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Class Information
Number: 432/206
Name: Heating > Work chamber having heating means > Interior bell forms muffle
Description: Apparatus including an inner chamber formed by a removable hood, open its bottom, that sits on a heating chamber floor to form a closed inner work chamber within the heating chamber.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7491057 Firing furnace, manufacturing method of a ceramic member using the firing furnace, ceramic member, and ceramic honeycomb filter Feb. 17, 2009
7284980 Continuous firing furnace, manufacturing method of porous ceramic member using the same, porous ceramic member, and ceramic honeycomb filter Oct. 23, 2007
7001178 Method and apparatus for using a display associated with a dental kiln Feb. 21, 2006
6655956 Metal frame for metal coils to be heat-treated Dec. 2, 2003
6644963 Batch-type kiln Nov. 11, 2003
6575739 Configurable wafer furnace Jun. 10, 2003
6435866 Radiation furnace with independently controlled heating elements Aug. 20, 2002
6280182 Disposal of gas evaporated with heat treatment Aug. 28, 2001
6203315 Rotary burner for solid fuel Mar. 20, 2001
6183247 Heating equipment Feb. 6, 2001
6168426 Batch-type kiln Jan. 2, 2001
5997293 Furnace for firing dental ceramic material Dec. 7, 1999
5961322 Water cooled inner cover for annealing furnace Oct. 5, 1999
5873675 Method for hazardous waste vitrification Feb. 23, 1999
5846073 Semiconductor furnace processing vessel base Dec. 8, 1998
5788485 Kiln for ceramic dental composition with a pivotally connected bearing arrangement Aug. 4, 1998
5772431 Thin-film solar cell manufacturing apparatus and manufacturing method Jun. 30, 1998
5749723 Heat treatment apparatus May. 12, 1998
5711635 Apparatus for hazardous waste vitrification Jan. 27, 1998
5647833 Method for vitrifying hazardous waste Jul. 15, 1997
5562363 Apparatus for vitrifying hazardous waste Oct. 8, 1996
5533930 Apparatus for producing a silicon nitride sintered body Jul. 9, 1996
5502742 Heat treating furnace with removable floor, adjustable heating element support, and threaded ceramic gas injection nozzle Mar. 26, 1996
5496988 Device for soldering components on plates Mar. 5, 1996
5445521 Heat treating method and device Aug. 29, 1995
5419699 Seal arrangement for batch coil annealing furnace May. 30, 1995
5328084 Aluminum heat exchanger braze furnace Jul. 12, 1994
5295822 Convective heat transfer by cascading jet impingement in a batch coil annealling furnace Mar. 22, 1994
5207573 Heat processing apparatus May. 4, 1993
5118289 Hot-isostatic high-pressure press Jun. 2, 1992
5114338 Furnace for heating highly pure quartz preform for optical fiber May. 19, 1992
5048801 Sintering furnace Sep. 17, 1991
5032079 Furnace for producing high purity quartz glass preform Jul. 16, 1991
5007825 Heat reclamation apparatus Apr. 16, 1991
5006064 Furnace seal Apr. 9, 1991
4974663 Cross-circulating method and apparatus for autoclave Dec. 4, 1990
4964798 Method and apparatus for quickly purging atmosphere gas from bell furnace Oct. 23, 1990
4927359 Fluid distribution apparatus May. 22, 1990
4867675 Method and apparatus for quickly purging atmosphere gas from bell furnace Sep. 19, 1989
4850860 Radiant wall for heat exchangers, muffle kilns and similar equipment Jul. 25, 1989
4850863 Sealed insulating wall for a furnace Jul. 25, 1989
4846675 Annealing furnace Jul. 11, 1989
4701127 Controlled atmosphere capsule for fluxless brazing Oct. 20, 1987
4615676 Calcining method and enclosure structure therefor Oct. 7, 1986
4596526 Batch coil annealing furnace and method Jun. 24, 1986
4568279 Muffle furnace for continuous heat treatment Feb. 4, 1986
4543891 Apparatus and process for heat treatment Oct. 1, 1985
4502671 Batch annealing apparatus Mar. 5, 1985
4445852 Diffusers May. 1, 1984
4412815 Loading system for an annealing furnace charge and components therefor Nov. 1, 1983

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