F01N 2240/18
An adsorber or absorber
Official title: an adsorber or absorber
F01N2240/18 (An adsorber or absorber) appears on 102 US grants and 51 published applications in this corpus.
Search patents in F01N- Granted patents
- 102
- Published applications
- 51
- Assignees
- 48
- Inventors
- 266
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 18 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 0 |
| 2008 | 1 | 4 |
| 2009 | 0 | 2 |
| 2010 | 3 | 3 |
| 2011 | 0 | 3 |
| 2012 | 1 | 2 |
| 2013 | 3 | 1 |
| 2014 | 4 | 1 |
| 2015 | 0 | 3 |
| 2016 | 2 | 4 |
| 2017 | 3 | 2 |
| 2018 | 0 | 2 |
| 2019 | 1 | 3 |
| 2020 | 3 | 3 |
| 2021 | 2 | 1 |
| 2022 | 2 | 6 |
| 2023 | 7 | 4 |
| 2024 | 4 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adsorbent, its preparation and use3 Feb 2026US 12,539,502 B2City University of Hong Kong
- Hydrocarbon adsorbent17 Jun 2025US 12,330,134 B2Mitsui Mining & Smelting Co., Ltd.
- Catalytic system for the treatment of an exhaust gas of a combustion engine28 Jan 2025US 12,208,361 B2BASF Mobile Emissions Catalysts LLC
- System comprising vehicular compression ignition engine and an emissions control device comprising an electrically heatable element29 Oct 2024US 12,129,778 B2Johnson Matthey Public Limited Company
- System and method for engine cold start26 Mar 2024US 11,939,900 B1Ford Global Technologies, LLC
- Catalyst body for purifying exhaust gas of gasoline engine, and exhaust gas purification system using same18 Dec 2025US 2025/0381524 A1Cataler Corporation
- Adsorbent, its preparation and use12 Jun 2025US 2025/0186968 A1City University of Hong Kong
- System comprising vehicular compression ignition engine and an emissions control device comprising an electrically heatable element11 Jan 2024US 2024/0011421 A1Johnson Matthey Public Limited Company
- A catalytic system for the treatment of an exhaust gas of a combustion engine19 Oct 2023US 2023/0330598 A1BASF SE
- Lnt regeneration with hydrogen for transport engine application24 Aug 2023US 2023/0265773 A1Aramco Overseas Company B.V.
Most cited
By later US patents
- Exhaust purification device of internal combustion engine199US 5,473,887 AToyota Jidosha Kabushiki Kaisha · 1995
- Exhaust gas purification apparatus for an internal combustion engine149US 5,402,641 AToyota Jidosha Kabushiki Kaisha · 1995
- Exhaust purification device of internal combustion engine131US 5,437,153 AToyota Jidosha Kabushiki Kaisha · 1995
- Exhaust purification device of internal combustion engine109US 5,473,890 AToyota Jidosha Kabushiki Kaisha · 1995
- System for exhaust gas purification and method for exhaust gas purification using said system109US 5,884,473 ANGK Insulators, Ltd. · 1999