F02M 21/0284
Arrangement of multiple injectors or fuel-air mixers per combustion chamber
Official title: {Arrangement of multiple injectors or fuel-air mixers per combustion chamber}
F02M21/0284 (Arrangement of multiple injectors or fuel-air mixers per combustion chamber) appears on 100 US grants and 101 published applications in this corpus.
Search patents in F02M- Granted patents
- 100
- Published applications
- 101
- Assignees
- 67
- Inventors
- 240
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 4 |
| 2003 | 4 | 3 |
| 2004 | 2 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 6 |
| 2010 | 4 | 4 |
| 2011 | 2 | 6 |
| 2012 | 1 | 2 |
| 2013 | 3 | 3 |
| 2014 | 1 | 12 |
| 2015 | 8 | 16 |
| 2016 | 9 | 5 |
| 2017 | 8 | 1 |
| 2018 | 7 | 6 |
| 2019 | 1 | 3 |
| 2020 | 4 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 2 |
| 2023 | 2 | 3 |
| 2024 | 5 | 7 |
| 2025 | 4 | 6 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ammonia engine system26 May 2026US 12,637,972 B2Kabushiki Kaisha Toyota Jidoshokki
- Fuel system for a spark ignition engine21 Apr 2026US 12,607,150 B2Fpt Industrial S.P.A.
- Internal combustion engine and method for operating an internal combustion engine18 Nov 2025US 12,473,870 B2Innio Jenbacher GmbH & Co OG
- Apparatus and method for regulating and injecting gaseous fuel into an internal combustion engine14 Oct 2025US 12,442,337 B2HPDI Technology LP
- Internal combustion engine and a method for operating an internal combustion engine5 Aug 2025US 12,378,921 B2Innio Jenbacher GmbH & Co OG
- Fuel injection system for an internal combustion engine of a vehicle and a fuel injection method20 Aug 2026US 2026/0243192 A1Volvo Truck Corporation
- Gaseous fuel engine and operating strategy forming gaseous fuel charge from multiple injections13 Aug 2026US 2026/0235092 A1Caterpillar Inc.
- Engine and operating strategy augmenting tumble flow to increase fuel-air mixing30 Jul 2026US 2026/0218671 A1Caterpillar Inc.
- Apparatus and method for regulating and injecting gaseous fuel into an internal combustion engine5 Feb 2026US 2026/0036095 A1Cespira Canada LP
- Ammonia engine system11 Dec 2025US 2025/0376941 A1Kabushiki Kaisha Toyota Jidoshokki
Most cited
By later US patents
- Operating techniques for internal combustion engines116US 6,408,625 B1Cummins Engine Company, Inc. · 2002
- Fuel gas admixing process and device78US 5,992,388 APatentanwalt Hans Rudolf Gachnang · 1999
- Fuel combustion system, method, and nozzle member therefor65US 5,024,193 ACaterpillar Inc. · 1991
- Internal combustion engine with ammonia fuel47US 8,166,926 B2Southwest Research Institute · 2012
- Method and apparatus for gaseous fuel introduction and controlling combustion in an internal combustion engine45US 6,640,773 B2Westport Research Inc. · 2003