F01N 3/085
Sulfur or sulfur oxides
Official title: {Sulfur or sulfur oxides}
F01N3/085 (Sulfur or sulfur oxides) appears on 169 US grants and 187 published applications in this corpus.
Search patents in F01N- Granted patents
- 169
- Published applications
- 187
- Assignees
- 87
- Inventors
- 395
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 5 |
| 2002 | 7 | 6 |
| 2003 | 3 | 13 |
| 2004 | 10 | 17 |
| 2005 | 5 | 6 |
| 2006 | 11 | 10 |
| 2007 | 7 | 11 |
| 2008 | 5 | 8 |
| 2009 | 4 | 23 |
| 2010 | 8 | 9 |
| 2011 | 10 | 5 |
| 2012 | 12 | 5 |
| 2013 | 5 | 3 |
| 2014 | 7 | 10 |
| 2015 | 9 | 8 |
| 2016 | 5 | 8 |
| 2017 | 5 | 8 |
| 2018 | 4 | 4 |
| 2019 | 4 | 6 |
| 2020 | 5 | 1 |
| 2021 | 2 | 4 |
| 2022 | 2 | 5 |
| 2023 | 5 | 8 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust gas treatment system and method10 Feb 2026US 12,544,716 B2SodaFlexx Distribution LLP
- Apparatus for reducing greenhouse gas emission in vessel and vessel including the same18 Nov 2025US 12,472,460 B2Daewoo Shipbuilding & Marine Engineering Co., Ltd.
- Apparatus for reducing greenhouse gas emission in vessel and vessel including the same22 Oct 2024US 12,123,336 B2Daewoo Shipbuilding & Marine Engineering Co., Ltd.
- Apparatus for reducing greenhouse gas emission in vessel and vessel including the same26 Dec 2023US 11,852,062 B2Daewoo Shipbuilding & Marine Engineering Co., Ltd.
- Exhaust gas treatment apparatus17 Oct 2023US 11,788,449 B2Korea Shipbuilding & Offshore Engineering Co., Ltd.
- A multifunctional catalyst system30 Jul 2026US 2026/0216650 A1Dinex A/S
- System and method for bypassing carbon capture system of gas turbine engine18 Jun 2026US 2026/0166486 A1
- Exhaust gas treatment system and method26 Mar 2026US 2026/0084105 A1SodaFlexx Distribution LLP
- System and method for treating a fluid29 Feb 2024US 2024/0066457 A1Alfa Laval Corporate AB
- Apparatus for reducing greenhouse gas emission in vessel and vessel including the same30 Nov 2023US 2023/0383678 A1Daewoo Shipbuilding & Marine Engineering Co., Ltd.
Most cited
By later US patents
- Exhaust gas purification system for low emission vehicle147US 6,167,696 AFord Motor Company · 2001
- Apparatus, method, and system for concentrating adsorbable pollutants and abatement thereof119US 6,105,365 AEngelhard Corporation · 2000
- Exhaust purification device of internal combustion engine109US 5,473,890 AToyota Jidosha Kabushiki Kaisha · 1995
- Exhaust gas purification device for an engine103US 5,472,673 AToyota Jidosha Kabushiki Kaisha · 1995
- Exhaust emission control device of internal combustion engine94US 6,502,391 B1Toyota Jidosha Kabushiki Kaisha · 2003