C21B 2100/62
Energy conversion other than by heat exchange
Official title: Energy conversion other than by heat exchange, e.g. by use of exhaust gas in energy production
C21B2100/62 (Energy conversion other than by heat exchange) appears on 80 US grants and 58 published applications in this corpus.
Search patents in C21B- Granted patents
- 80
- Published applications
- 58
- Assignees
- 65
- Inventors
- 217
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 5 |
| 2010 | 0 | 6 |
| 2011 | 3 | 4 |
| 2012 | 2 | 3 |
| 2013 | 5 | 1 |
| 2014 | 2 | 9 |
| 2015 | 3 | 3 |
| 2016 | 3 | 7 |
| 2017 | 3 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 6 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 4 |
| 2024 | 0 | 3 |
| 2025 | 3 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen release/storage system, hydrogen release/storage method, ammonia production equipment, gas turbine, fuel cell, and steel mill24 Mar 2026US 12,582,953 B2Mitsubishi Heavy Industries, Ltd.
- Hydrogen release and storage system, hydrogen release and storage method, ammonia production apparatus, gas turbine, fuel cell, and steel mill23 Dec 2025US 12,503,362 B2Mitsubishi Heavy Industries, Ltd.
- Method of operating blast furnace and blast furnace ancillary facility22 Jul 2025US 12,365,953 B2Jfe Steel Corporation
- Systems and methods for improved carbon capture associated with molten metal production25 Mar 2025US 12,258,640 B28 Rivers Capital, LLC
- Operating method of an iron making installation and associated operating installation13 Dec 2022US 11,525,167 B2ArcelorMittal
- Systematic carbon emissions reduction method for whole process of production and casting3 Sep 2026US 2026/0258513 A1Jiqing Low Carbon Technology (Qinhuangdao) Co., Ltd.
- Carbon dioxide recovery system18 Jun 2026US 2026/0166472 A1Mitsubishi Heavy Industries, Ltd.
- Biomass processing integrated with reduction of metal ores, systems for these processes, and products made therefrom6 Nov 2025US 2025/0340960 A1
- Systems and methods for improved carbon capture associated with molten metal production12 Jun 2025US 2025/0188552 A18 Rivers Capital, LLC
- Method and System for Treating CO214 Nov 2024US 2024/0375962 A1
Most cited
By later US patents
- Blast furnace iron production with integrated power generation70US 8,133,298 B2Air Products and Chemicals, Inc. · 2012
- Method for co-producing fuel and iron59US 5,529,599 A1996
- Production method of metallic iron33US 6,063,156 AKabushiki Kaisha Kobe Seiko Sho · 2000
- Direct smelting process31US 6,379,422 B1Technological Resources Pty. Limited · 2002
- Process for producing molten pig iron with melting cyclone25US 5,800,592 AHoogovens Staal BV · 1998