F02D 41/1466
The characteristics being a soot concentration or content
Official title: {the characteristics being a soot concentration or content}
F02D41/1466 (The characteristics being a soot concentration or content) appears on 316 US grants and 340 published applications in this corpus.
Search patents in F02D- Granted patents
- 316
- Published applications
- 340
- Assignees
- 110
- Inventors
- 699
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 3 | 3 |
| 2005 | 2 | 1 |
| 2006 | 2 | 9 |
| 2007 | 8 | 16 |
| 2008 | 7 | 13 |
| 2009 | 10 | 10 |
| 2010 | 9 | 18 |
| 2011 | 11 | 26 |
| 2012 | 14 | 35 |
| 2013 | 15 | 33 |
| 2014 | 34 | 16 |
| 2015 | 24 | 16 |
| 2016 | 23 | 23 |
| 2017 | 16 | 16 |
| 2018 | 23 | 18 |
| 2019 | 22 | 26 |
| 2020 | 22 | 21 |
| 2021 | 26 | 12 |
| 2022 | 11 | 10 |
| 2023 | 10 | 5 |
| 2024 | 5 | 6 |
| 2025 | 5 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for balancing outputs from multiple cylinder banks of an internal combustion engine14 Jul 2026US 12,680,517 B2Cummins Inc.
- Control device for hybrid vehicle3 Feb 2026US 12,539,859 B2Toyota Jidosha Kabushiki Kaisha
- Exhaust gas recirculation and aftertreatment control30 Dec 2025US 12,510,036 B2Perkins Engines Company Limited
- Internal-combustion engine control device and filter regeneration method15 Jul 2025US 12,359,636 B2Hitachi Astemo, Ltd.
- Control device and notification method18 Feb 2025US 12,230,076 B2Komatsu Ltd.
- Real-Time On-Board Fuel Classification in Internal Combustion Engines12 Mar 2026US 2026/0071586 A1
- Predictive control system and method for vehicle systems1 May 2025US 2025/0137414 A1Cummins Inc.
- System and method for balancing outputs from multiple cylinder banks of an internal combustion engine20 Feb 2025US 2025/0059928 A1Cummins Inc.
- Method and system for clogged injectors diagnostics using fuel trims20 Feb 2025US 2025/0059941 A1Intangles Lab Pvt. Ltd.
- Thermal management of an internal combustion engine31 Oct 2024US 2024/0360799 A1Perkins Engines Company Limited
Most cited
By later US patents
- Low emission, diesel-cycle engine158US 6,470,682 B2The United States of America as represented by the Administrator of the United States Environmental Protection Agency · 2002
- Low emission, diesel-cycle engine146US 6,301,888 B1The United States of America as represented by the Administrator of the Environmental Protection Agency · 2001
- Method and system for using a measure of fueling rate in the air side control of an engine98US 7,165,399 B2Honeywell International Inc. · 2007
- Emissions sensors for fuel control in engines93US 7,389,773 B2Honeywell International Inc. · 2008
- Use of sensors in a state observer for a diesel engine82US 7,155,334 B1Honeywell International Inc. · 2006