US3779534A
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*
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1969-07-08 |
1973-12-18 |
Creusot Loire |
Device for cooling a tuyere of a refining converter
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BE752893A
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*
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1969-07-08 |
1970-12-16 |
Forges De La Loire St Chamond |
METHOD AND DEVICE FOR COOLING A REFINING CONVERTER TUBE
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IT944546B
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*
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1969-12-27 |
1973-04-20 |
Maximilianshuette Eisenwerk |
PROCEDURE AND CONVERTER TO TRANSFORM CAST IRON IN STEEL BY REFINING
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US3865579A
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*
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1970-01-05 |
1975-02-11 |
Koppers Co Inc |
Method and apparatus for the production of steel
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DE2007373B2
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1970-02-18 |
1973-05-03 |
Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg |
PROCESS AND CONVERTER FOR MANUFACTURING FERRITIC CHROME STEEL
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LU62356A1
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1971-01-04 |
1972-08-23 |
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FR2131674A5
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1971-04-10 |
1972-11-10 |
Messer Griesheim Gmbh |
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BE781241A
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*
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1971-05-28 |
1972-07-17 |
Creusot Loire |
REFINING PROCESS FOR ALLIED STEELS CONTAINING CHROME AND MORE SPECIFICALLY STAINLESS STEELS
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FR2182633B2
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1971-07-29 |
1974-11-08 |
Creusot Loire |
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US3804393A
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*
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1971-08-09 |
1974-04-16 |
Pennsylvania Engineering Corp |
Steel conversion apparatus
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BE788512A
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*
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1971-09-21 |
1973-01-02 |
Creusot Loire |
PROCESS FOR PROTECTING A TUBE OF A REFINING CONVERTER
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BE789083A
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*
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1971-10-06 |
1973-01-15 |
Uddeholms Ab |
PROCESS FOR REDUCING THE CARBON CONTENT IN METALLURGIC PRODUCTS
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BE774886A
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*
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1971-11-03 |
1972-05-03 |
Centre Rech Metallurgique |
PROCESS FOR THE CONVERSION OF CAST IRON INTO STEEL.
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US3851866A
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*
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1971-12-09 |
1974-12-03 |
H Knuppel |
Process and a device for even distribution and alternating supply of liquid and gaseous protective media for the refining gas tuyeres of a converter
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DE2161000C3
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1971-12-09 |
1975-04-17 |
Eisenwerk-Gesellschaft Maximilianshuette Mbh, 8458 Sulzbach-Rosenberg |
Method and device for the uniform allocation and alternating supply of liquid or gaseous protective media for fresh gas nozzles in a converter
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US3908969A
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1971-12-20 |
1975-09-30 |
Pennsylvania Engineering Corp |
Method and apparatus for air pollution control combined with safe recovery and control of gases from a bottom-blown steel converter vessel
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US3839017A
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1972-01-04 |
1974-10-01 |
Pennsylvania Engineering Corp |
Apparatus and method for converting impure ferrous metal to steel
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US3898077A
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*
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1972-01-05 |
1975-08-05 |
Maximilianshuette Eisenwerk |
Process for refining metal melts
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*
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1972-01-13 |
1979-08-28 |
Gfe Gesellschaft Fur Elektrometallurgie Mit Beschrankter Haftung |
Method of rapidly decarburizing ferro- alloys with oxygen
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US3791814A
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*
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1972-02-22 |
1974-02-12 |
Centre Rech Metallurgique |
Process for oxygen refining of pig iron
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US3920447A
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*
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1972-02-28 |
1975-11-18 |
Pennsylvania Engineering Corp |
Steel production method
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US3905589A
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*
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1972-03-27 |
1975-09-16 |
Pennsylvania Engineering Corp |
Steel production method and apparatus
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US3796420A
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*
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1972-03-30 |
1974-03-12 |
Pennsylvania Engineering Corp |
Steel conversion apparatus
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BE782186A
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*
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1972-04-14 |
1972-04-28 |
Centre Rech Metallurgique |
CAST IRON REFINING PROCESS.
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US3990890A
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*
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1972-05-17 |
1976-11-09 |
Creusot-Loire |
Process for refining molten copper matte with an enriched oxygen blow
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US3895785A
(en)
*
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1972-08-01 |
1975-07-22 |
United States Steel Corp |
Method and apparatus for controlling the operation of a steel refining converter
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US3841617A
(en)
*
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1972-08-18 |
1974-10-15 |
Pennsylvania Engineering Corp |
Adjustable tuyere for metallurgical vessels
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US3802684A
(en)
*
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1972-08-29 |
1974-04-09 |
Steel Corp |
Tuyere construction
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US3802685A
(en)
*
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1972-08-29 |
1974-04-09 |
Steel Corp |
Q-bop vessel construction
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US3907549A
(en)
*
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1972-08-29 |
1975-09-23 |
United States Steel Corp |
Method of refining in improved Q-BOP vessel
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*
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1972-10-03 |
1977-09-13 |
Eisenwerk-Gesellschaft Maximilianshutte Mbh |
Process and converter for refining liquid metals
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*
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1972-10-06 |
1975-02-18 |
Uddeholms Ab |
Decarburisation of chromium containing iron, cobalt or nickel based alloys
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DE2349196A1
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*
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1972-10-06 |
1974-04-18 |
Uddeholms Ab |
PROCESS FOR DECARBING HIGH CHROME STEEL
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CA978366A
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*
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1972-10-13 |
1975-11-25 |
Sydney Steel Corporation |
Operation of a blast furnace
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CA978352A
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*
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1972-10-25 |
1975-11-25 |
William Wells |
Tapping of a blast furnace
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US3859078A
(en)
*
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1972-10-30 |
1975-01-07 |
Sydney Steel Corp |
Method of operating a basic open hearth furnace
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US3902889A
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*
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1972-11-30 |
1975-09-02 |
United States Steel Corp |
Electric arc melting furnace
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*
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1972-12-08 |
1974-06-25 |
Maximilianshuette Eisenwerk |
Device for blowing-in oxygen through the refractory lining of a metallurgical converter
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FR2216362B1
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*
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1973-02-07 |
1975-10-31 |
Creusot Loire |
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AT337736B
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*
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1973-02-12 |
1977-07-11 |
Voest Ag |
METHOD OF REFRESHING BIG IRON
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US3951643A
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*
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1973-02-26 |
1976-04-20 |
Pennsylvania Engineering Corporation |
Steel production method
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SU605549A3
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*
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1973-03-03 |
1978-04-30 |
Эйзенверк-Гезельшафт Максимилиансхютте Гмбх (Фирма) |
Tuyere
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(en)
*
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1973-03-07 |
1980-04-01 |
Eisenwerk-Gesellschaft Maximilianshutte Mbh. |
Process for increasing the life of the refractory masonry of metallurgical vessels
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US3873074A
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*
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1973-03-26 |
1975-03-25 |
Berry Metal Co |
Converter-bottom for bottom-blow steel making process
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US3898078A
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*
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1973-03-29 |
1975-08-05 |
Youngstown Sheet And Tube Co |
Method and apparatus for injecting refining oxygen in steelmaking processes
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CA1014753A
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*
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1973-03-30 |
1977-08-02 |
Karl Brotzmann |
Process for lowering the iron content in nickel melts
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DE2316768B2
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*
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1973-04-04 |
1977-03-03 |
Fried. Krupp Gmbh, 4300 Essen |
PROCESS FOR REFRESHING METALS, IN PARTICULAR PIG IRON, AND DEVICE FOR CARRYING OUT THE PROCESS
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US3912243A
(en)
*
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1973-04-04 |
1975-10-14 |
Berry Metal Co |
Apparatus and process for refining hot metal to steel
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DE2326754C3
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*
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1973-05-25 |
1978-04-20 |
Eisenwerk-Gesellschaft Maximilianshuette Mbh, 8458 Sulzbach-Rosenberg |
Device for the controlled supply of a fresh gas and a protective fluid medium
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US3891429A
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*
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1973-06-07 |
1975-06-24 |
Koppers Co Inc |
Method for selective decarburization of alloy steels
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US3897048A
(en)
*
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1973-06-15 |
1975-07-29 |
Pennsylvania Engineering Corp |
Metallurgical vessel and method of operating same
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US3868096A
(en)
*
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1973-06-21 |
1975-02-25 |
Pennsylvania Engineering Corp |
Tuyere support means for metallurgical vessels
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US3873073A
(en)
*
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1973-06-25 |
1975-03-25 |
Pennsylvania Engineering Corp |
Apparatus for processing molten metal
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US3861888A
(en)
*
|
1973-06-28 |
1975-01-21 |
Union Carbide Corp |
Use of CO{HD 2 {B in argon-oxygen refining of molten metal
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BE802163A
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*
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1973-07-10 |
1973-11-05 |
Centre Rech Metallurgique |
IMPROVEMENTS IN THE PNEUMATIC REFINING PROCESSES OF CAST IRON BY THE BOTTOM OF A CONVERTER.
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US4045215A
(en)
*
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1973-07-16 |
1977-08-30 |
Creusot-Loire |
Method of refining mattes containing nickel
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DE2404288A1
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*
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1974-01-30 |
1975-07-31 |
Baum Verfahrenstechnik |
PROCESS FOR RECOVERY OF REACTION GASES FROM BOTTOM-BUBBLED BY MEANS OF PURE OXYGEN AND HYDROCARBONS COOLED STEEL CONVERTERS AND DEVICE
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FR2291287A2
(en)
*
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1974-11-13 |
1976-06-11 |
Creusot Loire |
BLOWING METHOD WITH A VIEW TO OBTAINING VERY LOW CARBON CONTENTS IN CHROME STEELS
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FR2267376B1
(en)
*
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1974-04-11 |
1977-06-24 |
Creusot Loire |
|
AR207871A1
(en)
*
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1974-08-08 |
1976-11-08 |
Maximilianshuette Eisenwerk |
REACTIVE GAS INJECTION NOZZLE IN FUSION OR REFINING VESSELS FOR METALS
|
DE2538159C2
(en)
*
|
1974-08-30 |
1984-08-09 |
USS Engineers and Consultants, Inc., Pittsburgh, Pa. |
Process for refining pig iron
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US3930843A
(en)
*
|
1974-08-30 |
1976-01-06 |
United States Steel Corporation |
Method for increasing metallic yield in bottom blown processes
|
US4004920A
(en)
*
|
1975-05-05 |
1977-01-25 |
United States Steel Corporation |
Method of producing low nitrogen steel
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US3985550A
(en)
*
|
1975-01-23 |
1976-10-12 |
United States Steel Corporation |
Method of producing low sulfur steel
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DE2504946C2
(en)
*
|
1975-02-06 |
1980-04-30 |
Kloeckner-Werke Ag, 4100 Duisburg |
Method and device for melting down scrap, sponge iron, pellets or the like
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DE2507961C3
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*
|
1975-02-25 |
1978-07-20 |
Eisenwerk-Gesellschaft Maximilianshuette Mbh, 8458 Sulzbach-Rosenberg |
Process for making steel from pig iron
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US4138098A
(en)
*
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1975-08-14 |
1979-02-06 |
Creusot-Loire |
Method of blowing smelting shaft furnaces and tuyeres used for said blowing
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FR2349655A1
(en)
*
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1976-04-28 |
1977-11-25 |
Creusot Loire |
METHOD OF PROTECTION OF PURE OXYGEN BLOWING TUBES IN CONVERSION STEEL
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ZA775918B
(en)
*
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1977-01-11 |
1978-05-30 |
Nat Steel Corp |
The use of orgon to prepare low-carbon,low-nitrogen steels in the basic oxygen process
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US4208206A
(en)
*
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1977-03-31 |
1980-06-17 |
Union Carbide Corporation |
Method for producing improved metal castings by pneumatically refining the melt
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BR7801963A
(en)
*
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1977-03-31 |
1978-10-24 |
Union Carbide Corp |
PROCESS FOR THE PRODUCTION OF METAL CASTED PIECES AS A FINAL PRODUCT, HAVING IMPROVED SURFACE QUALITY AND INTERNAL QUALITY
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US4198230A
(en)
*
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1977-05-04 |
1980-04-15 |
Eisenwerk-Gesellschaft Maximilianshutte Mbh |
Steelmaking process
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US4123259A
(en)
*
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1977-05-20 |
1978-10-31 |
Eisenwerk-Gesellschaft Maximilianshutte Mbh |
Method for supplying thermal energy to steel melts
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DE2737832C3
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*
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1977-08-22 |
1980-05-22 |
Fried. Krupp Huettenwerke Ag, 4630 Bochum |
Use of blower nozzles with variable cross-section for the production of stainless steels
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US4139368A
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*
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1977-10-11 |
1979-02-13 |
Pennsylvania Engineering Corporation |
Metallurgical method
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FR2414559A1
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*
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1978-01-17 |
1979-08-10 |
Creusot Loire |
FERRO-MANGANESE REFINING PROCESS
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US4174212A
(en)
*
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1978-03-10 |
1979-11-13 |
A. Finkl & Sons Co. |
Method for the refining of steel
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BE873920A
(en)
*
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1979-02-02 |
1979-05-29 |
Centre Rech Metallurgique |
IMPROVEMENTS IN THE CONVERTER CAST IRON REFINING PROCESS
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DE2825851B1
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*
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1978-06-13 |
1979-12-20 |
Maximilianshuette Eisenwerk |
Device for supplying nozzles with gaseous and / or liquid hydrocarbons
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DE2845004C2
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*
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1978-10-16 |
1980-12-11 |
Mannesmann Demag Ag, 4100 Duisburg |
Nozzle arrangement for steelmaking furnaces, especially for steel mill converters
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DE2924761A1
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1979-06-20 |
1981-01-22 |
Kloeckner Humboldt Deutz Ag |
METHOD AND DEVICE FOR GENERATING A CONVECTIVE REACTION SYSTEM BETWEEN A REACTION MEDIUM AND A MELT BATH
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FR2473064A1
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*
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1980-01-02 |
1981-07-10 |
Siderurgie Fse Inst Rech |
PROCESS FOR PNEUMATIC BREWING OF A FUSION METAL BATH
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EP0045658A1
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*
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1980-08-06 |
1982-02-10 |
British Steel Corporation |
Gas inlet orifice monitoring
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JPS5873732A
(en)
*
|
1981-10-26 |
1983-05-04 |
Nippon Steel Corp |
Refining method of metal
|
JPS58147509A
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*
|
1982-02-26 |
1983-09-02 |
Kawasaki Steel Corp |
Refining method of stainless steel
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US4780133A
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*
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1986-11-10 |
1988-10-25 |
Lazcano Navarro Arturo |
Process to improve the refining of liquid metals by natural gas injection
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CA2113174A1
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*
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1991-07-29 |
1993-02-18 |
Casey E. Mcgeever |
Method and system for oxidation in a molten bath
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AU653294B2
(en)
*
|
1992-08-26 |
1994-09-22 |
Nippon Steel Corporation |
Process for vacuum degassing molten steel
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DE69427692T2
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*
|
1993-04-06 |
2002-05-02 |
Ausmelt Ltd |
MELTING CARBON MATERIAL
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GB9307606D0
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*
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1993-04-13 |
1993-06-02 |
Sanderson Kayser Limited |
Improvements relating to reaction chambers
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EP0625685B1
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*
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1993-05-17 |
1999-07-21 |
DANIELI & C. OFFICINE MECCANICHE S.p.A. |
Electric arc furnace with alternative sources of energy and operating method for such electric furnace
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US5431709A
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*
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1993-09-21 |
1995-07-11 |
Gas Research Institute |
Accretion controlling tuyere
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US5615626A
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1994-10-05 |
1997-04-01 |
Ausmelt Limited |
Processing of municipal and other wastes
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CA2273393A1
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*
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1999-05-31 |
2000-11-30 |
Mcmaster University |
Ladle for enhanced steel vacuum decarburization
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US6923843B1
(en)
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2001-11-13 |
2005-08-02 |
Nupro Corporation |
Method for oxygen injection in metallurgical process requiring variable oxygen feed rate
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