C21B 2100/80
Interaction of exhaust gases produced during the manufacture of iron or steel
Official title: Interaction of exhaust gases produced during the manufacture of iron or steel with other processes
C21B2100/80 (Interaction of exhaust gases produced during the manufacture of iron or steel) appears on 12 US grants and 33 published applications in this corpus.
Search patents in C21B- Granted patents
- 12
- Published applications
- 33
- Assignees
- 18
- Inventors
- 108
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 4 |
| 2019 | 0 | 0 |
| 2020 | 4 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 4 |
| 2024 | 1 | 8 |
| 2025 | 3 | 8 |
| 2026 | 2 | 4 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method of operating an electric arc furnace and steel mill24 Mar 2026US 12,584,182 B2Paul Wurth S. A.
- Steelmaking line and method of producing reduced iron27 Jan 2026US 12,534,770 B2Jfe Steel Corporation
- Production of carbon dioxide and ammonia from residual gases in the steel and metal industries10 Jun 2025US 12,325,632 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Reactors and methods for production of sustainable chemicals using carbon emissions of metallurgical furnaces25 Mar 2025US 12,258,671 B2Dioxycle
- Cooperative emission reduction method for sintering using energy-carrying composite gas medium14 Jan 2025US 12,195,822 B2Central South University
- Process of direct reduction of iron ores by means of synthesis gas produced with catalytic partial oxidation6 Aug 2026US 2026/0226570 A1
- Carbon Monoxide Electrolyzers used with Reverse Water Gas Shift Reactors for the Conversion of Carbon Dioxide into Added-Value Products16 Jul 2026US 2026/0201576 A1Dioxycle
- Method for operating a smelting furnace installation28 May 2026US 2026/0146300 A1Paul Wurth S. A.
- Electrochemical metallurgical slag recycling14 May 2026US 2026/0132484 A1Electrasteel, Inc.
- Method for the direct reduction of iron ore11 Sep 2025US 2025/0283186 A1ThyssenKrupp Steel Europe AG
Most cited
By later US patents