F02M 26/52
Systems for actuating egr valves
Official title: Systems for actuating EGR valves
F02M26/52 (Systems for actuating egr valves) appears on 1,443 US grants and 704 published applications in this corpus.
Search patents in F02M- Granted patents
- 1,443
- Published applications
- 704
- Assignees
- 303
- Inventors
- 2,212
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 53 | 0 |
| 1978 | 58 | 0 |
| 1979 | 60 | 0 |
| 1980 | 72 | 0 |
| 1981 | 56 | 0 |
| 1982 | 45 | 0 |
| 1983 | 39 | 0 |
| 1984 | 43 | 0 |
| 1985 | 20 | 0 |
| 1986 | 15 | 0 |
| 1987 | 24 | 0 |
| 1988 | 11 | 0 |
| 1989 | 12 | 0 |
| 1990 | 9 | 0 |
| 1991 | 13 | 0 |
| 1992 | 14 | 0 |
| 1993 | 22 | 0 |
| 1994 | 15 | 0 |
| 1995 | 13 | 0 |
| 1996 | 23 | 0 |
| 1997 | 26 | 0 |
| 1998 | 20 | 0 |
| 1999 | 29 | 0 |
| 2000 | 34 | 0 |
| 2001 | 48 | 22 |
| 2002 | 53 | 38 |
| 2003 | 48 | 45 |
| 2004 | 34 | 24 |
| 2005 | 38 | 37 |
| 2006 | 26 | 25 |
| 2007 | 29 | 40 |
| 2008 | 18 | 25 |
| 2009 | 13 | 20 |
| 2010 | 17 | 27 |
| 2011 | 22 | 29 |
| 2012 | 16 | 26 |
| 2013 | 14 | 31 |
| 2014 | 16 | 23 |
| 2015 | 29 | 31 |
| 2016 | 23 | 59 |
| 2017 | 47 | 43 |
| 2018 | 56 | 53 |
| 2019 | 34 | 28 |
| 2020 | 43 | 28 |
| 2021 | 28 | 18 |
| 2022 | 11 | 10 |
| 2023 | 9 | 12 |
| 2024 | 6 | 6 |
| 2025 | 8 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Engine system25 Aug 2026US 12,716,395 B2Volvo Truck Corporation
- Exhaust gas control valve2 Sep 2025US 12,404,797 B2BorgWarner Inc.
- Exhaust gas recirculation valve assembly19 Aug 2025US 12,392,309 B2Power Packer North America, Inc.
- Evaluation system and method22 Jul 2025US 12,366,306 B2Transportation IP Holdings, LLC
- EGR valve15 Jul 2025US 12,359,748 B2Aisan Kogyo Kabushiki Kaisha
- Exhaust gas recirculation circuit for improved particle filter regeneration20 Aug 2026US 2026/0243219 A1Volvo Truck Corporation
- Engine system29 Jan 2026US 2026/0028951 A1Volvo Truck Corporation
- Egr valve control apparatus31 Jul 2025US 2025/0243830 A1Honda Motor Co., Ltd.
- Exhaust gas recirculation valve assembly29 May 2025US 2025/0172112 A1Power Packer North America, Inc.
- Egr valve5 Sep 2024US 2024/0295277 A1Aisan Kogyo Kabushiki Kaisha
Most cited
By later US patents
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Fault diagnostic system for vehicles using identification and program codes172US 5,491,631 AHonda Giken Kogyo Kabushiki Kaisha · 1996
- Sequential turbocharger system for an internal combustion engine135US 5,142,866 AToyota Jidosha Kabushiki Kaisha · 1992
- Exhaust gas purification device for an internal combustion engine105US 5,732,554 AToyota Jidosha Kabushiki Kaisha · 1998
- Throttle control system for internal combustion engine with vehicle driving condition-dependent throttle angle correction coefficient variable95US 4,962,570 ANissan Motor Co., Ltd. · 1990