| |
 |
|
Class Information
Number: 266/81
Name: Metallurgical apparatus > With control means responsive to sensed condition > With means supplying a treating agent
Description: Device wherein means are provided for the controlled addition of a solid, liquid or gaseous substance to the treating apparatus, which substance then reacts with the material contained therein.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7204952 |
Vacuum furnace for carburizing with hydrocarbons |
Apr. 17, 2007 |
| 7193189 |
Systems and methods for monitoring or controlling the ratio of hydrogen to water vapor in heat metal treating atmospheres |
Mar. 20, 2007 |
| 6960238 |
Method and installation for the indirect reduction of particulate oxide-containing ores |
Nov. 1, 2005 |
| 6955730 |
Method for enhancing the metallurigcal quality of products treated in a furnace |
Oct. 18, 2005 |
| 6929774 |
Method and apparatus for heating and cooling substrates |
Aug. 16, 2005 |
| 6860919 |
Recovery of precious metal from sulphide minerals by bioleaching |
Mar. 1, 2005 |
| 6767504 |
Heat treatment furnace |
Jul. 27, 2004 |
| 6744022 |
Systems and methods for monitoring or controlling the ratio of hydrogen to water vapor in metal heat treating atmospheres |
Jun. 1, 2004 |
| 6627145 |
Gas-heated carburizing equipment |
Sep. 30, 2003 |
| 6544314 |
Process and apparatus for automatically controlling slag foaming |
Apr. 8, 2003 |
| 6508976 |
Apparatus for generating an artificial atmosphere for the heat treating of materials |
Jan. 21, 2003 |
| 6478846 |
Method and device for injecting reducing agents in a shaft furnace |
Nov. 12, 2002 |
| 6383444 |
Process for processing of reduction gas in a process for the reduction of gas |
May. 7, 2002 |
| 6264716 |
Process for controlling the stirring energy delivered by a gas flowing through a liquid |
Jul. 24, 2001 |
| 6054095 |
Widthwise uniform cooling system for steel strip in continuous steel strip heat treatment step |
Apr. 25, 2000 |
| 5618032 |
Shaft furnace for production of iron carbide |
Apr. 8, 1997 |
| 5481247 |
Blast furnace tuyere sensor system |
Jan. 2, 1996 |
| 5451246 |
Process and device for heating and melting lumps of sponge iron |
Sep. 19, 1995 |
| 5427604 |
Alloy material addition method and apparatus for smelting and melting furnaces |
Jun. 27, 1995 |
| 5385337 |
Control system for a soft vacuum furnace |
Jan. 31, 1995 |
| 5366205 |
Carburization installation |
Nov. 22, 1994 |
| 5298090 |
Atmospheres for heat treating non-ferrous metals and alloys |
Mar. 29, 1994 |
| 5298089 |
In-situ generation of heat treating atmospheres using non-cryogenically produced nitrogen |
Mar. 29, 1994 |
| 5254180 |
Annealing of carbon steels in a pre-heated mixed ambients of nitrogen, oxygen, moisture and reducing gas |
Oct. 19, 1993 |
| 5221513 |
Apparatus and method for net shape finishing of gears |
Jun. 22, 1993 |
| 5190600 |
Method of monitoring a heat treatment with carbon penetration |
Mar. 2, 1993 |
| 5129629 |
Apparatus for feeding material into a molten stream |
Jul. 14, 1992 |
| 5110365 |
Control of furnace cleaning for reflective ash using infrared imaging |
May. 5, 1992 |
| 5096502 |
Advanced water lance control system based on peak furnace wall emissivity |
Mar. 17, 1992 |
| 5094695 |
Furnace cleanliness monitor for high reflectivity ash |
Mar. 10, 1992 |
| 5069728 |
Process for heat treating metals in a continuous oven under controlled atmosphere |
Dec. 3, 1991 |
| 5064620 |
Probe for measuring carbon flux |
Nov. 12, 1991 |
| 5050848 |
Apparatus for post combustion |
Sep. 24, 1991 |
| 4931426 |
Process for preparing crystalline ceramic superconductor materials by fluidized-bed calcination |
Jun. 5, 1990 |
| H777 |
Method for jet gas impingement quenching |
May. 1, 1990 |
| 4807853 |
Continuous furnace for gas carburizing and hardening |
Feb. 28, 1989 |
| 4805881 |
Internal gas generator for heat treating furnace |
Feb. 21, 1989 |
| 4754952 |
Fluidized-bed type carburizing furnace means for use as bright heat-treating furnace |
Jul. 5, 1988 |
| 4732607 |
Method of controlling the stirring strength and flow rate of a jet of gas blown through a lance onto a molten metal surface |
Mar. 22, 1988 |
| 4730811 |
Heat treatment apparatus with a fluidized-bed furnace |
Mar. 15, 1988 |
| 4671496 |
Fluidized bed apparatus for treating metals |
Jun. 9, 1987 |
| 4669706 |
Method of operation of exhaust-gas treatment system of sealed-type converter under abnormal conditions |
Jun. 2, 1987 |
| 4644667 |
Cooling apparatus for strip metal |
Feb. 24, 1987 |
| 4645184 |
Apparatus for preparing binder-free hot-briquets |
Feb. 24, 1987 |
| 4611789 |
Apparatus for the production of improved railway rails by accelerated cooling in line with the production rolling mill |
Sep. 16, 1986 |
| 4591132 |
Apparatus for controlling the gas carburization of steel |
May. 27, 1986 |
| 4588168 |
Device for regulating the delivery of hot air in a tuyere stock of a shaft furnace and a tuyere stock which incorporates the same |
May. 13, 1986 |
| 4583720 |
Apparatus for the zone-annealing of a workpiece consisting of a high-temperature material |
Apr. 22, 1986 |
| 4575052 |
Apparatus for continuously quenching a steel plate |
Mar. 11, 1986 |
| 4561637 |
Process and apparatus for heating a steel bath charged with scrap |
Dec. 31, 1985 |
|
|
|
