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| Number | Title | Issue Date |
| 8128863 | Iron core annealing furnace An iron core annealing furnace that is used in annealing of an amorphous iron core requiring strict control of annealing temperature. There is provided an iron core annealing furnace comprising a furnace body fitted at its superior area with a heat source and a fan,... | 03/06/2012 |
| 7910049 | System employing generation of controlled furnace atmospheres without the use of separate gas supplies or stand-alone atmosphere generators In a system for processing metal, a furnace is provided which receives the metal being processed. At least one heating burner is provided in the furnace together with at least one atmosphere burner of substantially a same construction as the heating burner. An exhau... | 03/22/2011 |
| 7438119 | System for heat treating castings and reclaiming sand A system for reclaiming sand from a casting process includes a chamber having an inlet, an outlet, and a plurality of baffles defining a circuitous path for the sand therebetween, a heating element for providing heat to the chamber, and a fluidizing distributor for ... | 10/21/2008 |
| 7338629 | Integrated metal processing facility A system and method for forming and heat treating a metal casting are provided. ... | 03/04/2008 |
| 7331374 | Method and apparatus for assisting removal of sand moldings from castings Disclosed is a method for dislodging a mold from a casting formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces. Additionally, the mold may be fractur... | 02/19/2008 |
| 7290583 | Methods and apparatus for heat treatment and sand removal for castings A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ... | 11/06/2007 |
| 7291565 | Method and system for treating a substrate with a high pressure fluid using fluorosilicic acid A method and system is described for treating a substrate with a high pressure fluid, such as carbon dioxide in a supercritical state. A process chemistry is introduced to the high pressure fluid for treating the substrate surface. The process chemistry comprises fl... | 11/06/2007 |
| 7275582 | Methods and apparatus for heat treatment and sand removal for castings A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ... | 10/02/2007 |
| 7258755 | Integrated metal processing facility An integrated metal processing facility in which molten metal is poured into a series of molds at a pouring station to form metal castings, which are then transferred to a heat treatment line. Prior to introduction of the castings into a heat treatment station of th... | 08/21/2007 |
| 7255772 | High pressure processing chamber for semiconductor substrate A high pressure chamber comprises a chamber housing, a platen, and a mechanical drive mechanism. The chamber housing comprises a first sealing surface. The platen comprises a region for holding the semiconductor substrate and a second sealing surface. The mechanical... | 08/14/2007 |
| 7250374 | System and method for processing a substrate using supercritical carbon dioxide processing A method and system for processing a substrate in a film removal system. The method includes providing the substrate in a substrate chamber of a film removal system, where the substrate has a micro-feature containing a dielectric film on a sidewall of the micro-feat... | 07/31/2007 |
| 7140393 | Non-contact shuttle valve for flow diversion in high pressure systems A valve for redirecting flow in a supercritical fluid or other high pressure processing system is disclosed. In high pressure supercritical carbon dioxide (SCCO2) equipment for semiconductor wafer processing, a major hurtle in providing clean equipment and clean waf... | 11/28/2006 |
| 7074460 | Method for treating the surface of a part and resulting part A surface treatment method in which a surface of a part (7) is contacted with at least one activated species. The activated species is obtained by activating a gaseous medium containing at least two of the following elements: carbon, nitrogen, boron and oxyge... | 07/11/2006 |
| 7018485 | Apparatus for subjecting rare earth alloy to hydrogenation process and method for producing rare earth sintered magnet using the apparatus An apparatus for subjecting a rare earth alloy block to a hydrogenation process includes a casing, gas inlet and outlet ports, a member arranged to produce a gaseous flow, and a windbreak plate. The casing defines an inner space for receiving a container. The contai... | 03/28/2006 |
| 6926012 | Method for supercritical processing of multiple workpieces An apparatus for supercritical processing of multiple workpieces comprises a transfer module, first and second supercritical processing modules, and a robot. The transfer module includes an entrance. The first and second supercritical processing modules are coupled ... | 08/09/2005 |
| 6927165 | Method and apparatus for processing substrates and method for manufacturing a semiconductor device A substrate processing apparatus includes a housing, a process tube for performing variable batch processes on substrates, and product substrate carriers. The product substrate carriers have a capacity of a predetermined number of substrates. A number of the product... | 08/09/2005 |
| 6910522 | Methods and apparatus for heat treatment and sand removal for castings A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ... | 06/28/2005 |
| 6901990 | Method and system for processing castings A method and system of processing castings is provided in which one or more castings are deposited into a mobile furnace and moved from one station to another of a multi-station casting processing system. The interior of the mobile furnace is heated so as to maintai... | 06/07/2005 |
| 6821478 | Method and device for sintering aluminum based sintered parts The invention relates to a method for sintering aluminium-based sintered parts which are, initially, guided with the aid of a transport system T through a de-binding area (3) before being guided through followed by a sintering area (2) and finally bein... | 11/23/2004 |
| 6517771 | Superadiabatic combustion generation of reducing atmosphere for metal heat treatment A system useful for superadiabatic combustion generation of a reducing atmosphere for metal heat treatment includes a superadiabatic reactor which supplies a reducing atmosphere to a metal heat treatment apparatus.... | 02/11/2003 |
| 6159306 | Carburizing device and method of using the same The present invention provides a new and improved apparatus and method of carburizing ferrous metal parts. In one embodiment of the invention the apparatus comprises a radiant heater tube within which a source of hydrocarbon fuel is fully combusted, and a... | 12/12/2000 |
| 6113846 | Production apparatus for rare earth anisotropic magnet powders An apparatus that gives continuous hydrogen heat treatment to anisotropic rare earth magnet powders is invented. The apparatus a comprises shopper 12, a furnace 11 to carry out a hydrogen heat treatment, a heat compensating means 14 that is placed in the ... | 09/05/2000 |
| 6106764 | Apparatus for scavenging cold-drawn, coil-forming tubes in a roller hearth furnace In a roller hearth furnace there is provided an apparatus for scavenging cold-drawn, coil-forming tubes. An essential element thereof is a pressure vessel (1; 1a) serving as reservoir for the scavenging agent, comprising a small calculable outlet opening ... | 08/22/2000 |
| 6007763 | Process and installation for preparing a heat treatment atmosphere The invention relates to a process for preparing a heat treatment atmosphere by a catalytic reaction in a catalytic reactor (16) between a first gas mixture (12) containing oxygen and a second gas mixture (26) containing a hydrocarbon, characterized in th... | 12/28/1999 |
| 5883919 | Diffusion furnace system for preventing gas leakage A furnace system for preventing gas leakage is disclosed. The furnace system includes a bottom board for holding a furnace tube. A gas injection device is connected to the furnace tube at a first port for injecting reaction gas into the furnace tube. An e... | 03/16/1999 |
| 5846340 | Process for preparing a heat treatment atmosphere and method for regulating said process Process for the preparation of a heat treatment atmosphere by a catalytic reaction in a catalytic reactor including an inlet and an outlet between a first gas mixture comprising oxygen and a second gas mixture comprising a hydrocarbon for the purpose of s... | 12/08/1998 |
| 5766382 | Thermal treatment method and installation for the implementation of this method A thermal treatment installation for treating and quenching pieces (22) of small dimensions comprises a treatment line (LT) including a treatment furnace (2) for bringing the pieces to treatment temperatures, a quenching cell (4) located downstream from t... | 06/16/1998 |
| 5759483 | Apparatus for treating a particulate material within a rotating retort Apparatus (1) for treating particulate material or powder (33) of a size capable of being fluidized in a retort (31) mounted for rotation on a pair of end axles (18, 41). Retort (31) is mounted on a tilt frame (5) for tilting movement in a vertical plane.... | 06/02/1998 |
| 5628045 | Process and device for producing sintered parts A process for producing sintered parts with high wear resistance and good dynamic strength properties from formed bodies, which have been pressed as green parts from a completely-alloyed air-hardened heat-treatment steel powder with a carbon content of at... | 05/06/1997 |
| 5556593 | Method and apparatus for heat treating metal parts A heat insulated enclosure with an inlet introducing metal parts such as coil springs to be heat treated, such as by annealing. The apparatus also includes a support on which the metal parts are received, where they are continuously moved towards an outle... | 09/17/1996 |
| 5554230 | Low dew point gas generator cooling system A drying system is disclosed for drying wet gases, typically produced by a gas generator to dew points less than 32° F. The system uses a refrigeration cycle having a single compressor to dry the wet gas in a first evaporator while simultaneously defrost... | 09/10/1996 |
| 5551671 | Hot argon cleaning and protective coating of components made of metal or alloy The surfaces of a metal or alloy component are scrubbed by a high-velocity stream of inert gas at temperatures which facilitate removal of contaminants. Simultaneous with scrubbing, the impurities are captured in a separated loop of one or more "getter" f... | 09/03/1996 |
| 5478057 | Apparatus for the heat treatment of workpieces In a furnace operated with hydrogen gas as a cooling gas under positive pressure for the hardening of metallic workpieces, with a housing (2) enclosing a heating chamber for accepting a batch of workpieces, this housing being connected to a vacuum pump an... | 12/26/1995 |
| 5447294 | Vertical type heat treatment system A vertical heat treatment system for heat treating a large number of semiconductor wafers housed in a boat at once includes a heat treatment unit having a boat loading/unloading port, a boat section communicating with the heat treatment unit through the b... | 09/05/1995 |
| 5407181 | Vertical heat treating device This invention relates to a vertical heat treating device of a two-boat system including below a vertical reaction furnace a first waiting position where a treated boat waits, and second waiting position where a boat to be next treated waits. The device c... | 04/18/1995 |
| 5407498 | Mechanically fluidized retort and method for treating particles therein A method and apparatus for diffusion of elements into or out of small metallic particles, the apparatus consisting of a sealed retort 22 horizontally mounted on an axle 36 with the retort subtended in the interior of a heating device 11. Gas and pressure ... | 04/18/1995 |
| 5382005 | Methods and apparatus for firing extruded metals Methods and apparatus for protecting extruded metal powder green bodies (34) during firing are provided. In certain embodiments, one or more green bodies (34) are housed in a non-gas tight chamber (13) located in the hot zone (24) of a cold-wall vacuum/at... | 01/17/1995 |
| 5205485 | Apparatus and method of controlling moisture content within a reaction vessel Method and apparatus for controlling the dew point in a reaction vessel in which a dew point reading is converted to an electric current signal which is coordinated with a preselected dew point range and translated into a frequency which is transmitted to... | 04/27/1993 |
| 5114500 | Nitriding furnace apparatus and method This invention makes a furnace body divide into two, a pretreating chamber and a nitriding chamber by an opening and closing center wall. After pretreating works to be treated in the pretreating chamber, the opening and closing center wall is opened and t... | 05/19/1992 |
| 5045126 | Process and equipment for the heat treatment, before hardening, of metallic pieces by cementation, carbonitridation of heating The invention is exclusively concerned with heat treatments before hardening, of metallic pieces, by cementation, carbonitridation and heating. The process concerns the feeding of a non muffle heat treatment furnace with various components including nitro... | 09/03/1991 |
