F02B 19/1033
Specially adapted valves
Official title: {specially adapted valves, e.g. rotary valves, pre-combustion chamber being part of a valve}
F02B19/1033 (Specially adapted valves) appears on 19 US grants and 10 published applications in this corpus.
Search patents in F02B- Granted patents
- 19
- Published applications
- 10
- Assignees
- 9
- Inventors
- 29
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 4 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 3 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Prevention of backfiring of a pre-chamber gas valve of a combustion engine1 Jul 2025US 12,345,195 B2Caterpillar Energy Solutions GmbH
- Vented pre-chamber ignitor24 Dec 2024US 12,173,640 B2Ford Global Technologies, LLC
- Conditioning of a pre-chamber gas flow for a combustion engine10 Dec 2024US 12,163,492 B2Caterpillar Energy Solutions GmbH
- Systems and methods for adjustable pre-chamber29 Nov 2022US 11,512,624 B1Ford Global Technologies, LLC
- Systems and methods for adjustable pre-chamber5 Jul 2022US 11,378,002 B1Ford Global Technologies, LLC
- Gas valve for an internal combustion engine23 Jul 2026US 2026/0210284 A1
- Enhanced fuel mixing systems for direct injected natural gas engines, and devices and methods thereof14 Aug 2025US 2025/0257703 A1Radical Combustion Technologies, LLC
- Vented pre-chamber ignitor4 Jul 2024US 2024/0218824 A1Ford Global Technologies, LLC
- Prevention of Backfiring of a Pre-Chamber Gas Valve of a Combustion Engine27 Jun 2024US 2024/0209768 A1Caterpillar Energy Solutions GmbH
- Conditioning of a pre-chamber gas flow for a combustion engine6 Jun 2024US 2024/0183326 A1Caterpillar Energy Solutions GmbH
Most cited
By later US patents
- Stratified charge engine49US 3,948,227 A1976
- Stratified charge engine38US 4,036,184 ADana Corporation · 1977
- Check valve for the pre-combustion chamber of an internal combustion engine29US 5,791,374 A1998
- Jet ignition engine with valve-carried ignition chamber16US 3,987,769 AGeneral Motors Corporation · 1976
- Gas engine15US 4,903,656 AYanmar Deisel Engine Co., Ltd. · 1990