F02M 21/0248
Injectors
Official title: {Injectors}
F02M21/0248 (Injectors) appears on 750 US grants and 779 published applications in this corpus.
Search patents in F02M- Granted patents
- 750
- Published applications
- 779
- Assignees
- 287
- Inventors
- 1,453
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 14 | 0 |
| 1998 | 17 | 0 |
| 1999 | 17 | 0 |
| 2000 | 11 | 0 |
| 2001 | 17 | 11 |
| 2002 | 24 | 14 |
| 2003 | 16 | 12 |
| 2004 | 13 | 22 |
| 2005 | 8 | 20 |
| 2006 | 12 | 13 |
| 2007 | 19 | 19 |
| 2008 | 15 | 21 |
| 2009 | 11 | 19 |
| 2010 | 14 | 15 |
| 2011 | 13 | 26 |
| 2012 | 14 | 22 |
| 2013 | 8 | 33 |
| 2014 | 23 | 58 |
| 2015 | 34 | 58 |
| 2016 | 43 | 55 |
| 2017 | 52 | 35 |
| 2018 | 37 | 36 |
| 2019 | 44 | 36 |
| 2020 | 27 | 33 |
| 2021 | 25 | 13 |
| 2022 | 27 | 21 |
| 2023 | 29 | 42 |
| 2024 | 44 | 55 |
| 2025 | 43 | 50 |
| 2026 | 13 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02M 21/0257Details of the valve closing elements331
- F02M 21/0275For in-cylinder direct injection301
- F02M 21/0251Details of actuators therefor236
- F02M 21/0278Port fuel injectors for single or multipoint injection into the air intake174
- F02M 21/0281Adapters, sockets or the like to mount injection valves onto engines151
Recent patents
- Injector for gaseous fuel8 Sep 2026US 12,729,660 B2Phinia Delphi Luxembourg Sarl
- Fuel delivery assembly1 Sep 2026US 12,723,560 B1Caterpillar Inc.
- Pre-chamber combustion systems and methods11 Aug 2026US 12,704,088 B2M2X Energy Inc.
- Fuel injector28 Jul 2026US 12,692,827 B2Phinia Delphi Luxembourg Sarl
- Injector for injecting fuel30 Jun 2026US 12,669,100 B2Liebherr-Components Deggendorf GmbH
- Hydrogen Supply System for an Internal Combustion Engine8 Oct 2026US 2026/0309107 A1Robert Bosch GmbH
- Fuel supply system, and vehicle1 Oct 2026US 2026/0298160 A1Isuzu Motors Limited
- Internal combustion engine1 Oct 2026US 2026/0298179 A1Toyota Jidosha Kabushiki Kaisha
- Integrated fuel supply and injection system suitable for ammonia-hydrogen blending1 Oct 2026US 2026/0298180 A1Tianjin University
- Gas fuel injection valve17 Sep 2026US 2026/0275943 A1Denso Corporation
Most cited
By later US patents
- Fuel injector nozzle adapter118US 6,913,210 B2Holley Performance Products, Inc. · 2005
- Operating techniques for internal combustion engines116US 6,408,625 B1Cummins Engine Company, Inc. · 2002
- Method and apparatus for dual fuel injection into an internal combustion engine93US 6,202,601 B1Westport Research Inc. · 2001
- Multifuel storage, metering and ignition system92US 7,628,137 B12009
- Combustion enhancement system and method87US 6,745,744 B22004