F02B 27/0247
Plenum chambers
Official title: {Plenum chambers; Resonance chambers or resonance pipes}
F02B27/0247 (Plenum chambers) appears on 317 US grants and 139 published applications in this corpus.
Search patents in F02B- Granted patents
- 317
- Published applications
- 139
- Assignees
- 95
- Inventors
- 592
- Latest grant
- 14 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 8 | 0 |
| 1987 | 10 | 0 |
| 1988 | 16 | 0 |
| 1989 | 17 | 0 |
| 1990 | 15 | 0 |
| 1991 | 21 | 0 |
| 1992 | 19 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 11 | 5 |
| 2002 | 15 | 11 |
| 2003 | 8 | 17 |
| 2004 | 16 | 10 |
| 2005 | 4 | 13 |
| 2006 | 17 | 15 |
| 2007 | 18 | 9 |
| 2008 | 7 | 14 |
| 2009 | 6 | 13 |
| 2010 | 4 | 6 |
| 2011 | 5 | 4 |
| 2012 | 5 | 2 |
| 2013 | 6 | 1 |
| 2014 | 3 | 2 |
| 2015 | 3 | 5 |
| 2016 | 2 | 1 |
| 2017 | 2 | 3 |
| 2018 | 1 | 0 |
| 2019 | 5 | 0 |
| 2020 | 1 | 5 |
| 2021 | 2 | 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.
Subgroups
Granted patents
Recent patents
- Marine engine intake manifolds having noise attenuation14 Feb 2023US 11,578,687 B1Brunswick Corporation
- Internal combustion engine system27 Dec 2022US 11,536,227 B2Volvo Truck Corporation
- Internal combustion engine system operable in at least two operating modes29 Nov 2022US 11,512,672 B2Volvo Truck Corporation
- Air intake passage structure for multi-cylinder engine29 Jun 2021US 11,047,350 B2Mazda Motor Corporation
- Intake manifold6 Apr 2021US 10,968,875 B2Aisin Seiki Kabushiki Kaisha
- Intake apparatus for internal combustion engine16 Apr 2026US 2026/0104023 A1Toyota Jidosha Kabushiki Kaisha
- Internal combustion engine system operable in at least two operating modes27 Oct 2022US 2022/0341379 A1Volvo Truck Corporation
- Internal combustion engine system27 Oct 2022US 2022/0341380 A1Volvo Truck Corporation
- Air intake passage structure for multi-cylinder engine26 Nov 2020US 2020/0370518 A1Mazda Motor Corporation
- Controlling One or More Intake Manifold Tuning Valves (IMTV) In An Internal Combustion Engine23 Jul 2020US 2020/0232428 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Intake system for internal combustion engine86US 4,763,612 AYamaha Hatsudoki Kabushiki Kaisha · 1988
- Integrated induction system61US 5,003,933 AGeneral Motors Corporation · 1991
- Integrated tuned induction system51US 4,919,086 ASiemens-Bendix Automotive Electronics L.P. · 1990
- Integrated air intake system51US 5,477,819 AFilterwerk Mann & Hummel GmbH · 1995
- Integrated tuned induction system50US 5,005,532 ASiemens-Bendix Automotive Electronics L.P. · 1991