F02B 23/105
The fuel is sprayed directly onto or close to the spark plug
Official title: {the fuel is sprayed directly onto or close to the spark plug}
F02B23/105 (The fuel is sprayed directly onto or close to the spark plug) appears on 95 US grants and 75 published applications in this corpus.
Search patents in F02B- Granted patents
- 95
- Published applications
- 75
- Assignees
- 38
- Inventors
- 219
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 5 | 4 |
| 2003 | 5 | 2 |
| 2004 | 5 | 6 |
| 2005 | 4 | 2 |
| 2006 | 3 | 3 |
| 2007 | 2 | 5 |
| 2008 | 5 | 4 |
| 2009 | 3 | 1 |
| 2010 | 2 | 4 |
| 2011 | 2 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 3 | 7 |
| 2016 | 3 | 3 |
| 2017 | 3 | 3 |
| 2018 | 3 | 3 |
| 2019 | 5 | 4 |
| 2020 | 4 | 3 |
| 2021 | 3 | 1 |
| 2022 | 2 | 3 |
| 2023 | 3 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Internal combustion engine for gaseous fuel18 Mar 2025US 12,253,046 B2Volvo Truck Corporation
- Engine12 Nov 2024US 12,140,099 B2Subaru Corporation
- Cylinder head of an internal combustion engine6 Feb 2024US 11,891,946 B2AVL List GmbH
- Internal combustion engine for gaseous fuel12 Dec 2023US 11,840,984 B2Volvo Truck Corporation
- Internal combustion engine3 Oct 2023US 11,773,802 B2Toyota Jidosha Kabushiki Kaisha
- Gaseous fuel combustion system and method utilizing a piston reentrant feature for hastened fuel-air mixing16 Jul 2026US 2026/0201829 A1Caterpillar Inc.
- Engine4 Apr 2024US 2024/0110530 A1Subaru Corporation
- Internal combustion engine for gaseous fuel29 Feb 2024US 2024/0068426 A1Volvo Truck Corporation
- Internal combustion engine for gaseous fuel22 Jun 2023US 2023/0193848 A1Volvo Truck Corporation
- Internal combustion engine20 Apr 2023US 2023/0118993 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Combustion engine71US 6,213,086 B1AVL List GmbH · 2001
- Engine with two port fuel injectors67US 7,647,916 B2Ford Global Technologies, LLC · 2010
- Direct fuel injection stratified charge engine63US 5,605,125 A1997
- Cylinder injection engine and fuel injection nozzle used for the engine61US 6,722,340 B1Hitachi, Ltd. · 2004
- Direct fuel injection stratified charge engine53US 5,746,171 A1998