F02B 19/10
Engines characterised by precombustion chambers: with fuel introduced partly into pre-combustion chamber
Official title: with fuel introduced partly into pre-combustion chamber, and partly into cylinder
F02B19/10 (Engines characterised by precombustion chambers: with fuel introduced partly into pre-combustion chamber) appears on 647 US grants and 450 published applications in this corpus.
Search patents in F02B- Granted patents
- 647
- Published applications
- 450
- Assignees
- 198
- Inventors
- 964
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 41 | 0 |
| 1977 | 34 | 0 |
| 1978 | 45 | 0 |
| 1979 | 18 | 0 |
| 1980 | 24 | 0 |
| 1981 | 10 | 0 |
| 1982 | 7 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 4 |
| 2004 | 3 | 5 |
| 2005 | 5 | 4 |
| 2006 | 5 | 3 |
| 2007 | 4 | 7 |
| 2008 | 6 | 5 |
| 2009 | 2 | 3 |
| 2010 | 3 | 4 |
| 2011 | 3 | 11 |
| 2012 | 2 | 10 |
| 2013 | 2 | 14 |
| 2014 | 15 | 24 |
| 2015 | 15 | 22 |
| 2016 | 18 | 57 |
| 2017 | 40 | 30 |
| 2018 | 42 | 38 |
| 2019 | 26 | 30 |
| 2020 | 31 | 23 |
| 2021 | 39 | 28 |
| 2022 | 37 | 30 |
| 2023 | 35 | 42 |
| 2024 | 35 | 31 |
| 2025 | 14 | 11 |
| 2026 | 11 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Passive prechamber fueling device and method1 Sep 2026US 12,723,537 B2Saudi Arabian Oil Company
- Pre-chamber combustion systems and methods11 Aug 2026US 12,704,088 B2M2X Energy Inc.
- Engine7 Jul 2026US 12,674,431 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Housing component for a prechamber component of a combustion engine9 Jun 2026US 12,650,090 B2Innio Jenbacher GmbH & Co OG
- Internal combustion engine12 May 2026US 12,624,669 B2Innio Jenbacher GmbH & Co OG
- Ammonia pre-chamber internal combustion engine17 Sep 2026US 2026/0275900 A1Regents of the University of Minnesota
- Improvements relating to internal combustion engines3 Sep 2026US 2026/0258758 A1Commonwealth Scientific and Industrial Research Organisation
- Prechamber Ignition Means for an Internal Combustion Engine and Engine Having Same20 Aug 2026US 2026/0243191 A1Bayerische Motoren Werke Aktiengesellschaft
- Gas valve for an internal combustion engine23 Jul 2026US 2026/0210284 A1
- Passive prechamber fueling device and method23 Jul 2026US 2026/0210285 A1Aramco Services Company
Most cited
By later US patents
- Internal combustion engine with auxiliary combustion chamber1,410US 4,106,446 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1978
- Plasma jet ignition engine and method122US 4,203,393 AFord Motor Company · 1980
- Catalytic-compression timed ignition77US 5,109,817 AAltronic, Inc. · 1992
- Combustion control system for internal combustion engines67US 4,736,718 A1988
- Fuel combustion system, method, and nozzle member therefor65US 5,024,193 ACaterpillar Inc. · 1991