F02B 27/0252
Multiple plenum chambers or plenum chambers having inner separation walls
Official title: {Multiple plenum chambers or plenum chambers having inner separation walls, e.g. comprising valves for the same group of cylinders}
F02B27/0252 (Multiple plenum chambers or plenum chambers having inner separation walls) appears on 187 US grants and 67 published applications in this corpus.
Search patents in F02B- Granted patents
- 187
- Published applications
- 67
- Assignees
- 60
- Inventors
- 356
- Latest grant
- 14 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 14 | 0 |
| 1989 | 11 | 0 |
| 1990 | 11 | 0 |
| 1991 | 18 | 0 |
| 1992 | 15 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 3 |
| 2002 | 6 | 4 |
| 2003 | 2 | 5 |
| 2004 | 10 | 9 |
| 2005 | 2 | 5 |
| 2006 | 8 | 8 |
| 2007 | 7 | 5 |
| 2008 | 5 | 7 |
| 2009 | 3 | 7 |
| 2010 | 2 | 4 |
| 2011 | 0 | 2 |
| 2012 | 4 | 1 |
| 2013 | 4 | 1 |
| 2014 | 2 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Intake system for internal combustion engine86US 4,763,612 AYamaha Hatsudoki Kabushiki Kaisha · 1988
- Integrated air intake system51US 5,477,819 AFilterwerk Mann & Hummel GmbH · 1995
- V-type multiple-cylinder air intake device46US 7,004,137 B2Nissan Motors Co., Ltd. · 2006
- Air intake device42US 7,275,512 B2Siemens Aktiengesellschaft · 2007
- Intake system for V-type internal combustion engine36US 4,957,071 ANissan Motor Co., Ltd. · 1990