F02B 23/0651
The fuel spray impinging on reflecting surfaces or being specially guided throughout
Official title: {the fuel spray impinging on reflecting surfaces or being specially guided throughout the combustion space}
F02B23/0651 (The fuel spray impinging on reflecting surfaces or being specially guided throughout) appears on 182 US grants and 175 published applications in this corpus.
Search patents in F02B- Granted patents
- 182
- Published applications
- 175
- Assignees
- 82
- Inventors
- 440
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 5 |
| 2004 | 4 | 4 |
| 2005 | 2 | 5 |
| 2006 | 6 | 5 |
| 2007 | 5 | 5 |
| 2008 | 2 | 4 |
| 2009 | 5 | 5 |
| 2010 | 2 | 10 |
| 2011 | 4 | 9 |
| 2012 | 4 | 5 |
| 2013 | 7 | 7 |
| 2014 | 10 | 7 |
| 2015 | 3 | 10 |
| 2016 | 7 | 10 |
| 2017 | 7 | 10 |
| 2018 | 16 | 11 |
| 2019 | 8 | 14 |
| 2020 | 17 | 21 |
| 2021 | 7 | 4 |
| 2022 | 8 | 5 |
| 2023 | 6 | 9 |
| 2024 | 3 | 1 |
| 2025 | 3 | 3 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Internal combustion engine system10 Feb 2026US 12,546,263 B2Volvo Truck Corporation
- Piston and an internal combustion engine system14 Oct 2025US 12,442,347 B2Volvo Truck Corporation
- Piston for compression-ignition engine having antebowl and engine operating strategy utilizing same8 Jul 2025US 12,352,200 B2Caterpillar Inc.
- Control method for combustion system, combustion system and engine14 Jan 2025US 12,196,151 B2Weichai Power Co., Ltd.
- Ducted fuel injection systems and methods implementing pilot injection19 Mar 2024US 11,933,244 B2Caterpillar Inc.
- Ducted fuel injection strategy employing baffle for redirection of combusting fuel plumes10 Sep 2026US 2026/0266213 A1Caterpillar Inc.
- Piston Bowl For An Internal Combustion Engine20 Aug 2026US 2026/0243215 A1Perkins Engines Company Limited
- Gaseous fuel combustion system and method utilizing a piston reentrant feature for hastened fuel-air mixing16 Jul 2026US 2026/0201829 A1Caterpillar Inc.
- Piston for reciprocating within a cylinder in an internal combustion engine18 Jun 2026US 2026/0168460 A1Cummins Inc.
- Coating system22 Jan 2026US 2026/0022678 A1Volvo Truck Corporation
Most cited
By later US patents
- Hybrid electric vehicle127US 5,881,559 AIsuzu Ceramics Research Institute Co., Ltd. · 1999
- Gas-fueled, compression ignition engine with maximized pilot ignition intensity52US 6,598,584 B2Clean Air Partners, Inc. · 2003
- Multi-fuel compression ignition engine50US 7,036,482 B2Clean Air Power, Inc. · 2006
- Internal combustion engine producing low emissions38US 7,210,448 B2Cummins Inc. · 2007
- Combustion chamber assembly of direct injection diesel engines33US 5,029,563 A1991