F02B 19/165
The shape or construction of the pre-combustion chambers is specially adapted to
Official title: {The shape or construction of the pre-combustion chambers is specially adapted to be formed, at least in part, of ceramic material (surface coverings of combustion-gas-swept parts F02B77/02; shaped ceramic products characterised by their composition or ceramic compositions C04B35/00; ceramic material for engine casings F02F7/0087)}
F02B19/165 (The shape or construction of the pre-combustion chambers is specially adapted to) appears on 79 US grants and 27 published applications in this corpus.
Search patents in F02B- Granted patents
- 79
- Published applications
- 27
- Assignees
- 36
- Inventors
- 106
- Latest grant
- 10 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 10 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 9 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 3 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 3 | 3 |
| 2022 | 2 | 4 |
| 2023 | 4 | 3 |
| 2024 | 3 | 1 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Internal combustion engine with monolithic pilot chamber structure10 Dec 2024US 12,163,462 B1Pratt & Whitney Canada Corp.
- Internal combustion engine with ceramic pilot chamber component(s)15 Oct 2024US 12,117,173 B1Pratt & Whitney Canada Corp.
- Guide stud valve9 Jan 2024US 11,867,114 B2
- Pre-combustion chamber apparatus and method for pre-combustion19 Dec 2023US 11,846,228 B2
- Passive prechamber spark plug14 Nov 2023US 11,815,005 B2Bayerische Motoren Werke Aktiengesellschaft
- Flowpath Assembly with Composite Tube Array14 May 2026US 2026/0132759 A1General Electric Company
- Member Profile Population2 Oct 2025US 2025/0305444 A1Edatanetworks Inc.
- Internal combustion engine with monolithic pilot chamber structure27 Mar 2025US 2025/0101907 A1Pratt & Whitney Canada Corp.
- Internal combustion engine with ceramic pilot chamber component(s)17 Oct 2024US 2024/0344700 A1Pratt & Whitney Canada Corp.
- Pre-Combustion Chamber Apparatus and Method for Pre-Combustion1 Jun 2023US 2023/0167763 A1
Most cited
By later US patents
- Thermal ignition combustion system37US 4,738,227 AAdiabatics, Inc. · 1988
- Engine with pre-chamber34US 5,454,356 AIsuzu Ceramics Research Institute Co., Ltd. · 1995
- Prevaporizing diesel precombustion chamber32US 4,300,497 ARockwell International Corporation · 1981
- Combustion control via homogeneous combustion radical ignition (HCRI) or partial HCRI in cyclic IC engines30US 7,832,372 B2HCRI Technologies International, LLC · 2010
- Precombustion chamber construction of internal combustion engine22US 4,616,611 AMazda Motor Corporation · 1986