F02D 41/0085
Balancing of cylinder outputs
Official title: {Balancing of cylinder outputs, e.g. speed, torque or air-fuel ratio}
F02D41/0085 (Balancing of cylinder outputs) appears on 543 US grants and 528 published applications in this corpus.
Search patents in F02D- Granted patents
- 543
- Published applications
- 528
- Assignees
- 121
- Inventors
- 1,164
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 13 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 3 |
| 2002 | 7 | 10 |
| 2003 | 11 | 9 |
| 2004 | 8 | 5 |
| 2005 | 7 | 7 |
| 2006 | 9 | 7 |
| 2007 | 14 | 15 |
| 2008 | 9 | 25 |
| 2009 | 10 | 32 |
| 2010 | 25 | 20 |
| 2011 | 20 | 31 |
| 2012 | 22 | 45 |
| 2013 | 33 | 38 |
| 2014 | 22 | 26 |
| 2015 | 21 | 27 |
| 2016 | 31 | 41 |
| 2017 | 32 | 33 |
| 2018 | 35 | 28 |
| 2019 | 36 | 35 |
| 2020 | 36 | 30 |
| 2021 | 35 | 25 |
| 2022 | 23 | 6 |
| 2023 | 11 | 6 |
| 2024 | 5 | 5 |
| 2025 | 8 | 7 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of controlling internal combustion engine, control arrangement, internal combustion engine, and vehicle23 Jun 2026US 12,662,975 B2Scania CV AB
- Methods and systems for modulating engine air-fuel ratio during cylinder imbalance diagnostic26 May 2026US 12,637,990 B1Ford Global Technologies, LLC
- Method of fuel injector management based on cylinder knock detection and vehicle including the same17 Mar 2026US 12,577,921 B1GM Global Technology Operations LLC
- Methods and systems for V8 engine fuel control3 Feb 2026US 12,540,583 B1Ford Global Technologies, LLC
- Method for operating a spark-ignition internal combustion engine and controller for carrying out the method20 Jan 2026US 12,529,344 B2Keyou GmbH
- Non-intrusive fueling event measurement for fueling systems8 Oct 2026US 2026/0309103 A1Cummins-Scania HPCR System, LLC
- Method of controlling injection in a hydrogen internal combustion engine20 Aug 2026US 2026/0243207 A1Phinia Delphi Luxembourg Sarl
- Method for controlling an execution of functions during the operation of an internal combustion engine23 Jul 2026US 2026/0210309 A1
- Methods and systems for diagnosing four oxygen sensor system18 Jun 2026US 2026/0168456 A1Ford Global Technologies, LLC
- Internal combustion engine controller11 Jun 2026US 2026/0160212 A1Toyota Jidosha 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
- Differential torque operation for internal combustion engine167US 7,503,312 B2Ford Global Technologies, LLC · 2009
- Method for engine control136US 5,445,128 ADetroit Diesel Corporation · 1995
- Method and system for engine control102US 5,477,827 ADetroit Diesel Corporation · 1995
- Method and apparatus for desulfating a NO.sub.x trap101US 5,758,493 AFord Global Technologies, LLC · 1998