F02D 41/008
Controlling each cylinder individually
Official title: {Controlling each cylinder individually}
F02D41/008 (Controlling each cylinder individually) appears on 3,208 US grants and 2,815 published applications in this corpus.
Search patents in F02D- Granted patents
- 3,208
- Published applications
- 2,815
- Assignees
- 361
- Inventors
- 4,566
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 9 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 15 | 0 |
| 1984 | 20 | 0 |
| 1985 | 17 | 0 |
| 1986 | 4 | 0 |
| 1987 | 13 | 0 |
| 1988 | 11 | 0 |
| 1989 | 12 | 0 |
| 1990 | 18 | 0 |
| 1991 | 16 | 0 |
| 1992 | 22 | 0 |
| 1993 | 14 | 0 |
| 1994 | 12 | 0 |
| 1995 | 28 | 0 |
| 1996 | 32 | 0 |
| 1997 | 34 | 0 |
| 1998 | 68 | 0 |
| 1999 | 42 | 0 |
| 2000 | 35 | 0 |
| 2001 | 54 | 14 |
| 2002 | 54 | 66 |
| 2003 | 74 | 88 |
| 2004 | 87 | 89 |
| 2005 | 86 | 101 |
| 2006 | 105 | 80 |
| 2007 | 86 | 100 |
| 2008 | 76 | 113 |
| 2009 | 76 | 125 |
| 2010 | 84 | 98 |
| 2011 | 90 | 128 |
| 2012 | 89 | 105 |
| 2013 | 97 | 117 |
| 2014 | 96 | 142 |
| 2015 | 102 | 150 |
| 2016 | 145 | 181 |
| 2017 | 183 | 200 |
| 2018 | 183 | 190 |
| 2019 | 228 | 182 |
| 2020 | 193 | 133 |
| 2021 | 166 | 123 |
| 2022 | 153 | 130 |
| 2023 | 109 | 61 |
| 2024 | 70 | 46 |
| 2025 | 47 | 25 |
| 2026 | 14 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for operating an engine11 Aug 2026US 12,704,098 B2Ford Global Technologies, LLC
- Engine control system for intake valve opening timing during cold start11 Aug 2026US 12,704,099 B2Cummins Power Generation Inc.
- Methods and systems for individual cylinder fuel-air ratio adaptation23 Jun 2026US 12,662,974 B2Ford Global Technologies, LLC
- 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
- Non-intrusive fueling event measurement for fueling systems8 Oct 2026US 2026/0309103 A1Cummins-Scania HPCR System, LLC
- Intake temperature management systems for compression ignition of small molecule fuels10 Sep 2026US 2026/0266249 A1
- Method of controlling injection in a hydrogen internal combustion engine20 Aug 2026US 2026/0243207 A1Phinia Delphi Luxembourg Sarl
- 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
- System and method of fuel injection mode transitions for an internal combustion engine during cylinder activation and deactivation20 Aug 2026US 2026/0243214 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Internal combustion engine control for improved fuel efficiency214US 8,099,224 B2Tula Technology, Inc. · 2012
- Internal combustion engine control for improved fuel efficiency208US 7,577,511 B1Tula Technology, Inc. · 2009
- System for controllably disabling cylinders in an internal combustion engine206US 6,619,258 B2Delphi Technologies, Inc. · 2003
- Skip-cycle strategies for four cycle engine202US 5,377,631 AFord Motor Company · 1995
- Process and apparatus for intermittent control of a cyclically operating internal combustion engine201US 4,509,488 ADaimler-Benz Aktiengesellschaft · 1985