F01N 2610/04
The substance being hydrogen
Official title: the substance being hydrogen
F01N2610/04 (The substance being hydrogen) appears on 180 US grants and 219 published applications in this corpus.
Search patents in F01N- Granted patents
- 180
- Published applications
- 219
- Assignees
- 98
- Inventors
- 493
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 9 |
| 2003 | 5 | 11 |
| 2004 | 12 | 21 |
| 2005 | 9 | 16 |
| 2006 | 13 | 21 |
| 2007 | 7 | 14 |
| 2008 | 8 | 15 |
| 2009 | 8 | 9 |
| 2010 | 6 | 20 |
| 2011 | 8 | 5 |
| 2012 | 6 | 7 |
| 2013 | 8 | 3 |
| 2014 | 5 | 3 |
| 2015 | 4 | 3 |
| 2016 | 3 | 2 |
| 2017 | 3 | 5 |
| 2018 | 1 | 7 |
| 2019 | 7 | 6 |
| 2020 | 6 | 8 |
| 2021 | 9 | 6 |
| 2022 | 6 | 6 |
| 2023 | 6 | 8 |
| 2024 | 6 | 4 |
| 2025 | 4 | 4 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems including a hydrogen internal combustion engine and aftertreatment system1 Sep 2026US 12,723,528 B2Cummins Emission Solutions Inc.
- Work vehicle and aftertreatment system therefor25 Aug 2026US 12,716,375 B2Deere & Company
- Performance enhancement of a platinum-containing catalyst via exhaust gas hydrogen enrichment16 Jun 2026US 12,654,160 B2BASF Mobile Emissions Catalysts LLC
- Method for controlling the operation of a hydrogen combustion engine system3 Feb 2026US 12,540,568 B2Volvo Truck Corporation
- Hydrogen oxidation catalysts for hydrogen-internal combustion engine systems13 Jan 2026US 12,523,169 B2BASF Mobile Emissions Catalysts LLC
- Exhaust aftertreatment system, an engine system, and methods for controlling operation thereof3 Sep 2026US 2026/0258743 A1Volvo Truck Corporation
- Work vehicle and aftertreatment system therefor6 Aug 2026US 2026/0226857 A1Deere & Company
- Hydrogen combustion engine arrangement and method of operating a hydrogen combustion engine arrangement14 May 2026US 2026/0132749 A1Volvo Truck Corporation
- Systems and methods for treatment of gas engine exhaust23 Apr 2026US 2026/0110259 A1Ceco Environmental IP Inc.
- A method for controlling the operation of a hydrogen combustion engine system4 Dec 2025US 2025/0369380 A1Volvo Truck Corporation
Most cited
By later US patents
- Method and apparatus for reducing nitrogen oxides from internal combustion engine207US 5,272,871 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1993
- NOx decreasing apparatus for an internal combustion engine153US 5,412,946 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1995
- Integrated NOx and PM reduction devices for the treatment of emissions from internal combustion engines116US 7,062,904 B1Eaton Corporation · 2006
- Urea reduction of NO.sub.x in combustion effluents113US 4,208,386 AElectric Power Research Institute, Inc. · 1980
- Diagnostics and control of an on board hydrogen generation and delivery system93US 5,964,089 ALynntech, Inc. · 1999