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Class Information
Number: 432/250
Name: Heating > Heating or heat retaining work chamber structure > Door, cover or port
Description: Apparatus including structure defining (1) a feed or access opening of a work chamber or (2) a removable cover for such opening.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7621741 |
Safety door for rotary kiln |
Nov. 24, 2009 |
| 7556764 |
Silica vessel with nozzle and method of making |
Jul. 7, 2009 |
| 7544059 |
Door sealing device for industrial furnace |
Jun. 9, 2009 |
| 7458809 |
Portable kiln |
Dec. 2, 2008 |
| 7389610 |
Door system |
Jun. 24, 2008 |
| 7379663 |
Continuous casting installation and process |
May. 27, 2008 |
| 7351057 |
Door plate for furnace |
Apr. 1, 2008 |
| 7240673 |
Flange for flame observation |
Jul. 10, 2007 |
| 7044732 |
Rolling process cover |
May. 16, 2006 |
| 7029505 |
Sheet type heat treating apparatus and method for processing semiconductors |
Apr. 18, 2006 |
| 6991455 |
Shutter structure of an oven apparatus used in semiconductor or liquid crystal display processes |
Jan. 31, 2006 |
| 6957956 |
Vertical heat treating equipment |
Oct. 25, 2005 |
| 6884066 |
Thermal process station with heated lid |
Apr. 26, 2005 |
| 6840763 |
Wafer processing apparatus |
Jan. 11, 2005 |
| 6830723 |
Apparatus for treating molten metal having a sealed treatment zone |
Dec. 14, 2004 |
| 6805555 |
Composite curtain assembly for continuous furnace entrance and exit |
Oct. 19, 2004 |
| 6709525 |
Low pressure chemical vapor deposition apparatus of vertical type for fabricating semiconductor devices |
Mar. 23, 2004 |
| 6705858 |
Door assembly for rotary furnace |
Mar. 16, 2004 |
| 6694683 |
Sight glass retainer system and method for making same |
Feb. 24, 2004 |
| 6676407 |
Warp resistant access door assembly for a high temperature combustion chamber |
Jan. 13, 2004 |
| 6672867 |
Structure for fitting control knobs and a handle onto a control panel of an oven |
Jan. 6, 2004 |
| 6669895 |
Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation |
Dec. 30, 2003 |
| 6648637 |
Seal and sealing method for temperature control chamber doors |
Nov. 18, 2003 |
| 6609908 |
Replaceable heater cover |
Aug. 26, 2003 |
| 6602069 |
Plug members for steel furnaces |
Aug. 5, 2003 |
| 6554610 |
Methods for constructing a combustion chamber access door and associated apparatus |
Apr. 29, 2003 |
| 6547558 |
Methods of making a fuel-fired heating appliance |
Apr. 15, 2003 |
| 6530779 |
Door assembly for rotary furnace |
Mar. 11, 2003 |
| 6531088 |
Automatic door for molten metal holding furnace |
Mar. 11, 2003 |
| 6435864 |
Door assembly for rotary furnace |
Aug. 20, 2002 |
| 6419482 |
Opening and closing apparatus of an opening and closing lid of a box accommodating an object to be processed and a processing system of an object to be processed |
Jul. 16, 2002 |
| 6406662 |
Rotary hearth furnace with charge slot air shield |
Jun. 18, 2002 |
| 6330754 |
Door for ear corn dryer |
Dec. 18, 2001 |
| 6325621 |
Furnace observation apparatus |
Dec. 4, 2001 |
| 6302684 |
Apparatus for opening/closing a process chamber door of ovens used for manufacturing semiconductor devices |
Oct. 16, 2001 |
| 6257881 |
Combination CVI/CVD and heat treat susceptor lid |
Jul. 10, 2001 |
| 6235121 |
Vertical thermal treatment apparatus |
May. 22, 2001 |
| 6213763 |
Door assembly for rotary furnace |
Apr. 10, 2001 |
| 6134385 |
Water free furnace tube with self-heating quartz plug |
Oct. 17, 2000 |
| 6113734 |
Apparatus for opening/closing a process chamber door of ovens used for manufacturing semiconductor devices |
Sep. 5, 2000 |
| 6062851 |
Combination CVI/CVD and heat treat susceptor lid |
May. 16, 2000 |
| 6055977 |
Windows or the like of heaters, these windows or the like being equipped with an expansion compensation device, and device for this purpose |
May. 2, 2000 |
| 6017487 |
Lid of preformed refractory material for metallurgical melting furnace |
Jan. 25, 2000 |
| 6017215 |
Expandable panel for environmentally controllable chamber |
Jan. 25, 2000 |
| 6000938 |
Automated door mechanism for heat treating furnace |
Dec. 14, 1999 |
| 5997295 |
Inlet/exhaust structure for an outdoor furnace |
Dec. 7, 1999 |
| 5997277 |
Method and a device for recovery of energy from media containing combustible substances even at low concentration |
Dec. 7, 1999 |
| 5950572 |
Opening that allows a soot blower lance to be introduced through a tube cage |
Sep. 14, 1999 |
| 5938852 |
Cap for vertical furnace |
Aug. 17, 1999 |
| 5910006 |
Kiln lid mounting assembly |
Jun. 8, 1999 |
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