F02B 23/0669
Having multiple fuel spray jets per injector nozzle
Official title: {having multiple fuel spray jets per injector nozzle}
F02B23/0669 (Having multiple fuel spray jets per injector nozzle) appears on 233 US grants and 224 published applications in this corpus.
Search patents in F02B- Granted patents
- 233
- Published applications
- 224
- Assignees
- 110
- Inventors
- 534
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 3 |
| 2002 | 1 | 8 |
| 2003 | 9 | 9 |
| 2004 | 5 | 8 |
| 2005 | 8 | 9 |
| 2006 | 7 | 12 |
| 2007 | 13 | 8 |
| 2008 | 10 | 6 |
| 2009 | 3 | 11 |
| 2010 | 4 | 14 |
| 2011 | 9 | 12 |
| 2012 | 4 | 5 |
| 2013 | 12 | 6 |
| 2014 | 9 | 7 |
| 2015 | 4 | 15 |
| 2016 | 7 | 11 |
| 2017 | 7 | 12 |
| 2018 | 15 | 12 |
| 2019 | 10 | 17 |
| 2020 | 14 | 13 |
| 2021 | 8 | 5 |
| 2022 | 4 | 4 |
| 2023 | 6 | 9 |
| 2024 | 5 | 4 |
| 2025 | 3 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Engine system, piston, and operating method for pseudo-tumble mixing of hydrogen fuel and air6 Jan 2026US 12,516,648 B2Caterpillar Inc.
- Piston for compression-ignition engine having antebowl and engine operating strategy utilizing same8 Jul 2025US 12,352,200 B2Caterpillar Inc.
- Stoichiometric high-temperature direct-injection compression-ignition engine14 Jan 2025US 12,196,125 B2The Board of Trustees of the Leland Stanford Junior University
- Control method for combustion system, combustion system and engine14 Jan 2025US 12,196,151 B2Weichai Power Co., Ltd.
- Apparatuses and methods for fuel injection and ignition in an internal combustion engine22 Oct 2024US 12,123,375 B2HPDI Technology Limited Partnership
- Wall-guided spark assistance for cold operations in gasoline compression ignition engines16 Jul 2026US 2026/0201828 A1Aramco Services Company
- Gaseous fuel engine system and method utilizing scalloped piston for hastened fuel-air mixing2 Jul 2026US 2026/0185496 A1Caterpillar Inc.
- Piston for reciprocating within a cylinder in an internal combustion engine18 Jun 2026US 2026/0168460 A1Cummins Inc.
- Engine system, piston, and operating method for pseudo-tumble mixing of hydrogen fuel and air25 Dec 2025US 2025/0389236 A1Caterpillar Inc.
- Control method for combustion system, combustion system and engine1 Aug 2024US 2024/0254939 A1Weichai Power Co., Ltd.
Most cited
By later US patents
- Combustion system for direct injection diesel engines95US 6,553,960 B1Yanmar Co., Ltd. · 2003
- Method and apparatus for dual fuel injection into an internal combustion engine93US 6,202,601 B1Westport Research Inc. · 2001
- Intensifier-injector for gaseous fuel for positive displacement engines67US 5,315,973 AThe University of British Columbia · 1994
- Internal combustion engine with injection of gaseous fuel64US 6,854,438 B2Westport Germany GmbH · 2005
- Method and apparatus for introducing fuel into a duel fuel system using the H-combustion process54US 5,365,902 AGeneral Electric Company · 1994