F02D 41/0082
Per groups or banks
Official title: {per groups or banks (F02D41/0087 takes precedence)}
F02D41/0082 (Per groups or banks) appears on 436 US grants and 410 published applications in this corpus.
Search patents in F02D- Granted patents
- 436
- Published applications
- 410
- Assignees
- 108
- Inventors
- 863
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 10 | 0 |
| 2002 | 8 | 6 |
| 2003 | 11 | 13 |
| 2004 | 13 | 11 |
| 2005 | 12 | 21 |
| 2006 | 22 | 16 |
| 2007 | 16 | 23 |
| 2008 | 13 | 21 |
| 2009 | 12 | 20 |
| 2010 | 21 | 18 |
| 2011 | 12 | 20 |
| 2012 | 19 | 12 |
| 2013 | 12 | 9 |
| 2014 | 9 | 28 |
| 2015 | 20 | 24 |
| 2016 | 27 | 26 |
| 2017 | 14 | 22 |
| 2018 | 22 | 25 |
| 2019 | 24 | 23 |
| 2020 | 33 | 9 |
| 2021 | 18 | 14 |
| 2022 | 29 | 25 |
| 2023 | 12 | 7 |
| 2024 | 9 | 4 |
| 2025 | 9 | 4 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for modulating engine air-fuel ratio during cylinder imbalance diagnostic26 May 2026US 12,637,990 B1Ford Global Technologies, LLC
- Methods and systems for V8 engine fuel control3 Feb 2026US 12,540,583 B1Ford Global Technologies, LLC
- System and method for controlling fuel substitution in a dual fuel engine system30 Dec 2025US 12,510,033 B2Cummins Power Generation Inc.
- Catalyst protection during misfire30 Dec 2025US 12,510,037 B1Fca US LLC
- Engine control systems and methods for starting an engine2 Dec 2025US 12,486,816 B2PACCAR Inc
- Method for synchronizing an internal combustion engine on the basis of data from signals representative of air pressure in cylinders20 Aug 2026US 2026/0243208 A1Schaeffler Technologies AG & Co. KG
- Methods and systems for diagnosing four oxygen sensor system18 Jun 2026US 2026/0168456 A1Ford Global Technologies, LLC
- Methods and systems for modulating engine air-fuel ratio during cylinder imbalance diagnostic28 May 2026US 2026/0146573 A1Ford Global Technologies, LLC
- System and method for controlling fuel substitution in a dual fuel engine system30 Apr 2026US 2026/0117716 A1Cummins Power Generation Inc.
- Methods and systems for individual cylinder fuel-air ratio adaptation19 Mar 2026US 2026/0078712 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Apparatus and method for internal combustion engine control173US 5,657,625 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1997
- Differential torque operation for internal combustion engine167US 7,503,312 B2Ford Global Technologies, LLC · 2009
- Exhaust purification device for internal combustion engine116US 6,237,330 B1Nissan Motor Co., Ltd. · 2001
- Exhaust gas purification device for an internal combustion engine114US 5,974,793 AToyota Jidosha Kabushiki Kaisha · 1999
- Vapor recovery control system for direct injection spark ignition engines110US 5,950,603 AFord Global Technologies, LLC · 1999