F02F 2001/241
Specially adapted to pent roof shape of the combustion chamber
Official title: {specially adapted to pent roof shape of the combustion chamber}
F02F2001/241 (Specially adapted to pent roof shape of the combustion chamber) appears on 102 US grants and 25 published applications in this corpus.
Search patents in F02F- Granted patents
- 102
- Published applications
- 25
- Assignees
- 33
- Inventors
- 218
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 12 | 0 |
| 1999 | 12 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 1 |
| 2002 | 6 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 1 |
| 2020 | 0 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Method of controlling engine, and engine system2 Jan 2024US 11,859,574 B2Mazda Motor Corporation
- Engine with combustion chamber11 Apr 2023US 11,624,313 B2Mazda Motor Corporation
- Combustion chamber structure for internal combustion engine31 May 2022US 11,346,276 B2Nissan Motor Co., Ltd.
- Internal combustion engine21 Sep 2021US 11,125,181 B2Bayerische Motoren Werke Aktiengesellschaft
- Internal Combustion Engine with Spark Plug and Prechamber Spark Plug11 Jul 2024US 2024/0229734 A9Robert Bosch GmbH
- A piston for a lean-burn gasoline engine23 May 2024US 2024/0167431 A1Jaguar Land Rover Limited
- Internal Combustion Engine with Spark Plug and Prechamber Spark Plug25 Apr 2024US 2024/0133350 A1Robert Bosch GmbH
- Engine with combustion chamber26 May 2022US 2022/0162982 A1Mazda Motor Corporation
- Method of controlling engine, and engine system12 May 2022US 2022/0145824 A1Mazda Motor Corporation
Most cited
By later US patents
- Method and apparatus for improved operation of internal combustion engines115US 5,343,699 A1994
- Method and apparatus for improved combustion engine68US 5,394,852 A1995
- Direct injection gasoline engine with stratified charge combustion and homogeneous charge combustion60US 6,092,501 ANissan Motor Co., Ltd. · 2000
- Apparatus for and method of controlling internal combustion engine56US 5,666,916 AHitachi, Ltd. · 1997
- Direct injection gasoline engine with stratified charge combustion and homogeneous charge combustion52US 6,253,728 B1Nissan Motor Co., Ltd. · 2001