B01D 2258/025
From metallurgy plants
Official title: from metallurgy plants
B01D2258/025 (From metallurgy plants) appears on 147 US grants and 237 published applications in this corpus.
Search patents in B01D- Granted patents
- 147
- Published applications
- 237
- Assignees
- 157
- Inventors
- 647
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 2 | 3 |
| 2012 | 1 | 3 |
| 2013 | 3 | 8 |
| 2014 | 10 | 24 |
| 2015 | 7 | 15 |
| 2016 | 6 | 14 |
| 2017 | 18 | 20 |
| 2018 | 12 | 13 |
| 2019 | 11 | 10 |
| 2020 | 10 | 15 |
| 2021 | 11 | 15 |
| 2022 | 9 | 12 |
| 2023 | 8 | 16 |
| 2024 | 8 | 24 |
| 2025 | 10 | 29 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steel mill offgas separation and purification18 Aug 2026US 12,708,874 B2Air Products and Chemicals, Inc.
- System and method for conditioning syngas and capturing carbon dioxide from conditioned syngas for production of power, chemicals, and other value added products11 Aug 2026US 12,702,950 B2Dastur Energy, Inc.
- Composition for carbon dioxide separation and method for separating carbon dioxide9 Jun 2026US 12,649,145 B2Tosoh Corporation
- High capacity carbon dioxide absorbent solvent resistant to oxidative degradation31 Mar 2026US 12,589,349 B2
- Desulfurization and sulfur recovery method for sulfur dioxide flue gas31 Mar 2026US 12,589,356 B2TongLing Nonferrous Metals Group Holdings Co. Ltd.
- Hydrophobic acidic gas absorbents20 Aug 2026US 2026/0241369 A1
- Method and apparatus for venting a gas6 Aug 2026US 2026/0225038 A1L'Air Liquide Societe Anonyme Pour L'Etude Et L'Etude Et L'Exploitation Des Procedes Georges Claude
- Alkoxylated polyalkyleneimines, preparation and use6 Aug 2026US 2026/0226235 A1BASF SE
- Carbon dioxide capture, carbon resource utilization, and hydrogen production system for steel mill2 Jul 2026US 2026/0183700 A1Lowcarbon Co., Ltd.
- Carbon dioxide recovery system18 Jun 2026US 2026/0166472 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Process and device in connection with the production of oxygen or oxygen enriched air45US 7,029,521 B2Ifo Ceramics Aktiebolag · 2006
- Method and device for purifying the flue gases of a sintering process of ores and/or other material-containing materials in metal production30US 8,192,706 B22012
- Process for treating a gaseous mixture by adsorption26US 4,840,647 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1989
- Method for removing particulate matter and gases from a polluted gas stream22US 5,332,562 A1994
- Method and system for removal of mercury from a flue gas20US 8,865,099 B1URS Corporation · 2014