Class F27B : FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
Subclass 1/16: Shaft or like vertical or substantially vertical furnaces (for preheating, burning, calcining or cooling lime, magnesia or dolomite C04B 2/12) Details, accessories, or equipment peculiar to furnaces of these types Arrangements of tuyères
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11377700 | Method for operating an iron- or steelmaking- plant | Jul 02, 18 | Jul 05, 22 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude |
| 11293635 | Reactor for a process of advanced combustion for burning biomass and waste | Sep 03, 18 | Apr 05, 22 | Not available |
| 11280546 | Process for calcining mineral rock in a regenerative parallel-flow vertical shaft furnace, and furnace used | Oct 05, 16 | Mar 22, 22 | S.A. LHOIST RECHERCHE et DEVELOPPEMENT |
| 11021764 | Extraction device for a tuyere part | Aug 02, 18 | Jun 01, 21 | Paul Wurth SA |
| 10852065 | Method for controlling the suspension in a suspension smelting furnace | May 12, 17 | Dec 01, 20 | OUTOTEC (FINLAND) OY |
| 10845123 | Raw material supply device, flash smelting furnace and nozzle member | Mar 30, 18 | Nov 24, 20 | Pan Pacific Copper Co., Ltd. |
| 10487370 | Method for operating blast furnace | Feb 22, 16 | Nov 26, 19 | JFE Steel Corporation |
| 10488111 | Metallurgical furnace for producing metallic alloys | Nov 09, 15 | Nov 26, 19 | Tecnored Desenvolvimento Tecnologico S.A. |
| 10400292 | Method for operating blast furnace | Feb 22, 16 | Sep 03, 19 | JFE Steel Corporation |
| 10386119 | Method for operating a shaft furnace | Feb 27, 15 | Aug 20, 19 | THYSSENKRUPP AG |
| 9951992 | Metallurgical furnace | Dec 22, 14 | Apr 24, 18 | Tecnored Desenvolvimento Tecnologico S.A. |
| 9945001 | Blast furnace operation method and lance | Mar 27, 14 | Apr 17, 18 | JFE Steel Corporation |
| 9938593 | Blast furnace operation method | Mar 27, 14 | Apr 10, 18 | JFE Steel Corporation |
| 9797023 | Shaft furnace and method of operating same | May 20, 14 | Oct 24, 17 | Grede LLC |
| 9799110 | Abnormality detection method and blast furnace operation method | Jun 18, 14 | Oct 24, 17 | JFE STEEL CORPORATION |
| 9534265 | Methods and systems for producing direct reduced iron incorporating a carbon dioxide and steam reformer fed by recovered carbon dioxide | Dec 15, 14 | Jan 03, 17 | MIDREX TECHNOLOGIES, INC. |
| 9422192 | Optimised vertical-shaft kiln for producing sulfoaluminous clinker | Jul 12, 13 | Aug 23, 16 | VICAT |
| 9400138 | Melting reduction assembly and method for operating a melting reduction assembly | Jun 13, 12 | Jul 26, 16 | PRIMETALS TECHNOLOGIES AUSTRIA GMBH |
| 9169525 | System of leaktight connection between a tuyere and a hot blast inlet nozzle for a shaft furnace, and steel-making blast furnace comprising such a system | Nov 06, 12 | Oct 27, 15 | PAUL WURTH S.A. |
| 9028743 | Bustle pipe arrangement | Dec 16, 09 | May 12, 15 | Paul Wurth Refractory & Engineering GmbH, PAUL WURTH S.A., |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0361,074 | PARALLEL-FLOW REGENERATIVE SHAFT KILN AND METHOD FOR BURNING CARBONATE ROCK | Apr 25, 22 | Oct 31, 24 | Maerz Ofenbau AG; thyssenkrupp Polysius GmbH; THYSSENKRUPP AG; |
| 2017/0191,757 | OXYGEN BOOSTING AND NATURAL GAS REPLACEMENT OF COKE IN CUPOLAS | Dec 06, 16 | Jul 06, 17 | LINDE AKTIENGESELLSCHAFT |
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