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| Number | Title | Issue Date |
| 7766652 | Fired pottery items and a method for their manufacture Pottery wares are fired in a saggar in an electric kiln, whereby effects such as reduction firing and soda firing may be obtained. ... | 08/03/2010 |
| 7357632 | Automated wood-fired pottery kiln A kiln and method of firing a kiln are provided for use in connection with the firing of small-scale pottery firing. The kiln includes a kiln wall that defines a main kiln volume that is no larger than 60 cubic feet and is less than 10 cubic feet in one embodiment. ... | 04/15/2008 |
| 7070738 | Analyzer with variable volume ballast chamber and method of analysis An analyzer having a combustion furnace includes a gas flow stream including a combustion detector in the stream of byproducts of combustion and a variable volume ballast chamber for receiving byproducts of combustion and which has a movable piston which moves in re... | 07/04/2006 |
| 6923867 | Substrate processing apparatus and method for manufacturing semiconductor device A substrate processing apparatus and a method for manufacturing a semiconductor device can supply the vapor of the raw material to the substrate without fail. A main heater 22 is prepared outside the outer tube 21, an inner tube 23 is prepared i... | 08/02/2005 |
| 6841210 | Multilayer structured quartz glass crucible and method for producing the same Disclosed is a multilayer structured quartz glass crucible, for pulling up silicon single crystal, whose structure has at least three layers comprising: a translucent outer layer made of naturally occurring quartz glass and having a large number of pores, a transluc... | 01/11/2005 |
| 6840764 | Apparatus and process for producing charcoal from wood An apparatus and process for producing charcoal in a kiln from hardwood. The kiln is constructed over an array of hardwood logs supported on a suitable platform. Fill material is used to form a surrounding jacket surrounding the hardwood, a sawdust layer is applied ... | 01/11/2005 |
| 6670025 | Pyrolytic boron nitride crucible and method A method of forming a pyrolytic boron nitride (PBN) article and an article having layers of PBN separated by layers of PBN having a dopant of sufficient concentration to induce peeling, the steps of introducing vapors of ammonia and a gaseous boron halide... | 12/30/2003 |
| 6571721 | Ash melting apparatus The furnace body uses a crucible as the innermost layer thereof to reduce wearing of furnace materials and achieve downsizing of the furnace body; the crucible is made into the form of a cartridge so as to fully facilitate replacement thereof; a mixture o... | 06/03/2003 |
| 6458328 | Staged oxidation chamber for enhanced nitrogen and sulfur detection A more efficient combustion or oxidation device for the formation of nitrogen, phosphorus and/or sulfur oxides from a sample containing these elemental constituents is disclosed. The device uses multi-staged addition of an oxidizing agent to enhance oxida... | 10/01/2002 |
| 6074205 | Determination of volatile matter in samples A coal/coke sample is heated under controlled circumstances as a step in determining content of volatile matter. The sample is placed in a crucible having a lid and which is suspended by means of a crucible holder in a heating cavity of a furnace. The inv... | 06/13/2000 |
| 6057030 | Porous ceramic body and kiln furniture made from a porous ceramic body A porous ceramic body having a ceramic framework is produced having a surface roughness of about 40 microns or less. The ceramic body has a plurality of pores where each pore is interconnected with at least one adjacent pore. The ceramic body is made from... | 05/02/2000 |
| 5934900 | Refractory nitride, carbide, ternary oxide, nitride/oxide, oxide/carbide, oxycarbide, and oxynitride materials and articles Refractory ceramics and composite materials consisting of nitrides, carbides, mixed carbides and oxides, oxycarbides, mixed nitrides and oxides, and oxynitrides of Group IVB metals Hf, Zr, and Ti, Group IIA metals Be, Mg, Ca, Sr, and Ba, and Group IIIB me... | 08/10/1999 |
| 5932294 | MBE deposition method employing effusion cell having a unibody crucible A unibody, monolithic, one-piece negative draft crucible for a MBE effusion cell. The crucible maximizes capacity, uniformity and long term flux stability, and minimizes oval defects, depletion effects, and short term shutter-related flux transients. The ... | 08/03/1999 |
| 5885071 | Quartz glass crucible for pulling single crystal In order to reduce concentrations of impurities in an inner layer of a quartz crucible for pulling a silicon single crystal which comprises an outer layer made of quartz glass and an inner layer formed on the inner surface of the outer layer, a migration-... | 03/23/1999 |
| 5882807 | Jig for heat treatment and process for fabricating the jig A jig used for heat treatment made from an SiC-coated silicon carbide material, wherein the SiC film is coated by the CVD method on a silicon carbide matrix in which silicon has been impregnated and wherein there are no pores with a diameter of 2 μm or l... | 03/16/1999 |
| 5827371 | Unibody crucible and effusion source employing such a crucible A unibody, monolithic, one-piece negative draft crucible for an MBE effusion source. The crucible maximizes capacity, uniformity and long term flux stability, and minimizes oval defects, depletion effects, and short term shutter-related flux transients. T... | 10/27/1998 |
| 5820681 | Unibody crucible and effusion cell employing such a crucible A unibody, monolithic, one-piece negative draft crucible for a MBE effusion cell. The crucible maximizes capacity, uniformity and long term flux stability, and minimizes oval defects, depletion effects, and short term shutter-related flux transients. The ... | 10/13/1998 |
| 5773147 | Ceramic-coated support for powder metal sintering This invention relates to an apparatus comprising: a) a article having a composition selected from the group consisting of graphite, carbon/carbon, carbon/graphite, and mixtures thereof, and b) a ceramic coating thereon, wherein the ceramic coating comprises a ... | 06/30/1998 |
| 5762491 | Solid material delivery system for a furnace A solid material delivery system for a furnace which melts the solid material has a delivery tube located at least partially within the furnace which is mounted by a rotor assembly for selective radial positioning in the furnace over a crucible in the fur... | 06/09/1998 |
| 5752819 | Exhaust system for high temperature furnace An exhaust system for use with a high temperature furnace used to perform oxidation and/or annealing operations of the type used in semiconductor fabrication. The exhaust system is designed to permit the furnace to be used with a controlled environment ch... | 05/19/1998 |
| 5711289 | Vapor removal system for bulk adhesive handling systems A bulk adhesive handling system (10) having a hopper (16) and a lid (26) includes a vapor removal system (12) comprising a plurality of vent holes (40) formed in the side wall (42) of the hopper (16) of the system. The vent holes (40) are in communication... | 01/27/1998 |
| 5591026 | Baking oven having a minimized access opening In a baking oven for baking a relatively planar work such as semiconductor substrates, LCD panels and integrated circuit boards, a laterally elongated slot is formed in a shutter door which is moveable in the vertical direction. The oven main body is inte... | 01/07/1997 |
| 5567149 | Exhaust system for high temperature furnace An exhaust system for use with a high temperature furnace used to perform oxidation and/or annealing operations of the type used in semiconductor fabrication. The exhaust system is designed to permit the furnace to be used with a controlled environment ch... | 10/22/1996 |
| 5533930 | Apparatus for producing a silicon nitride sintered body Provided is an apparatus for producing a silicon nitride sintering body made of a furnace including a heater source. The furnace includes a furnace core chamber defined by at least one partition inside the furnace to prevent an atmosphere containing more ... | 07/09/1996 |
| 5447803 | Method for forming titanium nitride film and vessel coated by same A titanium nitride film forming method employing an ion-plating method to produce good decorative properties, to a titanium nitride film forming method which can maintain the stability of the color tone even under high temperatures, and to the vessel obta... | 09/05/1995 |
| 5445522 | Combustion device This invention relates to a combustion device for feeding hydrogen gas and oxygen gas into a combustion vessel, while heating the same, to generate water vapor. The combustion device comprises a hydrogen gas injection nozzle for feeding hydrogen gas into ... | 08/29/1995 |
| 5425048 | Heating apparatus for induction ladle and vacuum furnaces An induction heating furnace is disclosed comprising an induction coil assembly and a ladle having a metallic shell that supports a crucible holding metal to be heated by the furnace. The ladle is readily separated from the induction coil assembly so that... | 06/13/1995 |
| 5416795 | Quick change crucible for vacuum melting furnace A crucible assembly for use in induction melting furnaces utilizes an inner crucible formed of partially stabilized zirconia and an outer support member formed of a sintered alumina. The crucibles are in the shape of a cylinder with a closed bottom wall a... | 05/16/1995 |
| 5407349 | Exhaust system for high temperature furnace An exhaust system for use with a high temperature furnace used to perform oxidation and/or annealing operations of the type used in semiconductor fabrication. The exhaust system is designed to permit the furnace to be used with a controlled environment ch... | 04/18/1995 |
| 5407350 | Heat-treatment apparatus A heat-treatment apparatus comprises a heat-treatment section for subjecting a heat-treatment to a wafer and a loading section for loading a wafer boat into and unloading it from the heat-treatment section. The loading section is connected to the heat-tre... | 04/18/1995 |
| 5391229 | Apparatus for chemical vapor deposition of diamond including graphite substrate holders Graphite substrate holders for employment in apparatus for chemical vapor deposition of diamond decrease the tendency of the formed diamond sheets to crack or shatter upon separation from the substrates. Said holders and the substrates therein preferably ... | 02/21/1995 |
| 5382884 | Means and method for testing volatile material The present invention includes a crucible which holds volatile material to be tested. The crucible is lowered into an oven apparatus and removed from the oven apparatus by equipment programmed in a predetermined manner.... | 01/17/1995 |
| 5315091 | Resistively heated sample preparation apparatus An electrical resistance heated oven is used to heat a crucible to melt a sample and to simultaneously heat a casting dish into which the molten sample can be poured. The oven is cooled with the crucible and casting dish within the oven in order to prepar... | 05/24/1994 |
| 5313047 | Analytical sample preparation system An interchangeable module for supporting a receptacle into which a molten sample, prepared by a fluxer, can be poured for analysis. One module can support a resistively heated casting dish into which a molten sample can be poured and cooled to form a soli... | 05/17/1994 |
| 5269827 | Analytical sample preparation system An instrument and system for the preparation of a sample for analysis provides a crucible holder which improves the holding and control of a melting crucible during operation of the device for agitating a powdered sample and flux while being heated. The c... | 12/14/1993 |
| 5247538 | Melting furnace with manipulator for closing crucibles vacuum-tight Apparatus for melting preferably highly reactive metals, such as titanium for example, in a vacuum melting furnace, for example a vacuum arc furnace for the remelting of metals, with one or more melting positions, a melting crucible (5, 28) being provided... | 09/21/1993 |
| 5185126 | Infectious waste disposal unit A system for safely disposing of pathogenic waste materials. The waste material is disposed in a chamber and heated by forced hot air to temperatures above approximately 450° F. to destroy harmful bacteria within several minutes. The high temperatures me... | 02/09/1993 |
| 5158750 | Boron nitride crucible A boron nitride crucible having a closed end, an open end, an internal surface and an external surface, and wherein at least a portion of the external surface, preferably proximate the open end of the crucible, has a duplex coating comprising an undercoat... | 10/27/1992 |
| 5120217 | Asphalt reclamation unit with discharge feed and improved hot air flow A unit for heating initially solid asphaltic material to provide asphaltic concrete in a condition suitable for application, including an inner enclosure defining a volume for containing the material to be heated, an outer enclosure surrounding and spaced... | 06/09/1992 |
| 5102330 | Opposed fired rotary kiln A rotary kiln system wherein oxidant injection means are positioned at each stationary end and inject oxidant toward each other creating gas recirculation within the rotary kiln for improved mixing, combustion efficiency and temperature uniformity.... | 04/07/1992 |
