F02M 2026/004
Egr valve controlled by a temperature signal or an air/fuel ratio signal
Official title: {EGR valve controlled by a temperature signal or an air/fuel ratio (lambda) signal}
F02M2026/004 (Egr valve controlled by a temperature signal or an air/fuel ratio signal) appears on 104 US grants and 62 published applications in this corpus.
Search patents in F02M- Granted patents
- 104
- Published applications
- 62
- Assignees
- 53
- Inventors
- 253
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 3 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 2 | 5 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 3 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 4 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 4 | 5 |
| 2017 | 3 | 3 |
| 2018 | 5 | 10 |
| 2019 | 6 | 6 |
| 2020 | 7 | 6 |
| 2021 | 6 | 2 |
| 2022 | 4 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 2 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for operating exhaust gas recirculation in gas turbines21 Oct 2025US 12,448,937 B1GE Vernova Infrastructure Technology LLC
- Air-handling system for fuel-efficient low load thermal promotion and high load operation for heavy duty engines1 Jul 2025US 12,345,220 B1Saudi Arabian Oil Company
- System and method for management of multiple exhaust gas recirculation coolers19 Nov 2024US 12,146,457 B2Innio Waukesha Gas Engines Inc.
- Aftertreatment heat management by controlled exhaust-gas recirculation with variable co-current flow upstream of first catalyst15 Aug 2023US 11,725,611 B2Ford Global Technologies, LLC
- Method of operating an internal combustion engine6 Dec 2022US 11,519,353 B2Ford Global Technologies, LLC
- Intake temperature management systems for compression ignition of small molecule fuels10 Sep 2026US 2026/0266249 A1
- System and method for operating exhaust gas recirculation in gas turbines22 Jan 2026US 2026/0022682 A1GE Vernova Infrastructure Technology LLC
- Air-handling system for fuel-efficient low load thermal promotion and high load operation for heavy duty engines3 Jul 2025US 2025/0215846 A1Aramco Services Company
- Exhaust gas recirculation device and exhaust gas recirculation method for internal combustion engine26 Jun 2025US 2025/0207547 A1Toyota Jidosha Kabushiki Kaisha
- Aftertreatment heat management by controlled exhaust gas recirculation with variable co-current flow upstream of first catalyst22 Jun 2023US 2023/0193860 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Engine exhaust system for reduction of hydrocarbon emissions78US 5,207,734 ACorning Incorporated · 1993
- Emission control system with integrated evaporative canister purge44US 4,308,841 AGeneral Motors Corporation · 1982
- Diesel engine having a subchamber32US 4,276,865 ANissan Motor Co., Ltd. · 1981
- Exhaust gas recirculation system31US 6,098,602 AFord Global Technologies, LLC · 2000
- Method and means for pre-heating the intake air of a supercharged, low-compression ratio diesel engine when operating at low load26US 4,122,679 ASociete d'Etudes de Machines Thermiques · 1978