual surface heaters A dual plate heater provides two parallel temperature self-regulating heater plates or wire mesh comprising ferromagnetic material with one or more electrically energized coils parallel to and located between the heater plates which coil(s) when energized... | 06/18/1996 |
| 5525780 | Method and apparatus for uniform semiconductor material processing using induction heating with a chuck member A multipurpose chuck apparatus (100) has a chamber (112) for holding a medium (114). The medium (114) is heated into a high temperature molten state by a radio frequency induction heating coil (130). The medium (114) heats up a semiconductor material (118... | 06/11/1996 |
| 5504308 | Synthetic resin tube for bending use and its bending method A bendable synthetic resin tube includes a tube member made from thermoplastic synthetic resin, and a high-frequency induction heat generating layer which includes a heat generating member chiefly containing a material capable of inductively generating he... | 04/02/1996 |
| 5427846 | System for producing heat in alternating magnetic fields This invention provides a system for providing heating in an alternating magnetic field using lossy heat producing magnetic particles. This invention discloses a system comprising a combination of particles wherein the first particles are lossy heat produ... | 06/27/1995 |
| 5412182 | Eddy current heating for hyperthermia cancer treatment An interstitial heater, made of an electrically conductive tube with a wire wound in a toroidal configuration about the tube and connected to a capacitor to form a tank circuit, is driven with a radiofrequency power source at resonance to provide tissue h... | 05/02/1995 |
| 5401938 | Rotary drop former with electrical inductive heater A drop former includes an outer rotary steel body having circumferentially spaced openings which successively reach a lower discharge position to enable viscous material to drop onto a cooling conveyor from within the outer body. An inner steel body, whic... | 03/28/1995 |
| 5389765 | Arrangement for severing the tension member of a soil anchor at a predetermined location by induction heating An arrangement for severing a tension member of a permanent soil anchor of ferromagnetic material at a predetermined location includes a coil surrounding the tension member in a tubular manner at the predetermined location, wherein the coil is mountable t... | 02/14/1995 |
| 5324904 | Reactors for effecting chemical processes An inductively heatable reactor for effecting fluid phase chemical processes. The reactor comprises an inductively heatable, fluid permeable reactor element having at least one solid block in which is provided a plurality of fluid conveying ducts which ex... | 06/28/1994 |
| 5288960 | Process and apparatus for thermal cutting of workpieces Process and apparatus for thermal cutting of workpieces, such as plate, made of materials which can be melted or decomposed thermally by means of a stream of liquid heated to a temperature above the melting or decomposition temperature of the workpiece to... | 02/22/1994 |
| 5274207 | Induction heater An induction heater for heating a material is described which has an alternating current carrying conductor 30 extending along an axis of rotation. Mounted about the axis are containers 32 which rotate about the axis and hold the material to be heated. A ... | 12/28/1993 |
| 5142115 | Apparatus for low resistance electric heating of electrically conductive containers An apparatus for heating a fluid contained in an electrically conductive material container. The apparatus includes a stepdown transformer having a primary winding coupled to source of electric energy and a secondary winding that includes the container it... | 08/25/1992 |
