Description
Class C21B : MANUFACTURE OF IRON OR STEEL
Subclass 7/14: Blast furnaces (lifts associated with blast furnaces B66B 9/06) Discharging devices, e.g. for slag
C21B 7/14
Sub-Class
Stats
- 27 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 20 Total Patent Owners
- 200 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10639710 | Melting pot, and float salvaging apparatus and method for melting pot | Feb 01, 16 | May 05, 20 | JIANGXI NERIN EQUIPMENT CO., LTD. |
| 10274255 | Molten metal-containing vessel, and methods of producing same | Sep 01, 16 | Apr 30, 19 | Novelis Inc. |
| 10151534 | Method for slag removal during metal processing | May 06, 16 | Dec 11, 18 | Not available |
| 10132567 | Apparatus for slag removal during metal processing | May 06, 16 | Nov 20, 18 | Not available |
| 10036594 | Apparatus for closing the slag doorway and for cleaning the slag doorway and channel of a metallurgical furnace and relative method | Mar 27, 13 | Jul 31, 18 | Tenova S.p.A. |
| 9897379 | Shaft furnace charging device equipped with a cooling system and annular swivel joint therefore | Jul 30, 15 | Feb 20, 18 | PAUL WURTH S.A. |
| 9663837 | Device for recovering heat and fumes from slag resulting from the steel production cycle | Jun 03, 13 | May 30, 17 | G.A.P. S.P.A. |
| 9534846 | Method for manufacturing a melt launder and a melt launder | Feb 08, 13 | Jan 03, 17 | OUTOTEC (FINLAND) OYJ |
| 9498821 | Molten metal-containing vessel and methods of producing same | Dec 08, 10 | Nov 22, 16 | NOVELIS INC. |
| 9353582 | Well drilling tubulars bin system, and method for use of system | Jan 18, 13 | May 31, 16 | ITREC B.V. |
| 9162785 | Method and nozzle for suppressing the generation of iron-containing vapor | Jan 18, 12 | Oct 20, 15 | L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE, L'AIR LIQUIDE, SOCIÉTÉ ANONYME POUR L'ÉTUDE ET L'ÉXPLOITATION DES PROCÉDÉS GEORGES CLAUDE, |
| 8945465 | Compressive rod assembly for molten metal containment structure | Dec 08, 10 | Feb 03, 15 | NOVELIS INC. |
| 8894923 | Insulation brick | Sep 04, 12 | Nov 25, 14 | Arcelormittal Investigacion Y Desarrollo SL |
| 8883070 | Molten metal containment structure having flow through ventilation | Dec 08, 10 | Nov 11, 14 | NOVELIS INC. |
| 8834600 | Extraction process for reactive metal oxides | Jun 11, 04 | Sep 16, 14 | UNIVERSITY OF LEEDS |
| 8771399 | Desulfurization puck | Mar 10, 10 | Jul 08, 14 | MAGNESIUM TECHNOLOGIES CORPORATION |
| 8651169 | Arc melting furnace apparatus | Jun 01, 11 | Feb 18, 14 | TOHOKU TECHNO ARCH CO., LTD., Diavac Limited, |
| 8641800 | Method of alloying various grades of steel with manganese oxides | Jun 27, 11 | Feb 04, 14 | McMahan, Joseph B. |
| 7943083 | Drum apparatus for treating slag | Aug 31, 05 | May 17, 11 | BAOSHAN IRON & STEEL CO., LTD. |
| 7611665 | Ladle bottom | Aug 17, 06 | Nov 03, 09 | VESUVIUS USA CORPORATION |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0083,230 | USE OF A BASIC OXYGEN FURNACE TO PRODUCE GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS | Sep 11, 24 | Mar 13, 25 | Not available |
| 2024/0425,941 | GEOTHERMALLY POWERED IRON PRODUCTION SYSTEMS AND METHODS | Jun 23, 23 | Dec 26, 24 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 36 Months (last 2 years Issuances)
- 36 Months (last 5 years Issuances)