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| Number | Title | Issue Date |
| 6971571 | Reflow soldering apparatus and reflow soldering method A bath apparatus 12 reserves a liquid 13 as a heating medium and includes an input partition bath 31, a first intermediate partition bath 32, a heat partition bath 33, a second intermediate partition bath 34 and a removing p... | 12/06/2005 |
| 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 |
| 6887074 | Continuous production vacuum sintering apparatus and vacuum sintering system adopted to the same A continuous production vacuum sintering apparatus has a conveyer unit and a plurality of vacuum sintering systems individually transferred by the conveyer unit. Each of the vacuum sintering systems includes a sintering furnace, a vacuum control unit communicating w... | 05/03/2005 |
| 6814573 | Vacuum heat-treatment apparatus A vacuum heat-treatment apparatus for heat-treating a workpiece in a treating cell includes a hermetic chamber disposed at the center. A plurality of treating cells are disposed along the periphery of the hermetic chamber, and a workpiece transfer mechanism is dispo... | 11/09/2004 |
| 6749425 | Indirect heating furnace An indirect heating furnace heats a substance in a reaction tube with a high-temperature combustion gas without contact between the substance and the combustion gas. The reaction tube is a stationary ceramic tube. A combustion device for supplying said heating high-... | 06/15/2004 |
| 6672367 | 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... | 01/06/2004 |
| 6672864 | Method and apparatus for processing substrates in a system having high and low pressure areas A positive pressure gradient is maintained across an open access port of an interface chamber such as a load lock chamber which provides an interface between a low pressure chamber such as a transfer or buffer chamber, and a high pressure area such as a s... | 01/06/2004 |
| 6547556 | Combination conduction/convection furnace A single furnace system integrates, in combination, two or more distinct heating environments (which in the preferred embodiments include a conduction heating environment and a convection heating environment) integrated such that the multiple environments... | 04/15/2003 |
| 6382964 | Process and apparatus for heat-treating substrate having film-forming composition thereon Firing process and apparatus for uniformly heat-treating a substrate having a film-forming composition thereon, wherein the substrate is subjected to a first soaking step in which the substrate is held for a predetermined time in a first heating chamber w... | 05/07/2002 |
| 6336809 | Combination conduction/convection furnace A single furnace system integrates, in combination, two or more distinct heating environments (which in the preferred embodiments include a conduction heating environment and a convection heating environment) integrated such that the multiple environments... | 01/08/2002 |
| 6217317 | Combination conduction/convection furnace A single furnace system integrates, in combination, two or more distinct heating environments (which in the preferred embodiments include a conduction heating environment and a convection heating environment) integrated such that the multiple environments... | 04/17/2001 |
| 6048199 | Tunnel kiln for firing ceramic honeycomb bodies A tunnel kiln for firing ceramic honeycomb structural body comprising a vestibule region, a carbonaceous material release region located downstream of the vestibule region and a sintering region located downstream of the carbonaceous material release regi... | 04/11/2000 |
| 5993202 | Baking furnace and control method therefor The present invention prevents a lowering of the baking quality of a baked product due to a variation in the temperature distribution in a baking furnace due to the inflow of air into the baking furnace. A baking furnace has an inlet disposed in a clean r... | 11/30/1999 |
| 5525196 | Process for producing formed activated coke An improved process for producing a formed activated coke for simultaneous desulfurization and denitrification, which includes passing a ground coal through a tubular or cylindrical carbonization retort by using a hot gas stream, to subject the coal to pr... | 06/11/1996 |
| 5312246 | Heating and conveying apparatus An apparatus for heating and conveying a granular material is disclosed, and which comprises an elongate trough, and a framework mounting a plurality of transverse blades mounted above the trough. The framework is moved along a closed path of travel so th... | 05/17/1994 |
| 4767324 | Transition section for muffle furnace A muffle furnace burnout section includes dual parallel spargers each having parallel first and second sparger sections. The region between the first and second sparger sections includes a thermal and gas barrier transition section secured to the spargers... | 08/30/1988 |
| 4629419 | Calcination method and apparatus An apparatus for calcining a granular or powdered mineral, more specifically hydrated calcium sulphate, comprising a vessel the side wall or walls of which slope inwardly toward a bottom of small cross-sectional area, as compared with an upper region of t... | 12/16/1986 |
| 4264299 | Process and apparatus for controlling losses in volatile working fluid systems A process and apparatus are disclosed for controlling losses in volatile working fluid systems. In accordance with the process, the object upon which a work operation is to be effected is sequentially moved from a first sealable chamber to a second such c... | 04/28/1981 |
