F02M 26/45
Sensors specially adapted for egr systems
Official title: Sensors specially adapted for EGR systems
F02M26/45 (Sensors specially adapted for egr systems) appears on 1,001 US grants and 896 published applications in this corpus.
Search patents in F02M- Granted patents
- 1,001
- Published applications
- 896
- Assignees
- 220
- Inventors
- 1,888
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 11 | 0 |
| 1997 | 11 | 0 |
| 1998 | 9 | 0 |
| 1999 | 16 | 0 |
| 2000 | 28 | 0 |
| 2001 | 33 | 14 |
| 2002 | 42 | 36 |
| 2003 | 38 | 36 |
| 2004 | 43 | 39 |
| 2005 | 42 | 39 |
| 2006 | 38 | 47 |
| 2007 | 47 | 58 |
| 2008 | 36 | 39 |
| 2009 | 28 | 36 |
| 2010 | 31 | 39 |
| 2011 | 39 | 53 |
| 2012 | 29 | 44 |
| 2013 | 27 | 40 |
| 2014 | 29 | 49 |
| 2015 | 42 | 46 |
| 2016 | 48 | 66 |
| 2017 | 50 | 35 |
| 2018 | 45 | 49 |
| 2019 | 49 | 53 |
| 2020 | 53 | 27 |
| 2021 | 28 | 16 |
| 2022 | 22 | 12 |
| 2023 | 14 | 12 |
| 2024 | 9 | 4 |
| 2025 | 5 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sensor system and method14 Jul 2026US 12,680,516 B2Transportation IP Holdings, LLC
- Systems and methods for reducing emissions21 Apr 2026US 12,607,153 B2General Electric Company
- Exhaust gas recirculation and aftertreatment control30 Dec 2025US 12,510,036 B2Perkins Engines Company Limited
- System and method for operating exhaust gas recirculation in gas turbines21 Oct 2025US 12,448,937 B1GE Vernova Infrastructure Technology LLC
- Evaluation system and method22 Jul 2025US 12,366,306 B2Transportation IP Holdings, LLC
- Engine system27 Aug 2026US 2026/0251110 A1Subaru Corporation
- Gas processing systems with emissions quantification19 Mar 2026US 2026/0078724 A1Inpro/Seal LLC
- System and method for operating exhaust gas recirculation in gas turbines22 Jan 2026US 2026/0022682 A1GE Vernova Infrastructure Technology LLC
- Engine4 Dec 2025US 2025/0369408 A1
- Egr valve control apparatus31 Jul 2025US 2025/0243830 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Valve selection for an engine operating in a multi-stroke cylinder mode179US 7,063,062 B2Ford Global Technologies, LLC · 2006
- 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
- Multivariable control for an engine131US 7,328,577 B2Honeywell International Inc. · 2008
- Coordinated multivariable control of fuel and air in engines127US 7,275,374 B2Honeywell International Inc. · 2007