F02D 41/3017
Characterised by the mode being used
Official title: {characterised by the mode(s) being used}
F02D41/3017 (Characterised by the mode being used) appears on 2,015 US grants and 1,777 published applications in this corpus.
Search patents in F02D- Granted patents
- 2,015
- Published applications
- 1,777
- Assignees
- 291
- Inventors
- 2,711
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 12 | 0 |
| 1993 | 10 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 27 | 0 |
| 1999 | 59 | 0 |
| 2000 | 61 | 0 |
| 2001 | 102 | 37 |
| 2002 | 94 | 77 |
| 2003 | 118 | 89 |
| 2004 | 72 | 75 |
| 2005 | 65 | 68 |
| 2006 | 96 | 125 |
| 2007 | 99 | 119 |
| 2008 | 94 | 120 |
| 2009 | 53 | 113 |
| 2010 | 107 | 63 |
| 2011 | 66 | 69 |
| 2012 | 52 | 58 |
| 2013 | 63 | 69 |
| 2014 | 55 | 60 |
| 2015 | 51 | 67 |
| 2016 | 56 | 76 |
| 2017 | 67 | 59 |
| 2018 | 65 | 86 |
| 2019 | 73 | 80 |
| 2020 | 99 | 95 |
| 2021 | 98 | 59 |
| 2022 | 59 | 37 |
| 2023 | 44 | 41 |
| 2024 | 30 | 12 |
| 2025 | 11 | 17 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02D 41/3035A mode being the premixed charge compression-ignition mode1,048
- F02D 41/3023A mode being the stratified charge spark-ignited mode831
- F02D 41/3058The engine working with a variable number of cycles144
- F02D 2041/3052The mode being the stratified charge compression-ignition modeIndexing code45
Recent patents
- Fuel agnostic compression ignition engine18 Aug 2026US 12,710,015 B2Climate Energy Investments, LLC
- Systems and methods for combusting unconventional fuel chemistries in a diesel engine architecture7 Jul 2026US 12,674,409 B2Climate Energy Investments, LLC
- Engine braking mode selection systems and methods16 Jun 2026US 12,655,806 B2Cummins Inc.
- Split cycle engine2 Jun 2026US 12,644,406 B2Fpt Industrial S.P.A.
- Stratified nitrogen enriched air (NEA) strategies and methods to reduce NOx emissions from engines12 May 2026US 12,624,654 B2Saudi Arabian Oil Company
- Method and Apparatus for Non-Fossil Fuel Internal Combustion Engine27 Aug 2026US 2026/0251112 A1MayMaan Research, LLC
- 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
- Temperature-controllable glow plug assisted compression ignition methanol engine and control method thereof23 Jul 2026US 2026/0210322 A1Taiyuan University of Technology
- Internal combustion engine11 Jun 2026US 2026/0160216 A1Toyota Jidosha Kabushiki Kaisha
- Fuel system for engine2 Apr 2026US 2026/0092584 A1American CNG, LLC
Most cited
By later US patents
- Internal combustion engine control for improved fuel efficiency208US 7,577,511 B1Tula Technology, Inc. · 2009
- 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
- Engine operation using fully flexible valve and injection events156US 5,117,790 ACaterpillar Inc. · 1992
- Apparatus and method for reducing emissions in a dual combustion mode diesel engine156US 5,875,743 ASouthwest Research Institute · 1999